Use an object type to represent Position

actions-languageservice/src/utils/find-token.ts

@@ -141,13 +141,16 @@ function posInToken(pos: Position, token: TemplateToken): boolean {
   const tokenChar = pos.character + 1;
 
   // Check lines
-  if (r.start[0] > tokenLine || tokenLine > r.end[0]) {
+  if (r.start.line > tokenLine || tokenLine > r.end.line) {
     return false;
   }
 
   // Position is within the token lines. Check character/column if pos line matches
   // start or end
-  if ((r.start[0] === tokenLine && tokenChar < r.start[1]) || (r.end[0] === tokenLine && tokenChar > r.end[1])) {
+  if (
+    (r.start.line === tokenLine && tokenChar < r.start.column) ||
+    (r.end.line === tokenLine && tokenChar > r.end.column)
+  ) {
     return false;
   }
 
@@ -163,14 +166,14 @@ function onSameLine(pos: Position, key: TemplateToken, value: TemplateToken): bo
     return false;
   }
 
-  if (value.range.start[0] !== value.range.end[0]) {
+  if (value.range.start.line !== value.range.end.line) {
     // Token occupies multiple lines, can't be an empty node
     return false;
   }
 
   // TokenRange is one-based, Position is zero-based
   const posLine = pos.line + 1;
-  if (posLine != value.range.start[0]) {
+  if (posLine != value.range.start.line) {
     return false;
   }
 

actions-languageservice/src/utils/range.ts

@@ -23,7 +23,7 @@ export function mapRange(range: TokenRange | undefined): Range {
 
 export function mapPosition(position: TokenPosition): Position {
   return {
-    line: position[0] - 1,
-    character: position[1] - 1
+    line: position.line - 1,
+    character: position.column - 1
   };
 }

actions-languageservice/src/validate.ts

@@ -168,8 +168,8 @@ function getProviderContext(
 ): WorkflowContext {
   const {parent, path} = findToken(
     {
-      line: token.range!.start[0] - 1,
-      character: token.range!.start[1] - 1
+      line: token.range!.start.line - 1,
+      character: token.range!.start.column - 1
     },
     root
   );