feat: add debugger

Author: antongolub

bin/runner.js

@@ -1,6 +1,9 @@
 const get = require("lodash.get");
 
 module.exports = flags => {
+	const debug = require("../lib/debug");
+	debug.config(flags.debug);
+
 	if (flags.watchspawn || get(flags, "debug.spawn")) {
 		require("../lib/spawnHook").hook();
 	}

lib/createInlinePluginCreator.js

@@ -4,6 +4,7 @@ const wait = require("./wait");
 const getCommitsFiltered = require("./getCommitsFiltered");
 const getManifest = require("./getManifest");
 const hasChangedDeep = require("./hasChangedDeep");
+const debug = require("./debug");
 
 /**
  * Create an inline plugin creator for a multirelease.
@@ -30,9 +31,12 @@ function createInlinePluginCreator(packages, multiContext) {
 	 * @internal
 	 */
 	const updateManifestDeps = (pkg, path) => {
+		const dbg = debug.create("deps");
+
 		// Get and parse manifest file contents.
 		const manifest = getManifest(path);
 
+		dbg("name=", manifest.name);
 		// Loop through localDeps to update dependencies/devDependencies/peerDependencies in manifest.
 		pkg._localDeps.forEach(d => {
 			// Get version of dependency.
@@ -46,6 +50,8 @@ function createInlinePluginCreator(packages, multiContext) {
 			if (manifest.dependencies.hasOwnProperty(d.name)) manifest.dependencies[d.name] = release.version;
 			if (manifest.devDependencies.hasOwnProperty(d.name)) manifest.devDependencies[d.name] = release.version;
 			if (manifest.peerDependencies.hasOwnProperty(d.name)) manifest.peerDependencies[d.name] = release.version;
+
+			dbg("dep.name=", d.name, "dep.version=", release.version);
 		});
 
 		// Write package.json back out.

lib/debug.js

@@ -0,0 +1,22 @@
+const get = require("lodash.get");
+const getLogger = require("./getLogger");
+const logger = getLogger({
+	stdout: process.stdout,
+	stderr: process.stderr
+});
+
+let opts;
+
+const createDebugger = prefix => (...input) => {
+	const enabled = get(opts, "debug" + (prefix ? "." + prefix : ""));
+
+	if (enabled) {
+		return logger.log(...input);
+	}
+};
+
+const debug = createDebugger();
+debug.config = flags => (opts = flags);
+debug.create = createDebugger;
+
+module.exports = debug;