main repo

node_modules/motion-dom/dist/es/animation/generators/utils/calc-duration.mjs

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+/**
+ * Implement a practical max duration for keyframe generation
+ * to prevent infinite loops
+ */
+const maxGeneratorDuration = 20000;
+function calcGeneratorDuration(generator) {
+    let duration = 0;
+    const timeStep = 50;
+    let state = generator.next(duration);
+    while (!state.done && duration < maxGeneratorDuration) {
+        duration += timeStep;
+        state = generator.next(duration);
+    }
+    return duration >= maxGeneratorDuration ? Infinity : duration;
+}
+
+export { calcGeneratorDuration, maxGeneratorDuration };

node_modules/motion-dom/dist/es/animation/generators/utils/create-generator-easing.mjs

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+import { millisecondsToSeconds } from 'motion-utils';
+import { calcGeneratorDuration, maxGeneratorDuration } from './calc-duration.mjs';
+
+/**
+ * Create a progress => progress easing function from a generator.
+ */
+function createGeneratorEasing(options, scale = 100, createGenerator) {
+    const generator = createGenerator({ ...options, keyframes: [0, scale] });
+    const duration = Math.min(calcGeneratorDuration(generator), maxGeneratorDuration);
+    return {
+        type: "keyframes",
+        ease: (progress) => {
+            return generator.next(duration * progress).value / scale;
+        },
+        duration: millisecondsToSeconds(duration),
+    };
+}
+
+export { createGeneratorEasing };

node_modules/motion-dom/dist/es/animation/generators/utils/is-generator.mjs

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+function isGenerator(type) {
+    return typeof type === "function" && "applyToOptions" in type;
+}
+
+export { isGenerator };

node_modules/motion-dom/dist/es/animation/generators/utils/velocity.mjs

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+import { velocityPerSecond } from 'motion-utils';
+
+const velocitySampleDuration = 5; // ms
+function calcGeneratorVelocity(resolveValue, t, current) {
+    const prevT = Math.max(t - velocitySampleDuration, 0);
+    return velocityPerSecond(current - resolveValue(prevT), t - prevT);
+}
+
+export { calcGeneratorVelocity };