vue hello world项目
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Ivan Kopeykin @vankop
*/
"use strict";
const RuntimeGlobals = require("../RuntimeGlobals");
const {
getDependencyUsedByExportsCondition
} = require("../optimize/InnerGraph");
const makeSerializable = require("../util/makeSerializable");
const memoize = require("../util/memoize");
const ModuleDependency = require("./ModuleDependency");
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../ChunkGraph")} ChunkGraph */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../ModuleGraphConnection")} ModuleGraphConnection */
/** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
/** @typedef {import("../util/Hash")} Hash */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
const getRawDataUrlModule = memoize(() => require("../asset/RawDataUrlModule"));
class URLDependency extends ModuleDependency {
/**
* @param {string} request request
* @param {[number, number]} range range of the arguments of new URL( |> ... <| )
* @param {[number, number]} outerRange range of the full |> new URL(...) <|
* @param {boolean=} relative use relative urls instead of absolute with base uri
*/
constructor(request, range, outerRange, relative) {
super(request);
this.range = range;
this.outerRange = outerRange;
this.relative = relative || false;
/** @type {Set<string> | boolean} */
this.usedByExports = undefined;
}
get type() {
return "new URL()";
}
get category() {
return "url";
}
/**
* @param {ModuleGraph} moduleGraph module graph
* @returns {null | false | function(ModuleGraphConnection, RuntimeSpec): ConnectionState} function to determine if the connection is active
*/
getCondition(moduleGraph) {
return getDependencyUsedByExportsCondition(
this,
this.usedByExports,
moduleGraph
);
}
/**
* @param {string} context context directory
* @returns {Module} a module
*/
createIgnoredModule(context) {
const RawDataUrlModule = getRawDataUrlModule();
return new RawDataUrlModule("data:,", `ignored-asset`, `(ignored asset)`);
}
serialize(context) {
const { write } = context;
write(this.outerRange);
write(this.relative);
write(this.usedByExports);
super.serialize(context);
}
deserialize(context) {
const { read } = context;
this.outerRange = read();
this.relative = read();
this.usedByExports = read();
super.deserialize(context);
}
}
URLDependency.Template = class URLDependencyTemplate 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, templateContext) {
const {
chunkGraph,
moduleGraph,
runtimeRequirements,
runtimeTemplate,
runtime
} = templateContext;
const dep = /** @type {URLDependency} */ (dependency);
const connection = moduleGraph.getConnection(dep);
// Skip rendering depending when dependency is conditional
if (connection && !connection.isTargetActive(runtime)) {
source.replace(
dep.outerRange[0],
dep.outerRange[1] - 1,
"/* unused asset import */ undefined"
);
return;
}
runtimeRequirements.add(RuntimeGlobals.require);
if (dep.relative) {
runtimeRequirements.add(RuntimeGlobals.relativeUrl);
source.replace(
dep.outerRange[0],
dep.outerRange[1] - 1,
`/* asset import */ new ${
RuntimeGlobals.relativeUrl
}(${runtimeTemplate.moduleRaw({
chunkGraph,
module: moduleGraph.getModule(dep),
request: dep.request,
runtimeRequirements,
weak: false
})})`
);
} else {
runtimeRequirements.add(RuntimeGlobals.baseURI);
source.replace(
dep.range[0],
dep.range[1] - 1,
`/* asset import */ ${runtimeTemplate.moduleRaw({
chunkGraph,
module: moduleGraph.getModule(dep),
request: dep.request,
runtimeRequirements,
weak: false
})}, ${RuntimeGlobals.baseURI}`
);
}
}
};
makeSerializable(URLDependency, "webpack/lib/dependencies/URLDependency");
module.exports = URLDependency;