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codeql-action/node_modules/es-abstract/2022/MakeMatchIndicesIndexPairArray.js
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'use strict'; | |
var GetIntrinsic = require('get-intrinsic'); | |
var $TypeError = GetIntrinsic('%TypeError%'); | |
var ArrayCreate = require('./ArrayCreate'); | |
var CreateDataPropertyOrThrow = require('./CreateDataPropertyOrThrow'); | |
var GetMatchIndexPair = require('./GetMatchIndexPair'); | |
var IsArray = require('./IsArray'); | |
var OrdinaryObjectCreate = require('./OrdinaryObjectCreate'); | |
var ToString = require('./ToString'); | |
var Type = require('./Type'); | |
var every = require('../helpers/every'); | |
var isMatchRecord = require('../helpers/isMatchRecord'); | |
var isStringOrUndefined = function isStringOrUndefined(s) { | |
return typeof s === 'undefined' || typeof s === 'string'; | |
}; | |
var isMatchRecordOrUndefined = function isMatchRecordOrUndefined(m) { | |
return typeof m === 'undefined' || isMatchRecord(m); | |
}; | |
var MAX_ARRAY_LENGTH = Math.pow(2, 32) - 1; | |
// https://262.ecma-international.org/13.0/#sec-getmatchindexpair | |
module.exports = function MakeMatchIndicesIndexPairArray(S, indices, groupNames, hasGroups) { | |
if (Type(S) !== 'String') { | |
throw new $TypeError('Assertion failed: `S` must be a String'); | |
} | |
if (!IsArray(indices) || !every(indices, isMatchRecordOrUndefined)) { | |
throw new $TypeError('Assertion failed: `indices` must be a List of either Match Records or `undefined`'); | |
} | |
if (!IsArray(groupNames) || !every(groupNames, isStringOrUndefined)) { | |
throw new $TypeError('Assertion failed: `groupNames` must be a List of either Strings or `undefined`'); | |
} | |
if (Type(hasGroups) !== 'Boolean') { | |
throw new $TypeError('Assertion failed: `hasGroups` must be a Boolean'); | |
} | |
var n = indices.length; // step 1 | |
if (!(n < MAX_ARRAY_LENGTH)) { | |
throw new $TypeError('Assertion failed: `indices` length must be less than the max array size, 2**32 - 1'); | |
} | |
if (groupNames.length !== n - 1) { | |
throw new $TypeError('Assertion failed: `groupNames` must have exactly one fewer item than `indices`'); | |
} | |
var A = ArrayCreate(n); // step 5 | |
var groups = hasGroups ? OrdinaryObjectCreate(null) : void undefined; // step 6-7 | |
CreateDataPropertyOrThrow(A, 'groups', groups); // step 8 | |
for (var i = 0; i < n; i += 1) { // step 9 | |
var matchIndices = indices[i]; // step 9.a | |
// eslint-disable-next-line no-negated-condition | |
var matchIndexPair = typeof matchIndices !== 'undefined' ? GetMatchIndexPair(S, matchIndices) : void undefined; // step 9.b-9.c | |
CreateDataPropertyOrThrow(A, ToString(i), matchIndexPair); // step 9.d | |
if (i > 0 && typeof groupNames[i - 1] !== 'undefined') { // step 9.e | |
if (!groups) { | |
throw new $TypeError('if `hasGroups` is `false`, `groupNames` can only contain `undefined` values'); | |
} | |
CreateDataPropertyOrThrow(groups, groupNames[i - 1], matchIndexPair); // step 9.e.i | |
} | |
} | |
return A; // step 10 | |
}; |