#!/usr/bin/env zx

let jobs = argv.jobs;

if (!jobs) {

const platform = os.platform();

if (platform === "darwin") {

// nproc doesn't work on CircleCI

jobs = await $`sysctl -n hw.logicalcpu`;

} else if (platform === "win32") {

jobs = process.env["NUMBER_OF_PROCESSORS"];

} else {

jobs = await $`nproc`;

}

}

try {

await which("emcmake");

} catch {

console.log("ERROR: Couldn't find `emcmake`, is emsdk installed?");

process.exit(1);

}

// Create build folder if needed

if (!(await fs.exists("./build"))) {

await $`mkdir build`;

}

cd("build");

// Build with emsdk

await $`emcmake cmake -G Ninja ..`;

await $`cmake --build . -j ${jobs}`;

// Bundle api.js and copy artifacts to dist

await fs.copy("../src/api.js", "api.js");

await $`esbuild api.js --bundle --platform=node --outfile=../dist/api.js`;

await fs.copy("../src/cli.js", "../dist/cli.js");

await fs.copy("../postject-api.h", "../dist/postject-api.h");

// Repace all occurrences of `__filename` and `__dirname` with "" because

// Node.js core doesn't support it. These uses are functionally dead when

// `SINGLE_FILE` is enabled anyways.

// Refs: https://github.com/postmanlabs/postject/issues/50

// TODO(RaisinTen): Send a PR to emsdk to get rid of these symbols from the

// affected code paths when `SINGLE_FILE` is enabled.

const contents = await fs.readFile("../dist/api.js", "utf-8");

const replaced = contents.replace(/\b__filename\b|\b__dirname\b/g, "''");

await fs.writeFile("../dist/api.js", replaced);

// Build tests

if (!(await fs.exists("./test"))) {

await $`mkdir test`;

}

cd("test");

await $`cmake ../../test`;

await $`cmake --build .`;