diff options
Diffstat (limited to 'node_modules/regexpu-core')
| -rw-r--r-- | node_modules/regexpu-core/LICENSE-MIT.txt | 20 | ||||
| -rw-r--r-- | node_modules/regexpu-core/README.md | 62 | ||||
| -rw-r--r-- | node_modules/regexpu-core/data/character-class-escape-sets.js | 101 | ||||
| -rw-r--r-- | node_modules/regexpu-core/data/iu-mappings.json | 296 | ||||
| -rw-r--r-- | node_modules/regexpu-core/package.json | 88 | ||||
| -rw-r--r-- | node_modules/regexpu-core/rewrite-pattern.js | 193 |
6 files changed, 760 insertions, 0 deletions
diff --git a/node_modules/regexpu-core/LICENSE-MIT.txt b/node_modules/regexpu-core/LICENSE-MIT.txt new file mode 100644 index 0000000..a41e0a7 --- /dev/null +++ b/node_modules/regexpu-core/LICENSE-MIT.txt @@ -0,0 +1,20 @@ +Copyright Mathias Bynens <https://mathiasbynens.be/> + +Permission is hereby granted, free of charge, to any person obtaining +a copy of this software and associated documentation files (the +"Software"), to deal in the Software without restriction, including +without limitation the rights to use, copy, modify, merge, publish, +distribute, sublicense, and/or sell copies of the Software, and to +permit persons to whom the Software is furnished to do so, subject to +the following conditions: + +The above copyright notice and this permission notice shall be +included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/node_modules/regexpu-core/README.md b/node_modules/regexpu-core/README.md new file mode 100644 index 0000000..1f80cd8 --- /dev/null +++ b/node_modules/regexpu-core/README.md @@ -0,0 +1,62 @@ +# regexpu-core [](https://travis-ci.org/mathiasbynens/regexpu-core) [](https://coveralls.io/r/mathiasbynens/regexpu-core) [](https://gemnasium.com/mathiasbynens/regexpu-core) + +_regexpu_ is a source code transpiler that enables the use of ES6 Unicode regular expressions in JavaScript-of-today (ES5). + +_regexpu-core_ contains _regexpu_’s core functionality, i.e. `rewritePattern(pattern, flag)`, which enables rewriting regular expressions that make use of [the ES6 `u` flag](https://mathiasbynens.be/notes/es6-unicode-regex) into equivalent ES5-compatible regular expression patterns. + +## Installation + +To use _regexpu-core_ programmatically, install it as a dependency via [npm](https://www.npmjs.com/): + +```bash +npm install regexpu-core --save-dev +``` + +Then, `require` it: + +```js +const rewritePattern = require('regexpu-core'); +``` + +## API + +This module exports a single function named `rewritePattern`. + +### `rewritePattern(pattern, flags)` + +This function takes a string that represents a regular expression pattern as well as a string representing its flags, and returns an ES5-compatible version of the pattern. + +```js +rewritePattern('foo.bar', 'u'); +// → 'foo(?:[\\0-\\t\\x0B\\f\\x0E-\\u2027\\u202A-\\uD7FF\\uDC00-\\uFFFF]|[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]|[\\uD800-\\uDBFF])bar' + +rewritePattern('[\\u{1D306}-\\u{1D308}a-z]', 'u'); +// → '(?:[a-z]|\\uD834[\\uDF06-\\uDF08])' + +rewritePattern('[\\u{1D306}-\\u{1D308}a-z]', 'ui'); +// → '(?:[a-z\\u017F\\u212A]|\\uD834[\\uDF06-\\uDF08])' +``` + +_regexpu-core_ can rewrite non-ES6 regular expressions too, which is useful to demonstrate how their behavior changes once the `u` and `i` flags are added: + +```js +// In ES5, the dot operator only matches BMP symbols: +rewritePattern('foo.bar'); +// → 'foo(?:[\\0-\\t\\x0B\\f\\x0E-\\u2027\\u202A-\\uFFFF])bar' + +// But with the ES6 `u` flag, it matches astral symbols too: +rewritePattern('foo.bar', 'u'); +// → 'foo(?:[\\0-\\t\\x0B\\f\\x0E-\\u2027\\u202A-\\uD7FF\\uDC00-\\uFFFF]|[\\uD800-\\uDBFF][\\uDC00-\\uDFFF]|[\\uD800-\\uDBFF])bar' +``` + +`rewritePattern` uses [regjsgen](https://github.com/d10/regjsgen), [regjsparser](https://github.com/jviereck/regjsparser), and [regenerate](https://github.com/mathiasbynens/regenerate) as internal dependencies. + +## Author + +| [](https://twitter.com/mathias "Follow @mathias on Twitter") | +|---| +| [Mathias Bynens](https://mathiasbynens.be/) | + +## License + +_regexpu-core_ is available under the [MIT](https://mths.be/mit) license. diff --git a/node_modules/regexpu-core/data/character-class-escape-sets.js b/node_modules/regexpu-core/data/character-class-escape-sets.js new file mode 100644 index 0000000..fcc482e --- /dev/null +++ b/node_modules/regexpu-core/data/character-class-escape-sets.js @@ -0,0 +1,101 @@ +// Generated by `/scripts/character-class-escape-sets.js`. Do not edit. +var regenerate = require('regenerate'); + +exports.REGULAR = { + 'd': regenerate() + .addRange(0x30, 0x39), + 'D': regenerate() + .addRange(0x0, 0x2F) + .addRange(0x3A, 0xFFFF), + 's': regenerate(0x20, 0xA0, 0x1680, 0x202F, 0x205F, 0x3000, 0xFEFF) + .addRange(0x9, 0xD) + .addRange(0x2000, 0x200A) + .addRange(0x2028, 0x2029), + 'S': regenerate() + .addRange(0x0, 0x8) + .addRange(0xE, 0x1F) + .addRange(0x21, 0x9F) + .addRange(0xA1, 0x167F) + .addRange(0x1681, 0x1FFF) + .addRange(0x200B, 0x2027) + .addRange(0x202A, 0x202E) + .addRange(0x2030, 0x205E) + .addRange(0x2060, 0x2FFF) + .addRange(0x3001, 0xFEFE) + .addRange(0xFF00, 0xFFFF), + 'w': regenerate(0x5F) + .addRange(0x30, 0x39) + .addRange(0x41, 0x5A) + .addRange(0x61, 0x7A), + 'W': regenerate(0x60) + .addRange(0x0, 0x2F) + .addRange(0x3A, 0x40) + .addRange(0x5B, 0x5E) + .addRange(0x7B, 0xFFFF) +}; + +exports.UNICODE = { + 'd': regenerate() + .addRange(0x30, 0x39), + 'D': regenerate() + .addRange(0x0, 0x2F) + .addRange(0x3A, 0x10FFFF), + 's': regenerate(0x20, 0xA0, 0x1680, 0x202F, 0x205F, 0x3000, 0xFEFF) + .addRange(0x9, 0xD) + .addRange(0x2000, 0x200A) + .addRange(0x2028, 0x2029), + 'S': regenerate() + .addRange(0x0, 0x8) + .addRange(0xE, 0x1F) + .addRange(0x21, 0x9F) + .addRange(0xA1, 0x167F) + .addRange(0x1681, 0x1FFF) + .addRange(0x200B, 0x2027) + .addRange(0x202A, 0x202E) + .addRange(0x2030, 0x205E) + .addRange(0x2060, 0x2FFF) + .addRange(0x3001, 0xFEFE) + .addRange(0xFF00, 0x10FFFF), + 'w': regenerate(0x5F) + .addRange(0x30, 0x39) + .addRange(0x41, 0x5A) + .addRange(0x61, 0x7A), + 'W': regenerate(0x60) + .addRange(0x0, 0x2F) + .addRange(0x3A, 0x40) + .addRange(0x5B, 0x5E) + .addRange(0x7B, 0x10FFFF) +}; + +exports.UNICODE_IGNORE_CASE = { + 'd': regenerate() + .addRange(0x30, 0x39), + 'D': regenerate() + .addRange(0x0, 0x2F) + .addRange(0x3A, 0x10FFFF), + 's': regenerate(0x20, 0xA0, 0x1680, 0x202F, 0x205F, 0x3000, 0xFEFF) + .addRange(0x9, 0xD) + .addRange(0x2000, 0x200A) + .addRange(0x2028, 0x2029), + 'S': regenerate() + .addRange(0x0, 0x8) + .addRange(0xE, 0x1F) + .addRange(0x21, 0x9F) + .addRange(0xA1, 0x167F) + .addRange(0x1681, 0x1FFF) + .addRange(0x200B, 0x2027) + .addRange(0x202A, 0x202E) + .addRange(0x2030, 0x205E) + .addRange(0x2060, 0x2FFF) + .addRange(0x3001, 0xFEFE) + .addRange(0xFF00, 0x10FFFF), + 'w': regenerate(0x5F, 0x17F, 0x212A) + .addRange(0x30, 0x39) + .addRange(0x41, 0x5A) + .addRange(0x61, 0x7A), + 'W': regenerate(0x4B, 0x53, 0x60) + .addRange(0x0, 0x2F) + .addRange(0x3A, 0x40) + .addRange(0x5B, 0x5E) + .addRange(0x7B, 0x10FFFF) +}; diff --git a/node_modules/regexpu-core/data/iu-mappings.json b/node_modules/regexpu-core/data/iu-mappings.json new file mode 100644 index 0000000..dbf36a2 --- /dev/null +++ b/node_modules/regexpu-core/data/iu-mappings.json @@ -0,0 +1,296 @@ +{ + "75": 8490, + "83": 383, + "107": 8490, + "115": 383, + "181": 924, + "197": 8491, + "383": 83, + "452": 453, + "453": 452, + "455": 456, + "456": 455, + "458": 459, + "459": 458, + "497": 498, + "498": 497, + "837": 8126, + "914": 976, + "917": 1013, + "920": 1012, + "921": 8126, + "922": 1008, + "924": 181, + "928": 982, + "929": 1009, + "931": 962, + "934": 981, + "937": 8486, + "962": 931, + "976": 914, + "977": 1012, + "981": 934, + "982": 928, + "1008": 922, + "1009": 929, + "1012": [ + 920, + 977 + ], + "1013": 917, + "7776": 7835, + "7835": 7776, + "8126": [ + 837, + 921 + ], + "8486": 937, + "8490": 75, + "8491": 197, + "66560": 66600, + "66561": 66601, + "66562": 66602, + "66563": 66603, + "66564": 66604, + "66565": 66605, + "66566": 66606, + "66567": 66607, + "66568": 66608, + "66569": 66609, + "66570": 66610, + "66571": 66611, + "66572": 66612, + "66573": 66613, + "66574": 66614, + "66575": 66615, + "66576": 66616, + "66577": 66617, + "66578": 66618, + "66579": 66619, + "66580": 66620, + "66581": 66621, + "66582": 66622, + "66583": 66623, + "66584": 66624, + "66585": 66625, + "66586": 66626, + "66587": 66627, + "66588": 66628, + "66589": 66629, + "66590": 66630, + "66591": 66631, + "66592": 66632, + "66593": 66633, + "66594": 66634, + "66595": 66635, + "66596": 66636, + "66597": 66637, + "66598": 66638, + "66599": 66639, + "66600": 66560, + "66601": 66561, + "66602": 66562, + "66603": 66563, + "66604": 66564, + "66605": 66565, + "66606": 66566, + "66607": 66567, + "66608": 66568, + "66609": 66569, + "66610": 66570, + "66611": 66571, + "66612": 66572, + "66613": 66573, + "66614": 66574, + "66615": 66575, + "66616": 66576, + "66617": 66577, + "66618": 66578, + "66619": 66579, + "66620": 66580, + "66621": 66581, + "66622": 66582, + "66623": 66583, + "66624": 66584, + "66625": 66585, + "66626": 66586, + "66627": 66587, + "66628": 66588, + "66629": 66589, + "66630": 66590, + "66631": 66591, + "66632": 66592, + "66633": 66593, + "66634": 66594, + "66635": 66595, + "66636": 66596, + "66637": 66597, + "66638": 66598, + "66639": 66599, + "68736": 68800, + "68737": 68801, + "68738": 68802, + "68739": 68803, + "68740": 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b/node_modules/regexpu-core/package.json new file mode 100644 index 0000000..d46c3b2 --- /dev/null +++ b/node_modules/regexpu-core/package.json @@ -0,0 +1,88 @@ +{ + "_from": "regexpu-core@^2.0.0", + "_id": "regexpu-core@2.0.0", + "_inBundle": false, + "_integrity": "sha1-SdA4g3uNz4v6W5pCE5k45uoq4kA=", + "_location": "/regexpu-core", + "_phantomChildren": {}, + "_requested": { + "type": "range", + "registry": true, + "raw": "regexpu-core@^2.0.0", + "name": "regexpu-core", + "escapedName": "regexpu-core", + "rawSpec": "^2.0.0", + "saveSpec": null, + "fetchSpec": "^2.0.0" + }, + "_requiredBy": [ + "/babel-plugin-transform-es2015-unicode-regex" + ], + "_resolved": "https://registry.npmjs.org/regexpu-core/-/regexpu-core-2.0.0.tgz", + "_shasum": "49d038837b8dcf8bfa5b9a42139938e6ea2ae240", + "_spec": "regexpu-core@^2.0.0", + "_where": "/home/pruss/Dev/3-minute-website/node_modules/babel-plugin-transform-es2015-unicode-regex", + "author": { + "name": "Mathias Bynens", + "url": "https://mathiasbynens.be/" + }, + "bugs": { + "url": "https://github.com/mathiasbynens/regexpu-core/issues" + }, + "bundleDependencies": false, + "dependencies": { + "regenerate": "^1.2.1", + "regjsgen": "^0.2.0", + "regjsparser": "^0.1.4" + }, + "deprecated": false, + "description": "regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.", + "devDependencies": { + "coveralls": "^2.11.2", + "istanbul": "^0.4.0", + "jsesc": "^0.5.0", + "lodash": "^3.6.0", + "mocha": "^2.2.1", + "regexpu-fixtures": "^2.0.0", + "unicode-8.0.0": "^0.1.5" + }, + "files": [ + "LICENSE-MIT.txt", + "rewrite-pattern.js", + "data/character-class-escape-sets.js", + "data/iu-mappings.json" + ], + "homepage": "https://mths.be/regexpu", + "keywords": [ + "codegen", + "desugaring", + "ecmascript", + "es5", + "es6", + "harmony", + "javascript", + "refactoring", + "regex", + "regexp", + "regular expressions", + "rewriting", + "syntax", + "transformation", + "transpile", + "transpiler", + "unicode" + ], + "license": "MIT", + "main": "rewrite-pattern.js", + "name": "regexpu-core", + "repository": { + "type": "git", + "url": "git+https://github.com/mathiasbynens/regexpu-core.git" + }, + "scripts": { + "build": "node scripts/iu-mappings.js && node scripts/character-class-escape-sets.js", + "coverage": "istanbul cover --report html node_modules/.bin/_mocha tests/tests.js -- -u exports -R spec", + "test": "mocha tests" + }, + "version": "2.0.0" +} diff --git a/node_modules/regexpu-core/rewrite-pattern.js b/node_modules/regexpu-core/rewrite-pattern.js new file mode 100644 index 0000000..47a7854 --- /dev/null +++ b/node_modules/regexpu-core/rewrite-pattern.js @@ -0,0 +1,193 @@ +var generate = require('regjsgen').generate; +var parse = require('regjsparser').parse; +var regenerate = require('regenerate'); +var iuMappings = require('./data/iu-mappings.json'); +var ESCAPE_SETS = require('./data/character-class-escape-sets.js'); + +function getCharacterClassEscapeSet(character) { + if (unicode) { + if (ignoreCase) { + return ESCAPE_SETS.UNICODE_IGNORE_CASE[character]; + } + return ESCAPE_SETS.UNICODE[character]; + } + return ESCAPE_SETS.REGULAR[character]; +} + +var object = {}; +var hasOwnProperty = object.hasOwnProperty; +function has(object, property) { + return hasOwnProperty.call(object, property); +} + +// Prepare a Regenerate set containing all code points, used for negative +// character classes (if any). +var UNICODE_SET = regenerate().addRange(0x0, 0x10FFFF); +// Without the `u` flag, the range stops at 0xFFFF. +// https://mths.be/es6#sec-pattern-semantics +var BMP_SET = regenerate().addRange(0x0, 0xFFFF); + +// Prepare a Regenerate set containing all code points that are supposed to be +// matched by `/./u`. https://mths.be/es6#sec-atom +var DOT_SET_UNICODE = UNICODE_SET.clone() // all Unicode code points + .remove( + // minus `LineTerminator`s (https://mths.be/es6#sec-line-terminators): + 0x000A, // Line Feed <LF> + 0x000D, // Carriage Return <CR> + 0x2028, // Line Separator <LS> + 0x2029 // Paragraph Separator <PS> + ); +// Prepare a Regenerate set containing all code points that are supposed to be +// matched by `/./` (only BMP code points). +var DOT_SET = DOT_SET_UNICODE.clone() + .intersection(BMP_SET); + +// Add a range of code points + any case-folded code points in that range to a +// set. +regenerate.prototype.iuAddRange = function(min, max) { + var $this = this; + do { + var folded = caseFold(min); + if (folded) { + $this.add(folded); + } + } while (++min <= max); + return $this; +}; + +function assign(target, source) { + for (var key in source) { + // Note: `hasOwnProperty` is not needed here. + target[key] = source[key]; + } +} + +function update(item, pattern) { + // TODO: Test if memoizing `pattern` here is worth the effort. + if (!pattern) { + return; + } + var tree = parse(pattern, ''); + switch (tree.type) { + case 'characterClass': + case 'group': + case 'value': + // No wrapping needed. + break; + default: + // Wrap the pattern in a non-capturing group. + tree = wrap(tree, pattern); + } + assign(item, tree); +} + +function wrap(tree, pattern) { + // Wrap the pattern in a non-capturing group. + return { + 'type': 'group', + 'behavior': 'ignore', + 'body': [tree], + 'raw': '(?:' + pattern + ')' + }; +} + +function caseFold(codePoint) { + return has(iuMappings, codePoint) ? iuMappings[codePoint] : false; +} + +var ignoreCase = false; +var unicode = false; +function processCharacterClass(characterClassItem) { + var set = regenerate(); + var body = characterClassItem.body.forEach(function(item) { + switch (item.type) { + case 'value': + set.add(item.codePoint); + if (ignoreCase && unicode) { + var folded = caseFold(item.codePoint); + if (folded) { + set.add(folded); + } + } + break; + case 'characterClassRange': + var min = item.min.codePoint; + var max = item.max.codePoint; + set.addRange(min, max); + if (ignoreCase && unicode) { + set.iuAddRange(min, max); + } + break; + case 'characterClassEscape': + set.add(getCharacterClassEscapeSet(item.value)); + break; + // The `default` clause is only here as a safeguard; it should never be + // reached. Code coverage tools should ignore it. + /* istanbul ignore next */ + default: + throw Error('Unknown term type: ' + item.type); + } + }); + if (characterClassItem.negative) { + set = (unicode ? UNICODE_SET : BMP_SET).clone().remove(set); + } + update(characterClassItem, set.toString()); + return characterClassItem; +} + +function processTerm(item) { + switch (item.type) { + case 'dot': + update( + item, + (unicode ? DOT_SET_UNICODE : DOT_SET).toString() + ); + break; + case 'characterClass': + item = processCharacterClass(item); + break; + case 'characterClassEscape': + update( + item, + getCharacterClassEscapeSet(item.value).toString() + ); + break; + case 'alternative': + case 'disjunction': + case 'group': + case 'quantifier': + item.body = item.body.map(processTerm); + break; + case 'value': + var codePoint = item.codePoint; + var set = regenerate(codePoint); + if (ignoreCase && unicode) { + var folded = caseFold(codePoint); + if (folded) { + set.add(folded); + } + } + update(item, set.toString()); + break; + case 'anchor': + case 'empty': + case 'group': + case 'reference': + // Nothing to do here. + break; + // The `default` clause is only here as a safeguard; it should never be + // reached. Code coverage tools should ignore it. + /* istanbul ignore next */ + default: + throw Error('Unknown term type: ' + item.type); + } + return item; +}; + +module.exports = function(pattern, flags) { + var tree = parse(pattern, flags); + ignoreCase = flags ? flags.indexOf('i') > -1 : false; + unicode = flags ? flags.indexOf('u') > -1 : false; + assign(tree, processTerm(tree)); + return generate(tree); +}; |