init project

scripts/lib.mjs

@@ -0,0 +1,46 @@
+import { createHash } from 'node:crypto';
+import { readFile, readdir, stat } from 'node:fs/promises';
+import path from 'node:path';
+
+export const repositoryRoot = path.resolve(import.meta.dirname, '..');
+
+export async function sha256(filePath) {
+  const contents = await readFile(filePath);
+  return createHash('sha256').update(contents).digest('hex');
+}
+
+export async function walk(directory, predicate = () => true) {
+  const output = [];
+  for (const entry of await readdir(directory)) {
+    const fullPath = path.join(directory, entry);
+    const details = await stat(fullPath);
+    if (details.isDirectory()) output.push(...(await walk(fullPath, predicate)));
+    else if (predicate(fullPath)) output.push(fullPath);
+  }
+  return output;
+}
+
+export function flatten(value, prefix = '', output = new Map()) {
+  if (Array.isArray(value)) {
+    value.forEach((entry, index) => flatten(entry, `${prefix}[${index}]`, output));
+    if (value.length === 0) output.set(prefix, value);
+    return output;
+  }
+  if (value && typeof value === 'object') {
+    for (const [key, entry] of Object.entries(value)) {
+      flatten(entry, prefix ? `${prefix}.${key}` : key, output);
+    }
+    return output;
+  }
+  output.set(prefix, value);
+  return output;
+}
+
+export function fail(messages) {
+  for (const message of messages) console.error(`ERROR: ${message}`);
+  process.exitCode = 1;
+}
+
+export function pass(message) {
+  console.log(`PASS: ${message}`);
+}