feat: added declarative config support

bin/cli.js

@@ -35,47 +35,6 @@ const cli = meow(
 			const argvStart = process.argv.includes("--") ? process.argv.indexOf("--") + 1 : 2;
 			return process.argv.slice(argvStart);
 		},
-		flags: {
-			sequentialInit: {
-				type: "boolean",
-			},
-			sequentialPrepare: {
-				type: "boolean",
-				default: true,
-			},
-			firstParent: {
-				type: "boolean",
-			},
-			debug: {
-				type: "boolean",
-			},
-			"deps.bump": {
-				type: "string",
-				default: "override",
-			},
-			"deps.release": {
-				type: "string",
-				default: "patch",
-			},
-			"deps.prefix": {
-				type: "string",
-				default: "",
-			},
-			ignorePrivate: {
-				type: "boolean",
-				default: true,
-			},
-			ignorePackages: {
-				type: "string",
-			},
-			tagFormat: {
-				type: "string",
-				default: "${name}@${version}",
-			},
-			dryRun: {
-				type: "boolean",
-			},
-		},
 	}
 );
 

bin/runner.js

@@ -1,14 +1,11 @@
 import { createRequire } from "module";
 
-export default async (flags) => {
+export default async (cliFlags) => {
 	const require = createRequire(import.meta.url);
 
-	if (flags.debug) {
-		require("debug").enable("msr:*");
-	}
-
 	// Imports.
 	const getPackagePaths = (await import("../lib/getPackagePaths.js")).default;
+	const getConfigMultiSemrel = (await import("../lib/getConfigMultiSemrel.js")).default;
 	const multiSemanticRelease = (await import("../lib/multiSemanticRelease.js")).default;
 	const multisemrelPkgJson = require("../package.json");
 	const semrelPkgJson = require("semantic-release/package.json");
@@ -18,6 +15,12 @@ export default async (flags) => {
 
 	// Catch errors.
 	try {
+		const flags = await getConfigMultiSemrel(cwd, cliFlags);
+
+		if (flags.debug) {
+			require("debug").enable("msr:*");
+		}
+
 		console.log(`multi-semantic-release version: ${multisemrelPkgJson.version}`);
 		console.log(`semantic-release version: ${semrelPkgJson.version}`);
 		console.log(`flags: ${JSON.stringify(flags, null, 2)}`);
@@ -34,7 +37,7 @@ export default async (flags) => {
 			},
 			(error) => {
 				// Log out errors.
-				console.error(`[multi-semantic-release111]:`, error);
+				console.error(`[multi-semantic-release]:`, error);
 				process.exit(1);
 			}
 		);

lib/getConfigMultiSemrel.js

@@ -0,0 +1,67 @@
+import { cosmiconfig } from "cosmiconfig";
+import { default as resolveFrom } from "resolve-from";
+import { pickBy, isNil, castArray } from "lodash-es";
+
+const CONFIG_NAME = "multi-release";
+const CONFIG_FILES = [
+	"package.json",
+	`.${CONFIG_NAME}rc`,
+	`.${CONFIG_NAME}rc.json`,
+	`.${CONFIG_NAME}rc.yaml`,
+	`.${CONFIG_NAME}rc.yml`,
+	`.${CONFIG_NAME}rc.js`,
+	`.${CONFIG_NAME}rc.cjs`,
+	`${CONFIG_NAME}.config.js`,
+	`${CONFIG_NAME}.config.cjs`,
+];
+
+/**
+ * Get the multi semantic release configuration options for a given directory.
+ *
+ * @param {string} cwd The directory to search.
+ * @param {Object} cliOptions cli supplied options.
+ * @returns {Object} The found configuration option
+ *
+ * @internal
+ */
+export default async function getConfig(cwd, cliOptions) {
+	const { config } = (await cosmiconfig(CONFIG_NAME, { searchPlaces: CONFIG_FILES }).search(cwd)) || {};
+	const { extends: extendPaths, ...rest } = { ...config, ...cliOptions };
+
+	let options = rest;
+
+	if (extendPaths) {
+		// If `extends` is defined, load and merge each shareable config with `options`
+		options = {
+			...castArray(extendPaths).reduce((result, extendPath) => {
+				const extendsOptions = require(resolveFrom.silent(__dirname, extendPath) ||
+					resolveFrom(cwd, extendPath));
+				return { ...result, ...extendsOptions };
+			}, {}),
+			...options,
+		};
+	}
+
+	// Set default options values if not defined yet
+	options = {
+		sequentialInit: false,
+		sequentialPrepare: true,
+		firstParent: false,
+		debug: false,
+		ignorePrivate: true,
+		ignorePackages: "",
+		tagFormat: "${name}@${version}",
+		dryRun: false,
+		// Remove `null` and `undefined` options so they can be replaced with default ones
+		...pickBy(options, (option) => !isNil(option)),
+		// Treat nested objects differently as otherwise we'll loose undefined keys
+		deps: {
+			bump: "override",
+			release: "patch",
+			prefix: "",
+			...pickBy(options.deps, (option) => !isNil(option)),
+		},
+	};
+
+	return options;
+}

package.json

@@ -68,14 +68,15 @@
 		"lodash-es": "^4.17.21",
 		"meow": "^10.1.2",
 		"promise-events": "^0.2.4",
+		"resolve-from": "^5.0.0",
 		"semantic-release": "^19.0.2",
 		"semver": "^7.3.7",
 		"signale": "^1.4.0",
 		"stream-buffers": "^3.0.2"
 	},
 	"devDependencies": {
-		"@jest/globals": "^28.1.0",
 		"@commitlint/config-conventional": "^17.0.0",
+		"@jest/globals": "^28.1.0",
 		"@semantic-release/changelog": "^6.0.1",
 		"@semantic-release/git": "^10.0.1",
 		"@semantic-release/github": "^8.0.4",