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108 lines
2.5 KiB
JavaScript
108 lines
2.5 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const makeSerializable = require("../util/makeSerializable");
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const NullDependency = require("./NullDependency");
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/** @typedef {import("../ChunkGraph")} ChunkGraph */
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/** @typedef {import("../Dependency").ExportSpec} ExportSpec */
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/** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */
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/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
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/** @typedef {import("../ModuleGraph")} ModuleGraph */
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/** @typedef {import("../json/JsonData")} JsonData */
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/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
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/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
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/** @typedef {import("../util/Hash")} Hash */
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const getExportsFromData = data => {
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if (data && typeof data === "object") {
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if (Array.isArray(data)) {
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return data.length < 100
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? data.map((item, idx) => {
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return {
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name: `${idx}`,
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canMangle: true,
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exports: getExportsFromData(item)
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};
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})
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: undefined;
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} else {
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const exports = [];
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for (const key of Object.keys(data)) {
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exports.push({
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name: key,
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canMangle: true,
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exports: getExportsFromData(data[key])
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});
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}
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return exports;
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}
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}
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return undefined;
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};
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class JsonExportsDependency extends NullDependency {
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/**
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* @param {JsonData} data json data
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*/
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constructor(data) {
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super();
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this.data = data;
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}
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get type() {
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return "json exports";
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}
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/**
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* Returns the exported names
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* @param {ModuleGraph} moduleGraph module graph
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* @returns {ExportsSpec | undefined} export names
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*/
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getExports(moduleGraph) {
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return {
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exports: getExportsFromData(this.data && this.data.get()),
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dependencies: undefined
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};
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}
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/**
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* Update the hash
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* @param {Hash} hash hash to be updated
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* @param {UpdateHashContext} context context
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* @returns {void}
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*/
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updateHash(hash, context) {
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this.data.updateHash(hash);
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}
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/**
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* @param {ObjectSerializerContext} context context
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*/
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serialize(context) {
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const { write } = context;
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write(this.data);
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super.serialize(context);
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}
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/**
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* @param {ObjectDeserializerContext} context context
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*/
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deserialize(context) {
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const { read } = context;
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this.data = read();
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super.deserialize(context);
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}
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}
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makeSerializable(
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JsonExportsDependency,
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"webpack/lib/dependencies/JsonExportsDependency"
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);
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module.exports = JsonExportsDependency;
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