✨ Make frontend build and watch process more resilent to errors

frontend/scripts/_helpers.js

@@ -174,6 +174,7 @@ export async function watch(baseDir, predicate, callback) {
   const watcher = new Watcher(baseDir, {
     persistent: true,
     recursive: true,
+    debounce: 500
   });
 
   watcher.on("change", (path) => {
@@ -181,8 +182,19 @@ export async function watch(baseDir, predicate, callback) {
       callback(path);
     }
   });
+
+
+  watcher.on("error", (cause) => {
+    console.log("WATCHER ERROR", cause);
+  });
 }
 
+export async function ensureDirectories() {
+  await fs.mkdir("./resources/public/js/worker/", { recursive: true });
+  await fs.mkdir("./resources/public/css/", { recursive: true });
+}
+
+
 async function readManifestFile(resource) {
   const manifestPath = "resources/public/" + resource;
   let content = await fs.readFile(manifestPath, { encoding: "utf8" });
@@ -260,6 +272,9 @@ const markedOptions = {
 marked.use(markedOptions);
 
 export async function compileTranslations() {
+  const outputDir = "resources/public/js/";
+  await fs.mkdir(outputDir, { recursive: true });
+
   const langs = [
     "ar",
     "ca",
@@ -341,7 +356,6 @@ export async function compileTranslations() {
     }
 
     const esm = `export default ${JSON.stringify(result, null, 0)};\n`;
-    const outputDir = "resources/public/js/";
     const outputFile = ph.join(outputDir, "translation." + lang + ".js");
     await fs.writeFile(outputFile, esm);
   }
@@ -499,17 +513,43 @@ export async function compileStyles() {
 export async function compileSvgSprites() {
   const start = process.hrtime();
   log.info("init: compile svgsprite");
-  await generateSvgSprites();
+  let error = false;
+
+  try {
+    await generateSvgSprites();
+  } catch (cause) {
+    error = cause;
+  }
+
   const end = process.hrtime(start);
-  log.info("done: compile svgsprite", `(${ppt(end)})`);
+
+  if (error) {
+    log.error("error: compile svgsprite", `(${ppt(end)})`);
+    console.error(error);
+  } else {
+    log.info("done: compile svgsprite", `(${ppt(end)})`);
+  }
 }
 
 export async function compileTemplates() {
   const start = process.hrtime();
+  let error = false;
   log.info("init: compile templates");
-  await generateTemplates();
+
+  try {
+    await generateTemplates();
+  } catch (cause) {
+    error = cause;
+  }
+
   const end = process.hrtime(start);
-  log.info("done: compile templates", `(${ppt(end)})`);
+
+  if (error) {
+    log.error("error: compile templates", `(${ppt(end)})`);
+    console.error(error);
+  } else {
+    log.info("done: compile templates", `(${ppt(end)})`);
+  }
 }
 
 export async function compilePolyfills() {

frontend/scripts/_worker.js

@@ -28,14 +28,12 @@ async function compileFile(path) {
         ],
         sourceMap: false,
       });
-      // console.dir(result);
       resolve({
         inputPath: path,
         outputPath: dest,
         css: result.css,
       });
     } catch (cause) {
-      console.error(cause);
       reject(cause);
     }
   });

frontend/scripts/build-app-assets.js

@@ -1,5 +1,6 @@
 import * as h from "./_helpers.js";
 
+await h.ensureDirectories();
 await h.compileStyles();
 await h.copyAssets();
 await h.copyWasmPlayground();

frontend/scripts/watch.js

@@ -12,19 +12,31 @@ let sass = null;
 
 async function compileSassAll() {
   const start = process.hrtime();
+  let error = false;
+
   log.info("init: compile styles");
 
-  sass = await h.compileSassAll(worker);
-  let output = await h.concatSass(sass);
-  await fs.writeFile("./resources/public/css/main.css", output);
+  try {
+    sass = await h.compileSassAll(worker);
+    let output = await h.concatSass(sass);
+    await fs.writeFile("./resources/public/css/main.css", output);
 
-  if (isDebug) {
-    let debugCSS = await h.compileSassDebug(worker);
-    await fs.writeFile("./resources/public/css/debug.css", debugCSS);
+    if (isDebug) {
+      let debugCSS = await h.compileSassDebug(worker);
+      await fs.writeFile("./resources/public/css/debug.css", debugCSS);
+    }
+  } catch (cause) {
+    error = cause;
   }
 
   const end = process.hrtime(start);
-  log.info("done: compile styles", `(${ppt(end)})`);
+
+  if (error) {
+    log.error("error: compile styles", `(${ppt(end)})`);
+    console.error(error);
+  } else {
+    log.info("done: compile styles", `(${ppt(end)})`);
+  }
 }
 
 async function compileSass(path) {
@@ -48,7 +60,7 @@ async function compileSass(path) {
   }
 }
 
-await fs.mkdir("./resources/public/css/", { recursive: true });
+await h.ensureDirectories();
 await compileSassAll();
 await h.copyAssets();
 await h.copyWasmPlayground();