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 { OriginalSource, RawSource } = require("webpack-sources");
const Module = require("./Module");
const makeSerializable = require("./util/makeSerializable");
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
/** @typedef {import("./ChunkGraph")} ChunkGraph */
/** @typedef {import("./Compilation")} Compilation */
/** @typedef {import("./Dependency").UpdateHashContext} UpdateHashContext */
/** @typedef {import("./DependencyTemplates")} DependencyTemplates */
/** @typedef {import("./Module").CodeGenerationContext} CodeGenerationContext */
/** @typedef {import("./Module").CodeGenerationResult} CodeGenerationResult */
/** @typedef {import("./Module").NeedBuildContext} NeedBuildContext */
/** @typedef {import("./RequestShortener")} RequestShortener */
/** @typedef {import("./ResolverFactory").ResolverWithOptions} ResolverWithOptions */
/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
/** @typedef {import("./WebpackError")} WebpackError */
/** @typedef {import("./util/Hash")} Hash */
/** @typedef {import("./util/fs").InputFileSystem} InputFileSystem */
const TYPES = new Set(["javascript"]);
class RawModule extends Module {
/**
* @param {string} source source code
* @param {string} identifier unique identifier
* @param {string=} readableIdentifier readable identifier
* @param {ReadonlySet<string>=} runtimeRequirements runtime requirements needed for the source code
*/
constructor(source, identifier, readableIdentifier, runtimeRequirements) {
super("javascript/dynamic", null);
this.sourceStr = source;
this.identifierStr = identifier || this.sourceStr;
this.readableIdentifierStr = readableIdentifier || this.identifierStr;
this.runtimeRequirements = runtimeRequirements || null;
}
/**
* @returns {Set<string>} types available (do not mutate)
*/
getSourceTypes() {
return TYPES;
}
/**
* @returns {string} a unique identifier of the module
*/
identifier() {
return this.identifierStr;
}
/**
* @param {string=} type the source type for which the size should be estimated
* @returns {number} the estimated size of the module (must be non-zero)
*/
size(type) {
return Math.max(1, this.sourceStr.length);
}
/**
* @param {RequestShortener} requestShortener the request shortener
* @returns {string} a user readable identifier of the module
*/
readableIdentifier(requestShortener) {
return requestShortener.shorten(this.readableIdentifierStr);
}
/**
* @param {NeedBuildContext} context context info
* @param {function((WebpackError | null)=, boolean=): void} callback callback function, returns true, if the module needs a rebuild
* @returns {void}
*/
needBuild(context, callback) {
return callback(null, !this.buildMeta);
}
/**
* @param {WebpackOptions} options webpack options
* @param {Compilation} compilation the compilation
* @param {ResolverWithOptions} resolver the resolver
* @param {InputFileSystem} fs the file system
* @param {function(WebpackError=): void} callback callback function
* @returns {void}
*/
build(options, compilation, resolver, fs, callback) {
this.buildMeta = {};
this.buildInfo = {
cacheable: true
};
callback();
}
/**
* @param {CodeGenerationContext} context context for code generation
* @returns {CodeGenerationResult} result
*/
codeGeneration(context) {
const sources = new Map();
if (this.useSourceMap || this.useSimpleSourceMap) {
sources.set(
"javascript",
new OriginalSource(this.sourceStr, this.identifier())
);
} else {
sources.set("javascript", new RawSource(this.sourceStr));
}
return { sources, runtimeRequirements: this.runtimeRequirements };
}
/**
* @param {Hash} hash the hash used to track dependencies
* @param {UpdateHashContext} context context
* @returns {void}
*/
updateHash(hash, context) {
hash.update(this.sourceStr);
super.updateHash(hash, context);
}
serialize(context) {
const { write } = context;
write(this.sourceStr);
write(this.identifierStr);
write(this.readableIdentifierStr);
write(this.runtimeRequirements);
super.serialize(context);
}
deserialize(context) {
const { read } = context;
this.sourceStr = read();
this.identifierStr = read();
this.readableIdentifierStr = read();
this.runtimeRequirements = read();
super.deserialize(context);
}
}
makeSerializable(RawModule, "webpack/lib/RawModule");
module.exports = RawModule;