@mikro-orm/migrations/MigrationGenerator.js

TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, PostgreSQL and SQLite databases as well as usage with vanilla JavaScript.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MigrationGenerator = void 0;
const core_1 = require("@mikro-orm/core");
const fs_extra_1 = require("fs-extra");
class MigrationGenerator {
    driver;
    namingStrategy;
    options;
    constructor(driver, namingStrategy, options) {
        this.driver = driver;
        this.namingStrategy = namingStrategy;
        this.options = options;
    }
    /**
     * @inheritDoc
     */
    async generate(diff, path, name) {
        /* istanbul ignore next */
        const defaultPath = this.options.emit === 'ts' && this.options.pathTs ? this.options.pathTs : this.options.path;
        path = core_1.Utils.normalizePath(this.driver.config.get('baseDir'), path ?? defaultPath);
        await (0, fs_extra_1.ensureDir)(path);
        const timestamp = new Date().toISOString().replace(/[-T:]|\.\d{3}z$/ig, '');
        const className = this.namingStrategy.classToMigrationName(timestamp, name);
        const fileName = `${this.options.fileName(timestamp, name)}.${this.options.emit}`;
        const ret = await this.generateMigrationFile(className, diff);
        await (0, fs_extra_1.writeFile)(path + '/' + fileName, ret, { flush: true });
        return [ret, fileName];
    }
    /**
     * @inheritDoc
     */
    createStatement(sql, padLeft) {
        if (sql) {
            const padding = ' '.repeat(padLeft);
            return `${padding}this.addSql(\`${sql.replace(/[`$\\]/g, '\\$&')}\`);\n`;
        }
        return '\n';
    }
}
exports.MigrationGenerator = MigrationGenerator;