147 lines
4.1 KiB
JavaScript
147 lines
4.1 KiB
JavaScript
// TODO refactor this smelly code!
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const loaderDefaults = require('../config').loader;
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const getAllModules = require('./get-all-modules');
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const isModuleShouldBeExtracted = require('./is-module-should-be-extracted');
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const getModuleChunk = require('./get-module-chunk');
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const interpolate = require('./interpolate');
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const getMatchedRule = require('./get-matched-rule');
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class MappedListItem {
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/**
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* @param {SpriteSymbol} symbol
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* @param {NormalModule} module
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* @param {string} spriteFilename
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*/
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constructor(symbol, module, spriteFilename) {
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this.symbol = symbol;
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this.module = module;
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this.resource = symbol.request.file;
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this.spriteFilename = spriteFilename;
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}
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get url() {
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return `${this.spriteFilename}#${this.symbol.id}`;
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}
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get useUrl() {
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return `${this.spriteFilename}#${this.symbol.useId}`;
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}
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}
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class MappedList {
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/**
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* @param {SpriteSymbol[]} symbols
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* @param {Compilation} compilation
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*/
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constructor(symbols, compilation, shouldLog = false) {
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const { compiler } = compilation;
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this.symbols = symbols;
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this.rule = getMatchedRule(compiler);
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this.allModules = getAllModules(compilation);
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this.spriteModules = this.allModules.filter(isModuleShouldBeExtracted);
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this.shouldLog = shouldLog;
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this.items = this.create();
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}
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/**
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* @param {MappedListItem[]} data
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* @return {Object<string, MappedListItem>}
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*/
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static groupItemsBySpriteFilename(data) {
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return data
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.map(item => item.spriteFilename)
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.filter((value, index, self) => self.indexOf(value) === index)
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.reduce((acc, spriteFilename) => {
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acc[spriteFilename] = data.filter(item => item.spriteFilename === spriteFilename);
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return acc;
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}, {});
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}
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/**
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* @param {MappedListItem[]} data
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* @param {Function} [mapper] Custom grouper function
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* @return {Object<string, MappedListItem>}
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*/
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static groupItemsBySymbolFile(data, mapper) {
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return data.reduce((acc, item) => {
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if (mapper) {
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mapper(acc, item);
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} else {
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acc[item.resource] = item;
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}
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return acc;
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}, {});
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}
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/**
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* @return {MappedListItem[]}
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*/
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create() {
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const { symbols, spriteModules, allModules, rule } = this;
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const data = symbols.reduce((acc, symbol) => {
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const resource = symbol.request.file;
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const module = spriteModules.find((m) => {
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return 'resource' in m ? m.resource.split('?')[0] === resource : false;
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});
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let spriteFilename = rule.spriteFilename || loaderDefaults.spriteFilename;
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const chunk = module ? getModuleChunk(module, allModules) : null;
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if (typeof spriteFilename !== 'function' && chunk && chunk.name) {
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spriteFilename = spriteFilename.replace('[chunkname]', chunk.name);
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} else if (typeof spriteFilename === 'function') {
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spriteFilename = spriteFilename(resource);
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}
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if (rule && module) {
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acc.push(new MappedListItem(symbol, module, spriteFilename));
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}
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return acc;
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}, []);
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// Additional pass to interpolate [hash] in spriteFilename
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const itemsBySpriteFilename = MappedList.groupItemsBySpriteFilename(data);
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const filenames = Object.keys(itemsBySpriteFilename);
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filenames.forEach((filename) => {
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if (!filename.includes('hash')) {
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return;
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}
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const items = itemsBySpriteFilename[filename];
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const spriteSymbols = items.map(item => item.symbol);
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const content = spriteSymbols.map(s => s.render()).join('');
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const interpolatedName = interpolate(filename, {
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resourcePath: filename,
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content
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});
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items
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.filter(item => item.spriteFilename !== interpolatedName)
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.forEach(item => item.spriteFilename = interpolatedName);
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});
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return data;
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}
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/**
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* @return {Object<string, MappedListItem>}
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*/
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groupItemsBySpriteFilename() {
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return MappedList.groupItemsBySpriteFilename(this.items);
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}
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/**
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* @param {Function} [mapper] Custom grouper function
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* @return {Object<string, MappedListItem>}
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*/
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groupItemsBySymbolFile(mapper) {
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return MappedList.groupItemsBySymbolFile(this.items, mapper);
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}
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}
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module.exports = MappedList;
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