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feat: refactoring project

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This commit is contained in:
Carlos
2024-11-23 14:56:07 -05:00
parent f0c2a50c18
commit 1c6db5818d
2351 changed files with 39323 additions and 60326 deletions
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357
node_modules/regexpu-core/rewrite-pattern.js generated vendored
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@ -1,12 +1,15 @@
'use strict';
const generate = require('@babel/regjsgen').generate;
const generate = require('regjsgen').generate;
const parse = require('regjsparser').parse;
const regenerate = require('regenerate');
const unicodeMatchProperty = require('unicode-match-property-ecmascript');
const unicodeMatchPropertyValue = require('unicode-match-property-value-ecmascript');
const iuMappings = require('./data/iu-mappings.js');
const iBMPMappings = require('./data/i-bmp-mappings.js');
const iuFoldings = require('./data/iu-foldings.js');
const ESCAPE_SETS = require('./data/character-class-escape-sets.js');
const { UNICODE_SET, UNICODE_IV_SET } = require('./data/all-characters.js');
function flatMap(array, callback) {
const result = [];
@ -21,11 +24,13 @@ function flatMap(array, callback) {
return result;
}
const SPECIAL_CHARS = /([\\^$.*+?()[\]{}|])/g;
function regenerateContainsAstral(regenerateData) {
const data = regenerateData.data;
return data.length >= 1 && data[data.length - 1] >= 0x10000;
}
// Prepare a Regenerate set containing all code points, used for negative
// character classes (if any).
const UNICODE_SET = regenerate().addRange(0x0, 0x10FFFF);
// https://tc39.es/ecma262/#prod-SyntaxCharacter
const SYNTAX_CHARS = /[\\^$.*+?()[\]{}|]/g;
const ASTRAL_SET = regenerate().addRange(0x10000, 0x10FFFF);
@ -42,10 +47,15 @@ const NEWLINE_SET = regenerate().add(
const DOT_SET_UNICODE = UNICODE_SET.clone() // all Unicode code points
.remove(NEWLINE_SET);
const getCharacterClassEscapeSet = (character, unicode, ignoreCase) => {
const getCharacterClassEscapeSet = (character, unicode, ignoreCase, shouldApplySCF) => {
if (unicode) {
if (ignoreCase) {
return ESCAPE_SETS.UNICODE_IGNORE_CASE.get(character);
const result = ESCAPE_SETS.UNICODE_IGNORE_CASE.get(character);
if (shouldApplySCF) {
return ESCAPE_SETS.UNICODESET_IGNORE_CASE.get(character);
} else {
return result;
}
}
return ESCAPE_SETS.UNICODE.get(character);
}
@ -89,7 +99,7 @@ const handleLoneUnicodePropertyNameOrValue = (value) => {
return getUnicodePropertyValueSet(property);
};
const getUnicodePropertyEscapeSet = (value, isNegative) => {
const getUnicodePropertyEscapeSet = (value, isNegative, isUnicodeSetIgnoreCase) => {
const parts = value.split('=');
const firstPart = parts[0];
let set;
@ -106,7 +116,7 @@ const getUnicodePropertyEscapeSet = (value, isNegative) => {
throw new Error('Cannot negate Unicode property of strings');
}
return {
characters: UNICODE_SET.clone().remove(set.characters),
characters: (isUnicodeSetIgnoreCase ? UNICODE_IV_SET : UNICODE_SET).clone().remove(set.characters),
strings: new Set()
};
}
@ -114,15 +124,25 @@ const getUnicodePropertyEscapeSet = (value, isNegative) => {
characters: set.characters.clone(),
strings: set.strings
// We need to escape strings like *️⃣ to make sure that they can be safely used in unions.
? new Set(set.strings.map(str => str.replace(SPECIAL_CHARS, '\\$1')))
? new Set(set.strings.map(str => str.replace(SYNTAX_CHARS, '\\$&')))
: new Set()
};
};
const getUnicodePropertyEscapeCharacterClassData = (property, isNegative) => {
const set = getUnicodePropertyEscapeSet(property, isNegative);
const getUnicodePropertyEscapeCharacterClassData = (property, isNegative, isUnicodeSetIgnoreCase, shouldApplySCF) => {
const set = getUnicodePropertyEscapeSet(property, isNegative, isUnicodeSetIgnoreCase);
const data = getCharacterClassEmptyData();
data.singleChars = set.characters;
const singleChars = shouldApplySCF ? regenerate(set.characters.toArray().map(ch => simpleCaseFolding(ch))) : set.characters;
const caseEqFlags = configGetCaseEqFlags();
if (caseEqFlags) {
for (const codepoint of singleChars.toArray()) {
const list = getCaseEquivalents(codepoint, caseEqFlags);
if (list) {
singleChars.add(list);
}
}
}
data.singleChars = singleChars;
if (set.strings.size > 0) {
data.longStrings = set.strings;
data.maybeIncludesStrings = true;
@ -130,35 +150,45 @@ const getUnicodePropertyEscapeCharacterClassData = (property, isNegative) => {
return data;
};
function configNeedCaseFoldAscii() {
return !!config.modifiersData.i;
const CASE_EQ_FLAG_NONE = 0b00;
const CASE_EQ_FLAG_BMP = 0b01;
const CASE_EQ_FLAG_UNICODE = 0b10;
function configGetCaseEqFlags() {
let flags = CASE_EQ_FLAG_NONE;
if (config.modifiersData.i === true) {
if (config.transform.modifiers) {
flags |= CASE_EQ_FLAG_BMP;
if (config.flags.unicode || config.flags.unicodeSets) {
flags |= CASE_EQ_FLAG_UNICODE;
}
}
} else if (config.modifiersData.i === undefined) {
if (config.transform.unicodeFlag && config.flags.ignoreCase) {
flags |= CASE_EQ_FLAG_UNICODE;
}
}
return flags;
}
function configNeedCaseFoldUnicode() {
// config.modifiersData.i : undefined | false
if (config.modifiersData.i === false) return false;
if (!config.transform.unicodeFlag) return false;
return Boolean(config.modifiersData.i || config.flags.ignoreCase);
}
// Given a range of code points, add any case-folded code points in that range
// Given a range of code points, add any case-equivalent code points in that range
// to a set.
regenerate.prototype.iuAddRange = function(min, max) {
regenerate.prototype.iuAddRange = function(min, max, caseEqFlags) {
const $this = this;
do {
const folded = caseFold(min, configNeedCaseFoldAscii(), configNeedCaseFoldUnicode());
if (folded) {
$this.add(folded);
const list = getCaseEquivalents(min, caseEqFlags);
if (list) {
$this.add(list);
}
} while (++min <= max);
return $this;
};
regenerate.prototype.iuRemoveRange = function(min, max) {
regenerate.prototype.iuRemoveRange = function(min, max, caseEqFlags) {
const $this = this;
do {
const folded = caseFold(min, configNeedCaseFoldAscii(), configNeedCaseFoldUnicode());
if (folded) {
$this.remove(folded);
const list = getCaseEquivalents(min, caseEqFlags);
if (list) {
$this.remove(list);
}
} while (++min <= max);
return $this;
@ -195,19 +225,50 @@ const wrap = (tree, pattern) => {
};
};
const caseFold = (codePoint, includeAscii, includeUnicode) => {
let folded = (includeUnicode ? iuMappings.get(codePoint) : undefined) || [];
if (typeof folded === 'number') folded = [folded];
if (includeAscii) {
if (codePoint >= 0x41 && codePoint <= 0x5A) {
folded.push(codePoint + 0x20);
} else if (codePoint >= 0x61 && codePoint <= 0x7A) {
folded.push(codePoint - 0x20);
/**
* Given any codepoint ch, returns false or an array of characters,
* such that for every c in the array,
* c != ch and Canonicalize(~, c) == Canonicalize(~, ch)
*
* where Canonicalize is defined in
* https://tc39.es/ecma262/#sec-runtime-semantics-canonicalize-ch
* @param {number} codePoint input code point
* @param {number} flags bitwise flags composed of CASE_EQ_FLAG_*
* @returns false | number[]
*/
const getCaseEquivalents = (codePoint, flags) => {
if (flags === CASE_EQ_FLAG_NONE) {
return false;
}
let result = ((flags & CASE_EQ_FLAG_UNICODE) ? iuMappings.get(codePoint) : undefined) || [];
if (typeof result === "number") result = [result];
if (flags & CASE_EQ_FLAG_BMP) {
for (const cp of [codePoint].concat(result)) {
// Fast path for ASCII characters
if (cp >= 0x41 && cp <= 0x5a) {
result.push(cp + 0x20);
} else if (cp >= 0x61 && cp <= 0x7a) {
result.push(cp - 0x20);
} else {
result = result.concat(iBMPMappings.get(cp) || []);
}
}
}
return folded.length == 0 ? false : folded;
return result.length == 0 ? false : result;
};
// https://tc39.es/ecma262/#sec-maybesimplecasefolding
const simpleCaseFolding = (codePoint) => {
// Fast path for ASCII characters
if (codePoint <= 0x7F) {
if (codePoint >= 0x41 && codePoint <= 0x5A) {
return codePoint + 0x20;
}
return codePoint;
}
return iuFoldings.get(codePoint) || codePoint;
}
const buildHandler = (action) => {
switch (action) {
case 'union':
@ -221,8 +282,8 @@ const buildHandler = (action) => {
range: (data, start, end) => {
data.singleChars.addRange(start, end);
},
iuRange: (data, start, end) => {
data.singleChars.iuAddRange(start, end);
iuRange: (data, start, end, caseEqFlags) => {
data.singleChars.iuAddRange(start, end, caseEqFlags);
},
nested: (data, nestedData) => {
data.singleChars.add(nestedData.singleChars);
@ -243,8 +304,8 @@ const buildHandler = (action) => {
range: (data, start, end) => {
data.singleChars = UNICODE_SET.clone().removeRange(start, end).add(data.singleChars);
},
iuRange: (data, start, end) => {
data.singleChars = UNICODE_SET.clone().iuRemoveRange(start, end).add(data.singleChars);
iuRange: (data, start, end, caseEqFlags) => {
data.singleChars = UNICODE_SET.clone().iuRemoveRange(start, end, caseEqFlags).add(data.singleChars);
},
nested: (data, nestedData) => {
regSet(data, nestedData.singleChars);
@ -274,9 +335,9 @@ const buildHandler = (action) => {
data.longStrings.clear();
data.maybeIncludesStrings = false;
},
iuRange: (data, start, end) => {
if (data.first) data.singleChars.iuAddRange(start, end);
else data.singleChars.intersection(regenerate().iuAddRange(start, end));
iuRange: (data, start, end, caseEqFlags) => {
if (data.first) data.singleChars.iuAddRange(start, end, caseEqFlags);
else data.singleChars.intersection(regenerate().iuAddRange(start, end, caseEqFlags));
data.longStrings.clear();
data.maybeIncludesStrings = false;
},
@ -310,9 +371,9 @@ const buildHandler = (action) => {
if (data.first) data.singleChars.addRange(start, end);
else data.singleChars.removeRange(start, end);
},
iuRange: (data, start, end) => {
if (data.first) data.singleChars.iuAddRange(start, end);
else data.singleChars.iuRemoveRange(start, end);
iuRange: (data, start, end, caseEqFlags) => {
if (data.first) data.singleChars.iuAddRange(start, end, caseEqFlags);
else data.singleChars.iuRemoveRange(start, end, caseEqFlags);
},
nested: (data, nestedData) => {
regSet(data, nestedData.singleChars);
@ -330,7 +391,7 @@ const buildHandler = (action) => {
}
// The `default` clause is only here as a safeguard; it should never be
// reached. Code coverage tools should ignore it.
/* istanbul ignore next */
/* node:coverage ignore next */
default:
throw new Error(`Unknown set action: ${ characterClassItem.kind }`);
}
@ -345,42 +406,40 @@ const getCharacterClassEmptyData = () => ({
maybeIncludesStrings: false
});
const maybeFold = (codePoint) => {
const caseFoldAscii = configNeedCaseFoldAscii();
const caseFoldUnicode = configNeedCaseFoldUnicode();
if (caseFoldAscii || caseFoldUnicode) {
const folded = caseFold(codePoint, caseFoldAscii, caseFoldUnicode);
if (folded) {
return [codePoint, folded];
}
const concatCaseEquivalents = (codePoint, caseEqFlags) => {
const caseEquivalents = getCaseEquivalents(codePoint, caseEqFlags);
if (caseEquivalents) {
return [codePoint, ...caseEquivalents];
}
return [codePoint];
};
const computeClassStrings = (classStrings, regenerateOptions) => {
const computeClassStrings = (classStrings, regenerateOptions, caseEqFlags, shouldApplySCF) => {
let data = getCharacterClassEmptyData();
const caseFoldAscii = configNeedCaseFoldAscii();
const caseFoldUnicode = configNeedCaseFoldUnicode();
for (const string of classStrings.strings) {
if (string.characters.length === 1) {
maybeFold(string.characters[0].codePoint).forEach((cp) => {
const codePoint = shouldApplySCF ? simpleCaseFolding(string.characters[0].codePoint) : string.characters[0].codePoint
concatCaseEquivalents(codePoint, caseEqFlags).forEach((cp) => {
data.singleChars.add(cp);
});
} else {
let stringifiedString;
if (caseFoldUnicode || caseFoldAscii) {
stringifiedString = '';
let stringifiedString = '';
if (caseEqFlags) {
for (const ch of string.characters) {
let set = regenerate(ch.codePoint);
const folded = maybeFold(ch.codePoint);
if (folded) set.add(folded);
const codePoint = shouldApplySCF ? simpleCaseFolding(ch.codePoint) : ch.codePoint;
const set = regenerate(concatCaseEquivalents(codePoint, caseEqFlags));
stringifiedString += set.toString(regenerateOptions);
}
} else {
stringifiedString = string.characters.map(ch => generate(ch)).join('')
for (const ch of string.characters) {
const codePoint = shouldApplySCF ? simpleCaseFolding(ch.codePoint) : ch.codePoint;
if (codePoint !== ch.codePoint) {
stringifiedString += regenerate(codePoint).toString(regenerateOptions);
} else {
stringifiedString += generate(ch);
}
}
}
data.longStrings.add(stringifiedString);
@ -391,12 +450,14 @@ const computeClassStrings = (classStrings, regenerateOptions) => {
return data;
}
const computeCharacterClass = (characterClassItem, regenerateOptions) => {
const computeCharacterClass = (characterClassItem, regenerateOptions, shouldApplySCF) => {
let data = getCharacterClassEmptyData();
let handlePositive;
let handleNegative;
let caseEqFlags = configGetCaseEqFlags();
switch (characterClassItem.kind) {
case 'union':
handlePositive = buildHandler('union');
@ -406,66 +467,88 @@ const computeCharacterClass = (characterClassItem, regenerateOptions) => {
handlePositive = buildHandler('intersection');
handleNegative = buildHandler('subtraction');
if (config.transform.unicodeSetsFlag) data.transformed = true;
if (config.isIgnoreCaseMode) {
shouldApplySCF = true;
}
break;
case 'subtraction':
handlePositive = buildHandler('subtraction');
handleNegative = buildHandler('intersection');
if (config.transform.unicodeSetsFlag) data.transformed = true;
if (config.isIgnoreCaseMode) {
shouldApplySCF = true;
}
break;
// The `default` clause is only here as a safeguard; it should never be
// reached. Code coverage tools should ignore it.
/* istanbul ignore next */
/* node:coverage ignore next */
default:
throw new Error(`Unknown character class kind: ${ characterClassItem.kind }`);
}
const caseFoldAscii = configNeedCaseFoldAscii();
const caseFoldUnicode = configNeedCaseFoldUnicode();
for (const item of characterClassItem.body) {
switch (item.type) {
case 'value':
maybeFold(item.codePoint).forEach((cp) => {
handlePositive.single(data, cp);
});
const codePoint = shouldApplySCF ? simpleCaseFolding(item.codePoint) : item.codePoint;
const list = concatCaseEquivalents(codePoint, caseEqFlags);
handlePositive.regSet(data, regenerate(list));
if (list.length > 1) {
data.transformed = true;
}
break;
case 'characterClassRange':
const min = item.min.codePoint;
const max = item.max.codePoint;
handlePositive.range(data, min, max);
if (caseFoldAscii || caseFoldUnicode) {
handlePositive.iuRange(data, min, max);
if (shouldApplySCF) {
let list = [];
for (let cp = min; cp <= max; cp++) {
list.push(simpleCaseFolding(cp));
}
handlePositive.regSet(data, regenerate(list));
} else {
handlePositive.range(data, min, max);
}
if (caseEqFlags) {
// If shouldApplySCF is true, it is still ok to call iuRange because
// the set [min, max] shares the same case equivalents with scf([min, max])
handlePositive.iuRange(data, min, max, caseEqFlags);
data.transformed = true;
}
break;
case 'characterClassEscape':
handlePositive.regSet(data, getCharacterClassEscapeSet(
item.value,
config.flags.unicode,
config.flags.ignoreCase
config.flags.unicode || config.flags.unicodeSets,
config.flags.ignoreCase,
shouldApplySCF
));
break;
case 'unicodePropertyEscape':
const nestedData = getUnicodePropertyEscapeCharacterClassData(item.value, item.negative);
const nestedData = getUnicodePropertyEscapeCharacterClassData(
item.value,
item.negative,
config.flags.unicodeSets && config.isIgnoreCaseMode,
shouldApplySCF
);
handlePositive.nested(data, nestedData);
data.transformed =
data.transformed ||
config.transform.unicodePropertyEscapes ||
(config.transform.unicodeSetsFlag && nestedData.maybeIncludesStrings);
(config.transform.unicodeSetsFlag && (nestedData.maybeIncludesStrings || characterClassItem.kind !== "union" || item.negative));
break;
case 'characterClass':
const handler = item.negative ? handleNegative : handlePositive;
const res = computeCharacterClass(item, regenerateOptions);
const res = computeCharacterClass(item, regenerateOptions, shouldApplySCF);
handler.nested(data, res);
data.transformed = true;
break;
case 'classStrings':
handlePositive.nested(data, computeClassStrings(item, regenerateOptions));
handlePositive.nested(data, computeClassStrings(item, regenerateOptions, caseEqFlags, shouldApplySCF));
data.transformed = true;
break;
// The `default` clause is only here as a safeguard; it should never be
// reached. Code coverage tools should ignore it.
/* istanbul ignore next */
/* node:coverage ignore next */
default:
throw new Error(`Unknown term type: ${ item.type }`);
}
@ -488,13 +571,15 @@ const processCharacterClass = (
const negative = characterClassItem.negative;
const { singleChars, transformed, longStrings } = computed;
if (transformed) {
const setStr = singleChars.toString(regenerateOptions);
// If single chars already contains some astral character, regenerate (bmpOnly: true) will create valid regex strings
const bmpOnly = regenerateContainsAstral(singleChars);
const setStr = singleChars.toString(Object.assign({}, regenerateOptions, { bmpOnly: bmpOnly }));
if (negative) {
if (config.useUnicodeFlag) {
update(characterClassItem, `[^${setStr[0] === '[' ? setStr.slice(1, -1) : setStr}]`)
} else {
if (config.flags.unicode) {
if (config.flags.unicode || config.flags.unicodeSets) {
if (config.flags.ignoreCase) {
const astralCharsSet = singleChars.clone().intersection(ASTRAL_SET);
// Assumption: singleChars do not contain lone surrogates.
@ -514,17 +599,15 @@ const processCharacterClass = (
// The transform here does not support lone surrogates.
update(
characterClassItem,
`(?!${surrogateOrBMPSetStr})[\\s\\S]|${astralNegativeSetStr}`
`(?!${surrogateOrBMPSetStr})[^]|${astralNegativeSetStr}`
);
} else {
// Generate negative set directly when case folding is not involved.
update(
characterClassItem,
UNICODE_SET.clone().remove(singleChars).toString(regenerateOptions)
);
const negativeSet = UNICODE_SET.clone().remove(singleChars);
update(characterClassItem, negativeSet.toString(regenerateOptions));
}
} else {
update(characterClassItem, `(?!${setStr})[\\s\\S]`);
update(characterClassItem, `(?!${setStr})[^]`);
}
}
} else {
@ -552,17 +635,19 @@ const processModifiers = (item, regenerateOptions, groups) => {
const enabling = item.modifierFlags.enabling;
const disabling = item.modifierFlags.disabling;
delete item.modifierFlags;
item.behavior = 'ignore';
const oldData = Object.assign({}, config.modifiersData);
enabling.split('').forEach(flag => {
for (const flag of enabling) {
config.modifiersData[flag] = true;
});
disabling.split('').forEach(flag => {
}
for (const flag of disabling) {
config.modifiersData[flag] = false;
});
}
if (config.transform.modifiers) {
delete item.modifierFlags;
item.behavior = 'ignore';
}
item.body = item.body.map(term => {
return processTerm(term, regenerateOptions, groups);
@ -579,18 +664,18 @@ const processTerm = (item, regenerateOptions, groups) => {
if (config.transform.unicodeFlag) {
update(
item,
getUnicodeDotSet(config.flags.dotAll || config.modifiersData.s).toString(regenerateOptions)
getUnicodeDotSet(config.isDotAllMode).toString(regenerateOptions)
);
} else if (config.transform.dotAllFlag || config.modifiersData.s) {
} else if ((config.modifiersData.s != null ? config.modifiersData.s && config.transform.modifiers : config.transform.dotAllFlag)) {
// TODO: consider changing this at the regenerate level.
update(item, '[\\s\\S]');
update(item, '[^]');
}
break;
case 'characterClass':
item = processCharacterClass(item, regenerateOptions);
break;
case 'unicodePropertyEscape':
const data = getUnicodePropertyEscapeCharacterClassData(item.value, item.negative);
const data = getUnicodePropertyEscapeCharacterClassData(item.value, item.negative, config.flags.unicodeSets && config.isIgnoreCaseMode);
if (data.maybeIncludesStrings) {
if (!config.flags.unicodeSets) {
throw new Error(
@ -601,7 +686,7 @@ const processTerm = (item, regenerateOptions, groups) => {
data.transformed = true;
item = processCharacterClass(item, regenerateOptions, data);
}
} else if (config.transform.unicodePropertyEscapes) {
} else if (config.transform.unicodePropertyEscapes || configGetCaseEqFlags()) {
update(
item,
data.singleChars.toString(regenerateOptions)
@ -652,7 +737,7 @@ const processTerm = (item, regenerateOptions, groups) => {
delete groups.unmatchedReferences[name];
}
}
if (item.modifierFlags && config.transform.modifiers) {
if (item.modifierFlags) {
return processModifiers(item, regenerateOptions, groups);
}
/* falls through */
@ -677,9 +762,13 @@ const processTerm = (item, regenerateOptions, groups) => {
break;
case 'value':
const codePoint = item.codePoint;
const set = regenerate(codePoint);
const folded = maybeFold(codePoint);
set.add(folded);
const caseEqFlags = configGetCaseEqFlags();
const list = concatCaseEquivalents(codePoint, caseEqFlags);
if (list.length === 1 && item.kind === "symbol" && codePoint >= 0x20 && codePoint <= 0x7E) {
// skip regenerate when it is a printable ASCII symbol
break;
}
const set = regenerate(list);
update(item, set.toString(regenerateOptions));
break;
case 'reference':
@ -719,7 +808,7 @@ const processTerm = (item, regenerateOptions, groups) => {
}
break;
case 'anchor':
if (config.modifiersData.m) {
if (config.modifiersData.m && config.transform.modifiers) {
if (item.kind == 'start') {
update(item, `(?:^|(?<=${NEWLINE_SET.toString()}))`);
} else if (item.kind == 'end') {
@ -731,7 +820,7 @@ const processTerm = (item, regenerateOptions, groups) => {
break;
// The `default` clause is only here as a safeguard; it should never be
// reached. Code coverage tools should ignore it.
/* istanbul ignore next */
/* node:coverage ignore next */
default:
throw new Error(`Unknown term type: ${ item.type }`);
}
@ -761,6 +850,12 @@ const config = {
},
get useUnicodeFlag() {
return (this.flags.unicode || this.flags.unicodeSets) && !this.transform.unicodeFlag;
},
get isDotAllMode() {
return (this.modifiersData.s !== undefined ? this.modifiersData.s : this.flags.dotAll);
},
get isIgnoreCaseMode() {
return (this.modifiersData.i !== undefined ? this.modifiersData.i : this.flags.ignoreCase);
}
};
@ -773,13 +868,14 @@ const validateOptions = (options) => {
case 'dotAllFlag':
case 'unicodeFlag':
case 'unicodePropertyEscapes':
case 'unicodeSetsFlag':
case 'namedGroups':
if (value != null && value !== false && value !== 'transform') {
throw new Error(`.${key} must be false (default) or 'transform'.`);
}
break;
// todo: remove modifiers: 'parse' in regexpu-core v7
case 'modifiers':
case 'unicodeSetsFlag':
if (value != null && value !== false && value !== 'parse' && value !== 'transform') {
throw new Error(`.${key} must be false (default), 'parse' or 'transform'.`);
}
@ -813,7 +909,7 @@ const rewritePattern = (pattern, flags, options) => {
config.transform.unicodeSetsFlag = config.flags.unicodeSets && transform(options, 'unicodeSetsFlag');
// unicodeFlag: 'transform' implies unicodePropertyEscapes: 'transform'
config.transform.unicodePropertyEscapes = config.flags.unicode && (
config.transform.unicodePropertyEscapes = (config.flags.unicode || config.flags.unicodeSets) && (
transform(options, 'unicodeFlag') || transform(options, 'unicodePropertyEscapes')
);
config.transform.namedGroups = transform(options, 'namedGroups');
@ -824,18 +920,17 @@ const rewritePattern = (pattern, flags, options) => {
config.modifiersData.m = undefined;
const regjsparserFeatures = {
'unicodeSet': Boolean(options && options.unicodeSetsFlag),
'modifiers': Boolean(options && options.modifiers),
// Enable every stable RegExp feature by default
'modifiers': true,
'unicodePropertyEscape': true,
'unicodeSet': true,
'namedGroups': true,
'lookbehind': true,
};
const regenerateOptions = {
'hasUnicodeFlag': config.useUnicodeFlag,
'bmpOnly': !config.flags.unicode
'bmpOnly': !config.flags.unicode && !config.flags.unicodeSets
};
const groups = {
@ -862,10 +957,8 @@ const rewritePattern = (pattern, flags, options) => {
for (const key of Object.keys(node)) {
const value = node[key];
if (key == 'modifierFlags') {
if (value.disabling.length > 0){
value.disabling.split('').forEach((flag)=>{
allDisabledModifiers[flag] = true
});
for (const flag of value.disabling) {
allDisabledModifiers[flag] = true;
}
} else if (typeof value == 'object' && value != null) {
itemStack.push(value);
@ -873,8 +966,14 @@ const rewritePattern = (pattern, flags, options) => {
}
}
}
for (const flag of Object.keys(allDisabledModifiers)) {
config.modifiersData[flag] = true;
if (allDisabledModifiers.i) {
config.modifiersData.i = config.flags.ignoreCase;
}
if (allDisabledModifiers.m) {
config.modifiersData.m = config.flags.multiline;
}
if (allDisabledModifiers.s) {
config.modifiersData.s = config.flags.dotAll;
}
}
}
@ -892,7 +991,7 @@ const rewritePattern = (pattern, flags, options) => {
if (config.transform.unicodeFlag) {
newFlags = newFlags.replace('u', '');
}
if (config.transform.dotAllFlag === 'transform') {
if (config.transform.dotAllFlag) {
newFlags = newFlags.replace('s', '');
}
onNewFlags(newFlags);