@nestjs/cli
Version:
Nest - modern, fast, powerful node.js web framework (@cli)
62 lines (61 loc) • 2.23 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.NestConfigurationLoader = void 0;
const readers_1 = require("../readers");
const defaults_1 = require("./defaults");
/**
* A cache table that maps some reader (by its name along with the config path)
* to a loaded configuration.
* This was added because several commands relies on the app's config in order
* to generate some dynanmic content prior running the command itself.
*/
const loadedConfigsCache = new Map();
class NestConfigurationLoader {
constructor(reader) {
this.reader = reader;
}
load(name) {
const cacheEntryKey = `${this.reader.constructor.name}:${name}`;
const cachedConfig = loadedConfigsCache.get(cacheEntryKey);
if (cachedConfig) {
return cachedConfig;
}
let loadedConfig;
const contentOrError = name
? this.reader.read(name)
: this.reader.readAnyOf([
'nest-cli.json',
'.nest-cli.json',
]);
if (contentOrError) {
const isMissingPermissionsError = contentOrError instanceof readers_1.ReaderFileLackPermissionsError;
if (isMissingPermissionsError) {
console.error(contentOrError.message);
process.exit(1);
}
const fileConfig = JSON.parse(contentOrError);
if (fileConfig.compilerOptions) {
loadedConfig = {
...defaults_1.defaultConfiguration,
...fileConfig,
compilerOptions: {
...defaults_1.defaultConfiguration.compilerOptions,
...fileConfig.compilerOptions,
},
};
}
else {
loadedConfig = {
...defaults_1.defaultConfiguration,
...fileConfig,
};
}
}
else {
loadedConfig = defaults_1.defaultConfiguration;
}
loadedConfigsCache.set(cacheEntryKey, loadedConfig);
return loadedConfig;
}
}
exports.NestConfigurationLoader = NestConfigurationLoader;