emigrate/packages/cli/src/get-config.ts

43 lines
1.3 KiB
TypeScript

import process from 'node:process';
import { cosmiconfig, defaultLoaders } from 'cosmiconfig';
import { type Config, type EmigrateConfig } from './types.js';
const commands = ['up', 'list', 'new', 'remove'] as const;
type Command = (typeof commands)[number];
const canImportTypeScriptAsIs = Boolean(process.isBun) || typeof Deno !== 'undefined';
const getEmigrateConfig = (config: any): EmigrateConfig => {
if ('default' in config && typeof config.default === 'object' && config.default !== null) {
return config.default as EmigrateConfig;
}
if (typeof config === 'object' && config !== null) {
return config as EmigrateConfig;
}
return {};
};
export const getConfig = async (command: Command, forceImportTypeScriptAsIs = false): Promise<Config> => {
const explorer = cosmiconfig('emigrate', {
// eslint-disable-next-line @typescript-eslint/naming-convention
loaders: forceImportTypeScriptAsIs || canImportTypeScriptAsIs ? { '.ts': defaultLoaders['.js'] } : undefined,
});
const result = await explorer.search();
if (!result?.config) {
return {};
}
const config = getEmigrateConfig(result.config);
const commandConfig = config[command];
for (const command of commands) {
// eslint-disable-next-line @typescript-eslint/no-dynamic-delete
delete config[command];
}
return { ...config, ...commandConfig };
};