element-plus/lib/components/color-picker/src/utils/color.js

A Component Library for Vue 3

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var tinycolor = require('@ctrl/tinycolor');
var shared = require('@vue/shared');

class Color {
  constructor(options = {}) {
    this._hue = 0;
    this._saturation = 100;
    this._value = 100;
    this._alpha = 100;
    this._tiny = new tinycolor.TinyColor();
    this._isValid = false;
    this.enableAlpha = false;
    this.format = "";
    this.value = "";
    for (const option in options) {
      if (shared.hasOwn(options, option)) {
        this[option] = options[option];
      }
    }
    if (options.value) {
      this.fromString(options.value);
    } else {
      this.doOnChange();
    }
  }
  set(prop, value) {
    if (arguments.length === 1 && typeof prop === "object") {
      for (const p in prop) {
        if (shared.hasOwn(prop, p)) {
          this.set(p, prop[p]);
        }
      }
      return;
    }
    this[`_${prop}`] = value;
    this._isValid = true;
    this.doOnChange();
  }
  get(prop) {
    if (["hue", "saturation", "value", "alpha"].includes(prop)) {
      return Math.round(this[`_${prop}`]);
    }
    return this[`_${prop}`];
  }
  toRgb() {
    return this._isValid ? this._tiny.toRgb() : { r: 255, g: 255, b: 255, a: 0 };
  }
  fromString(value) {
    const color = new tinycolor.TinyColor(value);
    this._isValid = color.isValid;
    if (color.isValid) {
      const { h, s, v, a } = color.toHsv();
      this._hue = h;
      this._saturation = s * 100;
      this._value = v * 100;
      this._alpha = a * 100;
    } else {
      this._hue = 0;
      this._saturation = 100;
      this._value = 100;
      this._alpha = 100;
    }
    this.doOnChange();
  }
  compare(color) {
    const compareColor = new tinycolor.TinyColor({
      h: color._hue,
      s: color._saturation / 100,
      v: color._value / 100,
      a: color._alpha / 100
    });
    return this._tiny.equals(compareColor);
  }
  doOnChange() {
    const { _hue, _saturation, _value, _alpha, format, enableAlpha } = this;
    let _format = format || (enableAlpha ? "rgb" : "hex");
    if (format === "hex" && enableAlpha) {
      _format = "hex8";
    }
    this._tiny = new tinycolor.TinyColor({
      h: _hue,
      s: _saturation / 100,
      v: _value / 100,
      a: _alpha / 100
    });
    this.value = this._isValid ? this._tiny.toString(_format) : "";
  }
}

exports["default"] = Color;
//# sourceMappingURL=color.js.map