This app provides monitoring and information features for the common freifunk user and the technical stuff of a freifunk community.
Code base is taken from a TUM Practical Course project and added here to see if Freifunk Altdorf can use it.
https://www.freifunk-altdorf.de
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50 lines
1.5 KiB
50 lines
1.5 KiB
/** |
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* Copyright (c) 2013-present, Facebook, Inc. |
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* |
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* This source code is licensed under the MIT license found in the |
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* LICENSE file in the root directory of this source tree. |
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* |
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* @providesModule getStyleProperty |
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* @typechecks |
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*/ |
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const camelize = require('./camelize'); |
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const hyphenate = require('./hyphenate'); |
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function asString(value) /*?string*/{ |
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return value == null ? value : String(value); |
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} |
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function getStyleProperty( /*DOMNode*/node, /*string*/name) /*?string*/{ |
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let computedStyle; |
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// W3C Standard |
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if (window.getComputedStyle) { |
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// In certain cases such as within an iframe in FF3, this returns null. |
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computedStyle = window.getComputedStyle(node, null); |
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if (computedStyle) { |
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return asString(computedStyle.getPropertyValue(hyphenate(name))); |
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} |
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} |
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// Safari |
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if (document.defaultView && document.defaultView.getComputedStyle) { |
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computedStyle = document.defaultView.getComputedStyle(node, null); |
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// A Safari bug causes this to return null for `display: none` elements. |
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if (computedStyle) { |
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return asString(computedStyle.getPropertyValue(hyphenate(name))); |
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} |
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if (name === 'display') { |
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return 'none'; |
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} |
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} |
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// Internet Explorer |
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if (node.currentStyle) { |
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if (name === 'float') { |
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return asString(node.currentStyle.cssFloat || node.currentStyle.styleFloat); |
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} |
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return asString(node.currentStyle[camelize(name)]); |
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} |
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return asString(node.style && node.style[camelize(name)]); |
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} |
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module.exports = getStyleProperty; |