Validate

1#!/usr/bin/env node
2
3import { readFile } from 'node:fs/promises';
4import { resolve } from 'node:path';
5import process from 'node:process';
6
7import Ajv2020 from 'ajv/dist/2020.js';
8import addFormats from 'ajv-formats';
9import yaml from 'js-yaml';
10
11import { fetchCached } from './fetch.js';
12
13const SCHEMA_URL = 'https://api.expo.dev/v2/workflows/schema';
14
15async function fetchSchema() {
16  const data = await fetchCached(SCHEMA_URL);
17  const body = JSON.parse(data);
18  return body.data;
19}
20
21function createValidator(schema) {
22  const ajv = new Ajv2020({ allErrors: true, strict: true });
23  addFormats(ajv);
24  return ajv.compile(schema);
25}
26
27async function validateFile(validator, filePath) {
28  const content = await readFile(filePath, 'utf-8');
29
30  let doc;
31  try {
32    doc = yaml.load(content);
33  } catch (e) {
34    return { valid: false, error: `YAML parse error: ${e.message}` };
35  }
36
37  const valid = validator(doc);
38  if (!valid) {
39    return { valid: false, error: formatErrors(validator.errors) };
40  }
41
42  return { valid: true };
43}
44
45function formatErrors(errors) {
46  return errors
47    .map((error) => {
48      const path = error.instancePath || '(root)';
49      const allowed = error.params?.allowedValues?.join(', ');
50      return `  ${path}: ${error.message}${allowed ? ` (allowed: ${allowed})` : ''}`;
51    })
52    .join('\n');
53}
54
55if (import.meta.main) {
56  const args = process.argv.slice(2);
57  const files = args.filter((a) => !a.startsWith('-'));
58
59  if (files.length === 0 || args.includes('--help') || args.includes('-h')) {
60    console.log(`Usage: validate <workflow.yml> [workflow2.yml ...]
61
62Validates EAS workflow YAML files against the official schema.`);
63    process.exit(files.length === 0 ? 1 : 0);
64  }
65
66  const schema = await fetchSchema();
67  const validator = createValidator(schema);
68
69  let hasErrors = false;
70
71  for (const file of files) {
72    const filePath = resolve(process.cwd(), file);
73    const result = await validateFile(validator, filePath);
74
75    if (result.valid) {
76      console.log(`✓ ${file}`);
77    } else {
78      console.error(`✗ ${file}\n${result.error}`);
79      hasErrors = true;
80    }
81  }
82
83  process.exit(hasErrors ? 1 : 0);
84}