75 lines
1.8 KiB
JavaScript
75 lines
1.8 KiB
JavaScript
|
/*
|
||
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
||
|
|
Author Tobias Koppers @sokra
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
const { register } = require("../util/serialization");
|
||
|
|
|
||
|
|
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
|
||
|
|
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
|
||
|
|
/** @typedef {import("../util/Hash")} Hash */
|
||
|
|
/** @typedef {import("./JsonModulesPlugin").RawJsonData} RawJsonData */
|
||
|
|
|
||
|
|
class JsonData {
|
||
|
|
/**
|
||
|
|
* @param {Buffer | RawJsonData} data JSON data
|
||
|
|
*/
|
||
|
|
constructor(data) {
|
||
|
|
/** @type {Buffer | undefined} */
|
||
|
|
this._buffer = undefined;
|
||
|
|
/** @type {RawJsonData | undefined} */
|
||
|
|
this._data = undefined;
|
||
|
|
if (Buffer.isBuffer(data)) {
|
||
|
|
this._buffer = data;
|
||
|
|
} else {
|
||
|
|
this._data = data;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @returns {RawJsonData|undefined} Raw JSON data
|
||
|
|
*/
|
||
|
|
get() {
|
||
|
|
if (this._data === undefined && this._buffer !== undefined) {
|
||
|
|
this._data = JSON.parse(this._buffer.toString());
|
||
|
|
}
|
||
|
|
return this._data;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param {Hash} hash hash to be updated
|
||
|
|
* @returns {void} the updated hash
|
||
|
|
*/
|
||
|
|
updateHash(hash) {
|
||
|
|
if (this._buffer === undefined && this._data !== undefined) {
|
||
|
|
this._buffer = Buffer.from(JSON.stringify(this._data));
|
||
|
|
}
|
||
|
|
|
||
|
|
if (this._buffer) hash.update(this._buffer);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
register(JsonData, "webpack/lib/json/JsonData", null, {
|
||
|
|
/**
|
||
|
|
* @param {JsonData} obj JSONData object
|
||
|
|
* @param {ObjectSerializerContext} context context
|
||
|
|
*/
|
||
|
|
serialize(obj, { write }) {
|
||
|
|
if (obj._buffer === undefined && obj._data !== undefined) {
|
||
|
|
obj._buffer = Buffer.from(JSON.stringify(obj._data));
|
||
|
|
}
|
||
|
|
write(obj._buffer);
|
||
|
|
},
|
||
|
|
/**
|
||
|
|
* @param {ObjectDeserializerContext} context context
|
||
|
|
* @returns {JsonData} deserialized JSON data
|
||
|
|
*/
|
||
|
|
deserialize({ read }) {
|
||
|
|
return new JsonData(read());
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
module.exports = JsonData;
|