46 lines
1.4 KiB
TypeScript
46 lines
1.4 KiB
TypeScript
import * as child_process from 'child_process';
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import * as fs from 'fs';
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import * as log from './log';
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export function convert(inFilename: string, outFilename: string, encoder: string, args: Array<string> = null): Promise<boolean> {
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return new Promise((resolve, reject) => {
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if (fs.existsSync(outFilename.toString()) && fs.statSync(outFilename.toString()).mtime.getTime() > fs.statSync(inFilename.toString()).mtime.getTime()) {
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resolve(true);
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return;
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}
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if (!encoder) {
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resolve(false);
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return;
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}
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let dirend = Math.max(encoder.lastIndexOf('/'), encoder.lastIndexOf('\\'));
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let firstspace = encoder.indexOf(' ', dirend);
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let exe = encoder.substr(0, firstspace);
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let parts = encoder.substr(firstspace + 1).split(' ');
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let options: string[] = [];
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for (let i = 0; i < parts.length; ++i) {
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let foundarg = false;
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if (args !== null) {
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for (let arg in args) {
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if (parts[i] === '{' + arg + '}') {
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options.push(args[arg]);
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foundarg = true;
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break;
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}
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}
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}
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if (foundarg) continue;
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if (parts[i] === '{in}') options.push(inFilename.toString());
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else if (parts[i] === '{out}') options.push(outFilename.toString());
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else options.push(parts[i]);
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}
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// About stdio ignore: https://stackoverflow.com/a/20792428
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let process = child_process.spawn(exe, options, {stdio: 'ignore'});
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process.on('close', (code: number) => {
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resolve(code === 0);
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});
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});
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}
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