"use strict";
function colorGradient(startColor = "rgb(0, 0, 0)", endColor = "rgb(255, 255, 255)", step = 10) {
  const startRGB = hexToRgb(startColor, false);
  const startR = startRGB[0];
  const startG = startRGB[1];
  const startB = startRGB[2];
  const endRGB = hexToRgb(endColor, false);
  const endR = endRGB[0];
  const endG = endRGB[1];
  const endB = endRGB[2];
  const sR = (endR - startR) / step;
  const sG = (endG - startG) / step;
  const sB = (endB - startB) / step;
  const colorArr = [];
  for (let i = 0; i < step; i++) {
    let hex = rgbToHex(`rgb(${Math.round(sR * i + startR)},${Math.round(sG * i + startG)},${Math.round(sB * i + startB)})`);
    if (i === 0)
      hex = rgbToHex(startColor);
    if (i === step - 1)
      hex = rgbToHex(endColor);
    colorArr.push(hex);
  }
  return colorArr;
}
function hexToRgb(sColor, str = true) {
  const reg = /^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/;
  sColor = String(sColor).toLowerCase();
  if (sColor && reg.test(sColor)) {
    if (sColor.length === 4) {
      let sColorNew = "#";
      for (let i = 1; i < 4; i += 1) {
        sColorNew += sColor.slice(i, i + 1).concat(sColor.slice(i, i + 1));
      }
      sColor = sColorNew;
    }
    const sColorChange = [];
    for (let i = 1; i < 7; i += 2) {
      sColorChange.push(parseInt(`0x${sColor.slice(i, i + 2)}`));
    }
    if (!str) {
      return sColorChange;
    }
    return `rgb(${sColorChange[0]},${sColorChange[1]},${sColorChange[2]})`;
  }
  if (/^(rgb|RGB)/.test(sColor)) {
    const arr = sColor.replace(/(?:\(|\)|rgb|RGB)*/g, "").split(",");
    return arr.map((val) => Number(val));
  }
  return sColor;
}
function rgbToHex(rgb) {
  const _this = rgb;
  const reg = /^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/;
  if (/^(rgb|RGB)/.test(_this)) {
    const aColor = _this.replace(/(?:\(|\)|rgb|RGB)*/g, "").split(",");
    let strHex = "#";
    for (let i = 0; i < aColor.length; i++) {
      let hex = Number(aColor[i]).toString(16);
      hex = String(hex).length == 1 ? `${0}${hex}` : hex;
      if (hex === "0") {
        hex += hex;
      }
      strHex += hex;
    }
    if (strHex.length !== 7) {
      strHex = _this;
    }
    return strHex;
  }
  if (reg.test(_this)) {
    const aNum = _this.replace(/#/, "").split("");
    if (aNum.length === 6) {
      return _this;
    }
    if (aNum.length === 3) {
      let numHex = "#";
      for (let i = 0; i < aNum.length; i += 1) {
        numHex += aNum[i] + aNum[i];
      }
      return numHex;
    }
  } else {
    return _this;
  }
}
function colorToRgba(color, alpha) {
  color = rgbToHex(color);
  const reg = /^#([0-9a-fA-f]{3}|[0-9a-fA-f]{6})$/;
  let sColor = String(color).toLowerCase();
  if (sColor && reg.test(sColor)) {
    if (sColor.length === 4) {
      let sColorNew = "#";
      for (let i = 1; i < 4; i += 1) {
        sColorNew += sColor.slice(i, i + 1).concat(sColor.slice(i, i + 1));
      }
      sColor = sColorNew;
    }
    const sColorChange = [];
    for (let i = 1; i < 7; i += 2) {
      sColorChange.push(parseInt(`0x${sColor.slice(i, i + 2)}`));
    }
    return `rgba(${sColorChange.join(",")},${alpha})`;
  }
  return sColor;
}
const colorGradient$1 = {
  colorGradient,
  hexToRgb,
  rgbToHex,
  colorToRgba
};
exports.colorGradient = colorGradient$1;
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