Svelte components have file location meta data

Svelte nodes have a __svelte_meta object in development mode that contains the file location of the component that rendered that node.

{ "loc": { "file": "src/routes/index.svelte", "line": 18, "column": 4, "char": 358 } } 

You an try it out on StackBlitz. Inspect an element using the Chrome Dev Tools and use the console:

$0.__svelte_meta 

($0 references the last selected DOM element. It is part of the DevTool's Console API)

Learn more about __svelte_meta:

• https://github.com/sveltejs/svelte/pull/1501
• https://github.com/sveltejs/svelte/issues/1499

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