Method _readConfigFile

lib/graph/Module.js:285–376

()

	}

	async _readConfigFile() {
		const configPath = this._configPath;
		let configFile;
		if (path.isAbsolute(configPath)) {
			// Handle absolute file paths with the native FS module
			try {
				configFile = await readFile(configPath, {encoding: "utf8"});
			} catch (err) {
				// TODO: Caller might wants to ignore exceptions for ENOENT errors for non-root projects
				// However, this decision should not be made here
				throw new Error("Failed to read configuration for module " +
						`${this.getId()} at '${configPath}'. Error: ${err.message}`);
			}
		} else {
			// Handle relative file paths with the @ui5/fs (virtual) file system
			const reader = this.getReader();
			let configResource;
			try {
				configResource = await reader.byPath(path.posix.join("/", configPath));
			} catch (err) {
				throw new Error("Failed to read configuration for module " +
						`${this.getId()} at "${configPath}". Error: ${err.message}`);
			}
			if (!configResource) {
				if (configPath !== DEFAULT_CONFIG_PATH) {
					throw new Error("Failed to read configuration for module " +
							`${this.getId()}: Could not find configuration file in module at path '${configPath}'`);
				}
				return null;
			}
			configFile = await configResource.getString();
		}

		let configs;

		try {
			// Using loadAll with DEFAULT_SAFE_SCHEMA instead of safeLoadAll to pass "filename".
			// safeLoadAll doesn't handle its parameters properly.
			// See https://github.com/nodeca/js-yaml/issues/456 and https://github.com/nodeca/js-yaml/pull/381
			configs = jsyaml.loadAll(configFile, undefined, {
				filename: configPath,
				schema: jsyaml.DEFAULT_SAFE_SCHEMA
			});
		} catch (err) {
			if (err.name === "YAMLException") {
				throw new Error("Failed to parse configuration for project " +
				`${this.getId()} at '${configPath}'\nError: ${err.message}`);
			} else {
				throw err;
			}
		}

		if (!configs || !configs.length) {
			// No configs found => exit here
			return configs;
		}

		// Validate found configurations with schema