84 lines
3.3 KiB
JavaScript
84 lines
3.3 KiB
JavaScript
import { getValueTransition, frame, positionalKeys } from 'motion-dom';
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import { setTarget } from '../../render/utils/setters.mjs';
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import { addValueToWillChange } from '../../value/use-will-change/add-will-change.mjs';
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import { getOptimisedAppearId } from '../optimized-appear/get-appear-id.mjs';
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import { animateMotionValue } from './motion-value.mjs';
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/**
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* Decide whether we should block this animation. Previously, we achieved this
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* just by checking whether the key was listed in protectedKeys, but this
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* posed problems if an animation was triggered by afterChildren and protectedKeys
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* had been set to true in the meantime.
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*/
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function shouldBlockAnimation({ protectedKeys, needsAnimating }, key) {
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const shouldBlock = protectedKeys.hasOwnProperty(key) && needsAnimating[key] !== true;
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needsAnimating[key] = false;
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return shouldBlock;
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}
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function animateTarget(visualElement, targetAndTransition, { delay = 0, transitionOverride, type } = {}) {
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let { transition = visualElement.getDefaultTransition(), transitionEnd, ...target } = targetAndTransition;
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if (transitionOverride)
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transition = transitionOverride;
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const animations = [];
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const animationTypeState = type &&
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visualElement.animationState &&
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visualElement.animationState.getState()[type];
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for (const key in target) {
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const value = visualElement.getValue(key, visualElement.latestValues[key] ?? null);
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const valueTarget = target[key];
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if (valueTarget === undefined ||
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(animationTypeState &&
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shouldBlockAnimation(animationTypeState, key))) {
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continue;
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}
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const valueTransition = {
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delay,
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...getValueTransition(transition || {}, key),
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};
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/**
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* If the value is already at the defined target, skip the animation.
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*/
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const currentValue = value.get();
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if (currentValue !== undefined &&
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!value.isAnimating &&
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!Array.isArray(valueTarget) &&
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valueTarget === currentValue &&
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!valueTransition.velocity) {
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continue;
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}
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/**
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* If this is the first time a value is being animated, check
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* to see if we're handling off from an existing animation.
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*/
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let isHandoff = false;
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if (window.MotionHandoffAnimation) {
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const appearId = getOptimisedAppearId(visualElement);
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if (appearId) {
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const startTime = window.MotionHandoffAnimation(appearId, key, frame);
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if (startTime !== null) {
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valueTransition.startTime = startTime;
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isHandoff = true;
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}
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}
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}
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addValueToWillChange(visualElement, key);
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value.start(animateMotionValue(key, value, valueTarget, visualElement.shouldReduceMotion && positionalKeys.has(key)
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? { type: false }
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: valueTransition, visualElement, isHandoff));
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const animation = value.animation;
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if (animation) {
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animations.push(animation);
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}
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}
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if (transitionEnd) {
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Promise.all(animations).then(() => {
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frame.update(() => {
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transitionEnd && setTarget(visualElement, transitionEnd);
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});
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});
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}
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return animations;
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}
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export { animateTarget };
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