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import { isNumeric, isString, offsetTop, query } from '../util/index';
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export default function (UIkit) {
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UIkit.component('height-viewport', {
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props: {
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expand: Boolean,
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offsetTop: Boolean,
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offsetBottom: Boolean
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},
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defaults: {
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expand: false,
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offsetTop: false,
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offsetBottom: false
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},
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connected() {
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this.$emitSync();
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},
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update: {
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write() {
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this.$el.css('boxSizing', 'border-box');
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var viewport = window.innerHeight, height, offset = 0;
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if (this.expand) {
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this.$el.css({height: '', minHeight: ''});
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var diff = viewport - document.documentElement.offsetHeight;
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if (diff > 0) {
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this.$el.css('min-height', height = this.$el.outerHeight() + diff)
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}
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} else {
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var top = offsetTop(this.$el);
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if (top < viewport && this.offsetTop) {
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offset += top;
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}
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if (this.offsetBottom === true) {
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offset += this.$el.next().outerHeight() || 0;
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} else if (isNumeric(this.offsetBottom)) {
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offset += (viewport / 100) * this.offsetBottom;
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} else if (this.offsetBottom && this.offsetBottom.substr(-2) === 'px') {
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offset += parseFloat(this.offsetBottom);
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} else if (isString(this.offsetBottom)) {
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var el = query(this.offsetBottom, this.$el);
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offset += el && el.outerHeight() || 0;
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}
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this.$el.css('min-height', height = offset ? `calc(100vh - ${offset}px)` : '100vh');
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}
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// IE 10-11 fix (min-height on a flex container won't apply to its flex items)
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this.$el.height('');
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if (height && viewport - offset >= this.$el.outerHeight()) {
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this.$el.css('height', height);
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}
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},
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events: ['load', 'resize']
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}
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});
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}
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