nvlang / svelte-bug

Svelte compiler types issue

Steps to reproduce

pnpm i && tsc

Expected behavior

Error-free compilation.

Actual behavior

tsc prints the following to the terminal:

index.ts:6:6 - error TS2345: Argument of type 'TemplateNode' is not assignable to parameter of type 'Node'.
  Type 'Text' is not assignable to type 'Node'.
    Type 'Text' is missing the following properties from type 'Property': key, value, kind, method, and 2 more.

6 walk(ast.html, {
       ~~~~~~~~

index.ts:8:13 - error TS2367: This comparison appears to be unintentional because the types '"CatchClause" | "ClassBody" | "Identifier" | "Literal" | "MethodDefinition" | "PrivateIdentifier" | "Program" | "Property" | "PropertyDefinition" | "SpreadElement" | "Super" | ... 59 more ... | "VariableDeclaration"' and '"Text"' have no overlap.

8         if (node.type === "Text") {
              ~~~~~~~~~~~~~~~~~~~~

index.ts:9:13 - error TS2532: Object is possibly 'undefined'.

9             this.skip();
              ~~~~


Found 3 errors in the same file, starting at: index.ts:6