1 files changed, 98 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/prefetch/ChunkPrefetchPreloadPlugin.js b/node_modules/webpack/lib/prefetch/ChunkPrefetchPreloadPlugin.js
new file mode 100644
index 00000000..08e78ef6
--- /dev/null
+++ b/node_modules/webpack/lib/prefetch/ChunkPrefetchPreloadPlugin.js
@@ -0,0 +1,98 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const RuntimeGlobals = require("../RuntimeGlobals");
+const ChunkPrefetchFunctionRuntimeModule = require("./ChunkPrefetchFunctionRuntimeModule");
+const ChunkPrefetchStartupRuntimeModule = require("./ChunkPrefetchStartupRuntimeModule");
+const ChunkPrefetchTriggerRuntimeModule = require("./ChunkPrefetchTriggerRuntimeModule");
+const ChunkPreloadTriggerRuntimeModule = require("./ChunkPreloadTriggerRuntimeModule");
+
+/** @typedef {import("../Chunk")} Chunk */
+/** @typedef {import("../ChunkGroup").RawChunkGroupOptions} RawChunkGroupOptions */
+/** @typedef {import("../Compiler")} Compiler */
+
+class ChunkPrefetchPreloadPlugin {
+	/**
+	 * @param {Compiler} compiler the compiler
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"ChunkPrefetchPreloadPlugin",
+			compilation => {
+				compilation.hooks.additionalChunkRuntimeRequirements.tap(
+					"ChunkPrefetchPreloadPlugin",
+					(chunk, set, { chunkGraph }) => {
+						if (chunkGraph.getNumberOfEntryModules(chunk) === 0) return;
+						const startupChildChunks = chunk.getChildrenOfTypeInOrder(
+							chunkGraph,
+							"prefetchOrder"
+						);
+						if (startupChildChunks) {
+							set.add(RuntimeGlobals.prefetchChunk);
+							set.add(RuntimeGlobals.onChunksLoaded);
+							set.add(RuntimeGlobals.exports);
+							compilation.addRuntimeModule(
+								chunk,
+								new ChunkPrefetchStartupRuntimeModule(startupChildChunks)
+							);
+						}
+					}
+				);
+				compilation.hooks.additionalTreeRuntimeRequirements.tap(
+					"ChunkPrefetchPreloadPlugin",
+					(chunk, set, { chunkGraph }) => {
+						const chunkMap = chunk.getChildIdsByOrdersMap(chunkGraph);
+
+						if (chunkMap.prefetch) {
+							set.add(RuntimeGlobals.prefetchChunk);
+							compilation.addRuntimeModule(
+								chunk,
+								new ChunkPrefetchTriggerRuntimeModule(chunkMap.prefetch)
+							);
+						}
+						if (chunkMap.preload) {
+							set.add(RuntimeGlobals.preloadChunk);
+							compilation.addRuntimeModule(
+								chunk,
+								new ChunkPreloadTriggerRuntimeModule(chunkMap.preload)
+							);
+						}
+					}
+				);
+				compilation.hooks.runtimeRequirementInTree
+					.for(RuntimeGlobals.prefetchChunk)
+					.tap("ChunkPrefetchPreloadPlugin", (chunk, set) => {
+						compilation.addRuntimeModule(
+							chunk,
+							new ChunkPrefetchFunctionRuntimeModule(
+								"prefetch",
+								RuntimeGlobals.prefetchChunk,
+								RuntimeGlobals.prefetchChunkHandlers
+							)
+						);
+						set.add(RuntimeGlobals.prefetchChunkHandlers);
+					});
+				compilation.hooks.runtimeRequirementInTree
+					.for(RuntimeGlobals.preloadChunk)
+					.tap("ChunkPrefetchPreloadPlugin", (chunk, set) => {
+						compilation.addRuntimeModule(
+							chunk,
+							new ChunkPrefetchFunctionRuntimeModule(
+								"preload",
+								RuntimeGlobals.preloadChunk,
+								RuntimeGlobals.preloadChunkHandlers
+							)
+						);
+						set.add(RuntimeGlobals.preloadChunkHandlers);
+					});
+			}
+		);
+	}
+}
+
+module.exports = ChunkPrefetchPreloadPlugin;