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 Dependency = require("../Dependency");
const makeSerializable = require("../util/makeSerializable");
const ModuleDependency = require("./ModuleDependency");
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../AsyncDependenciesBlock")} AsyncDependenciesBlock */
/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
class ImportDependency extends ModuleDependency {
/**
* @param {string} request the request
* @param {[number, number]} range expression range
* @param {string[][]=} referencedExports list of referenced exports
*/
constructor(request, range, referencedExports) {
super(request);
this.range = range;
this.referencedExports = referencedExports;
}
get type() {
return "import()";
}
get category() {
return "esm";
}
/**
* Returns list of exports referenced by this dependency
* @param {ModuleGraph} moduleGraph module graph
* @param {RuntimeSpec} runtime the runtime for which the module is analysed
* @returns {(string[] | ReferencedExport)[]} referenced exports
*/
getReferencedExports(moduleGraph, runtime) {
return this.referencedExports
? this.referencedExports.map(e => ({
name: e,
canMangle: false
}))
: Dependency.EXPORTS_OBJECT_REFERENCED;
}
serialize(context) {
context.write(this.range);
context.write(this.referencedExports);
super.serialize(context);
}
deserialize(context) {
this.range = context.read();
this.referencedExports = context.read();
super.deserialize(context);
}
}
makeSerializable(ImportDependency, "webpack/lib/dependencies/ImportDependency");
ImportDependency.Template = class ImportDependencyTemplate extends (
ModuleDependency.Template
) {
/**
* @param {Dependency} dependency the dependency for which the template should be applied
* @param {ReplaceSource} source the current replace source which can be modified
* @param {DependencyTemplateContext} templateContext the context object
* @returns {void}
*/
apply(
dependency,
source,
{ runtimeTemplate, module, moduleGraph, chunkGraph, runtimeRequirements }
) {
const dep = /** @type {ImportDependency} */ (dependency);
const block = /** @type {AsyncDependenciesBlock} */ (
moduleGraph.getParentBlock(dep)
);
const content = runtimeTemplate.moduleNamespacePromise({
chunkGraph,
block: block,
module: moduleGraph.getModule(dep),
request: dep.request,
strict: module.buildMeta.strictHarmonyModule,
message: "import()",
runtimeRequirements
});
source.replace(dep.range[0], dep.range[1] - 1, content);
}
};
module.exports = ImportDependency;