By default, the string output of JSValue in JavaScriptCore printing (e.g. via my console.log) will produce a mere [object Object]. That’s not very helpful. It’s simple to pretty-print objects (if they are merely data-containers) via JSON:

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So a client of mine recently asked how he could customize his app’s printing. The app’s main window there mostly showed tabular data, so when you’re inside the NSTableView and hit ⌘P to print, the table view will redirect its draw(_:) output to the print dialog. That’s how you get printing for free.

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