implement pinch to zoom

node_modules/component-closest/README.md

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+# Closest
+
+Similar to jQuery's `$.fn.closest` and `$.fn.parents`.
+Finds the closest parent that matches a selector.
+
+## API
+
+### closest(element, selector, scope)
+
+* `element` - will check this elements parents
+* `selector` - CSS selector to match parents
+* `scope` - check this element and within. By default, `document.documentElement`.
+
+Example:
+
+```js
+closest(document.body, 'html') === document.documentElement
+closest(document.body, 'body') === document.body
+closest(document.documentElement, 'body') == null
+```
+
+## License
+
+The MIT License (MIT)
+
+Copyright (c) 2013 Jonathan Ong me@jongleberry.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.