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- import { mixNumber as mixNumber$1 } from './number.mjs';
- import { mixColor } from './color.mjs';
- import { pipe } from '../pipe.mjs';
- import { warning } from 'motion-utils';
- import { color } from '../../value/types/color/index.mjs';
- import { complex, analyseComplexValue } from '../../value/types/complex/index.mjs';
- import { isCSSVariableToken } from '../../render/dom/utils/is-css-variable.mjs';
- import { invisibleValues, mixVisibility } from './visibility.mjs';
- import { mixImmediate } from './immediate.mjs';
- function mixNumber(a, b) {
- return (p) => mixNumber$1(a, b, p);
- }
- function getMixer(a) {
- if (typeof a === "number") {
- return mixNumber;
- }
- else if (typeof a === "string") {
- return isCSSVariableToken(a)
- ? mixImmediate
- : color.test(a)
- ? mixColor
- : mixComplex;
- }
- else if (Array.isArray(a)) {
- return mixArray;
- }
- else if (typeof a === "object") {
- return color.test(a) ? mixColor : mixObject;
- }
- return mixImmediate;
- }
- function mixArray(a, b) {
- const output = [...a];
- const numValues = output.length;
- const blendValue = a.map((v, i) => getMixer(v)(v, b[i]));
- return (p) => {
- for (let i = 0; i < numValues; i++) {
- output[i] = blendValue[i](p);
- }
- return output;
- };
- }
- function mixObject(a, b) {
- const output = { ...a, ...b };
- const blendValue = {};
- for (const key in output) {
- if (a[key] !== undefined && b[key] !== undefined) {
- blendValue[key] = getMixer(a[key])(a[key], b[key]);
- }
- }
- return (v) => {
- for (const key in blendValue) {
- output[key] = blendValue[key](v);
- }
- return output;
- };
- }
- function matchOrder(origin, target) {
- const orderedOrigin = [];
- const pointers = { color: 0, var: 0, number: 0 };
- for (let i = 0; i < target.values.length; i++) {
- const type = target.types[i];
- const originIndex = origin.indexes[type][pointers[type]];
- const originValue = origin.values[originIndex] ?? 0;
- orderedOrigin[i] = originValue;
- pointers[type]++;
- }
- return orderedOrigin;
- }
- const mixComplex = (origin, target) => {
- const template = complex.createTransformer(target);
- const originStats = analyseComplexValue(origin);
- const targetStats = analyseComplexValue(target);
- const canInterpolate = originStats.indexes.var.length === targetStats.indexes.var.length &&
- originStats.indexes.color.length === targetStats.indexes.color.length &&
- originStats.indexes.number.length >= targetStats.indexes.number.length;
- if (canInterpolate) {
- if ((invisibleValues.has(origin) &&
- !targetStats.values.length) ||
- (invisibleValues.has(target) &&
- !originStats.values.length)) {
- return mixVisibility(origin, target);
- }
- return pipe(mixArray(matchOrder(originStats, targetStats), targetStats.values), template);
- }
- else {
- warning(true, `Complex values '${origin}' and '${target}' too different to mix. Ensure all colors are of the same type, and that each contains the same quantity of number and color values. Falling back to instant transition.`);
- return mixImmediate(origin, target);
- }
- };
- export { getMixer, mixArray, mixComplex, mixObject };
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