microsoft/TypeScript
1
0
Fork 0
mirror of https://github.com/microsoft/TypeScript.git synced 2026-05-11 06:02:53 -05:00
Code Issues Packages Projects Releases 212 Wiki Activity

Improve assertion violation message (#22522)

Browse Source
This commit is contained in:
Wesley Wigham
2018-03-22 11:46:52 -07:00
committed by GitHub
parent 67670d8726
commit 7721cc45c8
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/compiler/binder.ts
View File

@@ -297,7 +297,7 @@ namespace ts {
case SyntaxKind.Parameter:
// Parameters with names are handled at the top of this function. Parameters
// without names can only come from JSDocFunctionTypes.
Debug.assert(node.parent.kind === SyntaxKind.JSDocFunctionType);
Debug.assert(node.parent.kind === SyntaxKind.JSDocFunctionType, "Impossible parameter parent kind", () => `parent is: ${(ts as any).SyntaxKind ? (ts as any).SyntaxKind[node.parent.kind] : node.parent.kind}, expected JSDocFunctionType`);
const functionType = <JSDocFunctionType>node.parent;
const index = functionType.parameters.indexOf(node as ParameterDeclaration);
return "arg" + index as __String;