💥修复getColor死循环

This commit is contained in:
hi2hi 2024-12-14 03:52:54 +00:00
parent 482e29579a
commit 23e0c515e5

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@ -39,9 +39,11 @@ export function getThreshold(data, tolerance = 2) {
const lineColorMap = {};
const lineColors = [];
const defaultColors = [
'#5470c6', '#91cc75', '#fac858',
'#ee6666', '#73c0de', '#3ba272',
'#fc8452', '#9a60b4', '#ea7ccc',
'#5470C6', '#91CC75', '#FAC858', '#EE6666',
'#73C0DE', '#3BA272', '#FC8452', '#9A60B4',
'#EA7CCC', '#C23531', '#2F4554', '#61A0A8',
'#D48265', '#91C7AE', '#749F83', '#CA8622',
'#BDA29A', '#6E7074', '#546570', '#C4CCD3',
];
/**
@ -76,20 +78,24 @@ function rgbDistance(color1, color2) {
* 获取一个随机颜色
* @returns {string} 返回一个随机颜色的字符串
*/
function getColor() {
function getColor(count = 0, len = 0) {
// 如果尝试次数超过 3 次,返回固定颜色组里面的颜色
if (count > 3) {
return defaultColors[len % defaultColors.length];
}
const { color } = uniqolor.random({
saturation: [75, 90],
lightness: [65, 70],
differencePoint: 100,
});
if (lineColors.includes(color)) {
return getColor();
return getColor(count + 1, len);
}
if (lineColors.some((i) => rgbDistance(
hexToRgb(i),
hexToRgb(color),
) < 80)) {
return getColor();
) < 50)) {
return getColor(count + 1, len);
}
return color;
}
@ -104,14 +110,7 @@ export function getLineColor(name) {
if (lineColorMap[name]) {
return lineColorMap[name];
}
// 如果默认颜色还有剩余,直接使用
if (defaultColors.length > 0) {
const color = defaultColors.shift();
lineColorMap[name] = color;
lineColors.push(color);
return color;
}
const color = getColor();
const color = getColor(0, lineColors.length);
lineColorMap[name] = color;
lineColors.push(color);
return color;