gree_leran/node_modules/webpack/lib/dependencies/ContextElementDependency.js

109 lines
2.8 KiB
JavaScript

/*
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("../Dependency").ReferencedExport} ReferencedExport */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../javascript/JavascriptParser").Attributes} Attributes */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
class ContextElementDependency extends ModuleDependency {
/**
* @param {string} request request
* @param {string|undefined} userRequest user request
* @param {string} typePrefix type prefix
* @param {string} category category
* @param {string[][]=} referencedExports referenced exports
* @param {string=} context context
* @param {Attributes=} attributes attributes
*/
constructor(
request,
userRequest,
typePrefix,
category,
referencedExports,
context,
attributes
) {
super(request);
this.referencedExports = referencedExports;
this._typePrefix = typePrefix;
this._category = category;
this._context = context || undefined;
if (userRequest) {
this.userRequest = userRequest;
}
this.assertions = attributes;
}
get type() {
if (this._typePrefix) {
return `${this._typePrefix} context element`;
}
return "context element";
}
get category() {
return this._category;
}
/**
* 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;
}
/**
* @param {ObjectSerializerContext} context context
*/
serialize(context) {
const { write } = context;
write(this._typePrefix);
write(this._category);
write(this.referencedExports);
write(this.assertions);
super.serialize(context);
}
/**
* @param {ObjectDeserializerContext} context context
*/
deserialize(context) {
const { read } = context;
this._typePrefix = read();
this._category = read();
this.referencedExports = read();
this.assertions = read();
super.deserialize(context);
}
}
makeSerializable(
ContextElementDependency,
"webpack/lib/dependencies/ContextElementDependency"
);
module.exports = ContextElementDependency;