Initial commit

This commit is contained in:
Ammaar Reshi
2025-01-04 14:06:53 +00:00
parent 7082408604
commit d6025af146
23760 changed files with 3299690 additions and 0 deletions

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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 };

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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 };

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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 };