| 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 | function isNamed(name) {
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| 6 | return fn => name && fn && fn.constructor && fn.constructor.name && fn.constructor.name === name;
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| 7 | }
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| 8 |
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| 9 | module.exports = {
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| 10 | appRoot: function() {
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| 11 | return rootCache ? rootCache : (rootCache = pkgRoot().path);
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| 12 | },
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| 13 | injectEntry: function(config, entry, opts = {}) {
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| 14 | if (typeof config.entry === 'string') {
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| 15 | config.entry = [config.entry];
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| 16 | }
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| 17 | if (Array.isArray(config.entry)) {
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| 18 | if (opts.first) {
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| 19 | config.entry.unshift(entry);
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| 20 | } else if (opts.last || opts.main) {
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| 21 | config.entry.push(entry);
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| 22 | } else {
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| 23 | config.entry.splice(-1, 0, entry);
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| 24 | }
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| 25 | } else if (typeof config.entry === 'object') {
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| 26 | const o = {entry: config.entry[opts.chunk || 'main']};
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| 27 | this.injectEntry(o, entry, opts);
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| 28 | config.entry[opts.chunk || 'main'] = o.entry;
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| 29 | }
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| 30 | },
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| 31 | mainEntry: function(config, opts = {}) {
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| 32 | if (typeof config.entry === 'string') {
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| 33 | return config.entry;
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| 34 | } else if (Array.isArray(config.entry)) {
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| 35 | return config.entry[config.entry.length - 1];
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| 36 | } else if (typeof config.entry === 'object') {
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| 37 | return this.mainEntry({entry: config.entry[opts.chunk || 'main']}, opts);
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| 38 | }
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| 39 | },
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| 40 | replaceMain: function(config, replacement, opts = {}) {
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| 41 | if (typeof config.entry === 'string') {
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| 42 | config.entry = replacement;
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| 43 | } else if (Array.isArray(config.entry)) {
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| 44 | config.entry[config.entry.length - 1] = replacement;
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| 45 | } else if (typeof config.entry === 'object') {
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| 46 | this.replaceMain({entry: config.entry[opts.chunk || 'main']}, replacement, opts);
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| 47 | }
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| 48 | },
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| 49 | findPlugin: function({plugins = []} = {}, name) {
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| 50 | return plugins.findIndex(isNamed(name));
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| 51 | },
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| 52 | getPluginByName: function({plugins = []} = {}, name) {
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| 53 | return plugins[this.findPlugin({plugins}, name)];
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| 54 | },
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| 55 | removePlugin: function({plugins = []} = {}, name) {
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| 56 | const i = this.findPlugin({plugins}, name);
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| 57 | if (i >= 0) plugins.splice(i, 1);
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| 58 | },
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| 59 | findMinimizer: function({optimization = []} = {}, name) {
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| 60 | return (optimization.minimizer || []).findIndex(isNamed(name));
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| 61 | },
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| 62 | getMinimizerByName: function({optimization = []} = {}, name) {
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| 63 | return (optimization.minimizer || [])[this.findMinimizer({optimization}, name)];
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| 64 | },
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| 65 | removeMinimizer: function({optimization = {}} = {}, name) {
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| 66 | const i = this.findMinimizer({optimization}, name);
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| 67 | if (i >= 0) optimization.minimizer.splice(i, 1);
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| 68 | }
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| 69 | };
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