jamp3
Version:
mp3, id3v1, id3v2 - reader & writer
77 lines • 3.02 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.FileWriterStream = void 0;
const stream_writer_1 = require("./stream-writer");
const fs_1 = __importDefault(require("fs"));
class FileWriterStream extends stream_writer_1.WriterStream {
constructor() {
super();
}
open(filename) {
return __awaiter(this, void 0, void 0, function* () {
try {
this.wstream = fs_1.default.createWriteStream(filename);
}
catch (err) {
return Promise.reject(err);
}
return new Promise((resolve, reject) => {
this.wstream.once('open', (fd) => {
resolve();
});
});
});
}
close() {
return __awaiter(this, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
this.wstream.on('close', () => {
resolve();
});
this.wstream.end();
});
});
}
pipeStream(readstream) {
return __awaiter(this, void 0, void 0, function* () {
return new Promise((resolve, reject) => {
readstream.on('error', (err) => {
return reject(err);
});
readstream.on('end', (err) => {
if (err) {
reject(err);
}
else {
resolve();
}
});
readstream.pipe(this.wstream, { end: false });
});
});
}
copyRange(filename, start, finish) {
return __awaiter(this, void 0, void 0, function* () {
return this.pipeStream(fs_1.default.createReadStream(filename, { start, end: finish }));
});
}
copyFrom(filename, position) {
return __awaiter(this, void 0, void 0, function* () {
return this.pipeStream(fs_1.default.createReadStream(filename, { start: position }));
});
}
}
exports.FileWriterStream = FileWriterStream;
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