d2/d2js/js/build.js
2025-01-13 11:03:30 -07:00

111 lines
3 KiB
JavaScript

import { build } from "bun";
import { copyFile, mkdir, writeFile, readFile, rm, chmod } from "node:fs/promises";
import { join, resolve } from "node:path";
const __dirname = new URL(".", import.meta.url).pathname;
const ROOT_DIR = resolve(__dirname);
const SRC_DIR = resolve(ROOT_DIR, "src");
await rm("./dist", { recursive: true, force: true });
await mkdir("./dist/browser", { recursive: true });
await mkdir("./dist/node-esm", { recursive: true });
await mkdir("./dist/node-cjs", { recursive: true });
const wasmBinary = await readFile("./wasm/d2.wasm");
const wasmExecJs = await readFile("./wasm/wasm_exec.js", "utf8");
await writeFile(
join(SRC_DIR, "wasm-loader.browser.js"),
`export const wasmBinary = Uint8Array.from(atob("${Buffer.from(wasmBinary).toString(
"base64"
)}"), c => c.charCodeAt(0));
export const wasmExecJs = ${JSON.stringify(wasmExecJs)};`
);
const commonConfig = {
splitting: false,
sourcemap: "external",
minify: true,
};
async function buildPlatformFile(platform) {
const platformContent =
platform === "node"
? `export * from "./platform.node.js";`
: `export * from "./platform.browser.js";`;
const platformPath = join(SRC_DIR, "platform.js");
await writeFile(platformPath, platformContent);
await chmod(platformPath, 0o600);
}
async function buildAndCopy(buildType) {
const configs = {
browser: {
outdir: resolve(ROOT_DIR, "dist/browser"),
format: "esm",
target: "browser",
platform: "browser",
loader: {
".js": "jsx",
},
entrypoints: [
resolve(SRC_DIR, "index.js"),
resolve(SRC_DIR, "worker.js"),
resolve(SRC_DIR, "platform.js"),
resolve(SRC_DIR, "wasm-loader.browser.js"),
],
},
"node-esm": {
outdir: resolve(ROOT_DIR, "dist/node-esm"),
format: "esm",
target: "node",
platform: "node",
entrypoints: [
resolve(SRC_DIR, "index.js"),
resolve(SRC_DIR, "worker.js"),
resolve(SRC_DIR, "platform.js"),
],
},
"node-cjs": {
outdir: resolve(ROOT_DIR, "dist/node-cjs"),
format: "cjs",
target: "node",
platform: "node",
entrypoints: [
resolve(SRC_DIR, "index.js"),
resolve(SRC_DIR, "worker.js"),
resolve(SRC_DIR, "platform.js"),
],
},
};
const config = configs[buildType];
await buildPlatformFile(config.platform);
const result = await build({
...commonConfig,
...config,
});
if (!result.outputs || result.outputs.length === 0) {
throw new Error(`No outputs generated for ${buildType} build`);
}
if (buildType !== "browser") {
await copyFile(resolve(ROOT_DIR, "wasm/d2.wasm"), join(config.outdir, "d2.wasm"));
await copyFile(
resolve(ROOT_DIR, "wasm/wasm_exec.js"),
join(config.outdir, "wasm_exec.js")
);
}
}
try {
await buildAndCopy("browser");
await buildAndCopy("node-esm");
await buildAndCopy("node-cjs");
} catch (error) {
console.error("Build failed:", error);
process.exit(1);
}