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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const streamChunksOfRawSource = require("./helpers/streamChunksOfRawSource");
const Source = require("./Source");
class RawSource extends Source {
constructor(value, convertToString = false) {
super();
const isBuffer = Buffer.isBuffer(value);
if (!isBuffer && typeof value !== "string") {
throw new TypeError("argument 'value' must be either string of Buffer");
}
this._valueIsBuffer = !convertToString && isBuffer;
this._value = convertToString && isBuffer ? undefined : value;
this._valueAsBuffer = isBuffer ? value : undefined;
this._valueAsString = isBuffer ? undefined : value;
}
isBuffer() {
return this._valueIsBuffer;
}
source() {
if (this._value === undefined) {
this._value = this._valueAsBuffer.toString("utf-8");
}
return this._value;
}
buffer() {
if (this._valueAsBuffer === undefined) {
this._valueAsBuffer = Buffer.from(this._value, "utf-8");
}
return this._valueAsBuffer;
}
map(options) {
return null;
}
/**
* @param {object} options options
* @param {function(string, number, number, number, number, number, number): void} onChunk called for each chunk of code
* @param {function(number, string, string)} onSource called for each source
* @param {function(number, string)} onName called for each name
* @returns {void}
*/
streamChunks(options, onChunk, onSource, onName) {
if (this._value === undefined) {
this._value = Buffer.from(this._valueAsBuffer, "utf-8");
}
if (this._valueAsString === undefined) {
this._valueAsString =
typeof this._value === "string"
? this._value
: this._value.toString("utf-8");
}
return streamChunksOfRawSource(
this._valueAsString,
onChunk,
onSource,
onName,
!!(options && options.finalSource)
);
}
updateHash(hash) {
if (this._valueAsBuffer === undefined) {
this._valueAsBuffer = Buffer.from(this._value, "utf-8");
}
hash.update("RawSource");
hash.update(this._valueAsBuffer);
}
}
module.exports = RawSource;