Musique/node_modules/htmlparser2/lib/WritableStream.js

53 lines
2.1 KiB
JavaScript

"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.WritableStream = void 0;
var Parser_1 = require("./Parser");
/*
* NOTE: If either of these two imports produces a type error,
* please update your @types/node dependency!
*/
var stream_1 = require("stream");
var string_decoder_1 = require("string_decoder");
// Following the example in https://nodejs.org/api/stream.html#stream_decoding_buffers_in_a_writable_stream
function isBuffer(_chunk, encoding) {
return encoding === "buffer";
}
/**
* WritableStream makes the `Parser` interface available as a NodeJS stream.
*
* @see Parser
*/
var WritableStream = /** @class */ (function (_super) {
__extends(WritableStream, _super);
function WritableStream(cbs, options) {
var _this = _super.call(this, { decodeStrings: false }) || this;
_this._decoder = new string_decoder_1.StringDecoder();
_this._parser = new Parser_1.Parser(cbs, options);
return _this;
}
WritableStream.prototype._write = function (chunk, encoding, cb) {
this._parser.write(isBuffer(chunk, encoding) ? this._decoder.write(chunk) : chunk);
cb();
};
WritableStream.prototype._final = function (cb) {
this._parser.end(this._decoder.end());
cb();
};
return WritableStream;
}(stream_1.Writable));
exports.WritableStream = WritableStream;