Patrik Oldsberg
119 lines
3.5 KiB
JavaScript
Executable File
119 lines
3.5 KiB
JavaScript
Executable File
/*
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* Copyright 2020 The Backstage Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const { spawnSync } = require('child_process');
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const { resolve: resolvePath, join: joinPath } = require('path');
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const fs = require('fs').promises;
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const IGNORED = [
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/^ADOPTERS\.md$/,
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/^OWNERS\.md$/,
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/^.*[/\\]CHANGELOG\.md$/,
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/^.*[/\\]([^\/]+-)?api-report\.md$/,
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/^docs[/\\]releases[/\\].*-changelog\.md$/,
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/^docs[/\\]reference[/\\]/,
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];
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const rootDir = resolvePath(__dirname, '..');
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// Manual listing to avoid dependency install for listing files in CI
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async function listFiles(dir = '') {
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const files = await fs.readdir(dir || rootDir);
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const paths = await Promise.all(
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files
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.filter(file => file !== 'node_modules')
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.map(async file => {
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const path = joinPath(dir, file);
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if (IGNORED.some(pattern => pattern.test(path))) {
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return [];
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}
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if ((await fs.stat(path)).isDirectory()) {
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return listFiles(path);
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}
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if (!path.endsWith('.md')) {
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return [];
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}
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return path;
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}),
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);
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return paths.flat();
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}
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// Proceed with the script only if Vale linter is installed. Limit the friction and surprises
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// caused by the script. In CI, we want to ensure vale linter is run.
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async function exitIfMissingVale() {
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try {
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// eslint-disable-next-line @backstage/no-undeclared-imports
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await require('command-exists')('vale');
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} catch (e) {
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if (process.env.CI) {
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console.log(
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`Language linter (vale) was not found. Please install vale linter (https://docs.errata.ai/vale/install).\n`,
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);
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process.exit(1);
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}
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console.log(`Language linter (vale) generated errors. Please check the errors and review any markdown files that you changed.
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Possibly update .github/vale/Vocab/Backstage/accept.txt to add new valid words.\n`);
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process.exit(0);
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}
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}
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async function runVale(files) {
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const result = spawnSync(
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'vale',
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['--config', resolvePath(rootDir, '.vale.ini'), ...files],
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{
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stdio: 'inherit',
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},
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);
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if (result.status !== 0) {
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// TODO(Rugvip): This logic was here before but seems a bit odd, could use some verification on windows.
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// If it contains system level error. In this case vale does not exist.
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if (process.platform !== 'win32' || result.error) {
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console.log(`Language linter (vale) generated errors. Please check the errors and review any markdown files that you changed.
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Possibly update .github/vale/Vocab/Backstage/accept.txt to add new valid words.\n`);
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}
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return false;
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}
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return true;
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}
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async function main() {
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const files = await listFiles();
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if (process.argv.includes('--ci-args')) {
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process.stdout.write(
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// Workaround for not being able to pass arguments to the vale action
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JSON.stringify([...files]),
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);
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return;
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}
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await exitIfMissingVale();
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const success = await runVale(files);
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if (!success) {
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process.exit(2);
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}
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}
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main().catch(error => {
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console.error(error);
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process.exit(1);
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});
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