react-cosmos/dist/cosmosConfig/detectCosmosConfig.js

Sandbox for developing and testing UI components in isolation

import path from 'path';
import { getCliArgs } from '../utils/cli.js';
import { dirExists, fileExists, moduleExists } from '../utils/fs.js';
import { createCosmosConfig } from './createCosmosConfig.js';
import { getCosmosConfigAtPath } from './getCosmosConfigAtPath.js';
import { getCurrentDir } from './shared.js';
export async function detectCosmosConfig() {
    const cosmosConfigPath = detectCosmosConfigPath();
    return cosmosConfigPath
        ? getCosmosConfigAtPath(cosmosConfigPath)
        : createCosmosConfig(detectRootDir());
}
export function detectCosmosConfigPath() {
    const rootDir = detectRootDir();
    const cliArgs = getCliArgs();
    // CLI support for --config path/to/cosmos.config.json
    if (typeof cliArgs.config === 'string') {
        if (path.extname(cliArgs.config) !== '.json')
            throw new Error(`[Cosmos] Invalid config file type: ${cliArgs.config} (must be .json)`);
        const absPath = path.resolve(rootDir, cliArgs.config);
        if (!fileExists(absPath))
            throw new Error(`[Cosmos] Config not found at path: ${cliArgs.config}`);
        return absPath;
    }
    const defaultConfigPath = path.join(rootDir, 'cosmos.config.json');
    return moduleExists(defaultConfigPath) ? defaultConfigPath : null;
}
function detectRootDir() {
    const cliArgs = getCliArgs();
    // CLI support for --root-dir path/to/project
    if (typeof cliArgs.rootDir === 'string') {
        const absPath = path.resolve(getCurrentDir(), cliArgs.rootDir);
        if (!dirExists(absPath))
            throw new Error(`[Cosmos] Dir not found at path: ${cliArgs.rootDir}`);
        return absPath;
    }
    return getCurrentDir();
}