vue hello world项目
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { compareModulesByIdentifier } = require("../util/comparators");
const {
getShortModuleName,
getLongModuleName,
assignNames,
getUsedModuleIdsAndModules,
assignAscendingModuleIds
} = require("./IdHelpers");
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../Module")} Module */
class NamedModuleIdsPlugin {
constructor(options) {
this.options = options || {};
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
const { root } = compiler;
compiler.hooks.compilation.tap("NamedModuleIdsPlugin", compilation => {
const { hashFunction } = compilation.outputOptions;
compilation.hooks.moduleIds.tap("NamedModuleIdsPlugin", () => {
const chunkGraph = compilation.chunkGraph;
const context = this.options.context
? this.options.context
: compiler.context;
const [usedIds, modules] = getUsedModuleIdsAndModules(compilation);
const unnamedModules = assignNames(
modules,
m => getShortModuleName(m, context, root),
(m, shortName) =>
getLongModuleName(shortName, m, context, hashFunction, root),
compareModulesByIdentifier,
usedIds,
(m, name) => chunkGraph.setModuleId(m, name)
);
if (unnamedModules.length > 0) {
assignAscendingModuleIds(usedIds, unnamedModules, compilation);
}
});
});
}
}
module.exports = NamedModuleIdsPlugin;