Chore: Clean-Up callback parameter optionality use ValueFn type

tomwanzek / d3-v4-definitelytyped

[DEPRECATED] This repo was intended as a staging area for typescript definitions supporting the latest major release of D3js (i.e. version 4.1.x) by Mike Bostock. It has been migrated to DefinitelyTyped.

MIT License

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Chore: Clean-Up callback parameter optionality use ValueFn type #87

Closed tomwanzek closed 8 years ago

tomwanzek commented 8 years ago

Clean up callback function parameter optionality syntax for consistency.

Move ValueFn type alias from d3-selection-multi into d3-selection and import/re-use for d3-transition and d3-selection as well.