main repo

node_modules/framer-motion/dist/es/animation/interfaces/visual-element-variant.mjs

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+import { resolveVariant } from '../../render/utils/resolve-dynamic-variants.mjs';
+import { calcChildStagger } from '../utils/calc-child-stagger.mjs';
+import { animateTarget } from './visual-element-target.mjs';
+
+function animateVariant(visualElement, variant, options = {}) {
+    const resolved = resolveVariant(visualElement, variant, options.type === "exit"
+        ? visualElement.presenceContext?.custom
+        : undefined);
+    let { transition = visualElement.getDefaultTransition() || {} } = resolved || {};
+    if (options.transitionOverride) {
+        transition = options.transitionOverride;
+    }
+    /**
+     * If we have a variant, create a callback that runs it as an animation.
+     * Otherwise, we resolve a Promise immediately for a composable no-op.
+     */
+    const getAnimation = resolved
+        ? () => Promise.all(animateTarget(visualElement, resolved, options))
+        : () => Promise.resolve();
+    /**
+     * If we have children, create a callback that runs all their animations.
+     * Otherwise, we resolve a Promise immediately for a composable no-op.
+     */
+    const getChildAnimations = visualElement.variantChildren && visualElement.variantChildren.size
+        ? (forwardDelay = 0) => {
+            const { delayChildren = 0, staggerChildren, staggerDirection, } = transition;
+            return animateChildren(visualElement, variant, forwardDelay, delayChildren, staggerChildren, staggerDirection, options);
+        }
+        : () => Promise.resolve();
+    /**
+     * If the transition explicitly defines a "when" option, we need to resolve either
+     * this animation or all children animations before playing the other.
+     */
+    const { when } = transition;
+    if (when) {
+        const [first, last] = when === "beforeChildren"
+            ? [getAnimation, getChildAnimations]
+            : [getChildAnimations, getAnimation];
+        return first().then(() => last());
+    }
+    else {
+        return Promise.all([getAnimation(), getChildAnimations(options.delay)]);
+    }
+}
+function animateChildren(visualElement, variant, delay = 0, delayChildren = 0, staggerChildren = 0, staggerDirection = 1, options) {
+    const animations = [];
+    for (const child of visualElement.variantChildren) {
+        child.notify("AnimationStart", variant);
+        animations.push(animateVariant(child, variant, {
+            ...options,
+            delay: delay +
+                (typeof delayChildren === "function" ? 0 : delayChildren) +
+                calcChildStagger(visualElement.variantChildren, child, delayChildren, staggerChildren, staggerDirection),
+        }).then(() => child.notify("AnimationComplete", variant)));
+    }
+    return Promise.all(animations);
+}
+
+export { animateVariant };