initial commit of actions

github/codeql-action-v1/node_modules/ava/lib/load-config.js

@@ -0,0 +1,164 @@
+import fs from 'node:fs';
+import path from 'node:path';
+import process from 'node:process';
+import url from 'node:url';
+
+import {isPlainObject} from 'is-plain-object';
+import {packageConfig, packageJsonPath} from 'pkg-conf';
+
+const NO_SUCH_FILE = Symbol('no ava.config.js file');
+const MISSING_DEFAULT_EXPORT = Symbol('missing default export');
+const EXPERIMENTS = new Set();
+
+const importConfig = async ({configFile, fileForErrorMessage}) => {
+	const {default: config = MISSING_DEFAULT_EXPORT} = await import(url.pathToFileURL(configFile)); // eslint-disable-line node/no-unsupported-features/es-syntax
+	if (config === MISSING_DEFAULT_EXPORT) {
+		throw new Error(`${fileForErrorMessage} must have a default export`);
+	}
+
+	return config;
+};
+
+const loadConfigFile = async ({projectDir, configFile}) => {
+	const fileForErrorMessage = path.relative(projectDir, configFile);
+	try {
+		await fs.promises.access(configFile);
+		return {config: await importConfig({configFile, fileForErrorMessage}), configFile, fileForErrorMessage};
+	} catch (error) {
+		if (error.code === 'ENOENT') {
+			return null;
+		}
+
+		throw Object.assign(new Error(`Error loading ${fileForErrorMessage}: ${error.message}`), {parent: error});
+	}
+};
+
+function resolveConfigFile(configFile) {
+	if (configFile) {
+		configFile = path.resolve(configFile); // Relative to CWD
+
+		if (!configFile.endsWith('.js') && !configFile.endsWith('.cjs') && !configFile.endsWith('.mjs')) {
+			throw new Error('Config files must have .js, .cjs or .mjs extensions');
+		}
+	}
+
+	return configFile;
+}
+
+const gitScmFile = process.env.AVA_FAKE_SCM_ROOT || '.git';
+
+async function findRepoRoot(fromDir) {
+	const {root} = path.parse(fromDir);
+	let dir = fromDir;
+	while (root !== dir) {
+		try {
+			const stat = await fs.promises.stat(path.join(dir, gitScmFile)); // eslint-disable-line no-await-in-loop
+			if (stat.isFile() || stat.isDirectory()) {
+				return dir;
+			}
+		} catch {}
+
+		dir = path.dirname(dir);
+	}
+
+	return root;
+}
+
+async function checkJsonFile(searchDir) {
+	const file = path.join(searchDir, 'ava.config.json');
+	try {
+		await fs.promises.access(file);
+		return file;
+	} catch (error) {
+		if (error.code === 'ENOENT') {
+			return null;
+		}
+
+		throw error;
+	}
+}
+
+export async function loadConfig({configFile, resolveFrom = process.cwd(), defaults = {}} = {}) {
+	let packageConf = await packageConfig('ava', {cwd: resolveFrom});
+	const filepath = packageJsonPath(packageConf);
+	const projectDir = filepath === undefined ? resolveFrom : path.dirname(filepath);
+
+	const repoRoot = await findRepoRoot(projectDir);
+
+	// Conflicts are only allowed when an explicit config file is provided.
+	const allowConflictWithPackageJson = Boolean(configFile);
+	configFile = resolveConfigFile(configFile);
+
+	const unsupportedFiles = [];
+	let fileConf = NO_SUCH_FILE;
+	let fileForErrorMessage;
+	let conflicting = [];
+	if (configFile) {
+		const loaded = await loadConfigFile({projectDir, configFile});
+		if (loaded !== null) {
+			({config: fileConf, fileForErrorMessage} = loaded);
+		}
+	} else {
+		let searchDir = projectDir;
+		const stopAt = path.dirname(repoRoot);
+		do {
+			const [jsonFile, ...results] = await Promise.all([ // eslint-disable-line no-await-in-loop
+				checkJsonFile(searchDir),
+				loadConfigFile({projectDir, configFile: path.join(searchDir, 'ava.config.js')}),
+				loadConfigFile({projectDir, configFile: path.join(searchDir, 'ava.config.cjs')}),
+				loadConfigFile({projectDir, configFile: path.join(searchDir, 'ava.config.mjs')}),
+			]);
+
+			if (jsonFile !== null) {
+				unsupportedFiles.push(jsonFile);
+			}
+
+			[{config: fileConf, fileForErrorMessage, configFile} = {config: NO_SUCH_FILE, fileForErrorMessage: undefined}, ...conflicting] = results.filter(result => result !== null);
+
+			searchDir = path.dirname(searchDir);
+		} while (fileConf === NO_SUCH_FILE && searchDir !== stopAt);
+	}
+
+	if (conflicting.length > 0) {
+		throw new Error(`Conflicting configuration in ${fileForErrorMessage} and ${conflicting.map(({fileForErrorMessage}) => fileForErrorMessage).join(' & ')}`);
+	}
+
+	if (fileConf !== NO_SUCH_FILE) {
+		if (allowConflictWithPackageJson) {
+			packageConf = {};
+		} else if (Object.keys(packageConf).length > 0) {
+			throw new Error(`Conflicting configuration in ${fileForErrorMessage} and package.json`);
+		}
+
+		if (!isPlainObject(fileConf) && typeof fileConf !== 'function') {
+			throw new TypeError(`${fileForErrorMessage} must export a plain object or factory function`);
+		}
+
+		if (typeof fileConf === 'function') {
+			fileConf = await fileConf({projectDir});
+
+			if (!isPlainObject(fileConf)) {
+				throw new TypeError(`Factory method exported by ${fileForErrorMessage} must return a plain object`);
+			}
+		}
+
+		if ('ava' in fileConf) {
+			throw new Error(`Encountered ’ava’ property in ${fileForErrorMessage}; avoid wrapping the configuration`);
+		}
+	}
+
+	const config = {...defaults, nonSemVerExperiments: {}, ...fileConf, ...packageConf, projectDir, configFile};
+
+	const {nonSemVerExperiments: experiments} = config;
+	if (!isPlainObject(experiments)) {
+		throw new Error(`nonSemVerExperiments from ${fileForErrorMessage} must be an object`);
+	}
+
+	for (const key of Object.keys(experiments)) {
+		if (!EXPERIMENTS.has(key)) {
+			throw new Error(`nonSemVerExperiments.${key} from ${fileForErrorMessage} is not a supported experiment`);
+		}
+	}
+
+	return {config, unsupportedFiles};
+}