Improve support for importing from index file, with or without custom…

… paths or /index.x - #266 (#267)

Improve support for importing from index file, with or without custom paths or /index.x

* Add example to reproduce with import @x
* Working example - issue is the imported file is index.ts
* Improve support for importing from index file, with or without custom paths or /index.x
* Run itests using npm ci to preserve package lock versions
* Add more index itest cases
* Bump version
* Up CHANGELOG

CHANGELOG.md

@@ -1,3 +1,10 @@
+## [9.0.3] - 5 Feb 2023
+
+### Changed
+
+- Fix for import from index file via a custom path - avoids false positives on index files - #266. Now tested with more cases such as import from "foo" OR import from "foo/index" with various file extensions supported.
+- ts-unused-exports npm package: Updated the version in package-lock.json
+
 ## [9.0.2] - 15 Jan 2023
 
 ### Added

CONTRIBUTING.md

@@ -16,7 +16,7 @@ Fork, then clone the repo:
 
 Install dependencies:
 
-    npm i
+    npm ci
 
 Make sure the tests pass:
 

example/.gitignore

@@ -0,0 +1 @@
+**/.DS_Store

example/absolute-paths-2-tsconfigs/package.json

@@ -7,7 +7,7 @@
   "license": "MIT",
   "scripts": {
     "build": "tsc -p ./tsconfig.json",
-    "test": "npm i && npm run build && npm run test:test",
+    "test": "npm ci && npm run build && npm run test:test",
     "test:test": "../../bin/ts-unused-exports ./tsconfig.json"
   },
   "dependencies": {

example/absolute-paths-2-tsconfigs/project/project-1/src/app.ts

@@ -1,5 +1,8 @@
 import { MyComponent1 } from 'components/MyComponent';
+import { fromIndex } from 'components/index';
 
 const comp1: MyComponent1 = new MyComponent1();
 
 export class UnusedComponent {}
+
+console.log(fromIndex);

example/absolute-paths-2-tsconfigs/src/config/components/index.ts

@@ -0,0 +1 @@
+export const fromIndex = "foo2";

example/absolute-paths-simple/package.json

@@ -5,7 +5,7 @@
   "main": "main.js",
   "scripts": {
     "build": "tsc",
-    "test": "npm i && npm run build && ../../bin/ts-unused-exports ./tsconfig.json --ignorePaths=to-ignore"
+    "test": "npm ci && npm run build && ../../bin/ts-unused-exports ./tsconfig.json --ignorePaths=to-ignore"
   },
   "dependencies": {
     "typescript": "^3.7.4"

example/absolute-paths-simple/src/components/index.ts

@@ -0,0 +1 @@
+export const fromIndex = "foo2";

example/absolute-paths-simple/src/main.ts

@@ -1,3 +1,4 @@
 import { MyComponent1 } from 'components/MyComponent';
+import { fromIndex } from 'components';
 
 export class UnusedClassFromMain {}

example/library-usage-via-JavaScript/execute.sh

@@ -1 +1 @@
-npm i && npm start
+npm ci && npm start

example/library-usage-via-TypeScript/execute.sh

@@ -1 +1 @@
-npm i && npm build && npm start
+npm ci && npm build && npm start

example/library-usage-via-TypeScript/package.json

@@ -4,7 +4,7 @@
     "scripts": {
         "build": "tsc",
         "start": "node ./dist/app.js",
-        "test": "npm i && ./node_modules/bin/ts-unused-exports ./tsconfig.json"
+        "test": "npm ci && ./node_modules/bin/ts-unused-exports ./tsconfig.json"
     },
     "dependencies": {
         "ts-unused-exports": "^9.0.1",

example/path-alias-and-sub-folders-import-from-index-2/.gitignore

@@ -0,0 +1 @@
+**/*.js

example/path-alias-and-sub-folders-import-from-index-2/execute.sh

@@ -0,0 +1 @@
+npm ci && npm test