Function mapPath

packages/tooling/src/vite.plugin.emit-dts.ts:46–54

(filePath: string, input: string)

        };

        const mapPath = (filePath: string, input: string): string | undefined => {
            for (const [k, v] of Object.entries(mapping!)) {
                if (input.startsWith(k) && !isExternal(input)) {
                    const absoluteFile = path.resolve(v, input.substring(k.length));
                    return `./${path.relative(path.dirname(filePath), absoluteFile).replaceAll('\\', '/')}`;
                }
            }
            return undefined;
        };

        return (source: ts.SourceFile | ts.Bundle) => {
            const sourceFilePath = ts.isSourceFile(source) ? source.fileName : source.sourceFiles[0].fileName;