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 王天杨
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import { pipe, warning } from 'motion-utils';
import { isCSSVariableToken } from '../../animation/utils/is-css-variable.mjs';
import { color } from '../../value/types/color/index.mjs';
import { complex, analyseComplexValue } from '../../value/types/complex/index.mjs';
import { mixColor } from './color.mjs';
import { mixImmediate } from './immediate.mjs';
import { mixNumber as mixNumber$1 } from './number.mjs';
import { invisibleValues, mixVisibility } from './visibility.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.`, "complex-values-different");
return mixImmediate(origin, target);
}
};
export { getMixer, mixArray, mixComplex, mixObject };
//# sourceMappingURL=complex.mjs.map
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