From 4e5029f7ec82aaa99e16bd84a0ec2ad19a15c6b0 Mon Sep 17 00:00:00 2001
From: Alex Yatskov <alex@foosoft.net>
Date: Fri, 10 Apr 2020 11:06:55 -0700
Subject: Update license author field to broader to explicitly reflect that
 Yomichan is an ongoing community project. It really does take a village, and
 everyone who contributes code owns a part of it :)

---
 test/lint/global-declarations.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'test/lint')

diff --git a/test/lint/global-declarations.js b/test/lint/global-declarations.js
index 2629cc5e..07ba5570 100644
--- a/test/lint/global-declarations.js
+++ b/test/lint/global-declarations.js
@@ -1,6 +1,6 @@
 /*
- * Copyright (C) 2020  Alex Yatskov <alex@foosoft.net>
- * Author: Alex Yatskov <alex@foosoft.net>
+ * Copyright (C) 2020  Yomichan Authors
+ * Author: Yomichan Authors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
-- 
cgit v1.2.3


From e7abeb02a64c599474ce47c5a8cde46097882634 Mon Sep 17 00:00:00 2001
From: toasted-nutbread <toasted-nutbread@users.noreply.github.com>
Date: Fri, 10 Apr 2020 18:45:16 -0400
Subject: Add simple check to see if globals are unused

---
 test/lint/global-declarations.js | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'test/lint')

diff --git a/test/lint/global-declarations.js b/test/lint/global-declarations.js
index 07ba5570..2fc9a5e2 100644
--- a/test/lint/global-declarations.js
+++ b/test/lint/global-declarations.js
@@ -37,6 +37,18 @@ function getNewline(string) {
     }
 }
 
+function getSubstringCount(string, substring) {
+    let start = 0;
+    let count = 0;
+    while (true) {
+        const pos = string.indexOf(substring, start);
+        if (pos < 0) { break; }
+        ++count;
+        start = pos + substring.length;
+    }
+    return count;
+}
+
 
 function validateGlobals(fileName, fix) {
     const pattern = /\/\*\s*global\s+([\w\W]*?)\*\//g;
@@ -47,6 +59,7 @@ function validateGlobals(fileName, fix) {
     let first = true;
     let endIndex = 0;
     let newSource = '';
+    const allGlobals = [];
     const newline = getNewline(source);
     while ((match = pattern.exec(source)) !== null) {
         if (!first) {
@@ -74,15 +87,27 @@ function validateGlobals(fileName, fix) {
         newSource += source.substring(0, match.index);
         newSource += expected;
         endIndex = match.index + match[0].length;
+
+        allGlobals.push(...parts);
     }
 
     newSource += source.substring(endIndex);
 
+    // This is an approximate check to see if a global variable is unused.
+    // If the global appears in a comment, string, or similar, the check will pass.
+    let errorCount = 0;
+    for (const global of allGlobals) {
+        if (getSubstringCount(newSource, global) <= 1) {
+            console.error(`Global variable ${global} appears to be unused in ${fileName}`);
+            ++errorCount;
+        }
+    }
+
     if (fix) {
         fs.writeFileSync(fileName, newSource, {encoding: 'utf8'});
     }
 
-    return true;
+    return errorCount === 0;
 }
 
 
-- 
cgit v1.2.3