82 lines
2.1 KiB
JavaScript
82 lines
2.1 KiB
JavaScript
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/*
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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 streamChunksOfRawSource = require("./helpers/streamChunksOfRawSource");
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const Source = require("./Source");
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class RawSource extends Source {
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constructor(value, convertToString = false) {
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super();
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const isBuffer = Buffer.isBuffer(value);
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if (!isBuffer && typeof value !== "string") {
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throw new TypeError("argument 'value' must be either string of Buffer");
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}
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this._valueIsBuffer = !convertToString && isBuffer;
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this._value = convertToString && isBuffer ? undefined : value;
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this._valueAsBuffer = isBuffer ? value : undefined;
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this._valueAsString = isBuffer ? undefined : value;
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}
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isBuffer() {
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return this._valueIsBuffer;
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}
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source() {
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if (this._value === undefined) {
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this._value = this._valueAsBuffer.toString("utf-8");
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}
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return this._value;
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}
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buffer() {
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if (this._valueAsBuffer === undefined) {
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this._valueAsBuffer = Buffer.from(this._value, "utf-8");
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}
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return this._valueAsBuffer;
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}
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map(options) {
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return null;
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}
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/**
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* @param {object} options options
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* @param {function(string, number, number, number, number, number, number): void} onChunk called for each chunk of code
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* @param {function(number, string, string)} onSource called for each source
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* @param {function(number, string)} onName called for each name
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* @returns {void}
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*/
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streamChunks(options, onChunk, onSource, onName) {
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if (this._value === undefined) {
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this._value = Buffer.from(this._valueAsBuffer, "utf-8");
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}
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if (this._valueAsString === undefined) {
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this._valueAsString =
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typeof this._value === "string"
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? this._value
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: this._value.toString("utf-8");
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}
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return streamChunksOfRawSource(
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this._valueAsString,
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onChunk,
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onSource,
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onName,
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!!(options && options.finalSource)
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);
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}
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updateHash(hash) {
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if (this._valueAsBuffer === undefined) {
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this._valueAsBuffer = Buffer.from(this._value, "utf-8");
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}
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hash.update("RawSource");
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hash.update(this._valueAsBuffer);
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}
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}
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module.exports = RawSource;
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