|
| 1 | +import * as fs from 'node:fs' |
| 2 | +import * as path from 'node:path' |
| 3 | +import * as prettier from 'prettier' |
| 4 | + |
| 5 | +/** Pairs of package labels and their corresponding paths */ |
| 6 | +type LabelerPair = [string, string] |
| 7 | + |
| 8 | +function readPairsFromFs(): Array<LabelerPair> { |
| 9 | + const ignored = new Set(['.DS_Store']) |
| 10 | + |
| 11 | + const pairs: Array<LabelerPair> = [] |
| 12 | + |
| 13 | + // Add subfolders in the packages folder, i.e. packages/** |
| 14 | + fs.readdirSync(path.resolve('packages')) |
| 15 | + .filter((folder) => !ignored.has(folder)) |
| 16 | + .forEach((folder) => { |
| 17 | + // Check if package.json exists for the folder before adding it |
| 18 | + if ( |
| 19 | + fs.existsSync( |
| 20 | + path.resolve(path.join('packages', folder, 'package.json')), |
| 21 | + ) |
| 22 | + ) { |
| 23 | + pairs.push([`package: ${folder}`, `packages/${folder}/**/*`]) |
| 24 | + } else { |
| 25 | + console.info( |
| 26 | + `Skipping \`${folder}\` as it does not have a \`package.json\` file.`, |
| 27 | + ) |
| 28 | + } |
| 29 | + }) |
| 30 | + |
| 31 | + // Sort by package name in alphabetical order |
| 32 | + pairs.sort((a, b) => a[0].localeCompare(b[0])) |
| 33 | + |
| 34 | + return pairs |
| 35 | +} |
| 36 | + |
| 37 | +async function generateLabelerYaml(pairs: Array<LabelerPair>): Promise<string> { |
| 38 | + function s(n = 1) { |
| 39 | + return ' '.repeat(n) |
| 40 | + } |
| 41 | + |
| 42 | + // Convert the pairs into valid yaml |
| 43 | + const formattedPairs = pairs |
| 44 | + .map(([packageLabel, packagePath]) => { |
| 45 | + const result = [ |
| 46 | + `'${packageLabel}':`, |
| 47 | + `${s(2)}-${s(1)}changed-files:`, |
| 48 | + `${s(4)}-${s(1)}any-glob-to-any-file:${s(1)}'${packagePath}'`, |
| 49 | + ].join('\n') |
| 50 | + |
| 51 | + return result |
| 52 | + }) |
| 53 | + .join('\n') |
| 54 | + |
| 55 | + // Get the location of the Prettier config file |
| 56 | + const prettierConfigPath = await prettier.resolveConfigFile() |
| 57 | + if (!prettierConfigPath) { |
| 58 | + throw new Error( |
| 59 | + 'No Prettier config file found. Please ensure you have a Prettier config file in your project.', |
| 60 | + ) |
| 61 | + } |
| 62 | + console.info('using prettier config file at:', prettierConfigPath) |
| 63 | + |
| 64 | + // Resolve the Prettier config |
| 65 | + const prettierConfig = await prettier.resolveConfig(prettierConfigPath) |
| 66 | + console.info('using resolved prettier config:', prettierConfig) |
| 67 | + |
| 68 | + // Format the YAML string using Prettier |
| 69 | + const formattedStr = await prettier.format(formattedPairs, { |
| 70 | + parser: 'yaml', |
| 71 | + ...prettierConfig, |
| 72 | + }) |
| 73 | + |
| 74 | + return formattedStr |
| 75 | +} |
| 76 | + |
| 77 | +async function run() { |
| 78 | + console.info('Generating labeler config...') |
| 79 | + |
| 80 | + // Generate the pairs of package labels and their corresponding paths |
| 81 | + const pairs = readPairsFromFs() |
| 82 | + |
| 83 | + // Always add the docs folder |
| 84 | + pairs.push(['documentation', 'docs/**/*']) |
| 85 | + |
| 86 | + // Convert the pairs into valid yaml |
| 87 | + const yamlStr = await generateLabelerYaml(pairs) |
| 88 | + |
| 89 | + // Write to 'labeler-config.yml' |
| 90 | + const configPath = path.resolve('labeler-config.yml') |
| 91 | + fs.writeFileSync(configPath, yamlStr, { |
| 92 | + encoding: 'utf-8', |
| 93 | + }) |
| 94 | + |
| 95 | + console.info(`Generated labeler config at \`${configPath}\`!`) |
| 96 | + return |
| 97 | +} |
| 98 | + |
| 99 | +try { |
| 100 | + run().then(() => { |
| 101 | + process.exit(0) |
| 102 | + }) |
| 103 | +} catch (error) { |
| 104 | + console.error('Error generating labeler config:', error) |
| 105 | + process.exit(1) |
| 106 | +} |
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