1 | 'use strict';
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2 |
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3 | var $TypeError = require('es-errors/type');
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4 |
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5 | var ArrayCreate = require('./ArrayCreate');
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6 | var CreateDataPropertyOrThrow = require('./CreateDataPropertyOrThrow');
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7 | var GetMatchIndexPair = require('./GetMatchIndexPair');
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8 | var IsArray = require('./IsArray');
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9 | var OrdinaryObjectCreate = require('./OrdinaryObjectCreate');
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10 | var ToString = require('./ToString');
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11 |
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12 | var every = require('../helpers/every');
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13 | var isMatchRecord = require('../helpers/records/match-record');
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14 |
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15 | var isStringOrUndefined = function isStringOrUndefined(s) {
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16 | return typeof s === 'undefined' || typeof s === 'string';
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17 | };
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18 |
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19 | var isMatchRecordOrUndefined = function isMatchRecordOrUndefined(m) {
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20 | return typeof m === 'undefined' || isMatchRecord(m);
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21 | };
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22 |
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23 | var MAX_ARRAY_LENGTH = Math.pow(2, 32) - 1;
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24 |
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25 | // https://262.ecma-international.org/13.0/#sec-getmatchindexpair
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26 |
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27 | module.exports = function MakeMatchIndicesIndexPairArray(S, indices, groupNames, hasGroups) {
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28 | if (typeof S !== 'string') {
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29 | throw new $TypeError('Assertion failed: `S` must be a String');
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30 | }
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31 | if (!IsArray(indices) || !every(indices, isMatchRecordOrUndefined)) {
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32 | throw new $TypeError('Assertion failed: `indices` must be a List of either Match Records or `undefined`');
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33 | }
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34 | if (!IsArray(groupNames) || !every(groupNames, isStringOrUndefined)) {
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35 | throw new $TypeError('Assertion failed: `groupNames` must be a List of either Strings or `undefined`');
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36 | }
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37 | if (typeof hasGroups !== 'boolean') {
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38 | throw new $TypeError('Assertion failed: `hasGroups` must be a Boolean');
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39 | }
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40 |
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41 | var n = indices.length; // step 1
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42 | if (!(n < MAX_ARRAY_LENGTH)) {
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43 | throw new $TypeError('Assertion failed: `indices` length must be less than the max array size, 2**32 - 1');
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44 | }
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45 | if (groupNames.length !== n - 1) {
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46 | throw new $TypeError('Assertion failed: `groupNames` must have exactly one fewer item than `indices`');
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47 | }
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48 |
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49 | var A = ArrayCreate(n); // step 5
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50 | var groups = hasGroups ? OrdinaryObjectCreate(null) : void undefined; // step 6-7
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51 | CreateDataPropertyOrThrow(A, 'groups', groups); // step 8
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52 |
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53 | for (var i = 0; i < n; i += 1) { // step 9
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54 | var matchIndices = indices[i]; // step 9.a
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55 | // eslint-disable-next-line no-negated-condition
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56 | var matchIndexPair = typeof matchIndices !== 'undefined' ? GetMatchIndexPair(S, matchIndices) : void undefined; // step 9.b-9.c
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57 | CreateDataPropertyOrThrow(A, ToString(i), matchIndexPair); // step 9.d
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58 | if (i > 0 && typeof groupNames[i - 1] !== 'undefined') { // step 9.e
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59 | if (!groups) {
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60 | throw new $TypeError('if `hasGroups` is `false`, `groupNames` can only contain `undefined` values');
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61 | }
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62 | CreateDataPropertyOrThrow(groups, groupNames[i - 1], matchIndexPair); // step 9.e.i
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63 | }
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64 | }
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65 | return A; // step 10
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66 | };
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