build.js

fs = require('fs')
shell = require("shelljs");
path = require('path');

const projectInfo = JSON.parse(fs.readFileSync('angular.json', {encoding: "utf8"})).projects.cloudflared

shell.exec("npm run ng build")

let releases = Object.values(JSON.parse(fs.readFileSync(
    path.join(projectInfo.sourceRoot, 'release-info.json'),
    {encoding: "utf8"},
)))

let latestRelease = releases.sort((a, b) => new Date(b.releaseDate).valueOf() - new Date(a.releaseDate).valueOf())[0];

fs.writeFileSync(
    path.join(projectInfo.architect.build.options.outputPath, '_redirects'),
    [
        "/binaries/cloudflared-freebsd-latest.7z /" + latestRelease.binary7zipPath + " 302",
        "/binaries/cloudflared-freebsd-latest.sha1 /" + latestRelease.binarySHA1Path + " 302",
    ].join('\n')
)