fix: Disable smart text replacements in code mark (#6839)

app/editor/extensions/SmartText.ts

@@ -1,5 +1,6 @@
-import { ellipsis, smartQuotes, InputRule } from "prosemirror-inputrules";
+import { ellipsis, smartQuotes } from "prosemirror-inputrules";
 import Extension from "@shared/editor/lib/Extension";
+import { InputRule } from "@shared/editor/lib/InputRule";
 
 const rightArrow = new InputRule(/->$/, "→");
 const emdash = new InputRule(/--$/, "—");

shared/editor/lib/InputRule.ts

@@ -0,0 +1,38 @@
+import { InputRule as ProsemirrorInputRule } from "prosemirror-inputrules";
+import { EditorState } from "prosemirror-state";
+import isInCode from "../queries/isInCode";
+
+/**
+ * A factory function for creating Prosemirror input rules that automatically insert text
+ * that matches a given regular expression unless the selection is inside a code block or code mark.
+ */
+export class InputRule extends ProsemirrorInputRule {
+  constructor(rule: RegExp, insert: string) {
+    super(
+      rule,
+      (
+        state: EditorState,
+        match: RegExpMatchArray,
+        start: number,
+        end: number
+      ) => {
+        if (isInCode(state)) {
+          return null;
+        }
+
+        if (match[1]) {
+          const offset = match[0].lastIndexOf(match[1]);
+          insert += match[0].slice(offset + match[1].length);
+          start += offset;
+          const cutOff = start - end;
+          if (cutOff > 0) {
+            insert = match[0].slice(offset - cutOff, offset) + insert;
+            start = end;
+          }
+        }
+
+        return state.tr.insertText(insert, start, end);
+      }
+    );
+  }
+}