svelte-motion/src/render/html/utils/transform.js

Svelte animation library based on the React library framer-motion.

/** 
based on framer-motion@4.0.3,
Copyright (c) 2018 Framer B.V.
*/

/**
 * A list of all transformable axes. We'll use this list to generated a version
 * of each axes for each transform.
 */
var transformAxes = ["", "X", "Y", "Z"];
/**
 * An ordered array of each transformable value. By default, transform values
 * will be sorted to this order.
 */
var order = ["translate", "scale", "rotate", "skew"];
/**
 * Generate a list of every possible transform key.
 */
var transformProps = ["transformPerspective", "x", "y", "z"];
order.forEach(function (operationKey) {
    return transformAxes.forEach(function (axesKey) {
        return transformProps.push(operationKey + axesKey);
    });
});
/**
 * A function to use with Array.sort to sort transform keys by their default order.
 */
function sortTransformProps(a, b) {
    return transformProps.indexOf(a) - transformProps.indexOf(b);
}
/**
 * A quick lookup for transform props.
 */
var transformPropSet = new Set(transformProps);
function isTransformProp(key) {
    return transformPropSet.has(key);
}
/**
 * A quick lookup for transform origin props
 */
var transformOriginProps = new Set(["originX", "originY", "originZ"]);
function isTransformOriginProp(key) {
    return transformOriginProps.has(key);
}

export { isTransformOriginProp, isTransformProp, sortTransformProps, transformAxes, transformProps };