dazjsx
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参考nestjs，基于KOA2的一款轻量级的后端开发框架
54 lines (53 loc) • 1.91 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.TypeOrmFactory = void 0;
const __1 = require("..");
const typeorm_1 = require("typeorm");
const util_1 = require("../util");
const service_1 = require("../service");
class TypeOrmFactory {
static isNullOption(options) {
const { type, host, port, database, username, password } = options || {};
return type && host && port && database && username && password;
}
static setOrm(orm) {
if (util_1.Tool.isNotEmptyObject(orm)) {
if (util_1.Tool.isIoc(orm)) {
const { inject, useFactory } = orm;
const arg = inject.map((r) => new r());
this.options = useFactory(...arg);
}
this.options = orm;
}
}
static set options(options) {
this.ormOptions = options;
}
static get options() {
return this.ormOptions;
}
static async createTypeOrmConnect(entities, cb) {
if (!this.isNullOption(this.options)) {
return cb && cb(null);
}
this.options = util_1.R.defineData(this.options, 'entities', entities);
let con = null;
try {
con = await (0, typeorm_1.createConnection)(this.options);
service_1.LogService.info(__1.CONNECTION_MESSAGE, this.options.type);
}
catch (error) {
service_1.LogService.info('TypeOrm 连接数据库', this.options.type, '失败：', error.message);
if (--this.reTry > 0) {
await util_1.Tool.waiting(1);
return this.createTypeOrmConnect(entities, cb);
}
else {
return process.exit(0);
}
}
return cb && cb(con);
}
}
exports.TypeOrmFactory = TypeOrmFactory;
TypeOrmFactory.reTry = 10;