nest-simple-config
Version:
A powerful and flexible configuration management library for NestJS applications. Supports JSON, YAML file loading, environment variable overrides, immutable configurations, and type-safe configuration access with dependency injection.
105 lines (104 loc) • 4.15 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ConfigurationBuilder = void 0;
const _ = __importStar(require("lodash"));
const config_validate_exception_1 = require("./exceptions/config-validate-exception");
class ConfigurationBuilder {
constructor(options) {
this.options = options;
this.providers = [];
}
add(provider) {
this.providers.push(provider);
return this;
}
addRange(...provider) {
for (const p of provider) {
this.providers.push(p);
}
return this;
}
build() {
const customMerge = (obj, src) => {
switch (this.options.arrayMergeMode) {
case 'section':
return _.merge(obj, src);
case 'all':
return _.mergeWith(obj, src, (objValue, srcValue) => _.isArray(srcValue) ? srcValue : undefined);
default:
throw new Error(`merge mode ${this.options.arrayMergeMode} not supports .`);
}
};
const configObjWithMsgs = _.chain(this.providers)
.map(p => p.loadConfigObject())
.map(co => {
const providerMsgAry = [];
if (this.options.validator) {
const validatorFunc = this.options.validator.validator;
let exception = undefined;
try {
validatorFunc(co);
}
catch (e) {
exception = e;
}
switch (this.options.validator.checkLevel) {
case 'warn':
if (exception) {
console.warn(co.toString() + exception.message);
}
break;
case 'error':
if (exception) {
throw new config_validate_exception_1.ConfigValidateException(exception.message, [co.toString()]);
}
break;
case 'detail':
break;
default:
throw new Error(`check level ${this.options.validator.checkLevel} not supports .`);
}
}
return {
configObj: co,
providerMsgAry,
};
})
.reduce((p, c) => {
const co = p.configObj ? customMerge(p.configObj, c.configObj) : c.configObj;
return {
configObj: co,
providerMsgAry: p?.providerMsgAry.length === 0 ? p.providerMsgAry.concat(c.providerMsgAry) : c.providerMsgAry,
};
})
.value();
if (configObjWithMsgs.providerMsgAry.length > 0) {
throw new config_validate_exception_1.ConfigValidateException('config validate error', configObjWithMsgs.providerMsgAry.map(p => `${p.provider} ${p.message}`));
}
return configObjWithMsgs.configObj;
}
}
exports.ConfigurationBuilder = ConfigurationBuilder;