new(Tooltip): Add onClose prop

[apiel51]

to: @milesj @stefhatcher @hayes @alecklandgraf

Description

Adding an onClose prop to Tooltip that will fire a callback when the tooltip is closed.

Motivation and Context

Looking to color an Icon button differently depending on whether the tooltip is open or closed.

Testing

Locally

Screenshots

Checklist

• My code follows the style guide of this project.
• I have updated or added documentation accordingly.
• I have read the CONTRIBUTING document.

[airbnb-bot]

Size Changes

Package	Diff	ESM	Prev ESM	CJS	Prev CJS
core	+0.0%	549.55 KB	549.48 KB	689.07 KB	688.99 KB

Compared to master. File sizes are unminified and ungzipped.

View raw build stats

Previous (master)

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    "lib": 14147
  },
  "app-shell": {
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    "lib": 19874
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  "composer": {
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    "lib": 101805
  },
  "core": {
    "esm": 562671,
    "lib": 705524
  },
  "forms": {
    "esm": 35672,
    "lib": 47577
  },
  "icons": {
    "esm": 156355,
    "lib": 205626
  },
  "layouts": {
    "esm": 15298,
    "lib": 20770
  },
  "metrics": {
    "esm": 5467,
    "lib": 7729
  },
  "test-utils": {
    "esm": 4279,
    "lib": 5937
  }
}

Current

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  "apollo": {
    "esm": 10832,
    "lib": 14147
  },
  "app-shell": {
    "esm": 12906,
    "lib": 19874
  },
  "composer": {
    "esm": 68247,
    "lib": 101805
  },
  "core": {
    "esm": 562737,
    "lib": 705605
  },
  "forms": {
    "esm": 35672,
    "lib": 47577
  },
  "icons": {
    "esm": 156355,
    "lib": 205626
  },
  "layouts": {
    "esm": 15298,
    "lib": 20770
  },
  "metrics": {
    "esm": 5467,
    "lib": 7729
  },
  "test-utils": {
    "esm": 4279,
    "lib": 5937
  }
}

[milesj]

Can you add a test?