75 lines
1.8 KiB
JavaScript
75 lines
1.8 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 { register } = require("../util/serialization");
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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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/** @typedef {import("./JsonModulesPlugin").JsonValue} JsonValue */
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class JsonData {
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/**
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* @param {Buffer | JsonValue} data JSON data
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*/
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constructor(data) {
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/** @type {Buffer | undefined} */
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this._buffer = undefined;
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/** @type {JsonValue | undefined} */
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this._data = undefined;
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if (Buffer.isBuffer(data)) {
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this._buffer = data;
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} else {
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this._data = data;
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}
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}
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/**
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* @returns {JsonValue | undefined} Raw JSON data
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*/
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get() {
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if (this._data === undefined && this._buffer !== undefined) {
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this._data = JSON.parse(this._buffer.toString());
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}
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return this._data;
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}
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/**
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* @param {Hash} hash hash to be updated
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* @returns {void} the updated hash
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*/
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updateHash(hash) {
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if (this._buffer === undefined && this._data !== undefined) {
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this._buffer = Buffer.from(JSON.stringify(this._data));
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}
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if (this._buffer) hash.update(this._buffer);
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}
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}
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register(JsonData, "webpack/lib/json/JsonData", null, {
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/**
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* @param {JsonData} obj JSONData object
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* @param {ObjectSerializerContext} context context
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*/
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serialize(obj, { write }) {
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if (obj._buffer === undefined && obj._data !== undefined) {
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obj._buffer = Buffer.from(JSON.stringify(obj._data));
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}
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write(obj._buffer);
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},
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/**
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* @param {ObjectDeserializerContext} context context
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* @returns {JsonData} deserialized JSON data
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*/
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deserialize({ read }) {
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return new JsonData(read());
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}
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});
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module.exports = JsonData;
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