@sentzunhat/zacatl
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A modular, high-performance TypeScript microservice framework for Node.js, featuring layered architecture, dependency injection, and robust validation for building scalable APIs and distributed systems.
69 lines • 2.52 kB
JavaScript
export const createSequelizeAdapter = (config) => {
class LazySequelizeAdapter {
cfg;
model;
loaded = null;
constructor(cfg) {
this.cfg = cfg;
this.model = cfg.model;
}
async load() {
if (this.loaded)
return this.loaded;
this.loaded = (async () => {
try {
const mod = await import('./adapter.js');
return new mod.SequelizeAdapter(this.cfg);
}
catch (err) {
const e = err instanceof Error ? err : new Error(String(err));
throw new Error(`Failed to load Sequelize adapter. Ensure optional dependency 'sequelize' and its dialect packages are installed. Original error: ${e.message}`);
}
})();
return this.loaded;
}
toLean(input) {
if (input == null)
return null;
const maybeWithGet = input;
const plain = typeof maybeWithGet.get === 'function'
? maybeWithGet.get({ plain: true })
: input;
const idValue = plain['id'] ?? plain['_id'];
const createdAtValue = plain['createdAt'];
const updatedAtValue = plain['updatedAt'];
return {
...plain,
id: idValue !== undefined && idValue !== null ? String(idValue) : '',
createdAt: createdAtValue != null ? new Date(createdAtValue) : new Date(),
updatedAt: updatedAtValue != null ? new Date(updatedAtValue) : new Date(),
};
}
async findById(id) {
const real = await this.load();
return real.findById(id);
}
async findMany(filter = {}) {
const real = await this.load();
return real.findMany(filter);
}
async create(entity) {
const real = await this.load();
return real.create(entity);
}
async update(id, update) {
const real = await this.load();
return real.update(id, update);
}
async delete(id) {
const real = await this.load();
return real.delete(id);
}
async exists(id) {
const real = await this.load();
return real.exists(id);
}
}
return new LazySequelizeAdapter(config);
};
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