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eb39fafa DC |
1 | /** |
2 | * @fileoverview Disallow parenthesesisng higher precedence subexpressions. | |
3 | * @author Michael Ficarra | |
4 | */ | |
5 | ||
6 | "use strict"; | |
7 | ||
8 | //------------------------------------------------------------------------------ | |
9 | // Requirements | |
10 | //------------------------------------------------------------------------------ | |
11 | ||
12 | const rule = require("../../../lib/rules/no-extra-parens"), | |
13 | { RuleTester } = require("../../../lib/rule-tester"); | |
14 | ||
15 | /** | |
16 | * Create error message object for failure cases | |
17 | * @param {string} code source code | |
18 | * @param {string} output fixed source code | |
19 | * @param {string} type node type | |
20 | * @param {int} line line number | |
21 | * @param {Object} config rule configuration | |
22 | * @returns {Object} result object | |
23 | * @private | |
24 | */ | |
25 | function invalid(code, output, type, line, config) { | |
26 | const result = { | |
27 | code, | |
28 | output, | |
29 | parserOptions: config && config.parserOptions || {}, | |
30 | errors: [ | |
31 | { | |
32 | messageId: "unexpected", | |
33 | type | |
34 | } | |
35 | ], | |
36 | options: config && config.options || [] | |
37 | }; | |
38 | ||
39 | if (line) { | |
40 | result.errors[0].line = line; | |
41 | } | |
42 | return result; | |
43 | } | |
44 | ||
45 | const ruleTester = new RuleTester({ | |
46 | parserOptions: { | |
6f036462 | 47 | ecmaVersion: 2021, |
eb39fafa DC |
48 | ecmaFeatures: { |
49 | jsx: true | |
50 | } | |
51 | } | |
52 | }); | |
53 | ||
54 | ruleTester.run("no-extra-parens", rule, { | |
55 | valid: [ | |
56 | ||
57 | // all precedence boundaries | |
58 | "foo", | |
59 | "a = b, c = d", | |
60 | "a = b ? c : d", | |
61 | "a = (b, c)", | |
62 | "a || b ? c = d : e = f", | |
63 | "(a = b) ? (c, d) : (e, f)", | |
64 | "a && b || c && d", | |
65 | "(a ? b : c) || (d ? e : f)", | |
66 | "a | b && c | d", | |
67 | "(a || b) && (c || d)", | |
68 | "a ^ b | c ^ d", | |
69 | "(a && b) | (c && d)", | |
70 | "a & b ^ c & d", | |
71 | "(a | b) ^ (c | d)", | |
72 | "a == b & c != d", | |
73 | "(a ^ b) & (c ^ d)", | |
74 | "a < b === c in d", | |
75 | "(a & b) !== (c & d)", | |
76 | "a << b >= c >>> d", | |
77 | "(a == b) instanceof (c != d)", | |
78 | "a + b << c - d", | |
79 | "(a <= b) >> (c > d)", | |
80 | "a * b + c / d", | |
81 | "(a << b) - (c >> d)", | |
82 | "+a % !b", | |
83 | "(a + b) * (c - d)", | |
84 | "-void+delete~typeof!a", | |
85 | "!(a * b); typeof (a / b); +(a % b); delete (a * b); ~(a / b); void (a % b); -(a * b)", | |
86 | "a(b = c, (d, e))", | |
87 | "(++a)(b); (c++)(d);", | |
88 | "new (A())", | |
89 | "new (foo.Baz().foo)", | |
90 | "new (foo.baz.bar().foo.baz)", | |
91 | "new ({}.baz.bar.foo().baz)", | |
92 | "new (doSomething().baz.bar().foo)", | |
93 | "new ([][0].baz.foo().bar.foo)", | |
94 | "new (foo\n.baz\n.bar()\n.foo.baz)", | |
95 | "new A()()", | |
96 | "(new A)()", | |
97 | "(new (Foo || Bar))()", | |
98 | "(new new foo())()", | |
456be15e TL |
99 | "new (new A)()", |
100 | "new (new a.b)()", | |
eb39fafa DC |
101 | "new (new new foo())(bar)", |
102 | "(new foo).bar", | |
103 | "(new foo)[bar]", | |
104 | "(new foo).bar.baz", | |
105 | "(new foo.bar).baz", | |
106 | "(new foo).bar()", | |
107 | "(new foo.bar).baz()", | |
108 | "new (new foo).bar", | |
109 | "new (new foo.bar).baz", | |
110 | "(new new foo()).baz", | |
111 | "(2 + 3) ** 4", | |
112 | "2 ** (2 + 3)", | |
113 | "new (import(source))", | |
114 | "import((s,t))", | |
115 | ||
116 | // same precedence | |
117 | "a, b, c", | |
118 | "a = b = c", | |
119 | "a ? b ? c : d : e", | |
120 | "a ? b : c ? d : e", | |
121 | "a || b || c", | |
122 | "a || (b || c)", | |
123 | "a && b && c", | |
124 | "a && (b && c)", | |
125 | "a | b | c", | |
126 | "a | (b | c)", | |
127 | "a ^ b ^ c", | |
128 | "a ^ (b ^ c)", | |
129 | "a & b & c", | |
130 | "a & (b & c)", | |
131 | "a == b == c", | |
132 | "a == (b == c)", | |
133 | "a < b < c", | |
134 | "a < (b < c)", | |
135 | "a << b << c", | |
136 | "a << (b << c)", | |
137 | "a + b + c", | |
138 | "a + (b + c)", | |
139 | "a * b * c", | |
140 | "a * (b * c)", | |
141 | "!!a; typeof +b; void -c; ~delete d;", | |
142 | "a(b)", | |
143 | "a(b)(c)", | |
144 | "a((b, c))", | |
145 | "new new A", | |
146 | "2 ** 3 ** 4", | |
147 | "(2 ** 3) ** 4", | |
148 | ||
149 | // constructs that contain expressions | |
150 | "if(a);", | |
151 | "with(a){}", | |
152 | "switch(a){ case 0: break; }", | |
153 | "function a(){ return b; }", | |
154 | "var a = () => { return b; }", | |
155 | "throw a;", | |
156 | "while(a);", | |
157 | "do; while(a);", | |
158 | "for(;;);", | |
159 | "for(a in b);", | |
160 | "for(a in b, c);", | |
161 | "for(a of b);", | |
162 | "for (a of (b, c));", | |
163 | "var a = (b, c);", | |
164 | "[]", | |
165 | "[a, b]", | |
166 | "!{a}", | |
167 | "!{a: 0, b: 1}", | |
168 | "!{[a]:0}", | |
169 | "!{[(a, b)]:0}", | |
170 | "!{a, ...b}", | |
171 | "const {a} = {}", | |
172 | "const {a:b} = {}", | |
173 | "const {a:b=1} = {}", | |
174 | "const {[a]:b} = {}", | |
175 | "const {[a]:b=1} = {}", | |
176 | "const {[(a, b)]:c} = {}", | |
177 | "const {a, ...b} = {}", | |
178 | "class foo {}", | |
179 | "class foo { constructor(){} a(){} get b(){} set b(bar){} get c(){} set d(baz){} static e(){} }", | |
180 | "class foo { [a](){} get [b](){} set [b](bar){} get [c](){} set [d](baz){} static [e](){} }", | |
181 | "class foo { [(a,b)](){} }", | |
182 | "class foo { a(){} [b](){} c(){} [(d,e)](){} }", | |
183 | "class foo { [(a,b)](){} c(){} [d](){} e(){} }", | |
184 | "const foo = class { constructor(){} a(){} get b(){} set b(bar){} get c(){} set d(baz){} static e(){} }", | |
185 | ||
186 | // ExpressionStatement restricted productions | |
187 | "({});", | |
188 | "(function(){});", | |
189 | "(let[a] = b);", | |
190 | "(function*(){});", | |
191 | "(class{});", | |
192 | ||
193 | // special cases | |
194 | "(0).a", | |
6f036462 TL |
195 | "(123).a", |
196 | "(08).a", | |
197 | "(09).a", | |
198 | "(018).a", | |
199 | "(012934).a", | |
200 | "(5_000).a", | |
201 | "(5_000_00).a", | |
eb39fafa DC |
202 | "(function(){ }())", |
203 | "({a: function(){}}.a());", | |
204 | "({a:0}.a ? b : c)", | |
205 | ||
206 | // RegExp literal is allowed to have parens (#1589) | |
207 | "var isA = (/^a$/).test('a');", | |
208 | "var regex = (/^a$/);", | |
209 | "function a(){ return (/^a$/); }", | |
210 | "function a(){ return (/^a$/).test('a'); }", | |
211 | "var isA = ((/^a$/)).test('a');", | |
212 | ||
213 | // IIFE is allowed to have parens in any position (#655) | |
214 | "var foo = (function() { return bar(); }())", | |
215 | "var o = { foo: (function() { return bar(); }()) };", | |
216 | "o.foo = (function(){ return bar(); }());", | |
217 | "(function(){ return bar(); }()), (function(){ return bar(); }())", | |
218 | ||
219 | // IIFE is allowed to have outer parens (#1004) | |
220 | "var foo = (function() { return bar(); })()", | |
221 | "var o = { foo: (function() { return bar(); })() };", | |
222 | "o.foo = (function(){ return bar(); })();", | |
223 | "(function(){ return bar(); })(), (function(){ return bar(); })()", | |
224 | "function foo() { return (function(){}()); }", | |
225 | ||
226 | // parens are required around yield | |
227 | "var foo = (function*() { if ((yield foo()) + 1) { return; } }())", | |
228 | ||
229 | // arrow functions have the precedence of an assignment expression | |
230 | "(() => 0)()", | |
231 | "(_ => 0)()", | |
232 | "_ => 0, _ => 1", | |
233 | "a = () => b = 0", | |
234 | "0 ? _ => 0 : _ => 0", | |
235 | "(_ => 0) || (_ => 0)", | |
236 | ||
237 | // Object literals as arrow function bodies need parentheses | |
238 | "x => ({foo: 1})", | |
239 | ||
240 | ||
241 | // Exponentiation operator `**` | |
242 | "1 + 2 ** 3", | |
243 | "1 - 2 ** 3", | |
244 | "2 ** -3", | |
245 | "(-2) ** 3", | |
246 | "(+2) ** 3", | |
247 | "+ (2 ** 3)", | |
248 | ||
249 | // https://github.com/eslint/eslint/issues/5789 | |
250 | "a => ({b: c}[d])", | |
251 | "a => ({b: c}.d())", | |
252 | "a => ({b: c}.d.e)", | |
253 | ||
254 | // "functions" enables reports for function nodes only | |
255 | { code: "(0)", options: ["functions"] }, | |
256 | { code: "((0))", options: ["functions"] }, | |
257 | { code: "a + (b * c)", options: ["functions"] }, | |
258 | { code: "a + ((b * c))", options: ["functions"] }, | |
259 | { code: "(a)(b)", options: ["functions"] }, | |
260 | { code: "((a))(b)", options: ["functions"] }, | |
261 | { code: "a, (b = c)", options: ["functions"] }, | |
262 | { code: "a, ((b = c))", options: ["functions"] }, | |
263 | { code: "for(a in (0));", options: ["functions"] }, | |
264 | { code: "for(a in ((0)));", options: ["functions"] }, | |
265 | { code: "var a = (b = c)", options: ["functions"] }, | |
266 | { code: "var a = ((b = c))", options: ["functions"] }, | |
267 | { code: "_ => (a = 0)", options: ["functions"] }, | |
268 | { code: "_ => ((a = 0))", options: ["functions"] }, | |
269 | ||
270 | // ["all", { conditionalAssign: false }] enables extra parens around conditional assignments | |
271 | { code: "while ((foo = bar())) {}", options: ["all", { conditionalAssign: false }] }, | |
272 | { code: "if ((foo = bar())) {}", options: ["all", { conditionalAssign: false }] }, | |
273 | { code: "do; while ((foo = bar()))", options: ["all", { conditionalAssign: false }] }, | |
274 | { code: "for (;(a = b););", options: ["all", { conditionalAssign: false }] }, | |
275 | { code: "var a = ((b = c)) ? foo : bar;", options: ["all", { conditionalAssign: false }] }, | |
276 | { code: "while (((foo = bar()))) {}", options: ["all", { conditionalAssign: false }] }, | |
277 | { code: "var a = (((b = c))) ? foo : bar;", options: ["all", { conditionalAssign: false }] }, | |
278 | ||
279 | // ["all", { nestedBinaryExpressions: false }] enables extra parens around conditional assignments | |
280 | { code: "a + (b * c)", options: ["all", { nestedBinaryExpressions: false }] }, | |
281 | { code: "(a * b) + c", options: ["all", { nestedBinaryExpressions: false }] }, | |
282 | { code: "(a * b) / c", options: ["all", { nestedBinaryExpressions: false }] }, | |
283 | { code: "a || (b && c)", options: ["all", { nestedBinaryExpressions: false }] }, | |
284 | { code: "a + ((b * c))", options: ["all", { nestedBinaryExpressions: false }] }, | |
285 | { code: "((a * b)) + c", options: ["all", { nestedBinaryExpressions: false }] }, | |
286 | { code: "((a * b)) / c", options: ["all", { nestedBinaryExpressions: false }] }, | |
287 | { code: "a || ((b && c))", options: ["all", { nestedBinaryExpressions: false }] }, | |
288 | ||
289 | // ["all", { returnAssign: false }] enables extra parens around expressions returned by return statements | |
290 | { code: "function a(b) { return b || c; }", options: ["all", { returnAssign: false }] }, | |
291 | { code: "function a(b) { return; }", options: ["all", { returnAssign: false }] }, | |
292 | { code: "function a(b) { return (b = 1); }", options: ["all", { returnAssign: false }] }, | |
293 | { code: "function a(b) { return (b = c) || (b = d); }", options: ["all", { returnAssign: false }] }, | |
294 | { code: "function a(b) { return c ? (d = b) : (e = b); }", options: ["all", { returnAssign: false }] }, | |
295 | { code: "b => b || c;", options: ["all", { returnAssign: false }] }, | |
296 | { code: "b => (b = 1);", options: ["all", { returnAssign: false }] }, | |
297 | { code: "b => (b = c) || (b = d);", options: ["all", { returnAssign: false }] }, | |
298 | { code: "b => c ? (d = b) : (e = b);", options: ["all", { returnAssign: false }] }, | |
299 | { code: "b => { return b || c };", options: ["all", { returnAssign: false }] }, | |
300 | { code: "b => { return (b = 1) };", options: ["all", { returnAssign: false }] }, | |
301 | { code: "b => { return (b = c) || (b = d) };", options: ["all", { returnAssign: false }] }, | |
302 | { code: "b => { return c ? (d = b) : (e = b) };", options: ["all", { returnAssign: false }] }, | |
303 | { code: "function a(b) { return ((b = 1)); }", options: ["all", { returnAssign: false }] }, | |
304 | { code: "b => ((b = 1));", options: ["all", { returnAssign: false }] }, | |
305 | ||
306 | // https://github.com/eslint/eslint/issues/3653 | |
307 | "(function(){}).foo(), 1, 2;", | |
308 | "(function(){}).foo++;", | |
309 | "(function(){}).foo() || bar;", | |
310 | "(function(){}).foo() + 1;", | |
311 | "(function(){}).foo() ? bar : baz;", | |
312 | "(function(){}).foo.bar();", | |
313 | "(function(){}.foo());", | |
314 | "(function(){}.foo.bar);", | |
315 | ||
316 | "(class{}).foo(), 1, 2;", | |
317 | "(class{}).foo++;", | |
318 | "(class{}).foo() || bar;", | |
319 | "(class{}).foo() + 1;", | |
320 | "(class{}).foo() ? bar : baz;", | |
321 | "(class{}).foo.bar();", | |
322 | "(class{}.foo());", | |
323 | "(class{}.foo.bar);", | |
324 | ||
325 | // https://github.com/eslint/eslint/issues/4608 | |
326 | "function *a() { yield b; }", | |
327 | "function *a() { yield yield; }", | |
328 | "function *a() { yield b, c; }", | |
329 | "function *a() { yield (b, c); }", | |
330 | "function *a() { yield b + c; }", | |
331 | "function *a() { (yield b) + c; }", | |
332 | ||
333 | // https://github.com/eslint/eslint/issues/4229 | |
334 | [ | |
335 | "function a() {", | |
336 | " return (", | |
337 | " b", | |
338 | " );", | |
339 | "}" | |
340 | ].join("\n"), | |
341 | [ | |
342 | "function a() {", | |
343 | " return (", | |
344 | " <JSX />", | |
345 | " );", | |
346 | "}" | |
347 | ].join("\n"), | |
348 | [ | |
349 | "function a() {", | |
350 | " return (", | |
351 | " <></>", | |
352 | " );", | |
353 | "}" | |
354 | ].join("\n"), | |
355 | [ | |
356 | "throw (", | |
357 | " a", | |
358 | ");" | |
359 | ].join("\n"), | |
360 | [ | |
361 | "function *a() {", | |
362 | " yield (", | |
363 | " b", | |
364 | " );", | |
365 | "}" | |
366 | ].join("\n"), | |
367 | ||
6f036462 TL |
368 | // linebreaks before postfix update operators are not allowed |
369 | "(a\n)++", | |
370 | "(a\n)--", | |
371 | "(a\n\n)++", | |
372 | "(a.b\n)--", | |
373 | "(a\n.b\n)++", | |
374 | "(a[\nb\n]\n)--", | |
375 | "(a[b]\n\n)++", | |
376 | ||
eb39fafa DC |
377 | // async/await |
378 | "async function a() { await (a + b) }", | |
379 | "async function a() { await (a + await b) }", | |
380 | "async function a() { (await a)() }", | |
381 | "async function a() { new (await a) }", | |
456be15e TL |
382 | "async function a() { await (a ** b) }", |
383 | "async function a() { (await a) ** b }", | |
384 | ||
eb39fafa DC |
385 | { code: "(foo instanceof bar) instanceof baz", options: ["all", { nestedBinaryExpressions: false }] }, |
386 | { code: "(foo in bar) in baz", options: ["all", { nestedBinaryExpressions: false }] }, | |
387 | { code: "(foo + bar) + baz", options: ["all", { nestedBinaryExpressions: false }] }, | |
388 | { code: "(foo && bar) && baz", options: ["all", { nestedBinaryExpressions: false }] }, | |
389 | { code: "foo instanceof (bar instanceof baz)", options: ["all", { nestedBinaryExpressions: false }] }, | |
390 | { code: "foo in (bar in baz)", options: ["all", { nestedBinaryExpressions: false }] }, | |
391 | { code: "foo + (bar + baz)", options: ["all", { nestedBinaryExpressions: false }] }, | |
392 | { code: "foo && (bar && baz)", options: ["all", { nestedBinaryExpressions: false }] }, | |
393 | { code: "((foo instanceof bar)) instanceof baz", options: ["all", { nestedBinaryExpressions: false }] }, | |
394 | { code: "((foo in bar)) in baz", options: ["all", { nestedBinaryExpressions: false }] }, | |
395 | ||
396 | // https://github.com/eslint/eslint/issues/9019 | |
397 | "(async function() {});", | |
398 | "(async function () { }());", | |
399 | ||
400 | // ["all", { ignoreJSX: "all" }] | |
401 | { code: "const Component = (<div />)", options: ["all", { ignoreJSX: "all" }] }, | |
402 | { code: "const Component = ((<div />))", options: ["all", { ignoreJSX: "all" }] }, | |
403 | { | |
404 | code: [ | |
405 | "const Component = (<>", | |
406 | " <p />", | |
407 | "</>);" | |
408 | ].join("\n"), | |
409 | options: ["all", { ignoreJSX: "all" }] | |
410 | }, | |
411 | { | |
412 | code: [ | |
413 | "const Component = ((<>", | |
414 | " <p />", | |
415 | "</>));" | |
416 | ].join("\n"), | |
417 | options: ["all", { ignoreJSX: "all" }] | |
418 | }, | |
419 | { | |
420 | code: [ | |
421 | "const Component = (<div>", | |
422 | " <p />", | |
423 | "</div>);" | |
424 | ].join("\n"), | |
425 | options: ["all", { ignoreJSX: "all" }] | |
426 | }, | |
427 | { | |
428 | code: [ | |
429 | "const Component = (", | |
430 | " <div />", | |
431 | ");" | |
432 | ].join("\n"), | |
433 | options: ["all", { ignoreJSX: "all" }] | |
434 | }, | |
435 | { | |
436 | code: [ | |
437 | "const Component =", | |
438 | " (<div />)" | |
439 | ].join("\n"), | |
440 | options: ["all", { ignoreJSX: "all" }] | |
441 | }, | |
442 | ||
443 | // ["all", { ignoreJSX: "single-line" }] | |
444 | { code: "const Component = (<div />);", options: ["all", { ignoreJSX: "single-line" }] }, | |
445 | { code: "const Component = ((<div />));", options: ["all", { ignoreJSX: "single-line" }] }, | |
446 | { | |
447 | code: [ | |
448 | "const Component = (", | |
449 | " <div />", | |
450 | ");" | |
451 | ].join("\n"), | |
452 | options: ["all", { ignoreJSX: "single-line" }] | |
453 | }, | |
454 | { | |
455 | code: [ | |
456 | "const Component =", | |
457 | "(<div />)" | |
458 | ].join("\n"), | |
459 | options: ["all", { ignoreJSX: "single-line" }] | |
460 | }, | |
461 | ||
462 | // ["all", { ignoreJSX: "multi-line" }] | |
463 | { | |
464 | code: [ | |
465 | "const Component = (", | |
466 | "<div>", | |
467 | " <p />", | |
468 | "</div>", | |
469 | ");" | |
470 | ].join("\n"), | |
471 | options: ["all", { ignoreJSX: "multi-line" }] | |
472 | }, | |
473 | { | |
474 | code: [ | |
475 | "const Component = ((", | |
476 | "<div>", | |
477 | " <p />", | |
478 | "</div>", | |
479 | "));" | |
480 | ].join("\n"), | |
481 | options: ["all", { ignoreJSX: "multi-line" }] | |
482 | }, | |
483 | { | |
484 | code: [ | |
485 | "const Component = (<div>", | |
486 | " <p />", | |
487 | "</div>);" | |
488 | ].join("\n"), | |
489 | options: ["all", { ignoreJSX: "multi-line" }] | |
490 | }, | |
491 | { | |
492 | code: [ | |
493 | "const Component =", | |
494 | "(<div>", | |
495 | " <p />", | |
496 | "</div>);" | |
497 | ].join("\n"), | |
498 | options: ["all", { ignoreJSX: "multi-line" }] | |
499 | }, | |
500 | { | |
501 | code: [ | |
502 | "const Component = (<div", | |
503 | " prop={true}", | |
504 | "/>)" | |
505 | ].join("\n"), | |
506 | options: ["all", { ignoreJSX: "multi-line" }] | |
507 | }, | |
508 | ||
509 | // ["all", { enforceForArrowConditionals: false }] | |
510 | { code: "var a = b => 1 ? 2 : 3", options: ["all", { enforceForArrowConditionals: false }] }, | |
511 | { code: "var a = (b) => (1 ? 2 : 3)", options: ["all", { enforceForArrowConditionals: false }] }, | |
512 | { code: "var a = (b) => ((1 ? 2 : 3))", options: ["all", { enforceForArrowConditionals: false }] }, | |
513 | ||
514 | // ["all", { enforceForSequenceExpressions: false }] | |
515 | { code: "(a, b)", options: ["all", { enforceForSequenceExpressions: false }] }, | |
516 | { code: "((a, b))", options: ["all", { enforceForSequenceExpressions: false }] }, | |
517 | { code: "(foo(), bar());", options: ["all", { enforceForSequenceExpressions: false }] }, | |
518 | { code: "((foo(), bar()));", options: ["all", { enforceForSequenceExpressions: false }] }, | |
519 | { code: "if((a, b)){}", options: ["all", { enforceForSequenceExpressions: false }] }, | |
520 | { code: "if(((a, b))){}", options: ["all", { enforceForSequenceExpressions: false }] }, | |
521 | { code: "while ((val = foo(), val < 10));", options: ["all", { enforceForSequenceExpressions: false }] }, | |
522 | ||
523 | // ["all", { enforceForNewInMemberExpressions: false }] | |
524 | { code: "(new foo()).bar", options: ["all", { enforceForNewInMemberExpressions: false }] }, | |
525 | { code: "(new foo())[bar]", options: ["all", { enforceForNewInMemberExpressions: false }] }, | |
526 | { code: "(new foo()).bar()", options: ["all", { enforceForNewInMemberExpressions: false }] }, | |
527 | { code: "(new foo(bar)).baz", options: ["all", { enforceForNewInMemberExpressions: false }] }, | |
528 | { code: "(new foo.bar()).baz", options: ["all", { enforceForNewInMemberExpressions: false }] }, | |
529 | { code: "(new foo.bar()).baz()", options: ["all", { enforceForNewInMemberExpressions: false }] }, | |
530 | { code: "((new foo.bar())).baz()", options: ["all", { enforceForNewInMemberExpressions: false }] }, | |
531 | ||
d3726936 TL |
532 | // ["all", { enforceForFunctionPrototypeMethods: false }] |
533 | { code: "var foo = (function(){}).call()", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
534 | { code: "var foo = (function(){}).apply()", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
535 | { code: "var foo = (function(){}.call())", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
536 | { code: "var foo = (function(){}.apply())", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
537 | { code: "var foo = (function(){}).call(arg)", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
538 | { code: "var foo = (function(){}.apply(arg))", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
539 | { code: "var foo = (function(){}['call']())", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
540 | { code: "var foo = (function(){})[`apply`]()", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
541 | { code: "var foo = ((function(){})).call()", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
542 | { code: "var foo = ((function(){}).apply())", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
543 | { code: "var foo = ((function(){}.call()))", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
544 | { code: "var foo = ((((function(){})).apply()))", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
545 | { code: "foo((function(){}).call().bar)", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
546 | { code: "foo = (function(){}).call()()", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
547 | { code: "foo = (function(){}.call())()", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
548 | { code: "var foo = { bar: (function(){}.call()) }", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
549 | { code: "var foo = { [(function(){}.call())]: bar }", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
550 | { code: "if((function(){}).call()){}", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
551 | { code: "while((function(){}.apply())){}", options: ["all", { enforceForFunctionPrototypeMethods: false }] }, | |
552 | ||
eb39fafa DC |
553 | "let a = [ ...b ]", |
554 | "let a = { ...b }", | |
555 | { | |
556 | code: "let a = { ...b }", | |
557 | parserOptions: { ecmaVersion: 2018 } | |
558 | }, | |
559 | "let a = [ ...(b, c) ]", | |
560 | "let a = { ...(b, c) }", | |
561 | { | |
562 | code: "let a = { ...(b, c) }", | |
563 | parserOptions: { ecmaVersion: 2018 } | |
564 | }, | |
565 | "var [x = (1, foo)] = bar", | |
566 | "class A extends B {}", | |
567 | "const A = class extends B {}", | |
568 | "class A extends (B=C) {}", | |
569 | "const A = class extends (B=C) {}", | |
570 | "class A extends (++foo) {}", | |
571 | "() => ({ foo: 1 })", | |
572 | "() => ({ foo: 1 }).foo", | |
573 | "() => ({ foo: 1 }.foo().bar).baz.qux()", | |
574 | "() => ({ foo: 1 }.foo().bar + baz)", | |
56c4a2cb DC |
575 | { |
576 | code: "export default (a, b)", | |
577 | parserOptions: { sourceType: "module" } | |
578 | }, | |
eb39fafa DC |
579 | { |
580 | code: "export default (function(){}).foo", | |
56c4a2cb | 581 | parserOptions: { sourceType: "module" } |
eb39fafa DC |
582 | }, |
583 | { | |
584 | code: "export default (class{}).foo", | |
56c4a2cb | 585 | parserOptions: { sourceType: "module" } |
eb39fafa DC |
586 | }, |
587 | "({}).hasOwnProperty.call(foo, bar)", | |
588 | "({}) ? foo() : bar()", | |
589 | "({}) + foo", | |
590 | "(function(){}) + foo", | |
591 | "(let)\nfoo", | |
592 | "(let[foo]) = 1", // setting the 'foo' property of the 'let' variable to 1 | |
593 | { | |
594 | code: "((function(){}).foo.bar)();", | |
595 | options: ["functions"] | |
596 | }, | |
597 | { | |
598 | code: "((function(){}).foo)();", | |
599 | options: ["functions"] | |
600 | }, | |
601 | "(let)[foo]", | |
456be15e TL |
602 | |
603 | // ForStatement#init expression cannot start with `let[`. It would be parsed as a `let` declaration with array pattern, or a syntax error. | |
604 | "for ((let[a]);;);", | |
605 | "for ((let)[a];;);", | |
606 | "for ((let[a] = 1);;);", | |
607 | "for ((let[a]) = 1;;);", | |
608 | "for ((let)[a] = 1;;);", | |
609 | "for ((let[a, b] = foo);;);", | |
610 | "for ((let[a].b = 1);;);", | |
611 | "for ((let[a].b) = 1;;);", | |
612 | "for ((let[a]).b = 1;;);", | |
613 | "for ((let)[a].b = 1;;);", | |
614 | "for ((let[a])();;);", | |
615 | "for ((let)[a]();;);", | |
616 | "for ((let[a]) + b;;);", | |
617 | ||
5422a9cc | 618 | // ForInStatement#left expression cannot start with `let[`. It would be parsed as a `let` declaration with array pattern, or a syntax error. |
eb39fafa DC |
619 | "for ((let[foo]) in bar);", |
620 | "for ((let)[foo] in bar);", | |
621 | "for ((let[foo].bar) in baz);", | |
5422a9cc TL |
622 | "for ((let[foo]).bar in baz);", |
623 | "for ((let)[foo].bar in baz);", | |
624 | ||
625 | // ForOfStatement#left expression cannot start with `let`. It's explicitly forbidden by the specification. | |
626 | "for ((let) of foo);", | |
627 | "for ((let).foo of bar);", | |
628 | "for ((let.foo) of bar);", | |
629 | "for ((let[foo]) of bar);", | |
630 | "for ((let)[foo] of bar);", | |
631 | "for ((let.foo.bar) of baz);", | |
632 | "for ((let.foo).bar of baz);", | |
633 | "for ((let).foo.bar of baz);", | |
634 | "for ((let[foo].bar) of baz);", | |
635 | "for ((let[foo]).bar of baz);", | |
636 | "for ((let)[foo].bar of baz);", | |
637 | "for ((let)().foo of bar);", | |
638 | "for ((let()).foo of bar);", | |
639 | "for ((let().foo) of bar);", | |
eb39fafa DC |
640 | |
641 | // https://github.com/eslint/eslint/issues/11706 (also in invalid[]) | |
642 | "for (let a = (b in c); ;);", | |
643 | "for (let a = (b && c in d); ;);", | |
644 | "for (let a = (b in c && d); ;);", | |
645 | "for (let a = (b => b in c); ;);", | |
646 | "for (let a = b => (b in c); ;);", | |
647 | "for (let a = (b in c in d); ;);", | |
648 | "for (let a = (b in c), d = (e in f); ;);", | |
649 | "for (let a = (b => c => b in c); ;);", | |
650 | "for (let a = (b && c && d in e); ;);", | |
651 | "for (let a = b && (c in d); ;);", | |
652 | "for (let a = (b in c) && (d in e); ;);", | |
653 | "for ((a in b); ;);", | |
654 | "for (a = (b in c); ;);", | |
655 | "for ((a in b && c in d && e in f); ;);", | |
656 | "for (let a = [] && (b in c); ;);", | |
657 | "for (let a = (b in [c]); ;);", | |
658 | "for (let a = b => (c in d); ;);", | |
659 | "for (let a = (b in c) ? d : e; ;);", | |
660 | "for (let a = (b in c ? d : e); ;);", | |
661 | "for (let a = b ? c : (d in e); ;);", | |
662 | "for (let a = (b in c), d = () => { for ((e in f);;); for ((g in h);;); }; ;); for((i in j); ;);", | |
663 | ||
664 | // https://github.com/eslint/eslint/issues/11706 regression tests (also in invalid[]) | |
665 | "for (let a = b; a; a); a; a;", | |
666 | "for (a; a; a); a; a;", | |
667 | "for (; a; a); a; a;", | |
d3726936 TL |
668 | "for (let a = (b && c) === d; ;);", |
669 | ||
6f036462 TL |
670 | "new (a()).b.c;", |
671 | "new (a().b).c;", | |
672 | "new (a().b.c);", | |
673 | "new (a().b().d);", | |
674 | "new a().b().d;", | |
675 | "new (a(b()).c)", | |
676 | "new (a.b()).c", | |
677 | ||
d3726936 TL |
678 | // Nullish coalescing |
679 | { code: "var v = (a ?? b) || c", parserOptions: { ecmaVersion: 2020 } }, | |
680 | { code: "var v = a ?? (b || c)", parserOptions: { ecmaVersion: 2020 } }, | |
681 | { code: "var v = (a ?? b) && c", parserOptions: { ecmaVersion: 2020 } }, | |
682 | { code: "var v = a ?? (b && c)", parserOptions: { ecmaVersion: 2020 } }, | |
683 | { code: "var v = (a || b) ?? c", parserOptions: { ecmaVersion: 2020 } }, | |
684 | { code: "var v = a || (b ?? c)", parserOptions: { ecmaVersion: 2020 } }, | |
685 | { code: "var v = (a && b) ?? c", parserOptions: { ecmaVersion: 2020 } }, | |
6f036462 TL |
686 | { code: "var v = a && (b ?? c)", parserOptions: { ecmaVersion: 2020 } }, |
687 | ||
688 | // Optional chaining | |
689 | { code: "var v = (obj?.aaa).bbb", parserOptions: { ecmaVersion: 2020 } }, | |
690 | { code: "var v = (obj?.aaa)()", parserOptions: { ecmaVersion: 2020 } }, | |
691 | { code: "var v = new (obj?.aaa)()", parserOptions: { ecmaVersion: 2020 } }, | |
692 | { code: "var v = new (obj?.aaa)", parserOptions: { ecmaVersion: 2020 } }, | |
693 | { code: "var v = (obj?.aaa)`template`", parserOptions: { ecmaVersion: 2020 } }, | |
694 | { code: "var v = (obj?.()).bbb", parserOptions: { ecmaVersion: 2020 } }, | |
695 | { code: "var v = (obj?.())()", parserOptions: { ecmaVersion: 2020 } }, | |
696 | { code: "var v = new (obj?.())()", parserOptions: { ecmaVersion: 2020 } }, | |
697 | { code: "var v = new (obj?.())", parserOptions: { ecmaVersion: 2020 } }, | |
698 | { code: "var v = (obj?.())`template`", parserOptions: { ecmaVersion: 2020 } }, | |
699 | { code: "(obj?.aaa).bbb = 0", parserOptions: { ecmaVersion: 2020 } }, | |
700 | { code: "var foo = (function(){})?.()", parserOptions: { ecmaVersion: 2020 } }, | |
701 | { code: "var foo = (function(){}?.())", parserOptions: { ecmaVersion: 2020 } }, | |
702 | { | |
703 | code: "var foo = (function(){})?.call()", | |
704 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
705 | parserOptions: { ecmaVersion: 2020 } | |
706 | }, | |
707 | { | |
708 | code: "var foo = (function(){}?.call())", | |
709 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
710 | parserOptions: { ecmaVersion: 2020 } | |
711 | } | |
eb39fafa DC |
712 | ], |
713 | ||
714 | invalid: [ | |
715 | invalid("(0)", "0", "Literal"), | |
716 | invalid("( 0 )", " 0 ", "Literal"), | |
717 | invalid("if((0));", "if(0);", "Literal"), | |
718 | invalid("if(( 0 ));", "if( 0 );", "Literal"), | |
719 | invalid("with((0)){}", "with(0){}", "Literal"), | |
720 | invalid("switch((0)){}", "switch(0){}", "Literal"), | |
721 | invalid("switch(0){ case (1): break; }", "switch(0){ case 1: break; }", "Literal"), | |
722 | invalid("for((0);;);", "for(0;;);", "Literal"), | |
723 | invalid("for(;(0););", "for(;0;);", "Literal"), | |
724 | invalid("for(;;(0));", "for(;;0);", "Literal"), | |
725 | invalid("throw(0)", "throw 0", "Literal"), | |
726 | invalid("while((0));", "while(0);", "Literal"), | |
727 | invalid("do; while((0))", "do; while(0)", "Literal"), | |
728 | invalid("for(a in (0));", "for(a in 0);", "Literal"), | |
729 | invalid("for(a of (0));", "for(a of 0);", "Literal", 1), | |
730 | invalid("const foo = {[(a)]:1}", "const foo = {[a]:1}", "Identifier", 1), | |
731 | invalid("const foo = {[(a=b)]:1}", "const foo = {[a=b]:1}", "AssignmentExpression", 1), | |
732 | invalid("const foo = {*[(Symbol.iterator)]() {}}", "const foo = {*[Symbol.iterator]() {}}", "MemberExpression", 1), | |
733 | invalid("const foo = { get [(a)]() {}}", "const foo = { get [a]() {}}", "Identifier", 1), | |
734 | invalid("const foo = {[(a+b)]:c, d}", "const foo = {[a+b]:c, d}", "BinaryExpression", 1), | |
735 | invalid("const foo = {a, [(b+c)]:d, e}", "const foo = {a, [b+c]:d, e}", "BinaryExpression", 1), | |
736 | invalid("const foo = {[(a+b)]:c, d:e}", "const foo = {[a+b]:c, d:e}", "BinaryExpression", 1), | |
737 | invalid("const foo = {a:b, [(c+d)]:e, f:g}", "const foo = {a:b, [c+d]:e, f:g}", "BinaryExpression", 1), | |
738 | invalid("const foo = {[(a+b)]:c, [d]:e}", "const foo = {[a+b]:c, [d]:e}", "BinaryExpression", 1), | |
739 | invalid("const foo = {[a]:b, [(c+d)]:e, [f]:g}", "const foo = {[a]:b, [c+d]:e, [f]:g}", "BinaryExpression", 1), | |
740 | invalid("const foo = {[(a+b)]:c, [(d,e)]:f}", "const foo = {[a+b]:c, [(d,e)]:f}", "BinaryExpression", 1), | |
741 | invalid("const foo = {[(a,b)]:c, [(d+e)]:f, [(g,h)]:e}", "const foo = {[(a,b)]:c, [d+e]:f, [(g,h)]:e}", "BinaryExpression", 1), | |
742 | invalid("const foo = {a, b:c, [(d+e)]:f, [(g,h)]:i, [j]:k}", "const foo = {a, b:c, [d+e]:f, [(g,h)]:i, [j]:k}", "BinaryExpression", 1), | |
743 | invalid("const foo = {[a+(b*c)]:d}", "const foo = {[a+b*c]:d}", "BinaryExpression", 1), | |
744 | invalid("const foo = {[(a, (b+c))]:d}", "const foo = {[(a, b+c)]:d}", "BinaryExpression", 1), | |
745 | invalid("const {[(a)]:b} = {}", "const {[a]:b} = {}", "Identifier", 1), | |
746 | invalid("const {[(a=b)]:c=1} = {}", "const {[a=b]:c=1} = {}", "AssignmentExpression", 1), | |
747 | invalid("const {[(a+b)]:c, d} = {}", "const {[a+b]:c, d} = {}", "BinaryExpression", 1), | |
748 | invalid("const {a, [(b+c)]:d, e} = {}", "const {a, [b+c]:d, e} = {}", "BinaryExpression", 1), | |
749 | invalid("const {[(a+b)]:c, d:e} = {}", "const {[a+b]:c, d:e} = {}", "BinaryExpression", 1), | |
750 | invalid("const {a:b, [(c+d)]:e, f:g} = {}", "const {a:b, [c+d]:e, f:g} = {}", "BinaryExpression", 1), | |
751 | invalid("const {[(a+b)]:c, [d]:e} = {}", "const {[a+b]:c, [d]:e} = {}", "BinaryExpression", 1), | |
752 | invalid("const {[a]:b, [(c+d)]:e, [f]:g} = {}", "const {[a]:b, [c+d]:e, [f]:g} = {}", "BinaryExpression", 1), | |
753 | invalid("const {[(a+b)]:c, [(d,e)]:f} = {}", "const {[a+b]:c, [(d,e)]:f} = {}", "BinaryExpression", 1), | |
754 | invalid("const {[(a,b)]:c, [(d+e)]:f, [(g,h)]:e} = {}", "const {[(a,b)]:c, [d+e]:f, [(g,h)]:e} = {}", "BinaryExpression", 1), | |
755 | invalid("const {a, b:c, [(d+e)]:f, [(g,h)]:i, [j]:k} = {}", "const {a, b:c, [d+e]:f, [(g,h)]:i, [j]:k} = {}", "BinaryExpression", 1), | |
756 | invalid("const {[a+(b*c)]:d} = {}", "const {[a+b*c]:d} = {}", "BinaryExpression", 1), | |
757 | invalid("const {[(a, (b+c))]:d} = {}", "const {[(a, b+c)]:d} = {}", "BinaryExpression", 1), | |
758 | invalid("class foo { [(a)](){} }", "class foo { [a](){} }", "Identifier"), | |
759 | invalid("class foo {*[(Symbol.iterator)]() {}}", "class foo {*[Symbol.iterator]() {}}", "MemberExpression"), | |
760 | invalid("class foo { get [(a)](){} }", "class foo { get [a](){} }", "Identifier"), | |
761 | invalid("class foo { set [(a)](bar){} }", "class foo { set [a](bar){} }", "Identifier"), | |
762 | invalid("class foo { static [(a)](bar){} }", "class foo { static [a](bar){} }", "Identifier"), | |
763 | invalid("class foo { [(a=b)](){} }", "class foo { [a=b](){} }", "AssignmentExpression"), | |
764 | invalid("class foo { constructor (){} [(a+b)](){} }", "class foo { constructor (){} [a+b](){} }", "BinaryExpression"), | |
765 | invalid("class foo { [(a+b)](){} constructor (){} }", "class foo { [a+b](){} constructor (){} }", "BinaryExpression"), | |
766 | invalid("class foo { [(a+b)](){} c(){} }", "class foo { [a+b](){} c(){} }", "BinaryExpression"), | |
767 | invalid("class foo { a(){} [(b+c)](){} d(){} }", "class foo { a(){} [b+c](){} d(){} }", "BinaryExpression"), | |
768 | invalid("class foo { [(a+b)](){} [c](){} }", "class foo { [a+b](){} [c](){} }", "BinaryExpression"), | |
769 | invalid("class foo { [a](){} [(b+c)](){} [d](){} }", "class foo { [a](){} [b+c](){} [d](){} }", "BinaryExpression"), | |
770 | invalid("class foo { [(a+b)](){} [(c,d)](){} }", "class foo { [a+b](){} [(c,d)](){} }", "BinaryExpression"), | |
771 | invalid("class foo { [(a,b)](){} [(c+d)](){} }", "class foo { [(a,b)](){} [c+d](){} }", "BinaryExpression"), | |
772 | invalid("class foo { [a+(b*c)](){} }", "class foo { [a+b*c](){} }", "BinaryExpression"), | |
773 | invalid("const foo = class { [(a)](){} }", "const foo = class { [a](){} }", "Identifier"), | |
774 | invalid( | |
775 | "var foo = (function*() { if ((yield foo())) { return; } }())", | |
776 | "var foo = (function*() { if (yield foo()) { return; } }())", | |
777 | "YieldExpression", | |
778 | 1 | |
779 | ), | |
780 | invalid("f((0))", "f(0)", "Literal"), | |
781 | invalid("f(0, (1))", "f(0, 1)", "Literal"), | |
782 | invalid("!(0)", "!0", "Literal"), | |
783 | invalid("a[(1)]", "a[1]", "Literal"), | |
784 | invalid("(a)(b)", "a(b)", "Identifier"), | |
785 | invalid("(async)", "async", "Identifier"), | |
786 | invalid("(a, b)", "a, b", "SequenceExpression"), | |
787 | invalid("var a = (b = c);", "var a = b = c;", "AssignmentExpression"), | |
788 | invalid("function f(){ return (a); }", "function f(){ return a; }", "Identifier"), | |
789 | invalid("[a, (b = c)]", "[a, b = c]", "AssignmentExpression"), | |
790 | invalid("!{a: (b = c)}", "!{a: b = c}", "AssignmentExpression"), | |
791 | invalid("typeof(0)", "typeof 0", "Literal"), | |
792 | invalid("typeof (0)", "typeof 0", "Literal"), | |
793 | invalid("typeof([])", "typeof[]", "ArrayExpression"), | |
794 | invalid("typeof ([])", "typeof []", "ArrayExpression"), | |
795 | invalid("typeof( 0)", "typeof 0", "Literal"), | |
796 | invalid("typeof(typeof 5)", "typeof typeof 5", "UnaryExpression"), | |
797 | invalid("typeof (typeof 5)", "typeof typeof 5", "UnaryExpression"), | |
798 | invalid("+(+foo)", "+ +foo", "UnaryExpression"), | |
799 | invalid("-(-foo)", "- -foo", "UnaryExpression"), | |
800 | invalid("+(-foo)", "+-foo", "UnaryExpression"), | |
801 | invalid("-(+foo)", "-+foo", "UnaryExpression"), | |
802 | invalid("-((bar+foo))", "-(bar+foo)", "BinaryExpression"), | |
803 | invalid("+((bar-foo))", "+(bar-foo)", "BinaryExpression"), | |
804 | invalid("++(foo)", "++foo", "Identifier"), | |
805 | invalid("--(foo)", "--foo", "Identifier"), | |
6f036462 TL |
806 | invalid("++\n(foo)", "++\nfoo", "Identifier"), |
807 | invalid("--\n(foo)", "--\nfoo", "Identifier"), | |
808 | invalid("++(\nfoo)", "++\nfoo", "Identifier"), | |
809 | invalid("--(\nfoo)", "--\nfoo", "Identifier"), | |
810 | invalid("(foo)++", "foo++", "Identifier"), | |
811 | invalid("(foo)--", "foo--", "Identifier"), | |
812 | invalid("((foo)\n)++", "(foo\n)++", "Identifier"), | |
813 | invalid("((foo\n))--", "(foo\n)--", "Identifier"), | |
814 | invalid("((foo\n)\n)++", "(foo\n\n)++", "Identifier"), | |
815 | invalid("(a\n.b)--", "a\n.b--", "MemberExpression"), | |
816 | invalid("(a.\nb)++", "a.\nb++", "MemberExpression"), | |
817 | invalid("(a\n[\nb\n])--", "a\n[\nb\n]--", "MemberExpression"), | |
eb39fafa DC |
818 | invalid("(a || b) ? c : d", "a || b ? c : d", "LogicalExpression"), |
819 | invalid("a ? (b = c) : d", "a ? b = c : d", "AssignmentExpression"), | |
820 | invalid("a ? b : (c = d)", "a ? b : c = d", "AssignmentExpression"), | |
821 | invalid("(c = d) ? (b) : c", "(c = d) ? b : c", "Identifier", null, { options: ["all", { conditionalAssign: false }] }), | |
822 | invalid("(c = d) ? b : (c)", "(c = d) ? b : c", "Identifier", null, { options: ["all", { conditionalAssign: false }] }), | |
823 | invalid("f((a = b))", "f(a = b)", "AssignmentExpression"), | |
824 | invalid("a, (b = c)", "a, b = c", "AssignmentExpression"), | |
825 | invalid("a = (b * c)", "a = b * c", "BinaryExpression"), | |
826 | invalid("a + (b * c)", "a + b * c", "BinaryExpression"), | |
827 | invalid("(a * b) + c", "a * b + c", "BinaryExpression"), | |
828 | invalid("(a * b) / c", "a * b / c", "BinaryExpression"), | |
829 | invalid("(2) ** 3 ** 4", "2 ** 3 ** 4", "Literal", null), | |
830 | invalid("2 ** (3 ** 4)", "2 ** 3 ** 4", "BinaryExpression", null), | |
831 | invalid("(2 ** 3)", "2 ** 3", "BinaryExpression", null), | |
832 | invalid("(2 ** 3) + 1", "2 ** 3 + 1", "BinaryExpression", null), | |
833 | invalid("1 - (2 ** 3)", "1 - 2 ** 3", "BinaryExpression", null), | |
834 | invalid("-((2 ** 3))", "-(2 ** 3)", "BinaryExpression", null), | |
835 | invalid("typeof ((a ** b));", "typeof (a ** b);", "BinaryExpression", null), | |
836 | invalid("((-2)) ** 3", "(-2) ** 3", "UnaryExpression", null), | |
837 | ||
838 | invalid("a = (b * c)", "a = b * c", "BinaryExpression", null, { options: ["all", { nestedBinaryExpressions: false }] }), | |
839 | invalid("(b * c)", "b * c", "BinaryExpression", null, { options: ["all", { nestedBinaryExpressions: false }] }), | |
840 | ||
841 | invalid("a = (b = c)", "a = b = c", "AssignmentExpression"), | |
842 | invalid("(a).b", "a.b", "Identifier"), | |
843 | invalid("(0)[a]", "0[a]", "Literal"), | |
844 | invalid("(0.0).a", "0.0.a", "Literal"), | |
6f036462 TL |
845 | invalid("(123.4).a", "123.4.a", "Literal"), |
846 | invalid("(0.0_0).a", "0.0_0.a", "Literal"), | |
eb39fafa | 847 | invalid("(0xBEEF).a", "0xBEEF.a", "Literal"), |
6f036462 | 848 | invalid("(0xBE_EF).a", "0xBE_EF.a", "Literal"), |
eb39fafa DC |
849 | invalid("(1e6).a", "1e6.a", "Literal"), |
850 | invalid("(0123).a", "0123.a", "Literal"), | |
6f036462 TL |
851 | invalid("(08.1).a", "08.1.a", "Literal"), |
852 | invalid("(09.).a", "09..a", "Literal"), | |
eb39fafa DC |
853 | invalid("a[(function() {})]", "a[function() {}]", "FunctionExpression"), |
854 | invalid("new (function(){})", "new function(){}", "FunctionExpression"), | |
855 | invalid("new (\nfunction(){}\n)", "new \nfunction(){}\n", "FunctionExpression", 1), | |
856 | invalid("((function foo() {return 1;}))()", "(function foo() {return 1;})()", "FunctionExpression"), | |
857 | invalid("((function(){ return bar(); })())", "(function(){ return bar(); })()", "CallExpression"), | |
858 | invalid("(foo()).bar", "foo().bar", "CallExpression"), | |
859 | invalid("(foo.bar()).baz", "foo.bar().baz", "CallExpression"), | |
860 | invalid("(foo\n.bar())\n.baz", "foo\n.bar()\n.baz", "CallExpression"), | |
861 | invalid("(new foo()).bar", "new foo().bar", "NewExpression"), | |
862 | invalid("(new foo())[bar]", "new foo()[bar]", "NewExpression"), | |
863 | invalid("(new foo()).bar()", "new foo().bar()", "NewExpression"), | |
864 | invalid("(new foo(bar)).baz", "new foo(bar).baz", "NewExpression"), | |
865 | invalid("(new foo.bar()).baz", "new foo.bar().baz", "NewExpression"), | |
866 | invalid("(new foo.bar()).baz()", "new foo.bar().baz()", "NewExpression"), | |
6f036462 | 867 | invalid("new a[(b()).c]", "new a[b().c]", "CallExpression"), |
eb39fafa DC |
868 | |
869 | invalid("(a)()", "a()", "Identifier"), | |
870 | invalid("(a.b)()", "a.b()", "MemberExpression"), | |
871 | invalid("(a())()", "a()()", "CallExpression"), | |
872 | invalid("(a.b())()", "a.b()()", "CallExpression"), | |
873 | invalid("(a().b)()", "a().b()", "MemberExpression"), | |
874 | invalid("(a().b.c)()", "a().b.c()", "MemberExpression"), | |
875 | invalid("new (A)", "new A", "Identifier"), | |
876 | invalid("(new A())()", "new A()()", "NewExpression"), | |
877 | invalid("(new A(1))()", "new A(1)()", "NewExpression"), | |
878 | invalid("((new A))()", "(new A)()", "NewExpression"), | |
879 | invalid("new (foo\n.baz\n.bar\n.foo.baz)", "new foo\n.baz\n.bar\n.foo.baz", "MemberExpression"), | |
880 | invalid("new (foo.baz.bar.baz)", "new foo.baz.bar.baz", "MemberExpression"), | |
6f036462 TL |
881 | invalid("new ((a.b())).c", "new (a.b()).c", "CallExpression"), |
882 | invalid("new ((a().b)).c", "new (a().b).c", "MemberExpression"), | |
883 | invalid("new ((a().b().d))", "new (a().b().d)", "MemberExpression"), | |
884 | invalid("new ((a())).b.d", "new (a()).b.d", "CallExpression"), | |
885 | invalid("new (a.b).d;", "new a.b.d;", "MemberExpression"), | |
456be15e TL |
886 | invalid("new (new A())();", "new new A()();", "NewExpression"), |
887 | invalid("new (new A());", "new new A();", "NewExpression"), | |
888 | invalid("new (new A);", "new new A;", "NewExpression"), | |
889 | invalid("new (new a.b);", "new new a.b;", "NewExpression"), | |
6f036462 TL |
890 | invalid("(a().b).d;", "a().b.d;", "MemberExpression"), |
891 | invalid("(a.b()).d;", "a.b().d;", "CallExpression"), | |
892 | invalid("(a.b).d;", "a.b.d;", "MemberExpression"), | |
eb39fafa DC |
893 | |
894 | invalid("0, (_ => 0)", "0, _ => 0", "ArrowFunctionExpression", 1), | |
895 | invalid("(_ => 0), 0", "_ => 0, 0", "ArrowFunctionExpression", 1), | |
896 | invalid("a = (_ => 0)", "a = _ => 0", "ArrowFunctionExpression", 1), | |
897 | invalid("_ => (a = 0)", "_ => a = 0", "AssignmentExpression", 1), | |
898 | invalid("x => (({}))", "x => ({})", "ObjectExpression", 1), | |
899 | ||
900 | invalid("new (function(){})", "new function(){}", "FunctionExpression", null, { options: ["functions"] }), | |
901 | invalid("new (\nfunction(){}\n)", "new \nfunction(){}\n", "FunctionExpression", 1, { options: ["functions"] }), | |
902 | invalid("((function foo() {return 1;}))()", "(function foo() {return 1;})()", "FunctionExpression", null, { options: ["functions"] }), | |
903 | invalid("a[(function() {})]", "a[function() {}]", "FunctionExpression", null, { options: ["functions"] }), | |
904 | invalid("0, (_ => 0)", "0, _ => 0", "ArrowFunctionExpression", 1, { options: ["functions"] }), | |
905 | invalid("(_ => 0), 0", "_ => 0, 0", "ArrowFunctionExpression", 1, { options: ["functions"] }), | |
906 | invalid("a = (_ => 0)", "a = _ => 0", "ArrowFunctionExpression", 1, { options: ["functions"] }), | |
907 | ||
908 | ||
909 | invalid("while ((foo = bar())) {}", "while (foo = bar()) {}", "AssignmentExpression"), | |
910 | invalid("while ((foo = bar())) {}", "while (foo = bar()) {}", "AssignmentExpression", 1, { options: ["all", { conditionalAssign: true }] }), | |
911 | invalid("if ((foo = bar())) {}", "if (foo = bar()) {}", "AssignmentExpression"), | |
912 | invalid("do; while ((foo = bar()))", "do; while (foo = bar())", "AssignmentExpression"), | |
913 | invalid("for (;(a = b););", "for (;a = b;);", "AssignmentExpression"), | |
914 | ||
915 | // https://github.com/eslint/eslint/issues/3653 | |
916 | invalid("((function(){})).foo();", "(function(){}).foo();", "FunctionExpression"), | |
917 | invalid("((function(){}).foo());", "(function(){}).foo();", "CallExpression"), | |
918 | invalid("((function(){}).foo);", "(function(){}).foo;", "MemberExpression"), | |
919 | invalid("0, (function(){}).foo();", "0, function(){}.foo();", "FunctionExpression"), | |
920 | invalid("void (function(){}).foo();", "void function(){}.foo();", "FunctionExpression"), | |
921 | invalid("++(function(){}).foo;", "++function(){}.foo;", "FunctionExpression"), | |
922 | invalid("bar || (function(){}).foo();", "bar || function(){}.foo();", "FunctionExpression"), | |
923 | invalid("1 + (function(){}).foo();", "1 + function(){}.foo();", "FunctionExpression"), | |
924 | invalid("bar ? (function(){}).foo() : baz;", "bar ? function(){}.foo() : baz;", "FunctionExpression"), | |
925 | invalid("bar ? baz : (function(){}).foo();", "bar ? baz : function(){}.foo();", "FunctionExpression"), | |
926 | invalid("bar((function(){}).foo(), 0);", "bar(function(){}.foo(), 0);", "FunctionExpression"), | |
927 | invalid("bar[(function(){}).foo()];", "bar[function(){}.foo()];", "FunctionExpression"), | |
928 | invalid("var bar = (function(){}).foo();", "var bar = function(){}.foo();", "FunctionExpression"), | |
929 | ||
930 | invalid("((class{})).foo();", "(class{}).foo();", "ClassExpression", null), | |
931 | invalid("((class{}).foo());", "(class{}).foo();", "CallExpression", null), | |
932 | invalid("((class{}).foo);", "(class{}).foo;", "MemberExpression", null), | |
933 | invalid("0, (class{}).foo();", "0, class{}.foo();", "ClassExpression", null), | |
934 | invalid("void (class{}).foo();", "void class{}.foo();", "ClassExpression", null), | |
935 | invalid("++(class{}).foo;", "++class{}.foo;", "ClassExpression", null), | |
936 | invalid("bar || (class{}).foo();", "bar || class{}.foo();", "ClassExpression", null), | |
937 | invalid("1 + (class{}).foo();", "1 + class{}.foo();", "ClassExpression", null), | |
938 | invalid("bar ? (class{}).foo() : baz;", "bar ? class{}.foo() : baz;", "ClassExpression", null), | |
939 | invalid("bar ? baz : (class{}).foo();", "bar ? baz : class{}.foo();", "ClassExpression", null), | |
940 | invalid("bar((class{}).foo(), 0);", "bar(class{}.foo(), 0);", "ClassExpression", null), | |
941 | invalid("bar[(class{}).foo()];", "bar[class{}.foo()];", "ClassExpression", null), | |
942 | invalid("var bar = (class{}).foo();", "var bar = class{}.foo();", "ClassExpression", null), | |
943 | invalid("var foo = ((bar, baz));", "var foo = (bar, baz);", "SequenceExpression", null), | |
944 | ||
945 | // https://github.com/eslint/eslint/issues/4608 | |
946 | invalid("function *a() { yield (b); }", "function *a() { yield b; }", "Identifier", null), | |
947 | invalid("function *a() { (yield b), c; }", "function *a() { yield b, c; }", "YieldExpression", null), | |
948 | invalid("function *a() { yield ((b, c)); }", "function *a() { yield (b, c); }", "SequenceExpression", null), | |
949 | invalid("function *a() { yield (b + c); }", "function *a() { yield b + c; }", "BinaryExpression", null), | |
950 | ||
951 | // https://github.com/eslint/eslint/issues/4229 | |
952 | invalid([ | |
953 | "function a() {", | |
954 | " return (b);", | |
955 | "}" | |
956 | ].join("\n"), [ | |
957 | "function a() {", | |
958 | " return b;", | |
959 | "}" | |
960 | ].join("\n"), "Identifier"), | |
961 | invalid([ | |
962 | "function a() {", | |
963 | " return", | |
964 | " (b);", | |
965 | "}" | |
966 | ].join("\n"), [ | |
967 | "function a() {", | |
968 | " return", | |
969 | " b;", | |
970 | "}" | |
971 | ].join("\n"), "Identifier"), | |
972 | invalid([ | |
973 | "function a() {", | |
974 | " return ((", | |
975 | " b", | |
976 | " ));", | |
977 | "}" | |
978 | ].join("\n"), [ | |
979 | "function a() {", | |
980 | " return (", | |
981 | " b", | |
982 | " );", | |
983 | "}" | |
984 | ].join("\n"), "Identifier"), | |
985 | invalid([ | |
986 | "function a() {", | |
987 | " return (<JSX />);", | |
988 | "}" | |
989 | ].join("\n"), [ | |
990 | "function a() {", | |
991 | " return <JSX />;", | |
992 | "}" | |
993 | ].join("\n"), "JSXElement", null), | |
994 | invalid([ | |
995 | "function a() {", | |
996 | " return", | |
997 | " (<JSX />);", | |
998 | "}" | |
999 | ].join("\n"), [ | |
1000 | "function a() {", | |
1001 | " return", | |
1002 | " <JSX />;", | |
1003 | "}" | |
1004 | ].join("\n"), "JSXElement", null), | |
1005 | invalid([ | |
1006 | "function a() {", | |
1007 | " return ((", | |
1008 | " <JSX />", | |
1009 | " ));", | |
1010 | "}" | |
1011 | ].join("\n"), [ | |
1012 | "function a() {", | |
1013 | " return (", | |
1014 | " <JSX />", | |
1015 | " );", | |
1016 | "}" | |
1017 | ].join("\n"), "JSXElement", null), | |
1018 | invalid([ | |
1019 | "function a() {", | |
1020 | " return ((", | |
1021 | " <></>", | |
1022 | " ));", | |
1023 | "}" | |
1024 | ].join("\n"), [ | |
1025 | "function a() {", | |
1026 | " return (", | |
1027 | " <></>", | |
1028 | " );", | |
1029 | "}" | |
1030 | ].join("\n"), "JSXFragment", null), | |
1031 | invalid("throw (a);", "throw a;", "Identifier"), | |
1032 | invalid([ | |
1033 | "throw ((", | |
1034 | " a", | |
1035 | "));" | |
1036 | ].join("\n"), [ | |
1037 | "throw (", | |
1038 | " a", | |
1039 | ");" | |
1040 | ].join("\n"), "Identifier"), | |
1041 | invalid([ | |
1042 | "function *a() {", | |
1043 | " yield (b);", | |
1044 | "}" | |
1045 | ].join("\n"), [ | |
1046 | "function *a() {", | |
1047 | " yield b;", | |
1048 | "}" | |
1049 | ].join("\n"), "Identifier", null), | |
1050 | invalid([ | |
1051 | "function *a() {", | |
1052 | " yield", | |
1053 | " (b);", | |
1054 | "}" | |
1055 | ].join("\n"), [ | |
1056 | "function *a() {", | |
1057 | " yield", | |
1058 | " b;", | |
1059 | "}" | |
1060 | ].join("\n"), "Identifier", null), | |
1061 | invalid([ | |
1062 | "function *a() {", | |
1063 | " yield ((", | |
1064 | " b", | |
1065 | " ));", | |
1066 | "}" | |
1067 | ].join("\n"), [ | |
1068 | "function *a() {", | |
1069 | " yield (", | |
1070 | " b", | |
1071 | " );", | |
1072 | "}" | |
1073 | ].join("\n"), "Identifier", null), | |
1074 | ||
1075 | // returnAssign option | |
1076 | { | |
1077 | code: "function a(b) { return (b || c); }", | |
1078 | output: "function a(b) { return b || c; }", | |
1079 | options: ["all", { returnAssign: false }], | |
1080 | errors: [ | |
1081 | { | |
1082 | messageId: "unexpected", | |
1083 | type: "LogicalExpression" | |
1084 | } | |
1085 | ] | |
1086 | }, | |
1087 | { | |
1088 | code: "function a(b) { return ((b = c) || (d = e)); }", | |
1089 | output: "function a(b) { return (b = c) || (d = e); }", | |
1090 | errors: [ | |
1091 | { | |
1092 | messageId: "unexpected", | |
1093 | type: "LogicalExpression" | |
1094 | } | |
1095 | ] | |
1096 | }, | |
1097 | { | |
1098 | code: "function a(b) { return (b = 1); }", | |
1099 | output: "function a(b) { return b = 1; }", | |
1100 | errors: [ | |
1101 | { | |
1102 | messageId: "unexpected", | |
1103 | type: "AssignmentExpression" | |
1104 | } | |
1105 | ] | |
1106 | }, | |
1107 | { | |
1108 | code: "function a(b) { return c ? (d = b) : (e = b); }", | |
1109 | output: "function a(b) { return c ? d = b : e = b; }", | |
1110 | errors: [ | |
1111 | { | |
1112 | messageId: "unexpected", | |
1113 | type: "AssignmentExpression" | |
1114 | }, | |
1115 | { | |
1116 | messageId: "unexpected", | |
1117 | type: "AssignmentExpression" | |
1118 | } | |
1119 | ] | |
1120 | }, | |
1121 | { | |
1122 | code: "b => (b || c);", | |
1123 | output: "b => b || c;", | |
1124 | options: ["all", { returnAssign: false }], | |
1125 | ||
1126 | errors: [ | |
1127 | { | |
1128 | messageId: "unexpected", | |
1129 | type: "LogicalExpression" | |
1130 | } | |
1131 | ] | |
1132 | }, | |
1133 | { | |
1134 | code: "b => ((b = c) || (d = e));", | |
1135 | output: "b => (b = c) || (d = e);", | |
1136 | errors: [ | |
1137 | { | |
1138 | messageId: "unexpected", | |
1139 | type: "LogicalExpression" | |
1140 | } | |
1141 | ] | |
1142 | }, | |
1143 | { | |
1144 | code: "b => (b = 1);", | |
1145 | output: "b => b = 1;", | |
1146 | errors: [ | |
1147 | { | |
1148 | messageId: "unexpected", | |
1149 | type: "AssignmentExpression" | |
1150 | } | |
1151 | ] | |
1152 | }, | |
1153 | { | |
1154 | code: "b => c ? (d = b) : (e = b);", | |
1155 | output: "b => c ? d = b : e = b;", | |
1156 | errors: [ | |
1157 | { | |
1158 | messageId: "unexpected", | |
1159 | type: "AssignmentExpression" | |
1160 | }, | |
1161 | { | |
1162 | messageId: "unexpected", | |
1163 | type: "AssignmentExpression" | |
1164 | } | |
1165 | ] | |
1166 | }, | |
1167 | { | |
1168 | code: "b => { return (b || c); }", | |
1169 | output: "b => { return b || c; }", | |
1170 | options: ["all", { returnAssign: false }], | |
1171 | errors: [ | |
1172 | { | |
1173 | messageId: "unexpected", | |
1174 | type: "LogicalExpression" | |
1175 | } | |
1176 | ] | |
1177 | }, | |
1178 | { | |
1179 | code: "b => { return ((b = c) || (d = e)) };", | |
1180 | output: "b => { return (b = c) || (d = e) };", | |
1181 | errors: [ | |
1182 | { | |
1183 | messageId: "unexpected", | |
1184 | type: "LogicalExpression" | |
1185 | } | |
1186 | ] | |
1187 | }, | |
1188 | { | |
1189 | code: "b => { return (b = 1) };", | |
1190 | output: "b => { return b = 1 };", | |
1191 | errors: [ | |
1192 | { | |
1193 | messageId: "unexpected", | |
1194 | type: "AssignmentExpression" | |
1195 | } | |
1196 | ] | |
1197 | }, | |
1198 | { | |
1199 | code: "b => { return c ? (d = b) : (e = b); }", | |
1200 | output: "b => { return c ? d = b : e = b; }", | |
1201 | errors: [ | |
1202 | { | |
1203 | messageId: "unexpected", | |
1204 | type: "AssignmentExpression" | |
1205 | }, | |
1206 | { | |
1207 | messageId: "unexpected", | |
1208 | type: "AssignmentExpression" | |
1209 | } | |
1210 | ] | |
1211 | }, | |
1212 | ||
1213 | // async/await | |
1214 | { | |
1215 | code: "async function a() { (await a) + (await b); }", | |
1216 | output: "async function a() { await a + await b; }", | |
1217 | errors: [ | |
1218 | { | |
1219 | messageId: "unexpected", | |
1220 | type: "AwaitExpression" | |
1221 | }, | |
1222 | { | |
1223 | messageId: "unexpected", | |
1224 | type: "AwaitExpression" | |
1225 | } | |
1226 | ] | |
1227 | }, | |
1228 | invalid("async function a() { await (a); }", "async function a() { await a; }", "Identifier", null), | |
1229 | invalid("async function a() { await (a()); }", "async function a() { await a(); }", "CallExpression", null), | |
1230 | invalid("async function a() { await (+a); }", "async function a() { await +a; }", "UnaryExpression", null), | |
1231 | invalid("async function a() { +(await a); }", "async function a() { +await a; }", "AwaitExpression", null), | |
1232 | invalid("async function a() { await ((a,b)); }", "async function a() { await (a,b); }", "SequenceExpression", null), | |
456be15e TL |
1233 | invalid("async function a() { a ** (await b); }", "async function a() { a ** await b; }", "AwaitExpression", null), |
1234 | ||
eb39fafa DC |
1235 | invalid("(foo) instanceof bar", "foo instanceof bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }), |
1236 | invalid("(foo) in bar", "foo in bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }), | |
1237 | invalid("(foo) + bar", "foo + bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }), | |
1238 | invalid("(foo) && bar", "foo && bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }), | |
1239 | invalid("foo instanceof (bar)", "foo instanceof bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }), | |
1240 | invalid("foo in (bar)", "foo in bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }), | |
1241 | invalid("foo + (bar)", "foo + bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }), | |
1242 | invalid("foo && (bar)", "foo && bar", "Identifier", 1, { options: ["all", { nestedBinaryExpressions: false }] }), | |
1243 | ||
1244 | // ["all", { ignoreJSX: "multi-line" }] | |
1245 | invalid("const Component = (<div />);", "const Component = <div />;", "JSXElement", 1, { | |
1246 | options: ["all", { ignoreJSX: "multi-line" }] | |
1247 | }), | |
1248 | invalid([ | |
1249 | "const Component = (", | |
1250 | " <div />", | |
1251 | ");" | |
1252 | ].join("\n"), "const Component = \n <div />\n;", "JSXElement", 1, { | |
1253 | options: ["all", { ignoreJSX: "multi-line" }] | |
1254 | }), | |
1255 | invalid([ | |
1256 | "const Component = (", | |
1257 | " <></>", | |
1258 | ");" | |
1259 | ].join("\n"), "const Component = \n <></>\n;", "JSXFragment", 1, { | |
1260 | options: ["all", { ignoreJSX: "multi-line" }] | |
1261 | }), | |
1262 | ||
1263 | // ["all", { ignoreJSX: "single-line" }] | |
1264 | invalid([ | |
1265 | "const Component = (", | |
1266 | "<div>", | |
1267 | " <p />", | |
1268 | "</div>", | |
1269 | ");" | |
1270 | ].join("\n"), "const Component = \n<div>\n <p />\n</div>\n;", "JSXElement", 1, { | |
1271 | options: ["all", { ignoreJSX: "single-line" }] | |
1272 | }), | |
1273 | invalid([ | |
1274 | "const Component = (<div>", | |
1275 | " <p />", | |
1276 | "</div>);" | |
1277 | ].join("\n"), "const Component = <div>\n <p />\n</div>;", "JSXElement", 1, { | |
1278 | options: ["all", { ignoreJSX: "single-line" }] | |
1279 | }), | |
1280 | invalid([ | |
1281 | "const Component = (<div", | |
1282 | " prop={true}", | |
1283 | "/>)" | |
1284 | ].join("\n"), "const Component = <div\n prop={true}\n/>", "JSXElement", 1, { | |
1285 | options: ["all", { ignoreJSX: "single-line" }] | |
1286 | }), | |
1287 | ||
1288 | // ["all", { ignoreJSX: "none" }] default, same as unspecified | |
1289 | invalid("const Component = (<div />);", "const Component = <div />;", "JSXElement", 1, { | |
1290 | options: ["all", { ignoreJSX: "none" }] | |
1291 | }), | |
1292 | invalid([ | |
1293 | "const Component = (<div>", | |
1294 | "<p />", | |
1295 | "</div>)" | |
1296 | ].join("\n"), "const Component = <div>\n<p />\n</div>", "JSXElement", 1, { | |
1297 | options: ["all", { ignoreJSX: "none" }] | |
1298 | }), | |
1299 | ||
1300 | // ["all", { enforceForArrowConditionals: true }] | |
1301 | { | |
1302 | code: "var a = (b) => (1 ? 2 : 3)", | |
1303 | output: "var a = (b) => 1 ? 2 : 3", | |
1304 | options: ["all", { enforceForArrowConditionals: true }], | |
1305 | errors: [ | |
1306 | { | |
1307 | messageId: "unexpected" | |
1308 | } | |
1309 | ] | |
1310 | }, | |
1311 | { | |
1312 | code: "var a = (b) => ((1 ? 2 : 3))", | |
1313 | output: "var a = (b) => (1 ? 2 : 3)", | |
1314 | options: ["all", { enforceForArrowConditionals: true }], | |
1315 | errors: [ | |
1316 | { | |
1317 | messageId: "unexpected" | |
1318 | } | |
1319 | ] | |
1320 | }, | |
1321 | ||
1322 | // ["all", { enforceForSequenceExpressions: true }] | |
1323 | { | |
1324 | code: "(a, b)", | |
1325 | output: "a, b", | |
1326 | options: ["all"], | |
1327 | errors: [ | |
1328 | { | |
1329 | messageId: "unexpected", | |
1330 | type: "SequenceExpression" | |
1331 | } | |
1332 | ] | |
1333 | }, | |
1334 | { | |
1335 | code: "(a, b)", | |
1336 | output: "a, b", | |
1337 | options: ["all", {}], | |
1338 | errors: [ | |
1339 | { | |
1340 | messageId: "unexpected", | |
1341 | type: "SequenceExpression" | |
1342 | } | |
1343 | ] | |
1344 | }, | |
1345 | { | |
1346 | code: "(a, b)", | |
1347 | output: "a, b", | |
1348 | options: ["all", { enforceForSequenceExpressions: true }], | |
1349 | errors: [ | |
1350 | { | |
1351 | messageId: "unexpected", | |
1352 | type: "SequenceExpression" | |
1353 | } | |
1354 | ] | |
1355 | }, | |
1356 | { | |
1357 | code: "(foo(), bar());", | |
1358 | output: "foo(), bar();", | |
1359 | options: ["all", { enforceForSequenceExpressions: true }], | |
1360 | errors: [ | |
1361 | { | |
1362 | messageId: "unexpected", | |
1363 | type: "SequenceExpression" | |
1364 | } | |
1365 | ] | |
1366 | }, | |
1367 | { | |
1368 | code: "if((a, b)){}", | |
1369 | output: "if(a, b){}", | |
1370 | options: ["all", { enforceForSequenceExpressions: true }], | |
1371 | errors: [ | |
1372 | { | |
1373 | messageId: "unexpected", | |
1374 | type: "SequenceExpression" | |
1375 | } | |
1376 | ] | |
1377 | }, | |
1378 | { | |
1379 | code: "while ((val = foo(), val < 10));", | |
1380 | output: "while (val = foo(), val < 10);", | |
1381 | options: ["all", { enforceForSequenceExpressions: true }], | |
1382 | errors: [ | |
1383 | { | |
1384 | messageId: "unexpected", | |
1385 | type: "SequenceExpression" | |
1386 | } | |
1387 | ] | |
1388 | }, | |
1389 | ||
1390 | // ["all", { enforceForNewInMemberExpressions: true }] | |
1391 | { | |
1392 | code: "(new foo()).bar", | |
1393 | output: "new foo().bar", | |
1394 | options: ["all"], | |
1395 | errors: [ | |
1396 | { | |
1397 | messageId: "unexpected", | |
1398 | type: "NewExpression" | |
1399 | } | |
1400 | ] | |
1401 | }, | |
1402 | { | |
1403 | code: "(new foo()).bar", | |
1404 | output: "new foo().bar", | |
1405 | options: ["all", {}], | |
1406 | errors: [ | |
1407 | { | |
1408 | messageId: "unexpected", | |
1409 | type: "NewExpression" | |
1410 | } | |
1411 | ] | |
1412 | }, | |
1413 | { | |
1414 | code: "(new foo()).bar", | |
1415 | output: "new foo().bar", | |
1416 | options: ["all", { enforceForNewInMemberExpressions: true }], | |
1417 | errors: [ | |
1418 | { | |
1419 | messageId: "unexpected", | |
1420 | type: "NewExpression" | |
1421 | } | |
1422 | ] | |
1423 | }, | |
1424 | { | |
1425 | code: "(new foo())[bar]", | |
1426 | output: "new foo()[bar]", | |
1427 | options: ["all", { enforceForNewInMemberExpressions: true }], | |
1428 | errors: [ | |
1429 | { | |
1430 | messageId: "unexpected", | |
1431 | type: "NewExpression" | |
1432 | } | |
1433 | ] | |
1434 | }, | |
1435 | { | |
1436 | code: "(new foo.bar()).baz", | |
1437 | output: "new foo.bar().baz", | |
1438 | options: ["all", { enforceForNewInMemberExpressions: true }], | |
1439 | errors: [ | |
1440 | { | |
1441 | messageId: "unexpected", | |
1442 | type: "NewExpression" | |
1443 | } | |
1444 | ] | |
1445 | }, | |
1446 | ||
d3726936 TL |
1447 | // enforceForFunctionPrototypeMethods |
1448 | { | |
1449 | code: "var foo = (function(){}).call()", | |
1450 | output: "var foo = function(){}.call()", | |
1451 | options: ["all"], | |
1452 | errors: [ | |
1453 | { | |
1454 | messageId: "unexpected", | |
1455 | type: "FunctionExpression" | |
1456 | } | |
1457 | ] | |
1458 | }, | |
1459 | { | |
1460 | code: "var foo = (function(){}.apply())", | |
1461 | output: "var foo = function(){}.apply()", | |
1462 | options: ["all"], | |
1463 | errors: [ | |
1464 | { | |
1465 | messageId: "unexpected", | |
1466 | type: "CallExpression" | |
1467 | } | |
1468 | ] | |
1469 | }, | |
1470 | { | |
1471 | code: "var foo = (function(){}).apply()", | |
1472 | output: "var foo = function(){}.apply()", | |
1473 | options: ["all", {}], | |
1474 | errors: [ | |
1475 | { | |
1476 | messageId: "unexpected", | |
1477 | type: "FunctionExpression" | |
1478 | } | |
1479 | ] | |
1480 | }, | |
1481 | { | |
1482 | code: "var foo = (function(){}.call())", | |
1483 | output: "var foo = function(){}.call()", | |
1484 | options: ["all", {}], | |
1485 | errors: [ | |
1486 | { | |
1487 | messageId: "unexpected", | |
1488 | type: "CallExpression" | |
1489 | } | |
1490 | ] | |
1491 | }, | |
1492 | { | |
1493 | code: "var foo = (function(){}).call()", | |
1494 | output: "var foo = function(){}.call()", | |
1495 | options: ["all", { enforceForFunctionPrototypeMethods: true }], | |
1496 | errors: [ | |
1497 | { | |
1498 | messageId: "unexpected", | |
1499 | type: "FunctionExpression" | |
1500 | } | |
1501 | ] | |
1502 | }, | |
1503 | { | |
1504 | code: "var foo = (function(){}).apply()", | |
1505 | output: "var foo = function(){}.apply()", | |
1506 | options: ["all", { enforceForFunctionPrototypeMethods: true }], | |
1507 | errors: [ | |
1508 | { | |
1509 | messageId: "unexpected", | |
1510 | type: "FunctionExpression" | |
1511 | } | |
1512 | ] | |
1513 | }, | |
1514 | { | |
1515 | code: "var foo = (function(){}.call())", | |
1516 | output: "var foo = function(){}.call()", | |
1517 | options: ["all", { enforceForFunctionPrototypeMethods: true }], | |
1518 | errors: [ | |
1519 | { | |
1520 | messageId: "unexpected", | |
1521 | type: "CallExpression" | |
1522 | } | |
1523 | ] | |
1524 | }, | |
1525 | { | |
1526 | code: "var foo = (function(){}.apply())", | |
1527 | output: "var foo = function(){}.apply()", | |
1528 | options: ["all", { enforceForFunctionPrototypeMethods: true }], | |
1529 | errors: [ | |
1530 | { | |
1531 | messageId: "unexpected", | |
1532 | type: "CallExpression" | |
1533 | } | |
1534 | ] | |
1535 | }, | |
1536 | { | |
1537 | code: "var foo = (function(){}.call)()", // removing these parens does not cause any conflicts with wrap-iife | |
1538 | output: "var foo = function(){}.call()", | |
1539 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1540 | errors: [ | |
1541 | { | |
1542 | messageId: "unexpected", | |
1543 | type: "MemberExpression" | |
1544 | } | |
1545 | ] | |
1546 | }, | |
1547 | { | |
1548 | code: "var foo = (function(){}.apply)()", // removing these parens does not cause any conflicts with wrap-iife | |
1549 | output: "var foo = function(){}.apply()", | |
1550 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1551 | errors: [ | |
1552 | { | |
1553 | messageId: "unexpected", | |
1554 | type: "MemberExpression" | |
1555 | } | |
1556 | ] | |
1557 | }, | |
1558 | { | |
1559 | code: "var foo = (function(){}).call", | |
1560 | output: "var foo = function(){}.call", | |
1561 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1562 | errors: [ | |
1563 | { | |
1564 | messageId: "unexpected", | |
1565 | type: "FunctionExpression" | |
1566 | } | |
1567 | ] | |
1568 | }, | |
1569 | { | |
1570 | code: "var foo = (function(){}.call)", | |
1571 | output: "var foo = function(){}.call", | |
1572 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1573 | errors: [ | |
1574 | { | |
1575 | messageId: "unexpected", | |
1576 | type: "MemberExpression" | |
1577 | } | |
1578 | ] | |
1579 | }, | |
1580 | { | |
1581 | code: "var foo = new (function(){}).call()", | |
1582 | output: "var foo = new function(){}.call()", | |
1583 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1584 | errors: [ | |
1585 | { | |
1586 | messageId: "unexpected", | |
1587 | type: "FunctionExpression" | |
1588 | } | |
1589 | ] | |
1590 | }, | |
1591 | { | |
1592 | code: "var foo = (new function(){}.call())", | |
1593 | output: "var foo = new function(){}.call()", | |
1594 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1595 | errors: [ | |
1596 | { | |
1597 | messageId: "unexpected", | |
1598 | type: "NewExpression" | |
1599 | } | |
1600 | ] | |
1601 | }, | |
1602 | { | |
1603 | code: "var foo = (function(){})[call]()", | |
1604 | output: "var foo = function(){}[call]()", | |
1605 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1606 | errors: [ | |
1607 | { | |
1608 | messageId: "unexpected", | |
1609 | type: "FunctionExpression" | |
1610 | } | |
1611 | ] | |
1612 | }, | |
1613 | { | |
1614 | code: "var foo = (function(){}[apply]())", | |
1615 | output: "var foo = function(){}[apply]()", | |
1616 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1617 | errors: [ | |
1618 | { | |
1619 | messageId: "unexpected", | |
1620 | type: "CallExpression" | |
1621 | } | |
1622 | ] | |
1623 | }, | |
1624 | { | |
1625 | code: "var foo = (function(){}).bar()", | |
1626 | output: "var foo = function(){}.bar()", | |
1627 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1628 | errors: [ | |
1629 | { | |
1630 | messageId: "unexpected", | |
1631 | type: "FunctionExpression" | |
1632 | } | |
1633 | ] | |
1634 | }, | |
1635 | { | |
1636 | code: "var foo = (function(){}.bar())", | |
1637 | output: "var foo = function(){}.bar()", | |
1638 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1639 | errors: [ | |
1640 | { | |
1641 | messageId: "unexpected", | |
1642 | type: "CallExpression" | |
1643 | } | |
1644 | ] | |
1645 | }, | |
1646 | { | |
1647 | code: "var foo = (function(){}).call.call()", | |
1648 | output: "var foo = function(){}.call.call()", | |
1649 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1650 | errors: [ | |
1651 | { | |
1652 | messageId: "unexpected", | |
1653 | type: "FunctionExpression" | |
1654 | } | |
1655 | ] | |
1656 | }, | |
1657 | { | |
1658 | code: "var foo = (function(){}.call.call())", | |
1659 | output: "var foo = function(){}.call.call()", | |
1660 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1661 | errors: [ | |
1662 | { | |
1663 | messageId: "unexpected", | |
1664 | type: "CallExpression" | |
1665 | } | |
1666 | ] | |
1667 | }, | |
1668 | { | |
1669 | code: "var foo = (call())", | |
1670 | output: "var foo = call()", | |
1671 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1672 | errors: [ | |
1673 | { | |
1674 | messageId: "unexpected", | |
1675 | type: "CallExpression" | |
1676 | } | |
1677 | ] | |
1678 | }, | |
1679 | { | |
1680 | code: "var foo = (apply())", | |
1681 | output: "var foo = apply()", | |
1682 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1683 | errors: [ | |
1684 | { | |
1685 | messageId: "unexpected", | |
1686 | type: "CallExpression" | |
1687 | } | |
1688 | ] | |
1689 | }, | |
1690 | { | |
1691 | code: "var foo = (bar).call()", | |
1692 | output: "var foo = bar.call()", | |
1693 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1694 | errors: [ | |
1695 | { | |
1696 | messageId: "unexpected", | |
1697 | type: "Identifier" | |
1698 | } | |
1699 | ] | |
1700 | }, | |
1701 | { | |
1702 | code: "var foo = (bar.call())", | |
1703 | output: "var foo = bar.call()", | |
1704 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1705 | errors: [ | |
1706 | { | |
1707 | messageId: "unexpected", | |
1708 | type: "CallExpression" | |
1709 | } | |
1710 | ] | |
1711 | }, | |
1712 | { | |
1713 | code: "((() => {}).call())", | |
1714 | output: "(() => {}).call()", | |
1715 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1716 | errors: [ | |
1717 | { | |
1718 | messageId: "unexpected", | |
1719 | type: "CallExpression" | |
1720 | } | |
1721 | ] | |
1722 | }, | |
1723 | { | |
1724 | code: "var foo = function(){}.call((a.b))", | |
1725 | output: "var foo = function(){}.call(a.b)", | |
1726 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1727 | errors: [ | |
1728 | { | |
1729 | messageId: "unexpected", | |
1730 | type: "MemberExpression" | |
1731 | } | |
1732 | ] | |
1733 | }, | |
1734 | { | |
1735 | code: "var foo = function(){}.call((a).b)", | |
1736 | output: "var foo = function(){}.call(a.b)", | |
1737 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1738 | errors: [ | |
1739 | { | |
1740 | messageId: "unexpected", | |
1741 | type: "Identifier" | |
1742 | } | |
1743 | ] | |
1744 | }, | |
1745 | { | |
1746 | code: "var foo = function(){}[('call')]()", | |
1747 | output: "var foo = function(){}['call']()", | |
1748 | options: ["all", { enforceForFunctionPrototypeMethods: false }], | |
1749 | errors: [ | |
1750 | { | |
1751 | messageId: "unexpected", | |
1752 | type: "Literal" | |
1753 | } | |
1754 | ] | |
1755 | }, | |
1756 | ||
eb39fafa DC |
1757 | // https://github.com/eslint/eslint/issues/8175 |
1758 | invalid( | |
1759 | "let a = [...(b)]", | |
1760 | "let a = [...b]", | |
1761 | "Identifier", | |
1762 | 1 | |
1763 | ), | |
1764 | invalid( | |
1765 | "let a = {...(b)}", | |
1766 | "let a = {...b}", | |
1767 | "Identifier", | |
1768 | 1 | |
1769 | ), | |
1770 | invalid( | |
1771 | "let a = {...(b)}", | |
1772 | "let a = {...b}", | |
1773 | "Identifier", | |
1774 | 1, | |
1775 | { parserOptions: { ecmaVersion: 2018 } } | |
1776 | ), | |
1777 | invalid( | |
1778 | "let a = [...((b, c))]", | |
1779 | "let a = [...(b, c)]", | |
1780 | "SequenceExpression", | |
1781 | 1 | |
1782 | ), | |
1783 | invalid( | |
1784 | "let a = {...((b, c))}", | |
1785 | "let a = {...(b, c)}", | |
1786 | "SequenceExpression", | |
1787 | 1 | |
1788 | ), | |
1789 | invalid( | |
1790 | "let a = {...((b, c))}", | |
1791 | "let a = {...(b, c)}", | |
1792 | "SequenceExpression", | |
1793 | 1, | |
1794 | { parserOptions: { ecmaVersion: 2018 } } | |
1795 | ), | |
1796 | invalid( | |
1797 | "class A extends (B) {}", | |
1798 | "class A extends B {}", | |
1799 | "Identifier", | |
1800 | 1 | |
1801 | ), | |
1802 | invalid( | |
1803 | "const A = class extends (B) {}", | |
1804 | "const A = class extends B {}", | |
1805 | "Identifier", | |
1806 | 1 | |
1807 | ), | |
1808 | invalid( | |
1809 | "class A extends ((B=C)) {}", | |
1810 | "class A extends (B=C) {}", | |
1811 | "AssignmentExpression", | |
1812 | 1 | |
1813 | ), | |
1814 | invalid( | |
1815 | "const A = class extends ((B=C)) {}", | |
1816 | "const A = class extends (B=C) {}", | |
1817 | "AssignmentExpression", | |
1818 | 1 | |
1819 | ), | |
1820 | invalid( | |
1821 | "class A extends ((++foo)) {}", | |
1822 | "class A extends (++foo) {}", | |
1823 | "UpdateExpression", | |
1824 | 1 | |
1825 | ), | |
56c4a2cb DC |
1826 | invalid( |
1827 | "export default ((a, b))", | |
1828 | "export default (a, b)", | |
1829 | "SequenceExpression", | |
1830 | 1, | |
1831 | { parserOptions: { sourceType: "module" } } | |
1832 | ), | |
1833 | invalid( | |
1834 | "export default (() => {})", | |
1835 | "export default () => {}", | |
1836 | "ArrowFunctionExpression", | |
1837 | 1, | |
1838 | { parserOptions: { sourceType: "module" } } | |
1839 | ), | |
1840 | invalid( | |
1841 | "export default ((a, b) => a + b)", | |
1842 | "export default (a, b) => a + b", | |
1843 | "ArrowFunctionExpression", | |
1844 | 1, | |
1845 | { parserOptions: { sourceType: "module" } } | |
1846 | ), | |
1847 | invalid( | |
1848 | "export default (a => a)", | |
1849 | "export default a => a", | |
1850 | "ArrowFunctionExpression", | |
1851 | 1, | |
1852 | { parserOptions: { sourceType: "module" } } | |
1853 | ), | |
1854 | invalid( | |
1855 | "export default (a = b)", | |
1856 | "export default a = b", | |
1857 | "AssignmentExpression", | |
1858 | 1, | |
1859 | { parserOptions: { sourceType: "module" } } | |
1860 | ), | |
1861 | invalid( | |
1862 | "export default (a ? b : c)", | |
1863 | "export default a ? b : c", | |
1864 | "ConditionalExpression", | |
1865 | 1, | |
1866 | { parserOptions: { sourceType: "module" } } | |
1867 | ), | |
1868 | invalid( | |
1869 | "export default (a)", | |
1870 | "export default a", | |
1871 | "Identifier", | |
1872 | 1, | |
1873 | { parserOptions: { sourceType: "module" } } | |
1874 | ), | |
eb39fafa DC |
1875 | invalid( |
1876 | "for (foo of(bar));", | |
1877 | "for (foo of bar);", | |
1878 | "Identifier", | |
1879 | 1 | |
1880 | ), | |
1881 | invalid( | |
1882 | "for ((foo) of bar);", | |
1883 | "for (foo of bar);", | |
1884 | "Identifier", | |
1885 | 1 | |
1886 | ), | |
5422a9cc TL |
1887 | invalid( |
1888 | "for (foo of (baz = bar));", | |
1889 | "for (foo of baz = bar);", | |
1890 | "AssignmentExpression", | |
1891 | 1 | |
1892 | ), | |
1893 | invalid( | |
1894 | "function* f() { for (foo of (yield bar)); }", | |
1895 | "function* f() { for (foo of yield bar); }", | |
1896 | "YieldExpression", | |
1897 | 1 | |
1898 | ), | |
eb39fafa DC |
1899 | invalid( |
1900 | "for (foo of ((bar, baz)));", | |
1901 | "for (foo of (bar, baz));", | |
1902 | "SequenceExpression", | |
1903 | 1 | |
1904 | ), | |
1905 | invalid( | |
1906 | "for ((foo)in bar);", | |
1907 | "for (foo in bar);", | |
1908 | "Identifier", | |
1909 | 1 | |
1910 | ), | |
1911 | invalid( | |
1912 | "for ((foo['bar'])of baz);", | |
1913 | "for (foo['bar']of baz);", | |
1914 | "MemberExpression", | |
1915 | 1 | |
1916 | ), | |
1917 | invalid( | |
1918 | "() => (({ foo: 1 }).foo)", | |
1919 | "() => ({ foo: 1 }).foo", | |
1920 | "MemberExpression", | |
1921 | 1 | |
1922 | ), | |
1923 | invalid( | |
1924 | "(let).foo", | |
1925 | "let.foo", | |
1926 | "Identifier", | |
1927 | 1 | |
1928 | ), | |
456be15e TL |
1929 | |
1930 | // ForStatement#init expression cannot start with `let[`, but it can start with `let` if it isn't followed by `[` | |
1931 | invalid( | |
1932 | "for ((let);;);", | |
1933 | "for (let;;);", | |
1934 | "Identifier", | |
1935 | 1 | |
1936 | ), | |
1937 | invalid( | |
1938 | "for ((let = 1);;);", | |
1939 | "for (let = 1;;);", | |
1940 | "AssignmentExpression", | |
1941 | 1 | |
1942 | ), | |
1943 | invalid( | |
1944 | "for ((let) = 1;;);", | |
1945 | "for (let = 1;;);", | |
1946 | "Identifier", | |
1947 | 1 | |
1948 | ), | |
1949 | invalid( | |
1950 | "for ((let = []);;);", | |
1951 | "for (let = [];;);", | |
1952 | "AssignmentExpression", | |
1953 | 1 | |
1954 | ), | |
1955 | invalid( | |
1956 | "for ((let) = [];;);", | |
1957 | "for (let = [];;);", | |
1958 | "Identifier", | |
1959 | 1 | |
1960 | ), | |
1961 | invalid( | |
1962 | "for ((let());;);", | |
1963 | "for (let();;);", | |
1964 | "CallExpression", | |
1965 | 1 | |
1966 | ), | |
1967 | invalid( | |
1968 | "for ((let([]));;);", | |
1969 | "for (let([]);;);", | |
1970 | "CallExpression", | |
1971 | 1 | |
1972 | ), | |
1973 | invalid( | |
1974 | "for ((let())[a];;);", | |
1975 | "for (let()[a];;);", | |
1976 | "CallExpression", | |
1977 | 1 | |
1978 | ), | |
1979 | invalid( | |
1980 | "for ((let`[]`);;);", | |
1981 | "for (let`[]`;;);", | |
1982 | "TaggedTemplateExpression", | |
1983 | 1 | |
1984 | ), | |
1985 | invalid( | |
1986 | "for ((let.a);;);", | |
1987 | "for (let.a;;);", | |
1988 | "MemberExpression", | |
1989 | 1 | |
1990 | ), | |
1991 | invalid( | |
1992 | "for ((let).a;;);", | |
1993 | "for (let.a;;);", | |
1994 | "Identifier", | |
1995 | 1 | |
1996 | ), | |
1997 | invalid( | |
1998 | "for ((let).a = 1;;);", | |
1999 | "for (let.a = 1;;);", | |
2000 | "Identifier", | |
2001 | 1 | |
2002 | ), | |
2003 | invalid( | |
2004 | "for ((let).a[b];;);", | |
2005 | "for (let.a[b];;);", | |
2006 | "Identifier", | |
2007 | 1 | |
2008 | ), | |
2009 | invalid( | |
2010 | "for ((let.a)[b];;);", | |
2011 | "for (let.a[b];;);", | |
2012 | "MemberExpression", | |
2013 | 1 | |
2014 | ), | |
2015 | invalid( | |
2016 | "for ((let.a[b]);;);", | |
2017 | "for (let.a[b];;);", | |
2018 | "MemberExpression", | |
2019 | 1 | |
2020 | ), | |
2021 | invalid( | |
2022 | "for ((let);[];);", | |
2023 | "for (let;[];);", | |
2024 | "Identifier", | |
2025 | 1 | |
2026 | ), | |
2027 | invalid( | |
2028 | "for (((let[a]));;);", | |
2029 | "for ((let[a]);;);", | |
2030 | "MemberExpression", | |
2031 | 1 | |
2032 | ), | |
2033 | invalid( | |
2034 | "for (((let))[a];;);", | |
2035 | "for ((let)[a];;);", | |
2036 | "Identifier", | |
2037 | 1 | |
2038 | ), | |
2039 | invalid( | |
2040 | "for (((let[a])).b;;);", | |
2041 | "for ((let[a]).b;;);", | |
2042 | "MemberExpression", | |
2043 | 1 | |
2044 | ), | |
2045 | invalid( | |
2046 | "for (((let))[a].b;;);", | |
2047 | "for ((let)[a].b;;);", | |
2048 | "Identifier", | |
2049 | 1 | |
2050 | ), | |
2051 | invalid( | |
2052 | "for (((let)[a]).b;;);", | |
2053 | "for ((let)[a].b;;);", | |
2054 | "MemberExpression", | |
2055 | 1 | |
2056 | ), | |
2057 | invalid( | |
2058 | "for (((let[a]) = b);;);", | |
2059 | "for ((let[a]) = b;;);", | |
2060 | "AssignmentExpression", | |
2061 | 1 | |
2062 | ), | |
2063 | invalid( | |
2064 | "for (((let)[a]) = b;;);", | |
2065 | "for ((let)[a] = b;;);", | |
2066 | "MemberExpression", | |
2067 | 1 | |
2068 | ), | |
2069 | invalid( | |
2070 | "for (((let)[a] = b);;);", | |
2071 | "for ((let)[a] = b;;);", | |
2072 | "AssignmentExpression", | |
2073 | 1 | |
2074 | ), | |
2075 | invalid( | |
2076 | "for ((Let[a]);;);", | |
2077 | "for (Let[a];;);", | |
2078 | "MemberExpression", | |
2079 | 1 | |
2080 | ), | |
2081 | invalid( | |
2082 | "for ((lett)[a];;);", | |
2083 | "for (lett[a];;);", | |
2084 | "Identifier", | |
2085 | 1 | |
2086 | ), | |
2087 | ||
5422a9cc TL |
2088 | // ForInStatement#left expression cannot start with `let[`, but it can start with `let` if it isn't followed by `[` |
2089 | invalid( | |
2090 | "for ((let) in foo);", | |
2091 | "for (let in foo);", | |
2092 | "Identifier", | |
2093 | 1 | |
2094 | ), | |
2095 | invalid( | |
2096 | "for ((let())[a] in foo);", | |
2097 | "for (let()[a] in foo);", | |
2098 | "CallExpression", | |
2099 | 1 | |
2100 | ), | |
2101 | invalid( | |
2102 | "for ((let.a) in foo);", | |
2103 | "for (let.a in foo);", | |
2104 | "MemberExpression", | |
2105 | 1 | |
2106 | ), | |
2107 | invalid( | |
2108 | "for ((let).a in foo);", | |
2109 | "for (let.a in foo);", | |
2110 | "Identifier", | |
2111 | 1 | |
2112 | ), | |
2113 | invalid( | |
2114 | "for ((let).a.b in foo);", | |
2115 | "for (let.a.b in foo);", | |
2116 | "Identifier", | |
2117 | 1 | |
2118 | ), | |
2119 | invalid( | |
2120 | "for ((let).a[b] in foo);", | |
2121 | "for (let.a[b] in foo);", | |
2122 | "Identifier", | |
2123 | 1 | |
2124 | ), | |
2125 | invalid( | |
2126 | "for ((let.a)[b] in foo);", | |
2127 | "for (let.a[b] in foo);", | |
2128 | "MemberExpression", | |
2129 | 1 | |
2130 | ), | |
2131 | invalid( | |
2132 | "for ((let.a[b]) in foo);", | |
2133 | "for (let.a[b] in foo);", | |
2134 | "MemberExpression", | |
2135 | 1 | |
2136 | ), | |
2137 | invalid( | |
2138 | "for (((let[a])) in foo);", | |
2139 | "for ((let[a]) in foo);", | |
2140 | "MemberExpression", | |
2141 | 1 | |
2142 | ), | |
2143 | invalid( | |
2144 | "for (((let))[a] in foo);", | |
2145 | "for ((let)[a] in foo);", | |
2146 | "Identifier", | |
2147 | 1 | |
2148 | ), | |
2149 | invalid( | |
2150 | "for (((let[a])).b in foo);", | |
2151 | "for ((let[a]).b in foo);", | |
2152 | "MemberExpression", | |
2153 | 1 | |
2154 | ), | |
2155 | invalid( | |
2156 | "for (((let))[a].b in foo);", | |
2157 | "for ((let)[a].b in foo);", | |
2158 | "Identifier", | |
2159 | 1 | |
2160 | ), | |
2161 | invalid( | |
2162 | "for (((let)[a]).b in foo);", | |
2163 | "for ((let)[a].b in foo);", | |
2164 | "MemberExpression", | |
2165 | 1 | |
2166 | ), | |
2167 | invalid( | |
2168 | "for (((let[a]).b) in foo);", | |
2169 | "for ((let[a]).b in foo);", | |
2170 | "MemberExpression", | |
2171 | 1 | |
2172 | ), | |
2173 | invalid( | |
2174 | "for ((Let[a]) in foo);", | |
2175 | "for (Let[a] in foo);", | |
2176 | "MemberExpression", | |
2177 | 1 | |
2178 | ), | |
2179 | invalid( | |
2180 | "for ((lett)[a] in foo);", | |
2181 | "for (lett[a] in foo);", | |
2182 | "Identifier", | |
2183 | 1 | |
2184 | ), | |
2185 | ||
2186 | // ForOfStatement#left expression cannot start with `let` | |
2187 | invalid( | |
2188 | "for (((let)) of foo);", | |
2189 | "for ((let) of foo);", | |
2190 | "Identifier", | |
2191 | 1 | |
2192 | ), | |
eb39fafa | 2193 | invalid( |
5422a9cc TL |
2194 | "for (((let)).a of foo);", |
2195 | "for ((let).a of foo);", | |
2196 | "Identifier", | |
2197 | 1 | |
2198 | ), | |
2199 | invalid( | |
2200 | "for (((let))[a] of foo);", | |
2201 | "for ((let)[a] of foo);", | |
2202 | "Identifier", | |
2203 | 1 | |
2204 | ), | |
2205 | invalid( | |
2206 | "for (((let).a) of foo);", | |
2207 | "for ((let).a of foo);", | |
2208 | "MemberExpression", | |
2209 | 1 | |
2210 | ), | |
2211 | invalid( | |
2212 | "for (((let[a]).b) of foo);", | |
2213 | "for ((let[a]).b of foo);", | |
2214 | "MemberExpression", | |
2215 | 1 | |
2216 | ), | |
2217 | invalid( | |
2218 | "for (((let).a).b of foo);", | |
2219 | "for ((let).a.b of foo);", | |
2220 | "MemberExpression", | |
2221 | 1 | |
2222 | ), | |
2223 | invalid( | |
2224 | "for (((let).a.b) of foo);", | |
2225 | "for ((let).a.b of foo);", | |
eb39fafa DC |
2226 | "MemberExpression", |
2227 | 1 | |
2228 | ), | |
2229 | invalid( | |
5422a9cc TL |
2230 | "for (((let.a).b) of foo);", |
2231 | "for ((let.a).b of foo);", | |
2232 | "MemberExpression", | |
2233 | 1 | |
2234 | ), | |
2235 | invalid( | |
2236 | "for (((let()).a) of foo);", | |
2237 | "for ((let()).a of foo);", | |
2238 | "MemberExpression", | |
2239 | 1 | |
2240 | ), | |
2241 | invalid( | |
2242 | "for ((Let) of foo);", | |
2243 | "for (Let of foo);", | |
2244 | "Identifier", | |
2245 | 1 | |
2246 | ), | |
2247 | invalid( | |
2248 | "for ((lett) of foo);", | |
2249 | "for (lett of foo);", | |
eb39fafa DC |
2250 | "Identifier", |
2251 | 1 | |
2252 | ), | |
5422a9cc | 2253 | |
eb39fafa DC |
2254 | invalid("for (a in (b, c));", "for (a in b, c);", "SequenceExpression", null), |
2255 | invalid( | |
2256 | "(let)", | |
2257 | "let", | |
2258 | "Identifier", | |
2259 | 1 | |
2260 | ), | |
2261 | invalid( | |
2262 | "((let))", | |
2263 | "(let)", | |
2264 | "Identifier", | |
2265 | 1 | |
2266 | ), | |
2267 | invalid("let s = `${(v)}`", "let s = `${v}`", "Identifier"), | |
2268 | invalid("let s = `${(a, b)}`", "let s = `${a, b}`", "SequenceExpression"), | |
2269 | invalid("function foo(a = (b)) {}", "function foo(a = b) {}", "Identifier"), | |
2270 | invalid("const bar = (a = (b)) => a", "const bar = (a = b) => a", "Identifier"), | |
2271 | invalid("const [a = (b)] = []", "const [a = b] = []", "Identifier"), | |
2272 | invalid("const {a = (b)} = {}", "const {a = b} = {}", "Identifier"), | |
2273 | ||
2274 | // LHS of assignments/Assignment targets | |
2275 | invalid("(a) = b", "a = b", "Identifier"), | |
2276 | invalid("(a.b) = c", "a.b = c", "MemberExpression"), | |
2277 | invalid("(a) += b", "a += b", "Identifier"), | |
2278 | invalid("(a.b) >>= c", "a.b >>= c", "MemberExpression"), | |
2279 | invalid("[(a) = b] = []", "[a = b] = []", "Identifier"), | |
2280 | invalid("[(a.b) = c] = []", "[a.b = c] = []", "MemberExpression"), | |
2281 | invalid("({ a: (b) = c } = {})", "({ a: b = c } = {})", "Identifier"), | |
2282 | invalid("({ a: (b.c) = d } = {})", "({ a: b.c = d } = {})", "MemberExpression"), | |
2283 | invalid("[(a)] = []", "[a] = []", "Identifier"), | |
2284 | invalid("[(a.b)] = []", "[a.b] = []", "MemberExpression"), | |
2285 | invalid("[,(a),,] = []", "[,a,,] = []", "Identifier"), | |
2286 | invalid("[...(a)] = []", "[...a] = []", "Identifier"), | |
2287 | invalid("[...(a.b)] = []", "[...a.b] = []", "MemberExpression"), | |
2288 | invalid("({ a: (b) } = {})", "({ a: b } = {})", "Identifier"), | |
2289 | invalid("({ a: (b.c) } = {})", "({ a: b.c } = {})", "MemberExpression"), | |
2290 | ||
2291 | /* | |
2292 | * TODO: Add these tests for RestElement's parenthesized arguments in object patterns when that becomes supported by Espree. | |
2293 | * | |
2294 | * invalid("({ ...(a) } = {})", "({ ...a } = {})", "Identifier"), | |
2295 | * invalid("({ ...(a.b) } = {})", "({ ...a.b } = {})", "MemberExpression") | |
2296 | */ | |
2297 | ||
2298 | // https://github.com/eslint/eslint/issues/11706 (also in valid[]) | |
2299 | { | |
2300 | code: "for ((a = (b in c)); ;);", | |
2301 | output: "for ((a = b in c); ;);", | |
2302 | errors: [ | |
2303 | { | |
2304 | messageId: "unexpected" | |
2305 | } | |
2306 | ] | |
2307 | }, | |
2308 | { | |
2309 | code: "for (let a = ((b in c) && (d in e)); ;);", | |
2310 | output: "for (let a = (b in c && d in e); ;);", | |
2311 | errors: Array(2).fill( | |
2312 | { | |
2313 | messageId: "unexpected" | |
2314 | } | |
2315 | ) | |
2316 | }, | |
2317 | { | |
2318 | code: "for (let a = ((b in c) in d); ;);", | |
2319 | output: "for (let a = (b in c in d); ;);", | |
2320 | errors: [ | |
2321 | { | |
2322 | messageId: "unexpected" | |
2323 | } | |
2324 | ] | |
2325 | }, | |
2326 | { | |
2327 | code: "for (let a = (b && (c in d)), e = (f in g); ;);", | |
2328 | output: "for (let a = (b && c in d), e = (f in g); ;);", | |
2329 | errors: [ | |
2330 | { | |
2331 | messageId: "unexpected" | |
2332 | } | |
2333 | ] | |
2334 | }, | |
2335 | { | |
2336 | code: "for (let a = (b + c), d = (e in f); ;);", | |
2337 | output: "for (let a = b + c, d = (e in f); ;);", | |
2338 | errors: [ | |
2339 | { | |
2340 | messageId: "unexpected" | |
2341 | } | |
2342 | ] | |
2343 | }, | |
2344 | { | |
2345 | code: "for (let a = [(b in c)]; ;);", | |
2346 | output: "for (let a = [b in c]; ;);", | |
2347 | errors: [ | |
2348 | { | |
2349 | messageId: "unexpected" | |
2350 | } | |
2351 | ] | |
2352 | }, | |
2353 | { | |
2354 | code: "for (let a = [b, (c in d)]; ;);", | |
2355 | output: "for (let a = [b, c in d]; ;);", | |
2356 | errors: [ | |
2357 | { | |
2358 | messageId: "unexpected" | |
2359 | } | |
2360 | ] | |
2361 | }, | |
2362 | { | |
2363 | code: "for (let a = ([b in c]); ;);", | |
2364 | output: "for (let a = [b in c]; ;);", | |
2365 | errors: [ | |
2366 | { | |
2367 | messageId: "unexpected" | |
2368 | } | |
2369 | ] | |
2370 | }, | |
2371 | { | |
2372 | code: "for (let a = ([b, c in d]); ;);", | |
2373 | output: "for (let a = [b, c in d]; ;);", | |
2374 | errors: [ | |
2375 | { | |
2376 | messageId: "unexpected" | |
2377 | } | |
2378 | ] | |
2379 | }, | |
2380 | { | |
2381 | code: "for ((a = [b in c]); ;);", | |
2382 | output: "for (a = [b in c]; ;);", | |
2383 | errors: [ | |
2384 | { | |
2385 | messageId: "unexpected" | |
2386 | } | |
2387 | ] | |
2388 | }, | |
2389 | { | |
2390 | code: "for (let a = [b && (c in d)]; ;);", | |
2391 | output: "for (let a = [b && c in d]; ;);", | |
2392 | errors: [ | |
2393 | { | |
2394 | messageId: "unexpected" | |
2395 | } | |
2396 | ] | |
2397 | }, | |
2398 | { | |
2399 | code: "for (let a = [(b && c in d)]; ;);", | |
2400 | output: "for (let a = [b && c in d]; ;);", | |
2401 | errors: [ | |
2402 | { | |
2403 | messageId: "unexpected" | |
2404 | } | |
2405 | ] | |
2406 | }, | |
2407 | { | |
2408 | code: "for (let a = ([b && c in d]); ;);", | |
2409 | output: "for (let a = [b && c in d]; ;);", | |
2410 | errors: [ | |
2411 | { | |
2412 | messageId: "unexpected" | |
2413 | } | |
2414 | ] | |
2415 | }, | |
2416 | { | |
2417 | code: "for ((a = [b && c in d]); ;);", | |
2418 | output: "for (a = [b && c in d]; ;);", | |
2419 | errors: [ | |
2420 | { | |
2421 | messageId: "unexpected" | |
2422 | } | |
2423 | ] | |
2424 | }, | |
2425 | { | |
2426 | code: "for ([(a in b)]; ;);", | |
2427 | output: "for ([a in b]; ;);", | |
2428 | errors: [ | |
2429 | { | |
2430 | messageId: "unexpected" | |
2431 | } | |
2432 | ] | |
2433 | }, | |
2434 | { | |
2435 | code: "for (([a in b]); ;);", | |
2436 | output: "for ([a in b]; ;);", | |
2437 | errors: [ | |
2438 | { | |
2439 | messageId: "unexpected" | |
2440 | } | |
2441 | ] | |
2442 | }, | |
2443 | { | |
2444 | code: "for (let a = [(b in c)], d = (e in f); ;);", | |
2445 | output: "for (let a = [b in c], d = (e in f); ;);", | |
2446 | errors: [ | |
2447 | { | |
2448 | messageId: "unexpected" | |
2449 | } | |
2450 | ] | |
2451 | }, | |
2452 | { | |
2453 | code: "for (let [a = (b in c)] = []; ;);", | |
2454 | output: "for (let [a = b in c] = []; ;);", | |
2455 | errors: [ | |
2456 | { | |
2457 | messageId: "unexpected" | |
2458 | } | |
2459 | ] | |
2460 | }, | |
2461 | { | |
2462 | code: "for (let [a = b && (c in d)] = []; ;);", | |
2463 | output: "for (let [a = b && c in d] = []; ;);", | |
2464 | errors: [ | |
2465 | { | |
2466 | messageId: "unexpected" | |
2467 | } | |
2468 | ] | |
2469 | }, | |
2470 | { | |
2471 | code: "for (let a = () => { (b in c) }; ;);", | |
2472 | output: "for (let a = () => { b in c }; ;);", | |
2473 | errors: [ | |
2474 | { | |
2475 | messageId: "unexpected" | |
2476 | } | |
2477 | ] | |
2478 | }, | |
2479 | { | |
2480 | code: "for (let a = () => { a && (b in c) }; ;);", | |
2481 | output: "for (let a = () => { a && b in c }; ;);", | |
2482 | errors: [ | |
2483 | { | |
2484 | messageId: "unexpected" | |
2485 | } | |
2486 | ] | |
2487 | }, | |
2488 | { | |
2489 | code: "for (let a = function () { (b in c) }; ;);", | |
2490 | output: "for (let a = function () { b in c }; ;);", | |
2491 | errors: [ | |
2492 | { | |
2493 | messageId: "unexpected" | |
2494 | } | |
2495 | ] | |
2496 | }, | |
2497 | { | |
2498 | code: "for (let a = { a: (b in c) }; ;);", | |
2499 | output: "for (let a = { a: b in c }; ;);", | |
2500 | errors: [ | |
2501 | { | |
2502 | messageId: "unexpected" | |
2503 | } | |
2504 | ] | |
2505 | }, | |
2506 | { | |
2507 | code: "for (let a = { a: b && (c in d) }; ;);", | |
2508 | output: "for (let a = { a: b && c in d }; ;);", | |
2509 | errors: [ | |
2510 | { | |
2511 | messageId: "unexpected" | |
2512 | } | |
2513 | ] | |
2514 | }, | |
2515 | { | |
2516 | code: "for (let { a = (b in c) } = {}; ;);", | |
2517 | output: "for (let { a = b in c } = {}; ;);", | |
2518 | errors: [ | |
2519 | { | |
2520 | messageId: "unexpected" | |
2521 | } | |
2522 | ] | |
2523 | }, | |
2524 | { | |
2525 | code: "for (let { a = b && (c in d) } = {}; ;);", | |
2526 | output: "for (let { a = b && c in d } = {}; ;);", | |
2527 | errors: [ | |
2528 | { | |
2529 | messageId: "unexpected" | |
2530 | } | |
2531 | ] | |
2532 | }, | |
2533 | { | |
2534 | code: "for (let { a: { b = c && (d in e) } } = {}; ;);", | |
2535 | output: "for (let { a: { b = c && d in e } } = {}; ;);", | |
2536 | errors: [ | |
2537 | { | |
2538 | messageId: "unexpected" | |
2539 | } | |
2540 | ] | |
2541 | }, | |
2542 | { | |
2543 | code: "for (let a = `${(a in b)}`; ;);", | |
2544 | output: "for (let a = `${a in b}`; ;);", | |
2545 | errors: [ | |
2546 | { | |
2547 | messageId: "unexpected" | |
2548 | } | |
2549 | ] | |
2550 | }, | |
2551 | { | |
2552 | code: "for (let a = `${a && (b in c)}`; ;);", | |
2553 | output: "for (let a = `${a && b in c}`; ;);", | |
2554 | errors: [ | |
2555 | { | |
2556 | messageId: "unexpected" | |
2557 | } | |
2558 | ] | |
2559 | }, | |
2560 | { | |
2561 | code: "for (let a = (b = (c in d)) => {}; ;);", | |
2562 | output: "for (let a = (b = c in d) => {}; ;);", | |
2563 | errors: [ | |
2564 | { | |
2565 | messageId: "unexpected" | |
2566 | } | |
2567 | ] | |
2568 | }, | |
2569 | { | |
2570 | code: "for (let a = (b = c && (d in e)) => {}; ;);", | |
2571 | output: "for (let a = (b = c && d in e) => {}; ;);", | |
2572 | errors: [ | |
2573 | { | |
2574 | messageId: "unexpected" | |
2575 | } | |
2576 | ] | |
2577 | }, | |
2578 | { | |
2579 | code: "for (let a = (b, c = d && (e in f)) => {}; ;);", | |
2580 | output: "for (let a = (b, c = d && e in f) => {}; ;);", | |
2581 | errors: [ | |
2582 | { | |
2583 | messageId: "unexpected" | |
2584 | } | |
2585 | ] | |
2586 | }, | |
2587 | { | |
2588 | code: "for (let a = function (b = c && (d in e)) {}; ;);", | |
2589 | output: "for (let a = function (b = c && d in e) {}; ;);", | |
2590 | errors: [ | |
2591 | { | |
2592 | messageId: "unexpected" | |
2593 | } | |
2594 | ] | |
2595 | }, | |
2596 | { | |
2597 | code: "for (let a = function (b, c = d && (e in f)) {}; ;);", | |
2598 | output: "for (let a = function (b, c = d && e in f) {}; ;);", | |
2599 | errors: [ | |
2600 | { | |
2601 | messageId: "unexpected" | |
2602 | } | |
2603 | ] | |
2604 | }, | |
2605 | { | |
2606 | code: "for (let a = b((c in d)); ;);", | |
2607 | output: "for (let a = b(c in d); ;);", | |
2608 | errors: [ | |
2609 | { | |
2610 | messageId: "unexpected" | |
2611 | } | |
2612 | ] | |
2613 | }, | |
2614 | { | |
2615 | code: "for (let a = b(c, (d in e)); ;);", | |
2616 | output: "for (let a = b(c, d in e); ;);", | |
2617 | errors: [ | |
2618 | { | |
2619 | messageId: "unexpected" | |
2620 | } | |
2621 | ] | |
2622 | }, | |
2623 | { | |
2624 | code: "for (let a = b(c && (d in e)); ;);", | |
2625 | output: "for (let a = b(c && d in e); ;);", | |
2626 | errors: [ | |
2627 | { | |
2628 | messageId: "unexpected" | |
2629 | } | |
2630 | ] | |
2631 | }, | |
2632 | { | |
2633 | code: "for (let a = b(c, d && (e in f)); ;);", | |
2634 | output: "for (let a = b(c, d && e in f); ;);", | |
2635 | errors: [ | |
2636 | { | |
2637 | messageId: "unexpected" | |
2638 | } | |
2639 | ] | |
2640 | }, | |
2641 | { | |
2642 | code: "for (let a = new b((c in d)); ;);", | |
2643 | output: "for (let a = new b(c in d); ;);", | |
2644 | errors: [ | |
2645 | { | |
2646 | messageId: "unexpected" | |
2647 | } | |
2648 | ] | |
2649 | }, | |
2650 | { | |
2651 | code: "for (let a = new b(c, (d in e)); ;);", | |
2652 | output: "for (let a = new b(c, d in e); ;);", | |
2653 | errors: [ | |
2654 | { | |
2655 | messageId: "unexpected" | |
2656 | } | |
2657 | ] | |
2658 | }, | |
2659 | { | |
2660 | code: "for (let a = new b(c && (d in e)); ;);", | |
2661 | output: "for (let a = new b(c && d in e); ;);", | |
2662 | errors: [ | |
2663 | { | |
2664 | messageId: "unexpected" | |
2665 | } | |
2666 | ] | |
2667 | }, | |
2668 | { | |
2669 | code: "for (let a = new b(c, d && (e in f)); ;);", | |
2670 | output: "for (let a = new b(c, d && e in f); ;);", | |
2671 | errors: [ | |
2672 | { | |
2673 | messageId: "unexpected" | |
2674 | } | |
2675 | ] | |
2676 | }, | |
2677 | { | |
2678 | code: "for (let a = b[(c in d)]; ;);", | |
2679 | output: "for (let a = b[c in d]; ;);", | |
2680 | errors: [ | |
2681 | { | |
2682 | messageId: "unexpected" | |
2683 | } | |
2684 | ] | |
2685 | }, | |
2686 | { | |
2687 | code: "for (let a = b[c && (d in e)]; ;);", | |
2688 | output: "for (let a = b[c && d in e]; ;);", | |
2689 | errors: [ | |
2690 | { | |
2691 | messageId: "unexpected" | |
2692 | } | |
2693 | ] | |
2694 | }, | |
2695 | { | |
2696 | code: "for (let a = b ? (c in d) : e; ;);", | |
2697 | output: "for (let a = b ? c in d : e; ;);", | |
2698 | errors: [ | |
2699 | { | |
2700 | messageId: "unexpected" | |
2701 | } | |
2702 | ] | |
2703 | }, | |
2704 | { | |
2705 | code: "for (let a = b ? c && (d in e) : f; ;);", | |
2706 | output: "for (let a = b ? c && d in e : f; ;);", | |
2707 | errors: [ | |
2708 | { | |
2709 | messageId: "unexpected" | |
2710 | } | |
2711 | ] | |
2712 | }, | |
2713 | { | |
2714 | code: "for (a ? b && (c in d) : e; ;);", | |
2715 | output: "for (a ? b && c in d : e; ;);", | |
2716 | errors: [ | |
2717 | { | |
2718 | messageId: "unexpected" | |
2719 | } | |
2720 | ] | |
2721 | }, | |
2722 | { | |
2723 | code: "for (let a = ((b in c)); ;);", | |
2724 | output: "for (let a = (b in c); ;);", | |
2725 | errors: [ | |
2726 | { | |
2727 | messageId: "unexpected" | |
2728 | } | |
2729 | ] | |
2730 | }, | |
2731 | { | |
2732 | code: "for (((a in b)); ;);", | |
2733 | output: "for ((a in b); ;);", | |
2734 | errors: [ | |
2735 | { | |
2736 | messageId: "unexpected" | |
2737 | } | |
2738 | ] | |
2739 | }, | |
2740 | { | |
2741 | code: "for (((a && b in c && d)); ;);", | |
2742 | output: "for ((a && b in c && d); ;);", | |
2743 | errors: [ | |
2744 | { | |
2745 | messageId: "unexpected" | |
2746 | } | |
2747 | ] | |
2748 | }, | |
2749 | { | |
2750 | code: "for (let a = (!(b in c)); ;);", | |
2751 | output: "for (let a = !(b in c); ;);", | |
2752 | errors: [ | |
2753 | { | |
2754 | messageId: "unexpected" | |
2755 | } | |
2756 | ] | |
2757 | }, | |
2758 | { | |
2759 | code: "for (let a = (!(b && c in d)); ;);", | |
2760 | output: "for (let a = !(b && c in d); ;);", | |
2761 | errors: [ | |
2762 | { | |
2763 | messageId: "unexpected" | |
2764 | } | |
2765 | ] | |
2766 | }, | |
2767 | { | |
2768 | code: "for (let a = !((b in c) && (d in e)); ;);", | |
2769 | output: "for (let a = !(b in c && d in e); ;);", | |
2770 | errors: Array(2).fill( | |
2771 | { | |
2772 | messageId: "unexpected" | |
2773 | } | |
2774 | ) | |
2775 | }, | |
2776 | { | |
2777 | code: "for (let a = (x && (b in c)), d = () => { for ((e in f); ;); for ((g in h); ;); }; ;); for((i in j); ;);", | |
2778 | output: "for (let a = (x && b in c), d = () => { for ((e in f); ;); for ((g in h); ;); }; ;); for((i in j); ;);", | |
2779 | errors: [ | |
2780 | { | |
2781 | messageId: "unexpected" | |
2782 | } | |
2783 | ] | |
2784 | }, | |
2785 | { | |
2786 | code: "for (let a = (b in c), d = () => { for ((x && (e in f)); ;); for ((g in h); ;); }; ;); for((i in j); ;);", | |
2787 | output: "for (let a = (b in c), d = () => { for ((x && e in f); ;); for ((g in h); ;); }; ;); for((i in j); ;);", | |
2788 | errors: [ | |
2789 | { | |
2790 | messageId: "unexpected" | |
2791 | } | |
2792 | ] | |
2793 | }, | |
2794 | { | |
2795 | code: "for (let a = (b in c), d = () => { for ((e in f); ;); for ((x && (g in h)); ;); }; ;); for((i in j); ;);", | |
2796 | output: "for (let a = (b in c), d = () => { for ((e in f); ;); for ((x && g in h); ;); }; ;); for((i in j); ;);", | |
2797 | errors: [ | |
2798 | { | |
2799 | messageId: "unexpected" | |
2800 | } | |
2801 | ] | |
2802 | }, | |
2803 | { | |
2804 | code: "for (let a = (b in c), d = () => { for ((e in f); ;); for ((g in h); ;); }; ;); for((x && (i in j)); ;);", | |
2805 | output: "for (let a = (b in c), d = () => { for ((e in f); ;); for ((g in h); ;); }; ;); for((x && i in j); ;);", | |
2806 | errors: [ | |
2807 | { | |
2808 | messageId: "unexpected" | |
2809 | } | |
2810 | ] | |
2811 | }, | |
2812 | { | |
2813 | code: "for (let a = (x && (b in c)), d = () => { for ((e in f); ;); for ((y && (g in h)); ;); }; ;); for((i in j); ;);", | |
2814 | output: "for (let a = (x && b in c), d = () => { for ((e in f); ;); for ((y && g in h); ;); }; ;); for((i in j); ;);", | |
2815 | errors: Array(2).fill( | |
2816 | { | |
2817 | messageId: "unexpected" | |
2818 | } | |
2819 | ) | |
2820 | }, | |
2821 | { | |
2822 | code: "for (let a = (x && (b in c)), d = () => { for ((y && (e in f)); ;); for ((z && (g in h)); ;); }; ;); for((w && (i in j)); ;);", | |
2823 | output: "for (let a = (x && b in c), d = () => { for ((y && e in f); ;); for ((z && g in h); ;); }; ;); for((w && i in j); ;);", | |
2824 | errors: Array(4).fill( | |
2825 | { | |
2826 | messageId: "unexpected" | |
2827 | } | |
2828 | ) | |
2829 | }, | |
2830 | ||
2831 | // https://github.com/eslint/eslint/issues/11706 regression tests (also in valid[]) | |
2832 | { | |
2833 | code: "for (let a = (b); a > (b); a = (b)) a = (b); a = (b);", | |
2834 | output: "for (let a = b; a > b; a = b) a = b; a = b;", | |
2835 | errors: Array(5).fill( | |
2836 | { | |
2837 | messageId: "unexpected" | |
2838 | } | |
2839 | ) | |
2840 | }, | |
2841 | { | |
2842 | code: "for ((a = b); (a > b); (a = b)) (a = b); (a = b);", | |
2843 | output: "for (a = b; a > b; a = b) a = b; a = b;", | |
2844 | errors: Array(5).fill( | |
2845 | { | |
2846 | messageId: "unexpected" | |
2847 | } | |
2848 | ) | |
2849 | }, | |
2850 | { | |
2851 | code: "for (let a = b; a > (b); a = (b)) a = (b); a = (b);", | |
2852 | output: "for (let a = b; a > b; a = b) a = b; a = b;", | |
2853 | errors: Array(4).fill( | |
2854 | { | |
2855 | messageId: "unexpected" | |
2856 | } | |
2857 | ) | |
2858 | }, | |
2859 | { | |
2860 | code: "for (let a = b; (a > b); (a = b)) (a = b); (a = b);", | |
2861 | output: "for (let a = b; a > b; a = b) a = b; a = b;", | |
2862 | errors: Array(4).fill( | |
2863 | { | |
2864 | messageId: "unexpected" | |
2865 | } | |
2866 | ) | |
2867 | }, | |
2868 | { | |
2869 | code: "for (; a > (b); a = (b)) a = (b); a = (b);", | |
2870 | output: "for (; a > b; a = b) a = b; a = b;", | |
2871 | errors: Array(4).fill( | |
2872 | { | |
2873 | messageId: "unexpected" | |
2874 | } | |
2875 | ) | |
2876 | }, | |
2877 | { | |
2878 | code: "for (; (a > b); (a = b)) (a = b); (a = b);", | |
2879 | output: "for (; a > b; a = b) a = b; a = b;", | |
2880 | errors: Array(4).fill( | |
2881 | { | |
2882 | messageId: "unexpected" | |
2883 | } | |
2884 | ) | |
2885 | }, | |
2886 | { | |
2887 | code: "for (let a = (b); a = (b in c); a = (b in c)) a = (b in c); a = (b in c);", | |
2888 | output: "for (let a = b; a = b in c; a = b in c) a = b in c; a = b in c;", | |
2889 | errors: Array(5).fill( | |
2890 | { | |
2891 | messageId: "unexpected" | |
2892 | } | |
2893 | ) | |
2894 | }, | |
2895 | { | |
2896 | code: "for (let a = (b); (a in b); (a in b)) (a in b); (a in b);", | |
2897 | output: "for (let a = b; a in b; a in b) a in b; a in b;", | |
2898 | errors: Array(5).fill( | |
2899 | { | |
2900 | messageId: "unexpected" | |
2901 | } | |
2902 | ) | |
2903 | }, | |
2904 | { | |
2905 | code: "for (let a = b; a = (b in c); a = (b in c)) a = (b in c); a = (b in c);", | |
2906 | output: "for (let a = b; a = b in c; a = b in c) a = b in c; a = b in c;", | |
2907 | errors: Array(4).fill( | |
2908 | { | |
2909 | messageId: "unexpected" | |
2910 | } | |
2911 | ) | |
2912 | }, | |
2913 | { | |
2914 | code: "for (let a = b; (a in b); (a in b)) (a in b); (a in b);", | |
2915 | output: "for (let a = b; a in b; a in b) a in b; a in b;", | |
2916 | errors: Array(4).fill( | |
2917 | { | |
2918 | messageId: "unexpected" | |
2919 | } | |
2920 | ) | |
2921 | }, | |
2922 | { | |
2923 | code: "for (; a = (b in c); a = (b in c)) a = (b in c); a = (b in c);", | |
2924 | output: "for (; a = b in c; a = b in c) a = b in c; a = b in c;", | |
2925 | errors: Array(4).fill( | |
2926 | { | |
2927 | messageId: "unexpected" | |
2928 | } | |
2929 | ) | |
2930 | }, | |
2931 | { | |
2932 | code: "for (; (a in b); (a in b)) (a in b); (a in b);", | |
2933 | output: "for (; a in b; a in b) a in b; a in b;", | |
2934 | errors: Array(4).fill( | |
2935 | { | |
2936 | messageId: "unexpected" | |
2937 | } | |
2938 | ) | |
2939 | }, | |
2940 | { | |
2941 | code: "for (let a = (b + c), d = () => { for ((e + f); ;); for ((g + h); ;); }; ;); for((i + j); ;);", | |
2942 | output: "for (let a = b + c, d = () => { for (e + f; ;); for (g + h; ;); }; ;); for(i + j; ;);", | |
2943 | errors: Array(4).fill( | |
2944 | { | |
2945 | messageId: "unexpected" | |
2946 | } | |
2947 | ) | |
2948 | }, | |
2949 | ||
2950 | // import expressions | |
2951 | invalid( | |
2952 | "import((source))", | |
2953 | "import(source)", | |
2954 | "Identifier", | |
2955 | 1, | |
2956 | { parserOptions: { ecmaVersion: 2020 } } | |
2957 | ), | |
2958 | invalid( | |
2959 | "import((source = 'foo.js'))", | |
2960 | "import(source = 'foo.js')", | |
2961 | "AssignmentExpression", | |
2962 | 1, | |
2963 | { parserOptions: { ecmaVersion: 2020 } } | |
2964 | ), | |
2965 | invalid( | |
2966 | "import(((s,t)))", | |
2967 | "import((s,t))", | |
2968 | "SequenceExpression", | |
2969 | 1, | |
2970 | { parserOptions: { ecmaVersion: 2020 } } | |
2971 | ), | |
2972 | ||
2973 | // https://github.com/eslint/eslint/issues/12127 | |
2974 | { | |
2975 | code: "[1, ((2, 3))];", | |
2976 | output: "[1, (2, 3)];", | |
2977 | errors: [{ messageId: "unexpected" }] | |
2978 | }, | |
2979 | { | |
2980 | code: "const foo = () => ((bar, baz));", | |
2981 | output: "const foo = () => (bar, baz);", | |
2982 | errors: [{ messageId: "unexpected" }] | |
2983 | }, | |
2984 | { | |
2985 | code: "foo = ((bar, baz));", | |
2986 | output: "foo = (bar, baz);", | |
2987 | errors: [{ messageId: "unexpected" }] | |
2988 | }, | |
2989 | { | |
2990 | code: "foo + ((bar + baz));", | |
2991 | output: "foo + (bar + baz);", | |
2992 | errors: [{ messageId: "unexpected" }] | |
2993 | }, | |
2994 | { | |
2995 | code: "((foo + bar)) + baz;", | |
2996 | output: "(foo + bar) + baz;", | |
2997 | errors: [{ messageId: "unexpected" }] | |
2998 | }, | |
2999 | { | |
3000 | code: "foo * ((bar + baz));", | |
3001 | output: "foo * (bar + baz);", | |
3002 | errors: [{ messageId: "unexpected" }] | |
3003 | }, | |
3004 | { | |
3005 | code: "((foo + bar)) * baz;", | |
3006 | output: "(foo + bar) * baz;", | |
3007 | errors: [{ messageId: "unexpected" }] | |
3008 | }, | |
3009 | { | |
3010 | code: "new A(((foo, bar)))", | |
3011 | output: "new A((foo, bar))", | |
3012 | errors: [{ messageId: "unexpected" }] | |
3013 | }, | |
3014 | { | |
3015 | code: "class A{ [((foo, bar))]() {} }", | |
3016 | output: "class A{ [(foo, bar)]() {} }", | |
3017 | errors: [{ messageId: "unexpected" }] | |
3018 | }, | |
3019 | { | |
3020 | code: "new ((A, B))()", | |
3021 | output: "new (A, B)()", | |
3022 | errors: [{ messageId: "unexpected" }] | |
3023 | }, | |
3024 | { | |
3025 | code: "((foo, bar)) ? bar : baz;", | |
3026 | output: "(foo, bar) ? bar : baz;", | |
3027 | errors: [{ messageId: "unexpected" }] | |
3028 | }, | |
3029 | { | |
3030 | code: "((f ? o : o)) ? bar : baz;", | |
3031 | output: "(f ? o : o) ? bar : baz;", | |
3032 | errors: [{ messageId: "unexpected" }] | |
3033 | }, | |
3034 | { | |
3035 | code: "((f = oo)) ? bar : baz;", | |
3036 | output: "(f = oo) ? bar : baz;", | |
3037 | errors: [{ messageId: "unexpected" }] | |
3038 | }, | |
3039 | { | |
3040 | code: "foo ? ((bar, baz)) : baz;", | |
3041 | output: "foo ? (bar, baz) : baz;", | |
3042 | errors: [{ messageId: "unexpected" }] | |
3043 | }, | |
3044 | { | |
3045 | code: "foo ? bar : ((bar, baz));", | |
3046 | output: "foo ? bar : (bar, baz);", | |
3047 | errors: [{ messageId: "unexpected" }] | |
3048 | }, | |
3049 | { | |
3050 | code: "function foo(bar = ((baz1, baz2))) {}", | |
3051 | output: "function foo(bar = (baz1, baz2)) {}", | |
3052 | errors: [{ messageId: "unexpected" }] | |
3053 | }, | |
3054 | { | |
3055 | code: "var foo = { bar: ((baz1, baz2)) };", | |
3056 | output: "var foo = { bar: (baz1, baz2) };", | |
3057 | errors: [{ messageId: "unexpected" }] | |
3058 | }, | |
3059 | { | |
3060 | code: "var foo = { [((bar1, bar2))]: baz };", | |
3061 | output: "var foo = { [(bar1, bar2)]: baz };", | |
3062 | errors: [{ messageId: "unexpected" }] | |
3063 | }, | |
3064 | ||
3065 | // adjacent tokens tests for division operator, comments and regular expressions | |
3066 | invalid("a+/**/(/**/b)", "a+/**//**/b", "Identifier"), | |
3067 | invalid("a+/**/(//\nb)", "a+/**///\nb", "Identifier"), | |
3068 | invalid("a in(/**/b)", "a in/**/b", "Identifier"), | |
3069 | invalid("a in(//\nb)", "a in//\nb", "Identifier"), | |
3070 | invalid("a+(/**/b)", "a+/**/b", "Identifier"), | |
3071 | invalid("a+/**/(b)", "a+/**/b", "Identifier"), | |
3072 | invalid("a+(//\nb)", "a+//\nb", "Identifier"), | |
3073 | invalid("a+//\n(b)", "a+//\nb", "Identifier"), | |
3074 | invalid("a+(/^b$/)", "a+/^b$/", "Literal"), | |
3075 | invalid("a/(/**/b)", "a/ /**/b", "Identifier"), | |
3076 | invalid("a/(//\nb)", "a/ //\nb", "Identifier"), | |
d3726936 TL |
3077 | invalid("a/(/^b$/)", "a/ /^b$/", "Literal"), |
3078 | ||
3079 | ||
3080 | // Nullish coalescing | |
3081 | { | |
3082 | code: "var v = ((a ?? b)) || c", | |
3083 | output: "var v = (a ?? b) || c", | |
3084 | parserOptions: { ecmaVersion: 2020 }, | |
3085 | errors: [{ messageId: "unexpected" }] | |
3086 | }, | |
3087 | { | |
3088 | code: "var v = a ?? ((b || c))", | |
3089 | output: "var v = a ?? (b || c)", | |
3090 | parserOptions: { ecmaVersion: 2020 }, | |
3091 | errors: [{ messageId: "unexpected" }] | |
3092 | }, | |
3093 | { | |
3094 | code: "var v = ((a ?? b)) && c", | |
3095 | output: "var v = (a ?? b) && c", | |
3096 | parserOptions: { ecmaVersion: 2020 }, | |
3097 | errors: [{ messageId: "unexpected" }] | |
3098 | }, | |
3099 | { | |
3100 | code: "var v = a ?? ((b && c))", | |
3101 | output: "var v = a ?? (b && c)", | |
3102 | parserOptions: { ecmaVersion: 2020 }, | |
3103 | errors: [{ messageId: "unexpected" }] | |
3104 | }, | |
3105 | { | |
3106 | code: "var v = ((a || b)) ?? c", | |
3107 | output: "var v = (a || b) ?? c", | |
3108 | parserOptions: { ecmaVersion: 2020 }, | |
3109 | errors: [{ messageId: "unexpected" }] | |
3110 | }, | |
3111 | { | |
3112 | code: "var v = a || ((b ?? c))", | |
3113 | output: "var v = a || (b ?? c)", | |
3114 | parserOptions: { ecmaVersion: 2020 }, | |
3115 | errors: [{ messageId: "unexpected" }] | |
3116 | }, | |
3117 | { | |
3118 | code: "var v = ((a && b)) ?? c", | |
3119 | output: "var v = (a && b) ?? c", | |
3120 | parserOptions: { ecmaVersion: 2020 }, | |
3121 | errors: [{ messageId: "unexpected" }] | |
3122 | }, | |
3123 | { | |
3124 | code: "var v = a && ((b ?? c))", | |
3125 | output: "var v = a && (b ?? c)", | |
3126 | parserOptions: { ecmaVersion: 2020 }, | |
3127 | errors: [{ messageId: "unexpected" }] | |
3128 | }, | |
3129 | { | |
3130 | code: "var v = (a ?? b) ? b : c", | |
3131 | output: "var v = a ?? b ? b : c", | |
3132 | parserOptions: { ecmaVersion: 2020 }, | |
3133 | errors: [{ messageId: "unexpected" }] | |
3134 | }, | |
3135 | { | |
3136 | code: "var v = (a | b) ?? c | d", | |
3137 | output: "var v = a | b ?? c | d", | |
3138 | parserOptions: { ecmaVersion: 2020 }, | |
3139 | errors: [{ messageId: "unexpected" }] | |
3140 | }, | |
3141 | { | |
3142 | code: "var v = a | b ?? (c | d)", | |
3143 | output: "var v = a | b ?? c | d", | |
3144 | parserOptions: { ecmaVersion: 2020 }, | |
3145 | errors: [{ messageId: "unexpected" }] | |
6f036462 TL |
3146 | }, |
3147 | ||
3148 | // Optional chaining | |
3149 | { | |
3150 | code: "var v = (obj?.aaa)?.aaa", | |
3151 | output: "var v = obj?.aaa?.aaa", | |
3152 | parserOptions: { ecmaVersion: 2020 }, | |
3153 | errors: [{ messageId: "unexpected" }] | |
3154 | }, | |
3155 | { | |
3156 | code: "var v = (obj.aaa)?.aaa", | |
3157 | output: "var v = obj.aaa?.aaa", | |
3158 | parserOptions: { ecmaVersion: 2020 }, | |
3159 | errors: [{ messageId: "unexpected" }] | |
3160 | }, | |
3161 | { | |
3162 | code: "var foo = (function(){})?.call()", | |
3163 | output: "var foo = function(){}?.call()", | |
3164 | options: ["all", { enforceForFunctionPrototypeMethods: true }], | |
3165 | parserOptions: { ecmaVersion: 2020 }, | |
3166 | errors: [{ messageId: "unexpected" }] | |
3167 | }, | |
3168 | { | |
3169 | code: "var foo = (function(){}?.call())", | |
3170 | output: "var foo = function(){}?.call()", | |
3171 | options: ["all", { enforceForFunctionPrototypeMethods: true }], | |
3172 | parserOptions: { ecmaVersion: 2020 }, | |
3173 | errors: [{ messageId: "unexpected" }] | |
d3726936 | 3174 | } |
eb39fafa DC |
3175 | ] |
3176 | }); |