add stats cases for named chunks

Author: timse

test/statsCases/named-chunks-plugin-async/entry.js

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+import("./modules/a");
+import("./modules/b");
+

test/statsCases/named-chunks-plugin-async/expected.txt

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+Hash: ad8adb01e611de794006
+Time: Xms
+                     Asset       Size                   Chunks             Chunk Names
+chunk-containing-__a_js.js  266 bytes  chunk-containing-__a_js  [emitted]  
+chunk-containing-__b_js.js  123 bytes  chunk-containing-__b_js  [emitted]  
+                  entry.js    5.93 kB                    entry  [emitted]  entry
+chunk {chunk-containing-__a_js} chunk-containing-__a_js.js 37 bytes {entry} [rendered]
+    [2] (webpack)/test/statsCases/named-chunks-plugin-async/modules/a.js 37 bytes {chunk-containing-__a_js} [built]
+chunk {chunk-containing-__b_js} chunk-containing-__b_js.js 22 bytes {chunk-containing-__a_js} {entry} [rendered]
+    [0] (webpack)/test/statsCases/named-chunks-plugin-async/modules/b.js 22 bytes {chunk-containing-__b_js} [built]
+chunk {entry} entry.js (entry) 47 bytes [entry] [rendered]
+    [1] (webpack)/test/statsCases/named-chunks-plugin-async/entry.js 47 bytes {entry} [built]

test/statsCases/named-chunks-plugin-async/modules/a.js

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+import("./b");
+module.exports = "a";

test/statsCases/named-chunks-plugin-async/modules/b.js

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+module.exports = "b";

test/statsCases/named-chunks-plugin-async/webpack.config.js

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+"use strict";
+
+const NamedChunksPlugin = require("../../../lib/NamedChunksPlugin");
+const RequestShortener = require("../../../lib/RequestShortener");
+
+module.exports = {
+	entry: {
+		"entry": "./entry",
+	},
+	plugins: [
+		new NamedChunksPlugin(function(chunk) {
+			if(chunk.name) {
+				return chunk.name;
+			}
+			const modulesToName = (mods) => mods.map((mod) => {
+				const rs = new RequestShortener(mod.context);
+				return rs.shorten(mod.request).replace(/[.\/\\]/g, "_");
+			}).join("-");
+
+			if(chunk.modules.length > 0) {
+				return `chunk-containing-${modulesToName(chunk.modules)}`;
+			}
+
+			return null;
+		}),
+	]
+};

test/statsCases/named-chunks-plugin/entry.js

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+require("./modules/a");
+require("./modules/b");
+require("./modules/c");

test/statsCases/named-chunks-plugin/expected.txt

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+Hash: 94a45a9bbaecf6012107
+Time: Xms
+      Asset       Size            Chunks             Chunk Names
+   entry.js  356 bytes   entry, manifest  [emitted]  entry
+manifest.js    5.72 kB          manifest  [emitted]  manifest
+  vendor.js  408 bytes  vendor, manifest  [emitted]  vendor
+chunk {entry} entry.js (entry) 94 bytes {vendor} [initial] [rendered]
+ [./entry.js] (webpack)/test/statsCases/named-chunks-plugin/entry.js 72 bytes {entry} [built]
+ [./modules/c.js] (webpack)/test/statsCases/named-chunks-plugin/modules/c.js 22 bytes {entry} [built]
+chunk {manifest} manifest.js (manifest) 0 bytes [entry] [rendered]
+chunk {vendor} vendor.js (vendor) 84 bytes {manifest} [initial] [rendered]
+ [./modules/a.js] (webpack)/test/statsCases/named-chunks-plugin/modules/a.js 22 bytes {vendor} [built]
+ [./modules/b.js] (webpack)/test/statsCases/named-chunks-plugin/modules/b.js 22 bytes {vendor} [built]
+    [0] multi ./modules/a ./modules/b 40 bytes {vendor} [built]

test/statsCases/named-chunks-plugin/modules/a.js

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+module.exports = "a";

test/statsCases/named-chunks-plugin/modules/b.js

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+module.exports = "b";

test/statsCases/named-chunks-plugin/modules/c.js

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+module.exports = "c";