Initial boiler plate project

node_modules/next/dist/esm/build/webpack/plugins/nextjs-require-cache-hot-reloader.js

@@ -0,0 +1,93 @@
+import { clearModuleContext } from "../../../server/web/sandbox";
+import { realpathSync } from "../../../lib/realpath";
+import path from "path";
+import isError from "../../../lib/is-error";
+import { clearManifestCache } from "../../../server/load-manifest";
+const originModules = [
+    require.resolve("../../../server/require"),
+    require.resolve("../../../server/load-components"),
+    require.resolve("../../../server/next-server"),
+    require.resolve("next/dist/compiled/next-server/app-page.runtime.dev.js"),
+    require.resolve("next/dist/compiled/next-server/app-route.runtime.dev.js"),
+    require.resolve("next/dist/compiled/next-server/pages.runtime.dev.js"),
+    require.resolve("next/dist/compiled/next-server/pages-api.runtime.dev.js")
+];
+const RUNTIME_NAMES = [
+    "webpack-runtime",
+    "webpack-api-runtime"
+];
+function deleteFromRequireCache(filePath) {
+    try {
+        filePath = realpathSync(filePath);
+    } catch (e) {
+        if (isError(e) && e.code !== "ENOENT") throw e;
+    }
+    const mod = require.cache[filePath];
+    if (mod) {
+        // remove the child reference from the originModules
+        for (const originModule of originModules){
+            const parent = require.cache[originModule];
+            if (parent) {
+                const idx = parent.children.indexOf(mod);
+                if (idx >= 0) parent.children.splice(idx, 1);
+            }
+        }
+        // remove parent references from external modules
+        for (const child of mod.children){
+            child.parent = null;
+        }
+        delete require.cache[filePath];
+        return true;
+    }
+    return false;
+}
+export function deleteAppClientCache() {
+    deleteFromRequireCache(require.resolve("next/dist/compiled/next-server/app-page.runtime.dev.js"));
+    deleteFromRequireCache(require.resolve("next/dist/compiled/next-server/app-page-experimental.runtime.dev.js"));
+}
+export function deleteCache(filePath) {
+    // try to clear it from the fs cache
+    clearManifestCache(filePath);
+    deleteFromRequireCache(filePath);
+}
+const PLUGIN_NAME = "NextJsRequireCacheHotReloader";
+// This plugin flushes require.cache after emitting the files. Providing 'hot reloading' of server files.
+export class NextJsRequireCacheHotReloader {
+    constructor(opts){
+        this.prevAssets = null;
+        this.serverComponents = opts.serverComponents;
+    }
+    apply(compiler) {
+        compiler.hooks.assetEmitted.tap(PLUGIN_NAME, (_file, { targetPath })=>{
+            // Clear module context in this process
+            clearModuleContext(targetPath);
+            deleteCache(targetPath);
+        });
+        compiler.hooks.afterEmit.tapPromise(PLUGIN_NAME, async (compilation)=>{
+            for (const name of RUNTIME_NAMES){
+                const runtimeChunkPath = path.join(compilation.outputOptions.path, `${name}.js`);
+                deleteCache(runtimeChunkPath);
+            }
+            // we need to make sure to clear all server entries from cache
+            // since they can have a stale webpack-runtime cache
+            // which needs to always be in-sync
+            let hasAppEntry = false;
+            const entries = [
+                ...compilation.entries.keys()
+            ].filter((entry)=>{
+                const isAppPath = entry.toString().startsWith("app/");
+                if (isAppPath) hasAppEntry = true;
+                return entry.toString().startsWith("pages/") || isAppPath;
+            });
+            if (hasAppEntry) {
+                deleteAppClientCache();
+            }
+            for (const page of entries){
+                const outputPath = path.join(compilation.outputOptions.path, page + ".js");
+                deleteCache(outputPath);
+            }
+        });
+    }
+}
+
+//# sourceMappingURL=nextjs-require-cache-hot-reloader.js.map