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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://ecma-international.org/ecma-262/13.0/#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
- };
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