package upgrades & linter fixes

src/browser/services/CharacterJoinerService.test.ts

@@ -285,7 +285,7 @@ function substringJoiner(substring: string): (sequence: string) => [number, numb
   return (sequence: string): [number, number][] => {
     const ranges: [number, number][] = [];
     let searchIndex = 0;
-    let matchIndex = -1;
+    let matchIndex;
 
     while ((matchIndex = sequence.indexOf(substring, searchIndex)) !== -1) {
       const matchEndIndex = matchIndex + substring.length;

src/browser/services/SelectionService.ts

@@ -919,10 +919,10 @@ export class SelectionService extends Disposable implements ISelectionService {
     // Calculate the start _column_, converting the the string indexes back to
     // column coordinates.
     let start =
-        startIndex // The index of the selection's start char in the line string
-        + charOffset // The difference between the initial char's column and index
-        - leftWideCharCount // The number of wide chars left of the initial char
-        + leftLongCharOffset; // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)
+      startIndex // The index of the selection's start char in the line string
+      + charOffset // The difference between the initial char's column and index
+      - leftWideCharCount // The number of wide chars left of the initial char
+      + leftLongCharOffset; // The number of additional chars left of the initial char added by columns with strings longer than 1 (emojis)
 
     // Calculate the length in _columns_, converting the the string indexes back
     // to column coordinates.