1 | 'use strict';
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2 | const { compare, has, intersection } = require('./helpers');
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3 | const data = require('./data');
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4 | const getModulesListForTargetVersion = require('./get-modules-list-for-target-version');
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5 | const modules = require('./modules');
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6 | const targetsParser = require('./targets-parser');
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7 |
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8 | function checkModule(name, targets) {
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9 | if (!has(data, name)) throw new TypeError(`Incorrect module: ${ name }`);
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10 |
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11 | const requirements = data[name];
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12 | const result = {
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13 | required: false,
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14 | targets: {},
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15 | };
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16 |
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17 | for (const [engine, version] of targets) {
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18 | if (!has(requirements, engine) || compare(version, '<', requirements[engine])) {
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19 | result.required = true;
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20 | result.targets[engine] = version;
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21 | }
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22 | }
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23 |
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24 | return result;
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25 | }
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26 |
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27 | module.exports = function ({ targets, filter, version }) {
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28 | const parsedTargets = targetsParser(targets);
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29 |
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30 | const result = {
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31 | list: [],
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32 | targets: {},
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33 | };
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34 |
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35 | let $modules = Array.isArray(filter) ? filter : modules;
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36 |
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37 | if (filter instanceof RegExp) {
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38 | $modules = $modules.filter(it => filter.test(it));
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39 | } else if (typeof filter == 'string') {
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40 | $modules = $modules.filter(it => it.startsWith(filter));
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41 | }
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42 |
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43 | if (version) {
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44 | $modules = intersection($modules, getModulesListForTargetVersion(version));
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45 | }
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46 |
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47 | for (const key of $modules) {
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48 | const check = checkModule(key, parsedTargets);
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49 | if (check.required) {
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50 | result.list.push(key);
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51 | result.targets[key] = check.targets;
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52 | }
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53 | }
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54 |
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55 | return result;
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56 | };
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