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silverbullet/plugbox/bin/plugbox-bundle.mjs
2022-03-04 12:09:25 +01:00

63 lines
1.6 KiB
JavaScript
Executable File

#!/usr/bin/env node
import esbuild from "esbuild";
import { readFile, unlink, writeFile } from "fs/promises";
import path from "path";
import yargs from "yargs";
import { hideBin } from "yargs/helpers";
async function compile(filePath, sourceMap) {
let tempFile = "out.js";
let js = await esbuild.build({
entryPoints: [filePath],
bundle: true,
format: "iife",
globalName: "mod",
platform: "neutral",
sourcemap: sourceMap ? "inline" : false,
minify: true,
outfile: tempFile,
});
let jsCode = (await readFile(tempFile)).toString();
jsCode = jsCode.replace(/^var mod ?= ?/, "");
await unlink(tempFile);
return jsCode;
}
async function bundle(manifestPath, sourceMaps) {
const rootPath = path.dirname(manifestPath);
const manifest = JSON.parse((await readFile(manifestPath)).toString());
for (let [name, def] of Object.entries(manifest.functions)) {
let jsFunctionName = def.functionName,
filePath = path.join(rootPath, def.path);
if (filePath.indexOf(":") !== -1) {
[filePath, jsFunctionName] = filePath.split(":");
} else if (!jsFunctionName) {
jsFunctionName = "default";
}
def.code = await compile(filePath, sourceMaps);
def.path = filePath;
def.functionName = jsFunctionName;
}
return manifest;
}
async function run() {
let args = await yargs(hideBin(process.argv))
.option("debug", {
type: "boolean",
})
.parse();
let generatedManifest = await bundle(args._[0], !!args.debug);
writeFile(args._[1], JSON.stringify(generatedManifest, null, 2));
}
run().catch((e) => {
console.error(e);
process.exit(1);
});