kysely
Version:
Type safe SQL query builder
53 lines (52 loc) • 1.83 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.FileMigrationProvider = void 0;
const object_utils_js_1 = require("../util/object-utils.js");
/**
* Reads all migrations from a folder in node.js.
*
* ### Examples
*
* ```ts
* import { promises as fs } from 'fs'
* import path from 'path'
*
* new FileMigrationProvider({
* fs,
* path,
* migrationFolder: 'path/to/migrations/folder'
* })
* ```
*/
class FileMigrationProvider {
#props;
constructor(props) {
this.#props = props;
}
async getMigrations() {
const migrations = {};
const files = await this.#props.fs.readdir(this.#props.migrationFolder);
for (const fileName of files) {
if (fileName.endsWith('.js') ||
(fileName.endsWith('.ts') && !fileName.endsWith('.d.ts')) ||
fileName.endsWith('.mjs') ||
(fileName.endsWith('.mts') && !fileName.endsWith('.d.mts'))) {
const migration = await Promise.resolve(`${
/* webpackIgnore: true */ this.#props.path.join(this.#props.migrationFolder, fileName)}`).then(s => require(s));
const migrationKey = fileName.substring(0, fileName.lastIndexOf('.'));
// Handle esModuleInterop export's `default` prop...
if (isMigration(migration?.default)) {
migrations[migrationKey] = migration.default;
}
else if (isMigration(migration)) {
migrations[migrationKey] = migration;
}
}
}
return migrations;
}
}
exports.FileMigrationProvider = FileMigrationProvider;
function isMigration(obj) {
return (0, object_utils_js_1.isObject)(obj) && (0, object_utils_js_1.isFunction)(obj.up);
}