optimize condition checks

example-projects

@@ -1 +1 @@
-Subproject commit 2324025c8bcf6199992e178714a952e2e1c7f033
+Subproject commit f6690f91334d6a9e751cdfefe13a072560fab69a

scripts/example-run.js

@@ -2,10 +2,17 @@ const path = require("path");
 const exec = require("./lib/shell");
 const globby = require("globby");
 
-let rootDir = path.resolve(__dirname, "..");
-let examplesDir = path.join(rootDir, "example-projects");
-let givenProjName = process.argv[2];
-let runCmd = process.argv[3];
+const rootDir = path.resolve(__dirname, "..");
+const examplesDir = path.join(rootDir, "example-projects");
+const givenProjName = process.argv[2];
+const runCmd = process.argv[3];
+
+///////////////////////////////////////////////////////
+// Project Settings
+const redirectProjects = [["parcel", "parcel-2"]];
+const disabledProjects = ["next", "next-scheduler"];
+const pnpSimulatedProjects = ["angular"];
+///////////////////////////////////////////////////////
 
 if (!givenProjName) {
   console.error('Must specify an example-project name, or "all"');
@@ -17,17 +24,21 @@ if (!runCmd) {
   process.exit(1);
 }
 
-let projNames =
+const projNames =
   givenProjName === "all"
     ? globby.sync("*", { cwd: examplesDir, onlyDirectories: true })
     : [givenProjName];
 
 projNames.forEach((projName) => {
-  // Rewrite projDir and projName to redirect parcel to parcel-2 directory
-  if (projName === "parcel") {
-    console.info("Redirecting to 'parcel-2' directory");
-    projName = "parcel-2";
-  } else if (projName === "next" || projName === "next-scheduler") {
+  // Rewrite projName to redirect directory
+  const redirect = redirectProjects.find(([val]) => val === projName);
+  if (redirect) {
+    console.info(`Redirecting '${redirect[0]}' to '${redirect[1]}' directory`);
+    projName = redirect[1];
+  }
+
+  // Don't run disabled projects
+  if (disabledProjects.includes(projName)) {
     console.info("This example is disabled till the next major release");
     process.exit();
   }
@@ -38,9 +49,9 @@ projNames.forEach((projName) => {
   console.log("PROJECT:", projName);
   console.log(projDir);
 
+  // Decide whether to simulate pnp or run normal yarn
   let execCmd = [runCmd];
-
-  if (projName === "angular") {
+  if (pnpSimulatedProjects.includes(projName)) {
     console.log("Using PnP simulation");
     execCmd = ["example:pnp", projName, runCmd];
   } else {