123456789101112131415161718192021
import ts from 'https://esm.sh/typescript'
export function CreatePlainTransformer(transform: (sf: ts.SourceFile, node: ts.Node, ...args: any[]) => ts.VisitResult<ts.Node>, ...args: any[]): ts.TransformerFactory<ts.SourceFile> {    function nodeVisitor(ctx: ts.TransformationContext, sf: ts.SourceFile) {        const visitor: ts.Visitor = node => {            const ret = transform(sf, node, ...args)            if (ret != null) {                return ret            }            return ts.visitEachChild(node, visitor, ctx)        }        return visitor    }
    return ctx => sf => ts.visitNode(sf, nodeVisitor(ctx, sf))}
export function CreateTransformer(transform: (ctx: ts.TransformationContext, sf: ts.SourceFile, options?: any) => ts.SourceFile, options?: Record<string, any>): ts.TransformerFactory<ts.SourceFile> {    return ctx => sf => transform(ctx, sf, options)}