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patch-nwjs-codecs.mjs
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patch-nwjs-codecs.mjs
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import child_process from "child_process";
import fs from "fs";
import got from "got";
import os from "os";
import path from "path";
import stream from "stream";
import {promisify} from "util";
const ignore = () => undefined;
// IMPORTANT: Take a look at https://www.ffmpeg.org/legal.html.
/** @param {string} nw_path */
export async function patch_nwjs_codecs(nw_path) {
const { dependencies, devDependencies } = JSON.parse(String(
await fs.promises.readFile(path.join(process.cwd(), "package.json"))));
const nw = dependencies?.nw || devDependencies?.nw;
const version = nw.replace("-sdk", "");
const url = String(child_process.execSync(
`npx -y nwjs-ffmpeg-prebuilt -v ${version} --get-download-url`));
const temp_folder
= await fs.promises.mkdtemp(path.join(os.tmpdir(), "nwjs-ffmpeg-"));
const ffmpeg_zip = path.join(temp_folder, "ffmpeg.zip");
await promisify(stream.pipeline)(got.stream(url),
fs.createWriteStream(ffmpeg_zip));
switch (os.platform()) {
case "darwin":
nw_path
= nw_path.replace("MacOS/nwjs",
"Frameworks/nwjs Framework.framework/Versions/Current");
break;
case "win32": nw_path = nw_path.replace("nw.exe", ""); break;
case "linux": nw_path = nw_path.replace("nw/nwjs/nw", "nw/nwjs/lib"); break;
}
child_process.execSync(os.platform() === "win32"
? `powershell Expand-Archive ${
ffmpeg_zip} -DestinationPath ${nw_path} -Force`
: `unzip -o ${JSON.stringify(ffmpeg_zip)} -d ${
JSON.stringify(nw_path)}`,
{ stdio: "inherit" });
await fs.promises.unlink(temp_folder).catch(ignore);
}