subject.mjs
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import { animateSingleValue, visualElementStore, animateTarget, isMotionValue } from 'motion-dom';
import { invariant } from 'motion-utils';
import { createDOMVisualElement, createObjectVisualElement } from '../utils/create-visual-element.mjs';
import { isDOMKeyframes } from '../utils/is-dom-keyframes.mjs';
import { resolveSubjects } from './resolve-subjects.mjs';
function isSingleValue(subject, keyframes) {
return (isMotionValue(subject) ||
typeof subject === "number" ||
(typeof subject === "string" && !isDOMKeyframes(keyframes)));
}
/**
* Implementation
*/
function animateSubject(subject, keyframes, options, scope) {
const animations = [];
if (isSingleValue(subject, keyframes)) {
animations.push(animateSingleValue(subject, isDOMKeyframes(keyframes)
? keyframes.default || keyframes
: keyframes, options ? options.default || options : options));
}
else {
// Gracefully handle null/undefined subjects (e.g., from querySelector returning null)
if (subject == null) {
return animations;
}
const subjects = resolveSubjects(subject, keyframes, scope);
const numSubjects = subjects.length;
invariant(Boolean(numSubjects), "No valid elements provided.", "no-valid-elements");
for (let i = 0; i < numSubjects; i++) {
const thisSubject = subjects[i];
const createVisualElement = thisSubject instanceof Element
? createDOMVisualElement
: createObjectVisualElement;
if (!visualElementStore.has(thisSubject)) {
createVisualElement(thisSubject);
}
const visualElement = visualElementStore.get(thisSubject);
const transition = { ...options };
/**
* Resolve stagger function if provided.
*/
if ("delay" in transition &&
typeof transition.delay === "function") {
transition.delay = transition.delay(i, numSubjects);
}
animations.push(...animateTarget(visualElement, { ...keyframes, transition }, {}));
}
}
return animations;
}
export { animateSubject };
//# sourceMappingURL=subject.mjs.map