From 0d7ce1c9d6b0d535acd131a51543c073b62cd613 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20Ku=CC=88hn?= <kontakt@philipp-kuehn.com>
Date: Wed, 20 Jan 2021 16:36:29 +0100
Subject: [PATCH 1/3] improve mention filter

---
 docs/src/demos/Nodes/Mention/index.vue | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/src/demos/Nodes/Mention/index.vue b/docs/src/demos/Nodes/Mention/index.vue
index 16bbf954..ad3b4dda 100644
--- a/docs/src/demos/Nodes/Mention/index.vue
+++ b/docs/src/demos/Nodes/Mention/index.vue
@@ -36,7 +36,7 @@ export default {
           },
           suggestionOptions: {
             items: query => {
-              return ['Hans', 'Philipp', 'Kris'].filter(item => item.startsWith(query))
+              return ['Hans', 'Philipp', 'Kris'].filter(item => item.toLowerCase().startsWith(query.toLowerCase()))
             },
             render: () => {
               let component

From 4004ec0ad5db3d12118c7544dabd4012975e551c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20Ku=CC=88hn?= <kontakt@philipp-kuehn.com>
Date: Wed, 20 Jan 2021 16:39:42 +0100
Subject: [PATCH 2/3] refactoring

---
 packages/core/src/utilities/isClass.ts  | 7 +++++++
 packages/core/src/utilities/isObject.ts | 4 +++-
 2 files changed, 10 insertions(+), 1 deletion(-)
 create mode 100644 packages/core/src/utilities/isClass.ts

diff --git a/packages/core/src/utilities/isClass.ts b/packages/core/src/utilities/isClass.ts
new file mode 100644
index 00000000..a35ba2e7
--- /dev/null
+++ b/packages/core/src/utilities/isClass.ts
@@ -0,0 +1,7 @@
+export default function isClass(item: any): boolean {
+  if (item.constructor?.toString().substring(0, 5) !== 'class') {
+    return false
+  }
+
+  return true
+}
diff --git a/packages/core/src/utilities/isObject.ts b/packages/core/src/utilities/isObject.ts
index 5321f363..84e8d66d 100644
--- a/packages/core/src/utilities/isObject.ts
+++ b/packages/core/src/utilities/isObject.ts
@@ -1,3 +1,5 @@
+import isClass from './isClass'
+
 export default function isObject(item: any): boolean {
   if (!item) {
     return false
@@ -11,7 +13,7 @@ export default function isObject(item: any): boolean {
     return false
   }
 
-  if (item.constructor?.toString().substring(0, 5) === 'class') {
+  if (isClass(item)) {
     return false
   }
 

From 11d365f524e668d78060c24cd2aef03f02236ac5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philipp=20Ku=CC=88hn?= <kontakt@philipp-kuehn.com>
Date: Wed, 20 Jan 2021 16:52:56 +0100
Subject: [PATCH 3/3] refactoring

---
 .../suggestion/src/findSuggestionMatch.ts     | 74 +++++++++----------
 1 file changed, 35 insertions(+), 39 deletions(-)

diff --git a/packages/suggestion/src/findSuggestionMatch.ts b/packages/suggestion/src/findSuggestionMatch.ts
index e548a700..88b843c5 100644
--- a/packages/suggestion/src/findSuggestionMatch.ts
+++ b/packages/suggestion/src/findSuggestionMatch.ts
@@ -35,49 +35,45 @@ export function findSuggestionMatch(config: Trigger): SuggestionMatch {
     ? new RegExp(`${prefix}${escapedChar}.*?(?=\\s${escapedChar}|$)`, 'gm')
     : new RegExp(`${prefix}(?:^)?${escapedChar}[^\\s${escapedChar}]*`, 'gm')
 
-  // Lookup the boundaries of the current node
   const textFrom = $position.before()
-
-  // Only look up to the cursor, old behavior: textTo = $position.end()
   const textTo = $position.pos
-
   const text = $position.doc.textBetween(textFrom, textTo, '\0', '\0')
+  const match = regexp.exec(text)
 
-  let match = regexp.exec(text)
-  let position = null
-
-  while (match !== null) {
-    // JavaScript doesn't have lookbehinds; this hacks a check that first character is " "
-    // or the line beginning
-    const matchPrefix = match.input.slice(Math.max(0, match.index - 1), match.index)
-
-    if (/^[\s\0]?$/.test(matchPrefix)) {
-      // The absolute position of the match in the document
-      const from = match.index + $position.start()
-      let to = from + match[0].length
-
-      // Edge case handling; if spaces are allowed and we're directly in between
-      // two triggers
-      if (allowSpaces && suffix.test(text.slice(to - 1, to + 1))) {
-        match[0] += ' '
-        to += 1
-      }
-
-      // If the $position is located within the matched substring, return that range
-      if (from < $position.pos && to >= $position.pos) {
-        position = {
-          range: {
-            from,
-            to,
-          },
-          query: match[0].slice(char.length),
-          text: match[0],
-        }
-      }
-    }
-
-    match = regexp.exec(text)
+  if (!match) {
+    return null
   }
 
-  return position
+  // JavaScript doesn't have lookbehinds; this hacks a check that first character is " "
+  // or the line beginning
+  const matchPrefix = match.input.slice(Math.max(0, match.index - 1), match.index)
+
+  if (!/^[\s\0]?$/.test(matchPrefix)) {
+    return null
+  }
+
+  // The absolute position of the match in the document
+  const from = match.index + $position.start()
+  let to = from + match[0].length
+
+  // Edge case handling; if spaces are allowed and we're directly in between
+  // two triggers
+  if (allowSpaces && suffix.test(text.slice(to - 1, to + 1))) {
+    match[0] += ' '
+    to += 1
+  }
+
+  // If the $position is located within the matched substring, return that range
+  if (from < $position.pos && to >= $position.pos) {
+    return {
+      range: {
+        from,
+        to,
+      },
+      query: match[0].slice(char.length),
+      text: match[0],
+    }
+  }
+
+  return null
 }