46 lines
1.5 KiB
JavaScript
46 lines
1.5 KiB
JavaScript
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import { getAnimatableNone } from '../../render/dom/value-types/animatable-none.mjs';
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import { isAnimatable } from './is-animatable.mjs';
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import { isNone } from './is-none.mjs';
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function getKeyframes(value, valueName, target, transition) {
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const isTargetAnimatable = isAnimatable(valueName, target);
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let keyframes;
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if (Array.isArray(target)) {
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keyframes = [...target];
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}
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else {
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keyframes = [null, target];
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}
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const defaultOrigin = transition.from !== undefined ? transition.from : value.get();
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let animatableTemplateValue = undefined;
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const noneKeyframeIndexes = [];
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for (let i = 0; i < keyframes.length; i++) {
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/**
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* Fill null/wildcard keyframes
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*/
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if (keyframes[i] === null) {
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keyframes[i] = i === 0 ? defaultOrigin : keyframes[i - 1];
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}
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if (isNone(keyframes[i])) {
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noneKeyframeIndexes.push(i);
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}
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// TODO: Clean this conditional, it works for now
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if (typeof keyframes[i] === "string" &&
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keyframes[i] !== "none" &&
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keyframes[i] !== "0") {
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animatableTemplateValue = keyframes[i];
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}
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}
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if (isTargetAnimatable &&
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noneKeyframeIndexes.length &&
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animatableTemplateValue) {
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for (let i = 0; i < noneKeyframeIndexes.length; i++) {
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const index = noneKeyframeIndexes[i];
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keyframes[index] = getAnimatableNone(valueName, animatableTemplateValue);
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}
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}
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return keyframes;
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}
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export { getKeyframes };
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