fix: tell the {N} CLI to ignore the source dir when watching for changes

fixes #584

lib/before-watchPatterns.js

@@ -1,36 +1,19 @@
 const { basename } = require("path");
-const {
-    buildEnvData,
-    getCompilationContext,
-} = require("./utils");
+const { getAppPathFromProjectData } = require("../projectHelpers");
 
 module.exports = function (hookArgs) {
     const { liveSyncData } = hookArgs;
     if (!liveSyncData || !liveSyncData.bundle) {
         return;
     }
 
-    const { platforms } = hookArgs;
-    const { env } = liveSyncData;
     return (args, originalMethod) => {
         return originalMethod(...args).then(originalPatterns => {
-            if (!platforms || !platforms.length) {
-                throw new Error("Target platform should be specified!");
-            }
 
-            const compilationContexts = platforms.map(platform =>
-                getContext(hookArgs.projectData, platform, env));
+            const appPath = getAppPathFromProjectData(hookArgs.projectData);
+            const ignorePattern = `!${appPath}`;
 
-            const ignorePatterns = compilationContexts.map(
-                context => `!${context}`
-            );
-
-            return [...originalPatterns, ...ignorePatterns];
+            return [...originalPatterns, ignorePattern];
         });
     };
 }
-
-function getContext(projectData, platform, env) {
-    const fullEnvData = buildEnvData(projectData, platform, env);
-    return getCompilationContext(projectData.projectDir, fullEnvData);
-}