feat: core-hmr handling & watch ignore

packages/webpack5/src/loaders/nativescript-hot-loader/index.ts

@@ -0,0 +1,32 @@
+import { relative } from "path";
+import dedent from "ts-dedent";
+
+// note: this will bail even if module.hot appears in a comment
+const MODULE_HOT_RE = /module\.hot/
+
+export default function loader(content: string, map: any) {
+	if (MODULE_HOT_RE.test(content)) {
+		// Code already handles HMR - we don't need to do anything
+		return this.callback(null, content, map)
+	}
+	const opts = this.getOptions();
+
+	const relativePath = relative(
+		opts.appPath ?? this.rootContext,
+		this.resourcePath
+	).replace(/\\/g, '/')
+
+	const hmrCode = this.hot
+		? dedent`
+			/* NATIVESCRIPT-HOT-LOADER */
+			if(module.hot && global._isModuleLoadedForUI && global._isModuleLoadedForUI("./${relativePath}")) {
+				module.hot.accept()
+			}
+		`
+		: ``;
+
+	const source = `${content}\n${hmrCode}`
+
+	this.callback(null, source, map)
+}
+