feat: Add Deno.formatDiagnostics to provide formatting of compiler diagnostics #4032
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This PR provides/std/fmt/diagnostics.ts
which exportsformatDiagnostic()
which will return a string for aDeno.DiagnosticItem[]
array that might be returned fromDeno.compile()
orDeno.bundle()
. The formatting aligns to the same formatting output from Deno when outputting the errors.This PR provides
Deno.formatDiagnostics()
which will take an array ofDeno.DiagnosticItem
and return a string which is formatted for display.