main repo

This commit is contained in:
Basilosaurusrex
2025-11-24 18:09:40 +01:00
parent b636ee5e70
commit f027651f9b
34146 changed files with 4436636 additions and 0 deletions

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import { px } from 'motion-dom';
function pixelsToPercent(pixels, axis) {
if (axis.max === axis.min)
return 0;
return (pixels / (axis.max - axis.min)) * 100;
}
/**
* We always correct borderRadius as a percentage rather than pixels to reduce paints.
* For example, if you are projecting a box that is 100px wide with a 10px borderRadius
* into a box that is 200px wide with a 20px borderRadius, that is actually a 10%
* borderRadius in both states. If we animate between the two in pixels that will trigger
* a paint each time. If we animate between the two in percentage we'll avoid a paint.
*/
const correctBorderRadius = {
correct: (latest, node) => {
if (!node.target)
return latest;
/**
* If latest is a string, if it's a percentage we can return immediately as it's
* going to be stretched appropriately. Otherwise, if it's a pixel, convert it to a number.
*/
if (typeof latest === "string") {
if (px.test(latest)) {
latest = parseFloat(latest);
}
else {
return latest;
}
}
/**
* If latest is a number, it's a pixel value. We use the current viewportBox to calculate that
* pixel value as a percentage of each axis
*/
const x = pixelsToPercent(latest, node.target.x);
const y = pixelsToPercent(latest, node.target.y);
return `${x}% ${y}%`;
},
};
export { correctBorderRadius, pixelsToPercent };

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import { complex, mixNumber } from 'motion-dom';
const correctBoxShadow = {
correct: (latest, { treeScale, projectionDelta }) => {
const original = latest;
const shadow = complex.parse(latest);
// TODO: Doesn't support multiple shadows
if (shadow.length > 5)
return original;
const template = complex.createTransformer(latest);
const offset = typeof shadow[0] !== "number" ? 1 : 0;
// Calculate the overall context scale
const xScale = projectionDelta.x.scale * treeScale.x;
const yScale = projectionDelta.y.scale * treeScale.y;
shadow[0 + offset] /= xScale;
shadow[1 + offset] /= yScale;
/**
* Ideally we'd correct x and y scales individually, but because blur and
* spread apply to both we have to take a scale average and apply that instead.
* We could potentially improve the outcome of this by incorporating the ratio between
* the two scales.
*/
const averageScale = mixNumber(xScale, yScale, 0.5);
// Blur
if (typeof shadow[2 + offset] === "number")
shadow[2 + offset] /= averageScale;
// Spread
if (typeof shadow[3 + offset] === "number")
shadow[3 + offset] /= averageScale;
return template(shadow);
},
};
export { correctBoxShadow };

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import { isCSSVariableName } from 'motion-dom';
const scaleCorrectors = {};
function addScaleCorrector(correctors) {
for (const key in correctors) {
scaleCorrectors[key] = correctors[key];
if (isCSSVariableName(key)) {
scaleCorrectors[key].isCSSVariable = true;
}
}
}
export { addScaleCorrector, scaleCorrectors };

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function buildProjectionTransform(delta, treeScale, latestTransform) {
let transform = "";
/**
* The translations we use to calculate are always relative to the viewport coordinate space.
* But when we apply scales, we also scale the coordinate space of an element and its children.
* For instance if we have a treeScale (the culmination of all parent scales) of 0.5 and we need
* to move an element 100 pixels, we actually need to move it 200 in within that scaled space.
*/
const xTranslate = delta.x.translate / treeScale.x;
const yTranslate = delta.y.translate / treeScale.y;
const zTranslate = latestTransform?.z || 0;
if (xTranslate || yTranslate || zTranslate) {
transform = `translate3d(${xTranslate}px, ${yTranslate}px, ${zTranslate}px) `;
}
/**
* Apply scale correction for the tree transform.
* This will apply scale to the screen-orientated axes.
*/
if (treeScale.x !== 1 || treeScale.y !== 1) {
transform += `scale(${1 / treeScale.x}, ${1 / treeScale.y}) `;
}
if (latestTransform) {
const { transformPerspective, rotate, rotateX, rotateY, skewX, skewY } = latestTransform;
if (transformPerspective)
transform = `perspective(${transformPerspective}px) ${transform}`;
if (rotate)
transform += `rotate(${rotate}deg) `;
if (rotateX)
transform += `rotateX(${rotateX}deg) `;
if (rotateY)
transform += `rotateY(${rotateY}deg) `;
if (skewX)
transform += `skewX(${skewX}deg) `;
if (skewY)
transform += `skewY(${skewY}deg) `;
}
/**
* Apply scale to match the size of the element to the size we want it.
* This will apply scale to the element-orientated axes.
*/
const elementScaleX = delta.x.scale * treeScale.x;
const elementScaleY = delta.y.scale * treeScale.y;
if (elementScaleX !== 1 || elementScaleY !== 1) {
transform += `scale(${elementScaleX}, ${elementScaleY})`;
}
return transform || "none";
}
export { buildProjectionTransform };