@daysnap/utils/es/chunk-ADGGLX7E.js

通用的工具库

// src/createHexColorByHash.ts
var colorGenByHash = (str) => {
  const lsL = [0.35, 0.5, 0.65];
  const lsS = [0.35, 0.5, 0.65];
  const seed = 131;
  const seed2 = 137;
  let hash = 0;
  str += "x";
  const MAX_SAFE_INTEGER = parseInt((9007199254740991 / seed2).toString(), 10);
  for (let i = 0; i < str.length; i++) {
    if (hash > MAX_SAFE_INTEGER) {
      hash = parseInt((hash / seed2).toString(), 10);
    }
    hash = hash * seed + str.charCodeAt(i);
  }
  let H;
  H = hash % 359;
  hash = parseInt((hash / 360).toString(), 10);
  const S = lsS[hash % lsS.length];
  hash = parseInt((hash / lsS.length).toString(), 10);
  const L = lsL[hash % lsL.length];
  H /= 360;
  const q = L < 0.5 ? L * (1 + S) : L + S - L * S;
  const p = 2 * L - q;
  const RGBArray = [H + 1 / 3, H, H - 1 / 3].map((color) => {
    if (color < 0) {
      color++;
    }
    if (color > 1) {
      color--;
    }
    if (color < 1 / 6) {
      color = p + (q - p) * 6 * color;
    } else if (color < 0.5) {
      color = q;
    } else if (color < 2 / 3) {
      color = p + (q - p) * 6 * (2 / 3 - color);
    } else {
      color = p;
    }
    return Math.round(color * 255);
  });
  let hex = "#";
  RGBArray.forEach((value) => {
    if (value < 16) {
      hex += 0;
    }
    hex += value.toString(16);
  });
  return hex;
};

export {
  colorGenByHash
};