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237 lines
8.8 KiB
237 lines
8.8 KiB
'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.uniteEntries = exports.uniteRules = undefined;
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var _unionWith2 = require('lodash/unionWith');
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var _unionWith3 = _interopRequireDefault(_unionWith2);
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var _differenceWith2 = require('lodash/differenceWith');
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var _differenceWith3 = _interopRequireDefault(_differenceWith2);
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var _mergeWith2 = require('lodash/mergeWith');
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var _mergeWith3 = _interopRequireDefault(_mergeWith2);
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var _isEqual2 = require('lodash/isEqual');
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var _isEqual3 = _interopRequireDefault(_isEqual2);
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var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }
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var isArray = Array.isArray;
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function uniteRules(rules, key, newRule, rule) {
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if (String(rule.test) !== String(newRule.test) || (newRule.enforce || rule.enforce) && rule.enforce !== newRule.enforce || newRule.include && !isSameValue(rule.include, newRule.include) || newRule.exclude && !isSameValue(rule.exclude, newRule.exclude)) {
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return false;
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} else if (!rule.test && !rule.include && !rule.exclude && (rule.loader && rule.loader.split('?')[0]) !== (newRule.loader && newRule.loader.split('?')[0])) {
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// Don't merge the rule if there isn't any identifying fields and the loaders don't match
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return false;
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} else if ((rule.include || rule.exclude) && !newRule.include && !newRule.exclude) {
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// Don't merge child without include/exclude to parent that has either
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return false;
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}
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// apply the same logic for oneOf
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if (rule.oneOf && newRule.oneOf) {
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rule.oneOf = (0, _unionWith3.default)(rule.oneOf, newRule.oneOf, uniteRules.bind(null, {}, 'oneOf'));
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return true;
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}
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// newRule.loader should always override use, loaders and oneOf
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if (newRule.loader) {
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var optionsKey = newRule.options ? 'options' : newRule.query && 'query';
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delete rule.use;
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delete rule.loaders;
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delete rule.oneOf;
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rule.loader = newRule.loader;
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if (optionsKey) {
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rule[optionsKey] = newRule[optionsKey];
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}
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} else if (newRule.oneOf) {
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delete rule.use;
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delete rule.loaders;
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delete rule.loader;
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rule.oneOf = newRule.oneOf;
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} else if ((rule.use || rule.loaders || rule.loader) && (newRule.use || newRule.loaders)) {
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var expandEntry = function expandEntry(loader) {
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return typeof loader === 'string' ? { loader: loader } : loader;
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};
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// this is only here to avoid breaking existing tests
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var unwrapEntry = function unwrapEntry(entry) {
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return !entry.options && !entry.query ? entry.loader : entry;
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};
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var entries = void 0;
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if (rule.loader) {
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var _optionsKey = rule.options ? 'options' : rule.query && 'query';
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entries = [{ loader: rule.loader }];
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if (_optionsKey) {
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entries[0][_optionsKey] = rule[_optionsKey];
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}
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delete rule.loader;
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if (_optionsKey) {
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delete rule[_optionsKey];
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}
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} else {
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entries = [].concat(rule.use || rule.loaders).map(expandEntry);
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}
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var newEntries = [].concat(newRule.use || newRule.loaders).map(expandEntry);
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var loadersKey = rule.use || newRule.use ? 'use' : 'loaders';
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var resolvedKey = key + '.' + loadersKey;
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switch (rules[resolvedKey]) {
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case 'prepend':
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rule[loadersKey] = [].concat(_toConsumableArray((0, _differenceWith3.default)(newEntries, entries, uniteEntries)), _toConsumableArray(entries)).map(unwrapEntry);
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break;
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case 'replace':
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rule[loadersKey] = newRule.use || newRule.loaders;
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break;
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default:
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rule[loadersKey] = combineEntries(newEntries, entries).map(unwrapEntry);
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}
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}
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if (newRule.include) {
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rule.include = newRule.include;
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}
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if (newRule.exclude) {
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rule.exclude = newRule.exclude;
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}
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return true;
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}
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/**
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* Check equality of two values using lodash's isEqual
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* Arrays need to be sorted for equality checking
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* but clone them first so as not to disrupt the sort order in tests
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*/
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function isSameValue(a, b) {
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var _map = [a, b].map(function (value) {
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return isArray(value) ? [].concat(_toConsumableArray(value)).sort() : value;
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}),
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_map2 = _slicedToArray(_map, 2),
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propA = _map2[0],
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propB = _map2[1];
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return (0, _isEqual3.default)(propA, propB);
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}
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function areEqualEntries(newEntry, entry) {
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var loaderNameRe = /^([^?]+)/ig;
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var _entry$loader$match = entry.loader.match(loaderNameRe),
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_entry$loader$match2 = _slicedToArray(_entry$loader$match, 1),
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loaderName = _entry$loader$match2[0];
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var _newEntry$loader$matc = newEntry.loader.match(loaderNameRe),
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_newEntry$loader$matc2 = _slicedToArray(_newEntry$loader$matc, 1),
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newLoaderName = _newEntry$loader$matc2[0];
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return loaderName === newLoaderName;
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}
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function uniteEntries(newEntry, entry) {
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if (areEqualEntries(newEntry, entry)) {
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// Replace query values with newer ones
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(0, _mergeWith3.default)(entry, newEntry);
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return true;
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}
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return false;
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}
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/* Combines entries and newEntries, while respecting the order of loaders in each.
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Iterates through new entries. If the new entry also exists in existing entries,
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we'll put in all of the loaders from existing entries that come before it (in case
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those are pre-requisites). Any remaining existing entries are added at the end.
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Since webpack processes right-to-left, we're working backwards through the arrays
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*/
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function combineEntries(newEntries, existingEntries) {
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var resultSet = [];
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// We're iterating through newEntries, this keeps track of where we are in the existingEntries
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var existingEntriesIteratorIndex = existingEntries.length - 1;
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for (var i = newEntries.length - 1; i >= 0; i -= 1) {
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var currentEntry = newEntries[i];
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var indexInExistingEntries = findLastIndexUsingComparinator(existingEntries, currentEntry, areEqualEntries, existingEntriesIteratorIndex);
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var hasEquivalentEntryInExistingEntries = indexInExistingEntries !== -1;
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if (hasEquivalentEntryInExistingEntries) {
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// If the same entry exists in existing entries, we should add all of the entries that
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// come before to maintain order
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for (var j = existingEntriesIteratorIndex; j > indexInExistingEntries; j -= 1) {
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var existingEntry = existingEntries[j];
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// If this entry also exists in new entries, we'll add as part of iterating through
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// new entries so that if there's a conflict between existing entries and new entries,
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// new entries order wins
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var hasMatchingEntryInNewEntries = findLastIndexUsingComparinator(newEntries, existingEntry, areEqualEntries, i) !== -1;
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if (!hasMatchingEntryInNewEntries) {
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resultSet.unshift(existingEntry);
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}
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existingEntriesIteratorIndex -= 1;
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}
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uniteEntries(currentEntry, existingEntries[existingEntriesIteratorIndex]);
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// uniteEntries mutates the second parameter to be a merged version, so that's what's pushed
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resultSet.unshift(existingEntries[existingEntriesIteratorIndex]);
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existingEntriesIteratorIndex -= 1;
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} else {
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var alreadyHasMatchingEntryInResultSet = findLastIndexUsingComparinator(resultSet, currentEntry, areEqualEntries) !== -1;
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if (!alreadyHasMatchingEntryInResultSet) {
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resultSet.unshift(currentEntry);
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}
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}
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}
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// Add remaining existing entries
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for (existingEntriesIteratorIndex; existingEntriesIteratorIndex >= 0; existingEntriesIteratorIndex -= 1) {
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var _existingEntry = existingEntries[existingEntriesIteratorIndex];
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var _alreadyHasMatchingEntryInResultSet = findLastIndexUsingComparinator(resultSet, _existingEntry, areEqualEntries) !== -1;
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if (!_alreadyHasMatchingEntryInResultSet) {
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resultSet.unshift(_existingEntry);
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}
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}
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return resultSet;
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}
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function findLastIndexUsingComparinator(entries, entryToFind, comparinator, startingIndex) {
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startingIndex = startingIndex || entries.length - 1;
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for (var i = startingIndex; i >= 0; i -= 1) {
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if (areEqualEntries(entryToFind, entries[i])) {
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return i;
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}
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}
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return -1;
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}
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exports.uniteRules = uniteRules;
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exports.uniteEntries = uniteEntries;
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