84 lines
2.1 KiB
JavaScript
Executable File
84 lines
2.1 KiB
JavaScript
Executable File
#!/usr/bin/env node
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import esbuild from "esbuild";
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import { readFile, unlink, writeFile } from "fs/promises";
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import path from "path";
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import yargs from "yargs";
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import { hideBin } from "yargs/helpers";
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import { Manifest } from "../types";
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async function compile(filePath: string, functionName: string, debug: boolean) {
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let outFile = "out.js";
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let inFile = filePath;
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if (functionName) {
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// Generate a new file importing just this one function and exporting it
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inFile = "in.js";
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await writeFile(
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inFile,
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`import {${functionName}} from "./${filePath}";
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export default ${functionName};`
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);
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}
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// TODO: Figure out how to make source maps work correctly with eval() code
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let js = await esbuild.build({
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entryPoints: [inFile],
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bundle: true,
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format: "iife",
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globalName: "mod",
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platform: "neutral",
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sourcemap: false, //sourceMap ? "inline" : false,
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minify: !debug,
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outfile: outFile,
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});
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let jsCode = (await readFile(outFile)).toString();
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jsCode = jsCode.replace(/^var mod ?= ?/, "");
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await unlink(outFile);
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if (inFile !== filePath) {
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await unlink(inFile);
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}
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// Strip final ';'
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return jsCode.substring(0, jsCode.length - 2);
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}
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async function bundle(manifestPath: string, sourceMaps: boolean) {
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const rootPath = path.dirname(manifestPath);
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const manifest = JSON.parse(
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(await readFile(manifestPath)).toString()
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) as Manifest<any>;
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for (let [name, def] of Object.entries(manifest.functions)) {
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let jsFunctionName = "default",
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filePath = path.join(rootPath, def.path!);
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if (filePath.indexOf(":") !== -1) {
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[filePath, jsFunctionName] = filePath.split(":");
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}
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def.code = await compile(filePath, jsFunctionName, sourceMaps);
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delete def.path;
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}
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return manifest;
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}
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async function run() {
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let args = await yargs(hideBin(process.argv))
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.option("debug", {
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type: "boolean",
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})
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.parse();
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let generatedManifest = await bundle(args._[0] as string, !!args.debug);
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await writeFile(
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args._[1] as string,
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JSON.stringify(generatedManifest, null, 2)
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);
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}
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run().catch((e) => {
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console.error(e);
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process.exit(1);
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});
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