1 | const pkgRoot = require('./package-root');
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2 |
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3 | let rootCache;
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4 |
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5 | module.exports = {
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6 | appRoot: function() {
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7 | return rootCache ? rootCache : (rootCache = pkgRoot().path);
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8 | },
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9 | injectEntry: function(config, entry, opts = {}) {
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10 | if (typeof config.entry === 'string') {
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11 | config.entry = [config.entry];
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12 | }
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13 | if (Array.isArray(config.entry)) {
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14 | if (opts.first) {
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15 | config.entry.unshift(entry);
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16 | } else if (opts.last || opts.main) {
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17 | config.entry.push(entry);
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18 | } else {
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19 | config.entry.splice(-1, 0, entry);
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20 | }
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21 | } else if (typeof config.entry === 'object') {
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22 | const o = {entry: config.entry[opts.chunk || 'main']};
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23 | this.injectEntry(o, entry, opts);
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24 | config.entry[opts.chunk || 'main'] = o.entry;
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25 | }
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26 | },
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27 | mainEntry: function(config, opts = {}) {
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28 | if (typeof config.entry === 'string') {
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29 | return config.entry;
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30 | } else if (Array.isArray(config.entry)) {
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31 | return config.entry[config.entry.length - 1];
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32 | } else if (typeof config.entry === 'object') {
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33 | return this.mainEntry({entry: config.entry[opts.chunk || 'main']}, opts);
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34 | }
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35 | },
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36 | replaceMain: function(config, replacement, opts = {}) {
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37 | if (typeof config.entry === 'string') {
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38 | config.entry = replacement;
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39 | } else if (Array.isArray(config.entry)) {
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40 | config.entry[config.entry.length - 1] = replacement;
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41 | } else if (typeof config.entry === 'object') {
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42 | this.replaceMain({entry: config.entry[opts.chunk || 'main']}, replacement, opts);
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43 | }
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44 | },
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45 | findLoader: function(config, name) {
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46 | let index = -1;
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47 | if (config && config.module && config.module.rules && name) {
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48 | for (let i = 0; i < config.module.rules.length; i++) {
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49 | if (config.module.rules[i].loader) {
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50 | if (
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51 | config.module.rules[i].loader === name + '-loader' ||
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52 | new RegExp('node_modules[\\\\/]' + name + '-loader').test(config.module.rules[i].loader)
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53 | ) {
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54 | index = i;
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55 | break;
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56 | }
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57 | }
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58 | }
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59 | }
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60 | return index;
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61 | },
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62 | getLoaderByName: function(config, name) {
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63 | if (config && config.module && config.module.rules && name) {
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64 | return config.module.rules[this.findLoader(config, name)];
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65 | }
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66 | },
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67 | findPlugin: function(config, name) {
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68 | let index = -1;
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69 | if (config && config.plugins && name) {
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70 | for (let i = 0; i < config.plugins.length; i++) {
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71 | if (
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72 | config.plugins[i] &&
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73 | config.plugins[i].constructor &&
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74 | config.plugins[i].constructor.name &&
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75 | config.plugins[i].constructor.name === name
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76 | ) {
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77 | index = i;
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78 | break;
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79 | }
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80 | }
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81 | }
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82 | return index;
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83 | },
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84 | getPluginByName: function(config, name) {
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85 | if (config && config.plugins && name) {
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86 | return config.plugins[this.findPlugin(config, name)];
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87 | }
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88 | },
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89 | removePlugin: function(config, name) {
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90 | const i = this.findPlugin(config, name);
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91 | if (i >= 0) {
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92 | config.plugins.splice(i, 1);
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93 | }
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94 | }
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95 | };
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