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rOACCT/node_modules/webpack/lib/dependencies/HarmonyImportSpecifierDependency.js
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HarmonyImportSpecifierDependency.js
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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 { UsageState } = require("../ExportsInfo");
const makeSerializable = require("../util/makeSerializable");
const propertyAccess = require("../util/propertyAccess");
const HarmonyImportDependency = require("./HarmonyImportDependency");
/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../ChunkGraph")} ChunkGraph */
/** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */
/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../ModuleGraphConnection")} ModuleGraphConnection */
/** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
/** @typedef {import("../WebpackError")} WebpackError */
/** @typedef {import("../util/Hash")} Hash */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
const idsSymbol = Symbol("HarmonyImportSpecifierDependency.ids");
class HarmonyImportSpecifierDependency extends HarmonyImportDependency {
constructor(request, sourceOrder, ids, name, range, strictExportPresence) {
super(request, sourceOrder);
this.ids = ids;
this.name = name;
this.range = range;
this.strictExportPresence = strictExportPresence;
this.namespaceObjectAsContext = false;
this.call = undefined;
this.directImport = undefined;
this.shorthand = undefined;
this.asiSafe = undefined;
/** @type {Set<string> | boolean} */
this.usedByExports = undefined;
}
// TODO webpack 6 remove
get id() {
throw new Error("id was renamed to ids and type changed to string[]");
}
// TODO webpack 6 remove
getId() {
throw new Error("id was renamed to ids and type changed to string[]");
}
// TODO webpack 6 remove
setId() {
throw new Error("id was renamed to ids and type changed to string[]");
}
get type() {
return "harmony import specifier";
}
/**
* @param {ModuleGraph} moduleGraph the module graph
* @returns {string[]} the imported ids
*/
getIds(moduleGraph) {
return moduleGraph.getMeta(this)[idsSymbol] || this.ids;
}
/**
* @param {ModuleGraph} moduleGraph the module graph
* @param {string[]} ids the imported ids
* @returns {void}
*/
setIds(moduleGraph, ids) {
moduleGraph.getMeta(this)[idsSymbol] = ids;
}
/**
* @param {ModuleGraph} moduleGraph module graph
* @returns {function(ModuleGraphConnection, RuntimeSpec): ConnectionState} function to determine if the connection is active
*/
getCondition(moduleGraph) {
return (connection, runtime) =>
this.checkUsedByExports(moduleGraph, runtime);
}
/**
* @param {ModuleGraph} moduleGraph the module graph
* @returns {ConnectionState} how this dependency connects the module to referencing modules
*/
getModuleEvaluationSideEffectsState(moduleGraph) {
return false;
}
checkUsedByExports(moduleGraph, runtime) {
if (this.usedByExports === false) return false;
if (this.usedByExports !== true && this.usedByExports !== undefined) {
const selfModule = moduleGraph.getParentModule(this);
const exportsInfo = moduleGraph.getExportsInfo(selfModule);
let used = false;
for (const exportName of this.usedByExports) {
if (exportsInfo.getUsed(exportName, runtime) !== UsageState.Unused)
used = true;
}
if (!used) return false;
}
return true;
}
/**
* 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) {
let ids = this.getIds(moduleGraph);
if (ids.length > 0 && ids[0] === "default") {
const selfModule = moduleGraph.getParentModule(this);
const importedModule = moduleGraph.getModule(this);
switch (
importedModule.getExportsType(
moduleGraph,
selfModule.buildMeta.strictHarmonyModule
)
) {
case "default-only":
case "default-with-named":
if (ids.length === 1) return Dependency.EXPORTS_OBJECT_REFERENCED;
ids = ids.slice(1);
break;
case "dynamic":
return Dependency.EXPORTS_OBJECT_REFERENCED;
}
}
if (this.namespaceObjectAsContext) {
if (ids.length === 1) return Dependency.EXPORTS_OBJECT_REFERENCED;
ids = ids.slice(0, -1);
}
return [ids];
}
/**
* Returns warnings
* @param {ModuleGraph} moduleGraph module graph
* @returns {WebpackError[]} warnings
*/
getWarnings(moduleGraph) {
if (
this.strictExportPresence ||
moduleGraph.getParentModule(this).buildMeta.strictHarmonyModule
) {
return null;
}
return this._getErrors(moduleGraph);
}
/**
* Returns errors
* @param {ModuleGraph} moduleGraph module graph
* @returns {WebpackError[]} errors
*/
getErrors(moduleGraph) {
if (
this.strictExportPresence ||
moduleGraph.getParentModule(this).buildMeta.strictHarmonyModule
) {
return this._getErrors(moduleGraph);
}
return null;
}
/**
* @param {ModuleGraph} moduleGraph module graph
* @returns {WebpackError[] | undefined} errors
*/
_getErrors(moduleGraph) {
const ids = this.getIds(moduleGraph);
return this.getLinkingErrors(
moduleGraph,
ids,
`(imported as '${this.name}')`
);
}
/**
* implement this method to allow the occurrence order plugin to count correctly
* @returns {number} count how often the id is used in this dependency
*/
getNumberOfIdOccurrences() {
return 0;
}
/**
* Update the hash
* @param {Hash} hash hash to be updated
* @param {UpdateHashContext} context context
* @returns {void}
*/
updateHash(hash, context) {
const { chunkGraph, runtime } = context;
super.updateHash(hash, context);
const moduleGraph = chunkGraph.moduleGraph;
const importedModule = moduleGraph.getModule(this);
const ids = this.getIds(moduleGraph);
hash.update(ids.join());
if (importedModule) {
const exportsInfo = moduleGraph.getExportsInfo(importedModule);
hash.update(`${exportsInfo.getUsedName(ids, runtime)}`);
}
}
serialize(context) {
const { write } = context;
write(this.ids);
write(this.name);
write(this.range);
write(this.strictExportPresence);
write(this.namespaceObjectAsContext);
write(this.call);
write(this.directImport);
write(this.shorthand);
write(this.asiSafe);
write(this.usedByExports);
super.serialize(context);
}
deserialize(context) {
const { read } = context;
this.ids = read();
this.name = read();
this.range = read();
this.strictExportPresence = read();
this.namespaceObjectAsContext = read();
this.call = read();
this.directImport = read();
this.shorthand = read();
this.asiSafe = read();
this.usedByExports = read();
super.deserialize(context);
}
}
makeSerializable(
HarmonyImportSpecifierDependency,
"webpack/lib/dependencies/HarmonyImportSpecifierDependency"
);
HarmonyImportSpecifierDependency.Template = class HarmonyImportSpecifierDependencyTemplate extends (
HarmonyImportDependency.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 dep = /** @type {HarmonyImportSpecifierDependency} */ (dependency);
const {
moduleGraph,
module,
runtime,
concatenationScope
} = templateContext;
const connection = moduleGraph.getConnection(dep);
// Skip rendering depending when dependency is conditional
if (connection && !connection.isTargetActive(runtime)) return;
const ids = dep.getIds(moduleGraph);
let exportExpr;
if (
connection &&
concatenationScope &&
concatenationScope.isModuleInScope(connection.module)
) {
if (ids.length === 0) {
exportExpr = concatenationScope.createModuleReference(
connection.module,
{
asiSafe: dep.asiSafe
}
);
} else if (dep.namespaceObjectAsContext && ids.length === 1) {
exportExpr =
concatenationScope.createModuleReference(connection.module, {
asiSafe: dep.asiSafe
}) + propertyAccess(ids);
} else {
exportExpr = concatenationScope.createModuleReference(
connection.module,
{
ids,
call: dep.call,
directImport: dep.directImport,
asiSafe: dep.asiSafe
}
);
}
} else {
super.apply(dependency, source, templateContext);
const {
runtimeTemplate,
initFragments,
runtimeRequirements
} = templateContext;
exportExpr = runtimeTemplate.exportFromImport({
moduleGraph,
module: moduleGraph.getModule(dep),
request: dep.request,
exportName: ids,
originModule: module,
asiSafe: dep.shorthand ? true : dep.asiSafe,
isCall: dep.call,
callContext: !dep.directImport,
defaultInterop: true,
importVar: dep.getImportVar(moduleGraph),
initFragments,
runtime,
runtimeRequirements
});
}
if (dep.shorthand) {
source.insert(dep.range[1], `: ${exportExpr}`);
} else {
source.replace(dep.range[0], dep.range[1] - 1, exportExpr);
}
}
};
module.exports = HarmonyImportSpecifierDependency;
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