# resolveGeneratedLine (/docs/api/functions/resolveGeneratedLine)



```ts
function resolveGeneratedLine(map, generatedLine): 
  | {
  col: number;
  file: string;
  line: number;
}
  | undefined;
```

Defined in: [packages/core/src/sourcemap.ts:178](https://github.com/austenstone/actio/blob/2b01e694a0f76521d8c073f3c6a2e48917d2c9d9/packages/core/src/sourcemap.ts#L178)

Resolve a generated line to its source position. Falls back to the nearest
preceding mapped line so positions inside a mapped construct still resolve.

## Parameters [#parameters]

### map [#map]

[`SourceMap`](../interfaces/SourceMap.mdx)

### generatedLine [#generatedline]

`number`

## Returns [#returns]

\| \{
`col`: `number`;
`file`: `string`;
`line`: `number`;
}
\| `undefined`


## Sitemap

Browse the full documentation: [Markdown sitemap](https://austenstone.github.io/actio/sitemap.md) · [XML sitemap](https://austenstone.github.io/actio/sitemap.xml)