Merge pull request #16882 from snitin315/limit-identifier-length

fix: limit module readable identifier length in stats

Author: TheLarkInn

lib/stats/DefaultStatsPrinterPlugin.js

@@ -10,6 +10,7 @@
 /** @typedef {import("./StatsPrinter").StatsPrinterContext} StatsPrinterContext */
 
 const DATA_URI_CONTENT_LENGTH = 16;
+const MAX_MODULE_IDENTIFIER_LENGTH = 80;
 
 const plural = (n, singular, plural) => (n === 1 ? singular : plural);
 
@@ -42,6 +43,19 @@ const getResourceName = resource => {
 
 const getModuleName = name => {
 	const [, prefix, resource] = /^(.*!)?([^!]*)$/.exec(name);
+
+	if (resource.length > MAX_MODULE_IDENTIFIER_LENGTH) {
+		const truncatedResource = `${resource.slice(
+			0,
+			Math.min(
+				resource.length - /* '...(truncated)'.length */ 14,
+				MAX_MODULE_IDENTIFIER_LENGTH
+			)
+		)}...(truncated)`;
+
+		return [prefix, getResourceName(truncatedResource)];
+	}
+
 	return [prefix, getResourceName(resource)];
 };
 

test/__snapshots__/StatsTestCases.basictest.js.snap

@@ -1193,7 +1193,7 @@ built modules 724 bytes [built]
     ./templates/baz.js 38 bytes [optional] [built] [code generated]
     ./templates/foo.js 38 bytes [optional] [built] [code generated]
   ./entry.js 450 bytes [built] [code generated]
-  ./templates/ lazy ^\\\\.\\\\/.*$ include: \\\\.js$ exclude: \\\\.noimport\\\\.js$ namespace object 160 bytes [optional] [built] [code generated]
+  ./templates/ lazy ^\\\\.\\\\/.*$ include: \\\\.js$ exclude: \\\\.noimport\\\\.js$ na...(truncated) 160 bytes [optional] [built] [code generated]
 webpack x.x.x compiled successfully in X ms"
 `;
 
@@ -1433,6 +1433,13 @@ asset <CLR=32,BOLD>main.js</CLR> 84 bytes <CLR=32,BOLD>[emitted]</CLR> (name: ma
 webpack x.x.x compiled <CLR=32,BOLD>successfully</CLR> in X ms"
 `;
 
+exports[`StatsTestCases should print correct stats for max-external-module-readable-identifier 1`] = `
+"asset main.js 1.45 KiB [emitted] (name: main)
+./index.js 17 bytes [built] [code generated]
+external \\"very-very-very-very-long-external-module-readable-identifier-it-should...(truncated) 42 bytes [built] [code generated]
+webpack x.x.x compiled successfully in X ms"
+`;
+
 exports[`StatsTestCases should print correct stats for max-modules 1`] = `
 "asset main.js 5.47 KiB [emitted] (name: main)
 ./index.js 181 bytes [built] [code generated]

test/statsCases/max-external-module-readable-identifier/index.js

@@ -0,0 +1 @@
+require("test");

test/statsCases/max-external-module-readable-identifier/webpack.config.js

@@ -0,0 +1,8 @@
+/** @type {import("../../../types").Configuration} */
+module.exports = {
+	mode: "production",
+	entry: "./index",
+	externals: {
+		test: "commonjs very-very-very-very-long-external-module-readable-identifier-it-should-be-truncated"
+	}
+};