Initial commit

node_modules/framer-motion/dist/es/animation/sequence/create.mjs

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+import { createGeneratorEasing } from '../../easing/utils/create-generator-easing.mjs';
+import { defaultOffset } from '../../utils/offsets/default.mjs';
+import { fillOffset } from '../../utils/offsets/fill.mjs';
+import { progress } from '../../utils/progress.mjs';
+import { secondsToMilliseconds } from '../../utils/time-conversion.mjs';
+import { isMotionValue } from '../../value/utils/is-motion-value.mjs';
+import { resolveSubjects } from '../animate/resolve-subjects.mjs';
+import { isGenerator } from '../generators/utils/is-generator.mjs';
+import { calcNextTime } from './utils/calc-time.mjs';
+import { addKeyframes } from './utils/edit.mjs';
+import { compareByTime } from './utils/sort.mjs';
+
+const defaultSegmentEasing = "easeInOut";
+function createAnimationsFromSequence(sequence, { defaultTransition = {}, ...sequenceTransition } = {}, scope, generators) {
+    const defaultDuration = defaultTransition.duration || 0.3;
+    const animationDefinitions = new Map();
+    const sequences = new Map();
+    const elementCache = {};
+    const timeLabels = new Map();
+    let prevTime = 0;
+    let currentTime = 0;
+    let totalDuration = 0;
+    /**
+     * Build the timeline by mapping over the sequence array and converting
+     * the definitions into keyframes and offsets with absolute time values.
+     * These will later get converted into relative offsets in a second pass.
+     */
+    for (let i = 0; i < sequence.length; i++) {
+        const segment = sequence[i];
+        /**
+         * If this is a timeline label, mark it and skip the rest of this iteration.
+         */
+        if (typeof segment === "string") {
+            timeLabels.set(segment, currentTime);
+            continue;
+        }
+        else if (!Array.isArray(segment)) {
+            timeLabels.set(segment.name, calcNextTime(currentTime, segment.at, prevTime, timeLabels));
+            continue;
+        }
+        let [subject, keyframes, transition = {}] = segment;
+        /**
+         * If a relative or absolute time value has been specified we need to resolve
+         * it in relation to the currentTime.
+         */
+        if (transition.at !== undefined) {
+            currentTime = calcNextTime(currentTime, transition.at, prevTime, timeLabels);
+        }
+        /**
+         * Keep track of the maximum duration in this definition. This will be
+         * applied to currentTime once the definition has been parsed.
+         */
+        let maxDuration = 0;
+        const resolveValueSequence = (valueKeyframes, valueTransition, valueSequence, elementIndex = 0, numSubjects = 0) => {
+            const valueKeyframesAsList = keyframesAsList(valueKeyframes);
+            const { delay = 0, times = defaultOffset(valueKeyframesAsList), type = "keyframes", ...remainingTransition } = valueTransition;
+            let { ease = defaultTransition.ease || "easeOut", duration } = valueTransition;
+            /**
+             * Resolve stagger() if defined.
+             */
+            const calculatedDelay = typeof delay === "function"
+                ? delay(elementIndex, numSubjects)
+                : delay;
+            /**
+             * If this animation should and can use a spring, generate a spring easing function.
+             */
+            const numKeyframes = valueKeyframesAsList.length;
+            const createGenerator = isGenerator(type)
+                ? type
+                : generators === null || generators === void 0 ? void 0 : generators[type];
+            if (numKeyframes <= 2 && createGenerator) {
+                /**
+                 * As we're creating an easing function from a spring,
+                 * ideally we want to generate it using the real distance
+                 * between the two keyframes. However this isn't always
+                 * possible - in these situations we use 0-100.
+                 */
+                let absoluteDelta = 100;
+                if (numKeyframes === 2 &&
+                    isNumberKeyframesArray(valueKeyframesAsList)) {
+                    const delta = valueKeyframesAsList[1] - valueKeyframesAsList[0];
+                    absoluteDelta = Math.abs(delta);
+                }
+                const springTransition = { ...remainingTransition };
+                if (duration !== undefined) {
+                    springTransition.duration = secondsToMilliseconds(duration);
+                }
+                const springEasing = createGeneratorEasing(springTransition, absoluteDelta, createGenerator);
+                ease = springEasing.ease;
+                duration = springEasing.duration;
+            }
+            duration !== null && duration !== void 0 ? duration : (duration = defaultDuration);
+            const startTime = currentTime + calculatedDelay;
+            const targetTime = startTime + duration;
+            /**
+             * If there's only one time offset of 0, fill in a second with length 1
+             */
+            if (times.length === 1 && times[0] === 0) {
+                times[1] = 1;
+            }
+            /**
+             * Fill out if offset if fewer offsets than keyframes
+             */
+            const remainder = times.length - valueKeyframesAsList.length;
+            remainder > 0 && fillOffset(times, remainder);
+            /**
+             * If only one value has been set, ie [1], push a null to the start of
+             * the keyframe array. This will let us mark a keyframe at this point
+             * that will later be hydrated with the previous value.
+             */
+            valueKeyframesAsList.length === 1 &&
+                valueKeyframesAsList.unshift(null);
+            /**
+             * Add keyframes, mapping offsets to absolute time.
+             */
+            addKeyframes(valueSequence, valueKeyframesAsList, ease, times, startTime, targetTime);
+            maxDuration = Math.max(calculatedDelay + duration, maxDuration);
+            totalDuration = Math.max(targetTime, totalDuration);
+        };
+        if (isMotionValue(subject)) {
+            const subjectSequence = getSubjectSequence(subject, sequences);
+            resolveValueSequence(keyframes, transition, getValueSequence("default", subjectSequence));
+        }
+        else {
+            const subjects = resolveSubjects(subject, keyframes, scope, elementCache);
+            const numSubjects = subjects.length;
+            /**
+             * For every element in this segment, process the defined values.
+             */
+            for (let subjectIndex = 0; subjectIndex < numSubjects; subjectIndex++) {
+                /**
+                 * Cast necessary, but we know these are of this type
+                 */
+                keyframes = keyframes;
+                transition = transition;
+                const thisSubject = subjects[subjectIndex];
+                const subjectSequence = getSubjectSequence(thisSubject, sequences);
+                for (const key in keyframes) {
+                    resolveValueSequence(keyframes[key], getValueTransition(transition, key), getValueSequence(key, subjectSequence), subjectIndex, numSubjects);
+                }
+            }
+        }
+        prevTime = currentTime;
+        currentTime += maxDuration;
+    }
+    /**
+     * For every element and value combination create a new animation.
+     */
+    sequences.forEach((valueSequences, element) => {
+        for (const key in valueSequences) {
+            const valueSequence = valueSequences[key];
+            /**
+             * Arrange all the keyframes in ascending time order.
+             */
+            valueSequence.sort(compareByTime);
+            const keyframes = [];
+            const valueOffset = [];
+            const valueEasing = [];
+            /**
+             * For each keyframe, translate absolute times into
+             * relative offsets based on the total duration of the timeline.
+             */
+            for (let i = 0; i < valueSequence.length; i++) {
+                const { at, value, easing } = valueSequence[i];
+                keyframes.push(value);
+                valueOffset.push(progress(0, totalDuration, at));
+                valueEasing.push(easing || "easeOut");
+            }
+            /**
+             * If the first keyframe doesn't land on offset: 0
+             * provide one by duplicating the initial keyframe. This ensures
+             * it snaps to the first keyframe when the animation starts.
+             */
+            if (valueOffset[0] !== 0) {
+                valueOffset.unshift(0);
+                keyframes.unshift(keyframes[0]);
+                valueEasing.unshift(defaultSegmentEasing);
+            }
+            /**
+             * If the last keyframe doesn't land on offset: 1
+             * provide one with a null wildcard value. This will ensure it
+             * stays static until the end of the animation.
+             */
+            if (valueOffset[valueOffset.length - 1] !== 1) {
+                valueOffset.push(1);
+                keyframes.push(null);
+            }
+            if (!animationDefinitions.has(element)) {
+                animationDefinitions.set(element, {
+                    keyframes: {},
+                    transition: {},
+                });
+            }
+            const definition = animationDefinitions.get(element);
+            definition.keyframes[key] = keyframes;
+            definition.transition[key] = {
+                ...defaultTransition,
+                duration: totalDuration,
+                ease: valueEasing,
+                times: valueOffset,
+                ...sequenceTransition,
+            };
+        }
+    });
+    return animationDefinitions;
+}
+function getSubjectSequence(subject, sequences) {
+    !sequences.has(subject) && sequences.set(subject, {});
+    return sequences.get(subject);
+}
+function getValueSequence(name, sequences) {
+    if (!sequences[name])
+        sequences[name] = [];
+    return sequences[name];
+}
+function keyframesAsList(keyframes) {
+    return Array.isArray(keyframes) ? keyframes : [keyframes];
+}
+function getValueTransition(transition, key) {
+    return transition && transition[key]
+        ? {
+            ...transition,
+            ...transition[key],
+        }
+        : { ...transition };
+}
+const isNumber = (keyframe) => typeof keyframe === "number";
+const isNumberKeyframesArray = (keyframes) => keyframes.every(isNumber);
+
+export { createAnimationsFromSequence, getValueTransition };

node_modules/framer-motion/dist/es/animation/sequence/utils/calc-time.mjs

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+/**
+ * Given a absolute or relative time definition and current/prev time state of the sequence,
+ * calculate an absolute time for the next keyframes.
+ */
+function calcNextTime(current, next, prev, labels) {
+    var _a;
+    if (typeof next === "number") {
+        return next;
+    }
+    else if (next.startsWith("-") || next.startsWith("+")) {
+        return Math.max(0, current + parseFloat(next));
+    }
+    else if (next === "<") {
+        return prev;
+    }
+    else {
+        return (_a = labels.get(next)) !== null && _a !== void 0 ? _a : current;
+    }
+}
+
+export { calcNextTime };

node_modules/framer-motion/dist/es/animation/sequence/utils/edit.mjs

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+import { getEasingForSegment } from '../../../easing/utils/get-easing-for-segment.mjs';
+import { removeItem } from '../../../utils/array.mjs';
+import { mixNumber } from '../../../utils/mix/number.mjs';
+
+function eraseKeyframes(sequence, startTime, endTime) {
+    for (let i = 0; i < sequence.length; i++) {
+        const keyframe = sequence[i];
+        if (keyframe.at > startTime && keyframe.at < endTime) {
+            removeItem(sequence, keyframe);
+            // If we remove this item we have to push the pointer back one
+            i--;
+        }
+    }
+}
+function addKeyframes(sequence, keyframes, easing, offset, startTime, endTime) {
+    /**
+     * Erase every existing value between currentTime and targetTime,
+     * this will essentially splice this timeline into any currently
+     * defined ones.
+     */
+    eraseKeyframes(sequence, startTime, endTime);
+    for (let i = 0; i < keyframes.length; i++) {
+        sequence.push({
+            value: keyframes[i],
+            at: mixNumber(startTime, endTime, offset[i]),
+            easing: getEasingForSegment(easing, i),
+        });
+    }
+}
+
+export { addKeyframes, eraseKeyframes };

node_modules/framer-motion/dist/es/animation/sequence/utils/sort.mjs

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+function compareByTime(a, b) {
+    if (a.at === b.at) {
+        if (a.value === null)
+            return 1;
+        if (b.value === null)
+            return -1;
+        return 0;
+    }
+    else {
+        return a.at - b.at;
+    }
+}
+
+export { compareByTime };