gree_leran/node_modules/webpack/lib/dependencies/CommonJsFullRequireDependen...

167 lines
4.6 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const Template = require("../Template");
const { equals } = require("../util/ArrayHelpers");
const { getTrimmedIdsAndRange } = require("../util/chainedImports");
const makeSerializable = require("../util/makeSerializable");
const propertyAccess = require("../util/propertyAccess");
const ModuleDependency = require("./ModuleDependency");
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../javascript/JavascriptParser").Range} Range */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
class CommonJsFullRequireDependency extends ModuleDependency {
/**
* @param {string} request the request string
* @param {Range} range location in source code
* @param {string[]} names accessed properties on module
* @param {Range[]=} idRanges ranges for members of ids; the two arrays are right-aligned
*/
constructor(
request,
range,
names,
idRanges /* TODO webpack 6 make this non-optional. It must always be set to properly trim ids. */
) {
super(request);
this.range = range;
this.names = names;
this.idRanges = idRanges;
this.call = false;
this.asiSafe = undefined;
}
/**
* 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) {
if (this.call) {
const importedModule = moduleGraph.getModule(this);
if (
!importedModule ||
importedModule.getExportsType(moduleGraph, false) !== "namespace"
) {
return [this.names.slice(0, -1)];
}
}
return [this.names];
}
/**
* @param {ObjectSerializerContext} context context
*/
serialize(context) {
const { write } = context;
write(this.names);
write(this.idRanges);
write(this.call);
write(this.asiSafe);
super.serialize(context);
}
/**
* @param {ObjectDeserializerContext} context context
*/
deserialize(context) {
const { read } = context;
this.names = read();
this.idRanges = read();
this.call = read();
this.asiSafe = read();
super.deserialize(context);
}
get type() {
return "cjs full require";
}
get category() {
return "commonjs";
}
}
CommonJsFullRequireDependency.Template = class CommonJsFullRequireDependencyTemplate 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,
{
module,
runtimeTemplate,
moduleGraph,
chunkGraph,
runtimeRequirements,
runtime,
initFragments
}
) {
const dep = /** @type {CommonJsFullRequireDependency} */ (dependency);
if (!dep.range) return;
const importedModule = moduleGraph.getModule(dep);
let requireExpr = runtimeTemplate.moduleExports({
module: importedModule,
chunkGraph,
request: dep.request,
weak: dep.weak,
runtimeRequirements
});
const {
trimmedRange: [trimmedRangeStart, trimmedRangeEnd],
trimmedIds
} = getTrimmedIdsAndRange(
dep.names,
dep.range,
dep.idRanges,
moduleGraph,
dep
);
if (importedModule) {
const usedImported = moduleGraph
.getExportsInfo(importedModule)
.getUsedName(trimmedIds, runtime);
if (usedImported) {
const comment = equals(usedImported, trimmedIds)
? ""
: Template.toNormalComment(propertyAccess(trimmedIds)) + " ";
const access = `${comment}${propertyAccess(usedImported)}`;
requireExpr =
dep.asiSafe === true
? `(${requireExpr}${access})`
: `${requireExpr}${access}`;
}
}
source.replace(trimmedRangeStart, trimmedRangeEnd - 1, requireExpr);
}
};
makeSerializable(
CommonJsFullRequireDependency,
"webpack/lib/dependencies/CommonJsFullRequireDependency"
);
module.exports = CommonJsFullRequireDependency;