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`‎deps/cjs-module-lexer/CHANGELOG.md‎`

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+6Lines changed: 6 additions & 0 deletions

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Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,9 @@`
	`1`	`+0.5.2`
	`2`	`+- Support named getter functions (https://github.com/guybedford/cjs-module-lexer/pull/26)`
	`3`	`+`
	`4`	`+0.5.1:`
	`5`	`+- Feature: Implement specific reexport getter forms (https://github.com/guybedford/cjs-module-lexer/pull/25)`
	`6`	`+`
`1`	`7`	`0.5.0`
`2`	`8`	`- Breaking Change: No longer emit Object.defineProperty exports (https://github.com/guybedford/cjs-module-lexer/pull/24)`
`3`	`9`	`- Doc: Update link to WASI SDK (https://github.com/guybedford/cjs-module-lexer/pull/19)`

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`‎deps/cjs-module-lexer/README.md‎`

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+94-42Lines changed: 94 additions & 42 deletions

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Original file line number	Diff line number	Diff line change
@@ -70,31 +70,35 @@ STRING_LITERAL: A `"` or `'` bounded ECMA-262 string literal.
`70`	`70`
`71`	`71`	IDENTIFIER_STRING: ( `"` IDENTIFIER `"` \| `'` IDENTIFIER `'` )
`72`	`72`
`73`		`-COMMENT_SPACE: Any ECMA-262 whitespace, ECMA-262 block comment or ECMA-262 line comment`
`74`		`-`
`75`		-MODULE_EXPORTS: `module` COMMENT_SPACE `.` COMMENT_SPACE `exports`
	`73`	+MODULE_EXPORTS: `module` `.` `exports`
`76`	`74`
`77`	`75`	EXPORTS_IDENTIFIER: MODULE_EXPORTS_IDENTIFIER \| `exports`
`78`	`76`
`79`		-EXPORTS_DOT_ASSIGN: EXPORTS_IDENTIFIER COMMENT_SPACE `.` COMMENT_SPACE IDENTIFIER COMMENT_SPACE `=`
	`77`	+EXPORTS_DOT_ASSIGN: EXPORTS_IDENTIFIER `.` IDENTIFIER `=`
`80`	`78`
`81`		-EXPORTS_LITERAL_COMPUTED_ASSIGN: EXPORTS_IDENTIFIER COMMENT_SPACE `[` COMMENT_SPACE IDENTIFIER_STRING COMMENT_SPACE `]` COMMENT_SPACE `=`
	`79`	+EXPORTS_LITERAL_COMPUTED_ASSIGN: EXPORTS_IDENTIFIER `[` IDENTIFIER_STRING `]` `=`
`82`	`80`
`83`		-EXPORTS_LITERAL_PROP: (IDENTIFIER (COMMENT_SPACE `:` COMMENT_SPACE IDENTIFIER)?) \| (IDENTIFIER_STRING COMMENT_SPACE `:` COMMENT_SPACE IDENTIFIER)
	`81`	+EXPORTS_LITERAL_PROP: (IDENTIFIER `:` IDENTIFIER)?) \| (IDENTIFIER_STRING `:` IDENTIFIER)
`84`	`82`
`85`		-EXPORTS_SPREAD: `...` COMMENT_SPACE (IDENTIFIER \| REQUIRE)
	`83`	+EXPORTS_SPREAD: `...` (IDENTIFIER \| REQUIRE)
`86`	`84`
`87`	`85`	`EXPORTS_MEMBER: EXPORTS_DOT_ASSIGN \| EXPORTS_LITERAL_COMPUTED_ASSIGN`
`88`	`86`
`89`		-ES_MODULE_DEFINE: `Object` COMMENT_SPACE `.` COMMENT_SPACE `defineProperty COMMENT_SPACE `(` COMMENT_SPACE `__esModule` COMMENT_SPACE `,` COMMENT_SPACE IDENTIFIER_STRING
	`87`	+EXPORTS_DEFINE: `Object` `.` `defineProperty `(` IDENTIFIER_STRING `, {`
	`88`	+ (`enumerable: true,`)?
	`89`	`+ (`
	`90`	+ `value:` \|
	`91`	+ `get` (`: function` IDENTIFIER? )? `()` {` return IDENTIFIER (`.` IDENTIFIER \| `[` IDENTIFIER_STRING `]`)? `;`? `}`
	`92`	`+ )`
	`93`	+ `})`
`90`	`94`
`91`		-EXPORTS_LITERAL: MODULE_EXPORTS COMMENT_SPACE `=` COMMENT_SPACE `{` COMMENT_SPACE (EXPORTS_LITERAL_PROP \| EXPORTS_SPREAD) COMMENT_SPACE `,` COMMENT_SPACE)+ `}`
	`95`	+EXPORTS_LITERAL: MODULE_EXPORTS `=` `{` (EXPORTS_LITERAL_PROP \| EXPORTS_SPREAD) `,`)+ `}`
`92`	`96`
`93`		-REQUIRE: `require` COMMENT_SPACE `(` COMMENT_SPACE STRING_LITERAL COMMENT_SPACE `)`
	`97`	+REQUIRE: `require` `(` STRING_LITERAL `)`
`94`	`98`
`95`	`99`	EXPORTS_ASSIGN: (`var` \| `const` \| `let`) IDENTIFIER `=` REQUIRE
`96`	`100`
`97`		-MODULE_EXPORTS_ASSIGN: MODULE_EXPORTS COMMENT_SPACE `=` COMMENT_SPACE REQUIRE
	`101`	+MODULE_EXPORTS_ASSIGN: MODULE_EXPORTS `=` REQUIRE
`98`	`102`
`99`	`103`	EXPORT_STAR: (`__export` \| `__exportStar`) `(` REQUIRE
`100`	`104`
@@ -113,9 +117,9 @@ EXPORT_STAR_LIB: `Object.keys(` IDENTIFIER$1 `).forEach(function (` IDENTIFIER$2
`113`	`117`	`})`
`114`	`118`	```
`115`	`119`
`116`		`-* The returned export names are taken to be the combination of:`
`117`		- 1. `IDENTIFIER` and `IDENTIFIER_STRING` slots for all `EXPORTS_MEMBER` and `EXPORTS_LITERAL` matches.
`118`		- 2. `__esModule` if there is an `ES_MODULE_DEFINE` match.
	`120`	`+Spacing between tokens is taken to be any ECMA-262 whitespace, ECMA-262 block comment or ECMA-262 line comment.`
	`121`	`+`
	`122`	+* The returned export names are taken to be the combination of the `IDENTIFIER` and `IDENTIFIER_STRING` slots for all `EXPORTS_MEMBER`, `EXPORTS_LITERAL` and `EXPORTS_DEFINE` matches.
`119`	`123`	`* The reexport specifiers are taken to be the the combination of:`
`120`	`124`	1. The `REQUIRE` matches of the last matched of either `MODULE_EXPORTS_ASSIGN` or `EXPORTS_LITERAL`.
`121`	`125`	2. All _top-level_ `EXPORT_STAR` `REQUIRE` matches and `EXPORTS_ASSIGN` matches whose `IDENTIFIER` also matches the first `IDENTIFIER` in `EXPORT_STAR_LIB`.
`@@ -156,17 +160,66 @@ It will in turn underclassify in cases where the identifiers are renamed:`
`156`	`160`	`})(exports);`
`157`	`161`	```
`158`	`162`
`159`		`-#### __esModule Detection`
`160`		`-`
`161`		-In addition, `__esModule` is detected as an export when set by `Object.defineProperty`:
	`163`	+`Object.defineProperty` is detected for specifically value and getter forms returning an identifier or member expression:
`162`	`164`
`163`	`165`	```js
`164`		`-// DETECTS: __esModule`
`165`		`-Object.defineProperty(exports, 'a', { value: 'a' });`
	`166`	`+// DETECTS: a, b, c, d, __esModule`
	`167`	`+Object.defineProperty(exports, 'a', {`
	`168`	`+ enumerable: true,`
	`169`	`+ get: function () {`
	`170`	`+ return q.p;`
	`171`	`+ }`
	`172`	`+});`
	`173`	`+Object.defineProperty(exports, 'b', {`
	`174`	`+ enumerable: true,`
	`175`	`+ get: function () {`
	`176`	`+ return q['p'];`
	`177`	`+ }`
	`178`	`+});`
	`179`	`+Object.defineProperty(exports, 'c', {`
	`180`	`+ enumerable: true,`
	`181`	`+ get () {`
	`182`	`+ return b;`
	`183`	`+ }`
	`184`	`+});`
	`185`	`+Object.defineProperty(exports, 'd', { value: 'd' });`
`166`	`186`	`Object.defineProperty(exports, '__esModule', { value: true });`
`167`	`187`	```
`168`	`188`
`169`		-No other named exports are detected for `defineProperty` calls in order not to trigger getters or non-enumerable properties unnecessarily.
	`189`	`+Alternative object definition structures or getter function bodies are not detected:`
	`190`	`+`
	`191`	+```js
	`192`	`+// DETECTS: NO EXPORTS`
	`193`	`+Object.defineProperty(exports, 'a', {`
	`194`	`+ enumerable: false,`
	`195`	`+ get () {`
	`196`	`+ return p;`
	`197`	`+ }`
	`198`	`+});`
	`199`	`+Object.defineProperty(exports, 'b', {`
	`200`	`+ configurable: true,`
	`201`	`+ get () {`
	`202`	`+ return p;`
	`203`	`+ }`
	`204`	`+});`
	`205`	`+Object.defineProperty(exports, 'c', {`
	`206`	`+ get: () => p`
	`207`	`+});`
	`208`	`+Object.defineProperty(exports, 'd', {`
	`209`	`+ enumerable: true,`
	`210`	`+ get: function () {`
	`211`	`+ return dynamic();`
	`212`	`+ }`
	`213`	`+});`
	`214`	`+Object.defineProperty(exports, 'e', {`
	`215`	`+ enumerable: true,`
	`216`	`+ get () {`
	`217`	`+ return 'str';`
	`218`	`+ }`
	`219`	`+});`
	`220`	+```
	`221`	`+`
	`222`	+`Object.defineProperties` is also not supported.
`170`	`223`
`171`	`224`	`#### Exports Object Assignment`
`172`	`225`
`@@ -281,65 +334,64 @@ Current results:`
`281`	`334`	`JS Build:`
`282`	`335`
`283`	`336`	```
`284`		`---- JS Build ---`
`285`	`337`	`Module load time`
`286`		`-> 2ms`
	`338`	`+> 5ms`
`287`	`339`	`Cold Run, All Samples`
`288`	`340`	`test/samples/*.js (3635 KiB)`
`289`		`-> 311ms`
	`341`	`+> 323ms`
`290`	`342`
`291`	`343`	`Warm Runs (average of 25 runs)`
`292`	`344`	`test/samples/angular.js (1410 KiB)`
`293`		`-> 14.76ms`
	`345`	`+> 14.84ms`
`294`	`346`	`test/samples/angular.min.js (303 KiB)`
`295`		`-> 5.04ms`
	`347`	`+> 4.8ms`
`296`	`348`	`test/samples/d3.js (553 KiB)`
`297`		`-> 7.12ms`
	`349`	`+> 7.84ms`
`298`	`350`	`test/samples/d3.min.js (250 KiB)`
`299`	`351`	`> 4ms`
`300`	`352`	`test/samples/magic-string.js (34 KiB)`
`301`		`-> 0.84ms`
	`353`	`+> 0.72ms`
`302`	`354`	`test/samples/magic-string.min.js (20 KiB)`
`303`		`-> 0.08ms`
	`355`	`+> 0.4ms`
`304`	`356`	`test/samples/rollup.js (698 KiB)`
`305`		`-> 9.08ms`
	`357`	`+> 9.32ms`
`306`	`358`	`test/samples/rollup.min.js (367 KiB)`
`307`		`-> 6ms`
	`359`	`+> 6.52ms`
`308`	`360`
`309`	`361`	`Warm Runs, All Samples (average of 25 runs)`
`310`	`362`	`test/samples/*.js (3635 KiB)`
`311`		`-> 41.32ms`
	`363`	`+> 44ms`
`312`	`364`	```
`313`	`365`
`314`	`366`	`Wasm Build:`
`315`	`367`	```
`316`	`368`	`Module load time`
`317`		`-> 10ms`
	`369`	`+> 11ms`
`318`	`370`	`Cold Run, All Samples`
`319`	`371`	`test/samples/*.js (3635 KiB)`
`320`		`-> 47ms`
	`372`	`+> 42ms`
`321`	`373`
`322`	`374`	`Warm Runs (average of 25 runs)`
`323`	`375`	`test/samples/angular.js (1410 KiB)`
`324`		`-> 12.96ms`
	`376`	`+> 9.92ms`
`325`	`377`	`test/samples/angular.min.js (303 KiB)`
`326`		`-> 4ms`
	`378`	`+> 3.2ms`
`327`	`379`	`test/samples/d3.js (553 KiB)`
`328`		`-> 6.12ms`
	`380`	`+> 5.2ms`
`329`	`381`	`test/samples/d3.min.js (250 KiB)`
`330`		`-> 3.08ms`
	`382`	`+> 2.52ms`
`331`	`383`	`test/samples/magic-string.js (34 KiB)`
`332`		`-> 0.32ms`
	`384`	`+> 0.16ms`
`333`	`385`	`test/samples/magic-string.min.js (20 KiB)`
`334`		`-> 0ms`
	`386`	`+> 0.04ms`
`335`	`387`	`test/samples/rollup.js (698 KiB)`
`336`		`-> 7.8ms`
	`388`	`+> 6.44ms`
`337`	`389`	`test/samples/rollup.min.js (367 KiB)`
`338`		`-> 4.64ms`
	`390`	`+> 3.96ms`
`339`	`391`
`340`	`392`	`Warm Runs, All Samples (average of 25 runs)`
`341`	`393`	`test/samples/*.js (3635 KiB)`
`342`		`-> 35.64ms`
	`394`	`+> 30.48ms`
`343`	`395`	```
`344`	`396`
`345`	`397`	`### Wasm Build Steps`

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`‎deps/cjs-module-lexer/dist/lexer.js‎`

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`‎deps/cjs-module-lexer/dist/lexer.mjs‎`

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+2-2Lines changed: 2 additions & 2 deletions

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`‎deps/cjs-module-lexer/lexer.js‎`

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+106-19Lines changed: 106 additions & 19 deletions

Original file line number	Diff line number	Diff line change
`@@ -260,30 +260,117 @@ function tryParseObjectDefineOrKeys (keys) {`
`260`	`260`	`pos++;`
`261`	`261`	`ch = commentWhitespace();`
`262`	`262`	`if (ch === 100/d/ && source.startsWith('efineProperty', pos + 1)) {`
`263`		`- pos += 14;`
`264`		`- revertPos = pos - 1;`
`265`		`- ch = commentWhitespace();`
`266`		`- if (ch !== 40/(/) {`
`267`		`- pos = revertPos;`
`268`		`- return;`
`269`		`- }`
`270`		`- pos++;`
`271`		`- ch = commentWhitespace();`
`272`		`- if (readExportsOrModuleDotExports(ch)) {`
	`263`	`+ while (true) {`
	`264`	`+ pos += 14;`
	`265`	`+ revertPos = pos - 1;`
	`266`	`+ ch = commentWhitespace();`
	`267`	`+ if (ch !== 40/(/) break;`
	`268`	`+ pos++;`
	`269`	`+ ch = commentWhitespace();`
	`270`	`+ if (!readExportsOrModuleDotExports(ch)) break;`
	`271`	`+ ch = commentWhitespace();`
	`272`	`+ if (ch !== 44/,/) break;`
	`273`	`+ pos++;`
	`274`	`+ ch = commentWhitespace();`
	`275`	`+ if (ch !== 39/'/ && ch !== 34/"/) break;`
	`276`	`+ let quot = ch;`
	`277`	`+ const exportPos = ++pos;`
	`278`	`+ if (!identifier() \|\| source.charCodeAt(pos) !== quot) break;`
	`279`	`+ const expt = source.slice(exportPos, pos);`
	`280`	`+ pos++;`
	`281`	`+ ch = commentWhitespace();`
	`282`	`+ if (ch !== 44/,/) break;`
	`283`	`+ pos++;`
`273`	`284`	`ch = commentWhitespace();`
`274`		`- if (ch === 44/,/) {`
	`285`	`+ if (ch !== 123/{/) break;`
	`286`	`+ pos++;`
	`287`	`+ ch = commentWhitespace();`
	`288`	`+ if (ch === 101/e/) {`
	`289`	`+ if (!source.startsWith('numerable', pos + 1)) break;`
	`290`	`+ pos += 10;`
	`291`	`+ ch = commentWhitespace();`
	`292`	`+ if (ch !== 58/:/) break;`
`275`	`293`	`pos++;`
`276`	`294`	`ch = commentWhitespace();`
`277`		`- if (ch === 39/'/ \|\| ch === 34/"/) {`
`278`		`- const exportPos = ++pos;`
`279`		`- if (identifier() && source.charCodeAt(pos) === ch) {`
`280`		`- // revert for "("`
`281`		`- const expt = source.slice(exportPos, pos);`
`282`		`- if (expt === '__esModule')`
`283`		`- addExport(expt);`
`284`		`- }`
	`295`	`+ if (ch !== 116/t/ \|\| !source.startsWith('rue', pos + 1)) break;`
	`296`	`+ pos += 4;`
	`297`	`+ ch = commentWhitespace();`
	`298`	`+ if (ch !== 44) break;`
	`299`	`+ pos++;`
	`300`	`+ ch = commentWhitespace();`
	`301`	`+ }`
	`302`	`+ if (ch === 118/v/) {`
	`303`	`+ if (!source.startsWith('alue', pos + 1)) break;`
	`304`	`+ pos += 5;`
	`305`	`+ ch = commentWhitespace();`
	`306`	`+ if (ch !== 58/:/) break;`
	`307`	`+ pos++;`
	`308`	`+ addExport(expt);`
	`309`	`+ break;`
	`310`	`+ }`
	`311`	`+ else if (ch === 103/g/) {`
	`312`	`+ if (!source.startsWith('et', pos + 1)) break;`
	`313`	`+ pos += 3;`
	`314`	`+ ch = commentWhitespace();`
	`315`	`+ if (ch === 58/:/) {`
	`316`	`+ pos++;`
	`317`	`+ ch = commentWhitespace();`
	`318`	`+ if (ch !== 102/f/) break;`
	`319`	`+ if (!source.startsWith('unction', pos + 1)) break;`
	`320`	`+ pos += 8;`
	`321`	`+ let lastPos = pos;`
	`322`	`+ ch = commentWhitespace();`
	`323`	`+ if (ch !== 40 && (lastPos === pos \|\| !identifier())) break;`
	`324`	`+ ch = commentWhitespace();`
	`325`	`+ }`
	`326`	`+ if (ch !== 40/(/) break;`
	`327`	`+ pos++;`
	`328`	`+ ch = commentWhitespace();`
	`329`	`+ if (ch !== 41/)/) break;`
	`330`	`+ pos++;`
	`331`	`+ ch = commentWhitespace();`
	`332`	`+ if (ch !== 123/{/) break;`
	`333`	`+ pos++;`
	`334`	`+ ch = commentWhitespace();`
	`335`	`+ if (ch !== 114/r/) break;`
	`336`	`+ if (!source.startsWith('eturn', pos + 1)) break;`
	`337`	`+ pos += 6;`
	`338`	`+ ch = commentWhitespace();`
	`339`	`+ if (!identifier()) break;`
	`340`	`+ ch = commentWhitespace();`
	`341`	`+ if (ch === 46/./) {`
	`342`	`+ pos++;`
	`343`	`+ commentWhitespace();`
	`344`	`+ if (!identifier()) break;`
	`345`	`+ ch = commentWhitespace();`
	`346`	`+ }`
	`347`	`+ else if (ch === 91/[/) {`
	`348`	`+ pos++;`
	`349`	`+ ch = commentWhitespace();`
	`350`	`+ if (ch === 39/'/) singleQuoteString();`
	`351`	`+ else if (ch === 34/"/) doubleQuoteString();`
	`352`	`+ else break;`
	`353`	`+ pos++;`
	`354`	`+ ch = commentWhitespace();`
	`355`	`+ if (ch !== 93/]/) break;`
	`356`	`+ pos++;`
	`357`	`+ ch = commentWhitespace();`
	`358`	`+ }`
	`359`	`+ if (ch === 59/;/) {`
	`360`	`+ pos++;`
	`361`	`+ ch = commentWhitespace();`
`285`	`362`	`}`
	`363`	`+ if (ch !== 125/}/) break;`
	`364`	`+ pos++;`
	`365`	`+ ch = commentWhitespace();`
	`366`	`+ if (ch !== 125/}/) break;`
	`367`	`+ pos++;`
	`368`	`+ ch = commentWhitespace();`
	`369`	`+ if (ch !== 41/)/) break;`
	`370`	`+ addExport(expt);`
	`371`	`+ return;`
`286`	`372`	`}`
	`373`	`+ break;`
`287`	`374`	`}`
`288`	`375`	`}`
`289`	`376`	`else if (keys && ch === 107/k/ && source.startsWith('eys', pos + 1)) {`

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`‎deps/cjs-module-lexer/package.json‎`

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+1-1Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`{`
`2`	`2`	`"name": "cjs-module-lexer",`
`3`		`- "version": "0.5.0",`
	`3`	`+ "version": "0.5.2",`
`4`	`4`	`"description": "Lexes CommonJS modules, returning their named exports metadata",`
`5`	`5`	`"main": "lexer.js",`
`6`	`6`	`"exports": {`

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`‎doc/api/esm.md‎`

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+1-1Lines changed: 1 addition & 1 deletion

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Original file line number	Diff line number	Diff line change
`@@ -1282,7 +1282,7 @@ success!`
`1282`	`1282`	[`transformSource` hook]: #esm_transformsource_source_context_defaulttransformsource
`1283`	`1283`	[`string`]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String
`1284`	`1284`	[`util.TextDecoder`]: util.md#util_class_util_textdecoder
`1285`		`-[cjs-module-lexer]: https://github.com/guybedford/cjs-module-lexer/tree/0.5.0`
	`1285`	`+[cjs-module-lexer]: https://github.com/guybedford/cjs-module-lexer/tree/0.5.2`
`1286`	`1286`	`[special scheme]: https://url.spec.whatwg.org/#special-scheme`
`1287`	`1287`	`[the official standard format]: https://tc39.github.io/ecma262/#sec-modules`
`1288`	`1288`	`[transpiler loader example]: #esm_transpiler_loader`

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