55 lines
2.4 KiB
JavaScript
55 lines
2.4 KiB
JavaScript
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import $ from 'jquery';
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export function initFomanticTransition() {
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const transitionNopBehaviors = new Set([
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'clear queue', 'stop', 'stop all', 'destroy',
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'force repaint', 'repaint', 'reset',
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'looping', 'remove looping', 'disable', 'enable',
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'set duration', 'save conditions', 'restore conditions',
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]);
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// stand-in for removed transition module
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$.fn.transition = function (arg0, arg1, arg2) {
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if (arg0 === 'is supported') return true;
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if (arg0 === 'is animating') return false;
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if (arg0 === 'is inward') return false;
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if (arg0 === 'is outward') return false;
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let argObj;
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if (typeof arg0 === 'string') {
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// many behaviors are no-op now. https://fomantic-ui.com/modules/transition.html#/usage
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if (transitionNopBehaviors.has(arg0)) return this;
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// now, the arg0 is an animation name, the syntax: (animation, duration, complete)
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argObj = {animation: arg0, ...(arg1 && {duration: arg1}), ...(arg2 && {onComplete: arg2})};
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} else if (typeof arg0 === 'object') {
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argObj = arg0;
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} else {
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throw new Error(`invalid argument: ${arg0}`);
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}
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const isAnimationIn = argObj.animation?.startsWith('show') || argObj.animation?.endsWith(' in');
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const isAnimationOut = argObj.animation?.startsWith('hide') || argObj.animation?.endsWith(' out');
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this.each((_, el) => {
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let toShow = isAnimationIn;
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if (!isAnimationIn && !isAnimationOut) {
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// If the animation is not in/out, then it must be a toggle animation.
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// Fomantic uses computed styles to check "visibility", but to avoid unnecessary arguments, here it only checks the class.
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toShow = this.hasClass('hidden'); // maybe it could also check "!this.hasClass('visible')", leave it to the future until there is a real problem.
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}
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argObj.onStart?.call(el);
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if (toShow) {
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el.classList.remove('hidden');
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el.classList.add('visible', 'transition');
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if (argObj.displayType) el.style.setProperty('display', argObj.displayType, 'important');
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argObj.onShow?.call(el);
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} else {
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el.classList.add('hidden');
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el.classList.remove('visible'); // don't remove the transition class because the Fomantic animation style is `.hidden.transition`.
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el.style.removeProperty('display');
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argObj.onHidden?.call(el);
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}
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argObj.onComplete?.call(el);
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});
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return this;
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};
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}
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