@buka/nestjs-config
Version:
An easy to use nestjs config module
42 lines (41 loc) • 1.5 kB
JavaScript
export const CONFIG_KEY_METADATA = Symbol('@buka/nestjs-config:config-key');
export const CONFIG_KEY_PROPERTIES_METADATA = Symbol('@buka/nestjs-config:config-key:properties');
export class ConfigurationRegistry {
static registry = [];
static registerProvider(provider) {
this.registry.push(provider);
}
static registerProperty(target, ck) {
if (typeof target !== 'object' || target === null)
return;
if (!Array.isArray(target[CONFIG_KEY_PROPERTIES_METADATA])) {
target[CONFIG_KEY_PROPERTIES_METADATA] = [];
}
target[CONFIG_KEY_PROPERTIES_METADATA].push(ck.propertyKey);
Reflect.defineMetadata(CONFIG_KEY_METADATA, ck, target, ck.propertyKey);
}
static getProviders() {
return [...this.registry];
}
static getProperties(target) {
if (typeof target !== 'object' || target === null)
return [];
return target[CONFIG_KEY_PROPERTIES_METADATA] || [];
}
static getConfigKey(target, propertyKey) {
const metadata = Reflect.getMetadata(CONFIG_KEY_METADATA, target, propertyKey);
if (metadata)
return metadata;
if (typeof propertyKey === 'symbol') {
return {
ignore: true,
propertyKey: propertyKey.toString(),
};
}
return {
ignore: false,
propertyKey: propertyKey.toString(),
configKey: undefined,
};
}
}