Laca-City/backend/node_modules/@nestjs/config/dist/config.service.js

"use strict";
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exports.ConfigService = void 0;
const common_1 = require("@nestjs/common");
const shared_utils_1 = require("@nestjs/common/utils/shared.utils");
const dotenv = __importStar(require("dotenv"));
const fs_1 = __importDefault(require("fs"));
const get_1 = __importDefault(require("lodash/get"));
const has_1 = __importDefault(require("lodash/has"));
const set_1 = __importDefault(require("lodash/set"));
const rxjs_1 = require("rxjs");
const config_constants_1 = require("./config.constants");
/**
 * @publicApi
 */
let ConfigService = class ConfigService {
    set isCacheEnabled(value) {
        this._isCacheEnabled = value;
    }
    get isCacheEnabled() {
        return this._isCacheEnabled;
    }
    constructor(internalConfig = {}) {
        this.internalConfig = internalConfig;
        this.cache = {};
        this._changes$ = new rxjs_1.Subject();
        this._isCacheEnabled = false;
        this.envFilePaths = [];
    }
    /**
     * Returns a stream of configuration changes.
     * Each event contains the attribute path, the old value and the new value.
     */
    get changes$() {
        return this._changes$.asObservable();
    }
    /**
     * Get a configuration value (either custom configuration or process environment variable)
     * based on property path (you can use dot notation to traverse nested object, e.g. "database.host").
     * It returns a default value if the key does not exist.
     * @param propertyPath
     * @param defaultValueOrOptions
     */
    get(propertyPath, defaultValueOrOptions, options) {
        const validatedEnvValue = this.getFromValidatedEnv(propertyPath);
        if (!(0, shared_utils_1.isUndefined)(validatedEnvValue)) {
            return validatedEnvValue;
        }
        const defaultValue = this.isGetOptionsObject(defaultValueOrOptions) &&
            !options
            ? undefined
            : defaultValueOrOptions;
        const processEnvValue = this.getFromProcessEnv(propertyPath, defaultValue);
        if (!(0, shared_utils_1.isUndefined)(processEnvValue)) {
            return processEnvValue;
        }
        const internalValue = this.getFromInternalConfig(propertyPath);
        if (!(0, shared_utils_1.isUndefined)(internalValue)) {
            return internalValue;
        }
        return defaultValue;
    }
    /**
     * Get a configuration value (either custom configuration or process environment variable)
     * based on property path (you can use dot notation to traverse nested object, e.g. "database.host").
     * It returns a default value if the key does not exist.
     * If the default value is undefined an exception will be thrown.
     * @param propertyPath
     * @param defaultValueOrOptions
     */
    getOrThrow(propertyPath, defaultValueOrOptions, options) {
        // @ts-expect-error Bypass method overloads
        const value = this.get(propertyPath, defaultValueOrOptions, options);
        if ((0, shared_utils_1.isUndefined)(value)) {
            throw new TypeError(`Configuration key "${propertyPath.toString()}" does not exist`);
        }
        return value;
    }
    /**
     * Sets a configuration value based on property path.
     * @param propertyPath
     * @param value
     */
    set(propertyPath, value) {
        const oldValue = this.get(propertyPath);
        (0, set_1.default)(this.internalConfig, propertyPath, value);
        if (typeof propertyPath === 'string') {
            process.env[propertyPath] = String(value);
            this.updateInterpolatedEnv(propertyPath, String(value));
        }
        if (this.isCacheEnabled) {
            this.setInCacheIfDefined(propertyPath, value);
        }
        this._changes$.next({
            path: propertyPath,
            oldValue,
            newValue: value,
        });
    }
    /**
     * Sets env file paths from `config.module.ts` to parse.
     * @param paths
     */
    setEnvFilePaths(paths) {
        this.envFilePaths = paths;
    }
    getFromCache(propertyPath, defaultValue) {
        const cachedValue = (0, get_1.default)(this.cache, propertyPath);
        return (0, shared_utils_1.isUndefined)(cachedValue)
            ? defaultValue
            : cachedValue;
    }
    getFromValidatedEnv(propertyPath) {
        const validatedEnvValue = (0, get_1.default)(this.internalConfig[config_constants_1.VALIDATED_ENV_PROPNAME], propertyPath);
        return validatedEnvValue;
    }
    getFromProcessEnv(propertyPath, defaultValue) {
        if (this.isCacheEnabled &&
            (0, has_1.default)(this.cache, propertyPath)) {
            const cachedValue = this.getFromCache(propertyPath, defaultValue);
            return !(0, shared_utils_1.isUndefined)(cachedValue) ? cachedValue : defaultValue;
        }
        const processValue = (0, get_1.default)(process.env, propertyPath);
        this.setInCacheIfDefined(propertyPath, processValue);
        return processValue;
    }
    getFromInternalConfig(propertyPath) {
        const internalValue = (0, get_1.default)(this.internalConfig, propertyPath);
        return internalValue;
    }
    setInCacheIfDefined(propertyPath, value) {
        if (typeof value === 'undefined') {
            return;
        }
        (0, set_1.default)(this.cache, propertyPath, value);
    }
    isGetOptionsObject(options) {
        return options && options?.infer && Object.keys(options).length === 1;
    }
    updateInterpolatedEnv(propertyPath, value) {
        let config = {};
        for (const envFilePath of this.envFilePaths) {
            if (fs_1.default.existsSync(envFilePath)) {
                config = Object.assign(dotenv.parse(fs_1.default.readFileSync(envFilePath)), config);
            }
        }
        const regex = new RegExp(`\\$\\{?${propertyPath}\\}?`, 'g');
        for (const [k, v] of Object.entries(config)) {
            if (regex.test(v)) {
                process.env[k] = v.replace(regex, value);
            }
        }
    }
};
exports.ConfigService = ConfigService;
exports.ConfigService = ConfigService = __decorate([
    (0, common_1.Injectable)(),
    __param(0, (0, common_1.Optional)()),
    __param(0, (0, common_1.Inject)(config_constants_1.CONFIGURATION_TOKEN)),
    __metadata("design:paramtypes", [Object])
], ConfigService);