add findLongestCommonDirectory

Author: PayneFuRC

packages/app-builder-lib/src/util/appFileCopier.ts

@@ -18,6 +18,23 @@ const BOWER_COMPONENTS_PATTERN = `${path.sep}bower_components${path.sep}`
 /** @internal */
 export const ELECTRON_COMPILE_SHIM_FILENAME = "__shim.js"
 
+function findLongestCommonDirectory(path1: string, path2: string) {
+  const parts1 = path1.split(path.sep)
+  const parts2 = path2.split(path.sep)
+
+  const commonParts = []
+
+  for (let i = 0; i < Math.min(parts1.length, parts2.length); i++) {
+    if (parts1[i] === parts2[i]) {
+      commonParts.push(parts1[i])
+    } else {
+      break
+    }
+  }
+
+  return commonParts.length > 0 ? path.join(...commonParts, path.sep) : path.sep
+}
+
 export function getDestinationPath(file: string, fileSet: ResolvedFileSet) {
   if (file === fileSet.src) {
     return fileSet.destination
@@ -27,17 +44,8 @@ export function getDestinationPath(file: string, fileSet: ResolvedFileSet) {
     if (file.length > src.length && file.startsWith(src) && file[src.length] === path.sep) {
       return dest + file.substring(src.length)
     } else {
-      // hoisted node_modules
-      // not lastIndexOf, to ensure that nested module (top-level module depends on) copied to parent node_modules, not to top-level directory
-      // project https://github.com/angexis/punchcontrol/commit/cf929aba55c40d0d8901c54df7945e1d001ce022
-      let index = file.indexOf(NODE_MODULES_PATTERN)
-      if (index < 0 && file.endsWith(`${path.sep}node_modules`)) {
-        index = file.length - 13
-      }
-      // if (index < 0) {
-      //   throw new Error(`File "${file}" not under the source directory "${fileSet.src}"`)
-      // }
-      return dest + file.substring(index)
+      const commonParts = findLongestCommonDirectory(file, dest)
+      return dest + file.substring(commonParts.length)
     }
   }
 }