mirror of
https://github.com/swc-project/swc.git
synced 2024-12-21 12:41:54 +03:00
106 lines
3.0 KiB
TypeScript
106 lines
3.0 KiB
TypeScript
// Loaded from https://raw.githubusercontent.com/denjucks/dex/master/lib/migrate/MigrationGenerator.js
|
|
|
|
|
|
import * as path from "../deps/path/mod.ts";
|
|
import { writeJsFileUsingTemplate } from '../util/template.js';
|
|
import { getMergedConfig } from './configuration-merger.js';
|
|
import { ensureDirectoryExists } from '../util/fs.js';
|
|
|
|
class MigrationGenerator {
|
|
constructor(migrationConfig) {
|
|
this.config = getMergedConfig(migrationConfig);
|
|
}
|
|
|
|
// Creates a new migration, with a given name.
|
|
async make(name, config) {
|
|
this.config = getMergedConfig(config, this.config);
|
|
if (!name) {
|
|
return Promise.reject(
|
|
new Error('A name must be specified for the generated migration')
|
|
);
|
|
}
|
|
await this._ensureFolder();
|
|
const createdMigrationFilePath = await this._writeNewMigration(name);
|
|
return createdMigrationFilePath;
|
|
}
|
|
|
|
// Ensures a folder for the migrations exist, dependent on the migration
|
|
// config settings.
|
|
_ensureFolder() {
|
|
const dirs = this._absoluteConfigDirs();
|
|
|
|
const promises = dirs.map(ensureDirectoryExists);
|
|
|
|
return Promise.all(promises);
|
|
}
|
|
|
|
_getStubPath() {
|
|
return (
|
|
this.config.stub ||
|
|
path.join(__dirname, 'stub', this.config.extension + '.stub')
|
|
);
|
|
}
|
|
|
|
_getNewMigrationName(name) {
|
|
if (name[0] === '-') name = name.slice(1);
|
|
return yyyymmddhhmmss() + '_' + name + '.' + this.config.extension;
|
|
}
|
|
|
|
_getNewMigrationPath(name) {
|
|
const fileName = this._getNewMigrationName(name);
|
|
const dirs = this._absoluteConfigDirs();
|
|
const dir = dirs.slice(-1)[0]; // Get last specified directory
|
|
return path.join(dir, fileName);
|
|
}
|
|
|
|
// Write a new migration to disk, using the config and generated filename,
|
|
// passing any `variables` given in the config to the template.
|
|
async _writeNewMigration(name) {
|
|
const migrationPath = this._getNewMigrationPath(name);
|
|
await writeJsFileUsingTemplate(
|
|
migrationPath,
|
|
this._getStubPath(),
|
|
{ variable: 'd' },
|
|
this.config.variables || {}
|
|
);
|
|
return migrationPath;
|
|
}
|
|
|
|
_absoluteConfigDirs() {
|
|
const directories = Array.isArray(this.config.directory)
|
|
? this.config.directory
|
|
: [this.config.directory];
|
|
return directories.map((directory) => {
|
|
if (!directory) {
|
|
// eslint-disable-next-line no-console
|
|
console.warn(
|
|
'Failed to resolve config file, knex cannot determine where to generate migrations'
|
|
);
|
|
}
|
|
return path.resolve(process.cwd(), directory);
|
|
});
|
|
}
|
|
}
|
|
|
|
// Ensure that we have 2 places for each of the date segments.
|
|
function padDate(segment) {
|
|
segment = segment.toString();
|
|
return segment[1] ? segment : `0${segment}`;
|
|
}
|
|
|
|
// Get a date object in the correct format, without requiring a full out library
|
|
// like "moment.js".
|
|
function yyyymmddhhmmss() {
|
|
const d = new Date();
|
|
return (
|
|
d.getFullYear().toString() +
|
|
padDate(d.getMonth() + 1) +
|
|
padDate(d.getDate()) +
|
|
padDate(d.getHours()) +
|
|
padDate(d.getMinutes()) +
|
|
padDate(d.getSeconds())
|
|
);
|
|
}
|
|
|
|
export default MigrationGenerator;
|