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/*!
 * Copyright (c) 2021 Momo Bassit.
 * Licensed under the MIT License (MIT)
 * https://github.com/mdbassit/Coloris
 */

(function (window, document, Math, undefined) {
    var ctx = document.createElement('canvas').getContext('2d');
    var currentColor = { r: 0, g: 0, b: 0, h: 0, s: 0, v: 0, a: 1 };
    var container, picker, colorArea, colorAreaDims, colorMarker, colorPreview, colorValue, clearButton, closeButton,
    hueSlider, hueMarker, alphaSlider, alphaMarker, currentEl, currentFormat, oldColor, keyboardNav;

// Default settings
    var settings = {
      el: '[data-coloris]',
      parent: 'body',
      theme: 'default',
      themeMode: 'light',
      rtl: false,
      wrap: true,
      margin: 2,
      format: 'hex',
      formatToggle: false,
      swatches: [],
      swatchesOnly: false,
      alpha: true,
      forceAlpha: false,
      focusInput: true,
      selectInput: false,
      inline: false,
      defaultColor: '#000000',
      clearButton: false,
      clearLabel: 'Clear',
      closeButton: false,
      closeLabel: 'Close',
      onChange: function onChange() {return undefined;},
      a11y: {
        open: 'Open color picker',
        close: 'Close color picker',
        clear: 'Clear the selected color',
        marker: 'Saturation: {s}. Brightness: {v}.',
        hueSlider: 'Hue slider',
        alphaSlider: 'Opacity slider',
        input: 'Color value field',
        format: 'Color format',
        swatch: 'Color swatch',
        instruction: 'Saturation and brightness selector. Use up, down, left and right arrow keys to select.' } };

// Virtual instances cache
    var instances = {};
    var currentInstanceId = '';
    var defaultInstance = {};
    var hasInstance = false;

/**
     * Configure the color picker.
     * @param {object} options Configuration options.
     */
    function configure(options) {
      if (typeof options !== 'object') {
        return;
      }

for (var key in options) {
        switch (key) {
          case 'el':
            bindFields(options.el);
            if (options.wrap !== false) {
              wrapFields(options.el);
            }
            break;
          case 'parent':
            container = document.querySelector(options.parent);
            if (container) {
              container.appendChild(picker);
              settings.parent = options.parent;

// document.body is special
              if (container === document.body) {
                container = undefined;
              }
            }
            break;
          case 'themeMode':
            settings.themeMode = options.themeMode;
            if (options.themeMode === 'auto' && window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
              settings.themeMode = 'dark';
            }
          // The lack of a break statement is intentional
          case 'theme':
            if (options.theme) {
              settings.theme = options.theme;
            }

// Set the theme and color scheme
            picker.className = "clr-picker clr-" + settings.theme + " clr-" + settings.themeMode;

// Update the color picker's position if inline mode is in use
            if (settings.inline) {
              updatePickerPosition();
            }
            break;
          case 'rtl':
            settings.rtl = !!options.rtl;
            document.querySelectorAll('.clr-field').forEach(function (field) {return field.classList.toggle('clr-rtl', settings.rtl);});
            break;
          case 'margin':
            options.margin *= 1;
            settings.margin = !isNaN(options.margin) ? options.margin : settings.margin;
            break;
          case 'wrap':
            if (options.el && options.wrap) {
              wrapFields(options.el);
            }
            break;
          case 'formatToggle':
            settings.formatToggle = !!options.formatToggle;
            getEl('clr-format').style.display = settings.formatToggle ? 'block' : 'none';
            if (settings.formatToggle) {
              settings.format = 'auto';
            }
            break;
          case 'swatches':
            if (Array.isArray(options.swatches)) {(function () {
                var swatches = [];

options.swatches.forEach(function (swatch, i) {
                  swatches.push("<button type=\"button\" id=\"clr-swatch-" + i + "\" aria-labelledby=\"clr-swatch-label clr-swatch-" + i + "\" style=\"color: " + swatch + ";\">" + swatch + "</button>");
                });

getEl('clr-swatches').innerHTML = swatches.length ? "<div>" + swatches.join('') + "</div>" : '';
                settings.swatches = options.swatches.slice();})();
            }
            break;
          case 'swatchesOnly':
            settings.swatchesOnly = !!options.swatchesOnly;
            picker.setAttribute('data-minimal', settings.swatchesOnly);
            break;
          case 'alpha':
            settings.alpha = !!options.alpha;
            picker.setAttribute('data-alpha', settings.alpha);
            break;
          case 'inline':
            settings.inline = !!options.inline;
            picker.setAttribute('data-inline', settings.inline);

if (settings.inline) {
              var defaultColor = options.defaultColor || settings.defaultColor;

currentFormat = getColorFormatFromStr(defaultColor);
              updatePickerPosition();
              setColorFromStr(defaultColor);
            }
            break;
          case 'clearButton':
            // Backward compatibility
            if (typeof options.clearButton === 'object') {
              if (options.clearButton.label) {
                settings.clearLabel = options.clearButton.label;
                clearButton.innerHTML = settings.clearLabel;
              }

options.clearButton = options.clearButton.show;
            }

settings.clearButton = !!options.clearButton;
            clearButton.style.display = settings.clearButton ? 'block' : 'none';
            break;
          case 'clearLabel':
            settings.clearLabel = options.clearLabel;
            clearButton.innerHTML = settings.clearLabel;
            break;
          case 'closeButton':
            settings.closeButton = !!options.closeButton;

if (settings.closeButton) {
              picker.insertBefore(closeButton, colorPreview);
            } else {
              colorPreview.appendChild(closeButton);
            }

break;
          case 'closeLabel':
            settings.closeLabel = options.closeLabel;
            closeButton.innerHTML = settings.closeLabel;
            break;
          case 'a11y':
            var labels = options.a11y;
            var update = false;

if (typeof labels === 'object') {
              for (var label in labels) {
                if (labels[label] && settings.a11y[label]) {
                  settings.a11y[label] = labels[label];
                  update = true;
                }
              }
            }

if (update) {
              var openLabel = getEl('clr-open-label');
              var swatchLabel = getEl('clr-swatch-label');

openLabel.innerHTML = settings.a11y.open;
              swatchLabel.innerHTML = settings.a11y.swatch;
              closeButton.setAttribute('aria-label', settings.a11y.close);
              clearButton.setAttribute('aria-label', settings.a11y.clear);
              hueSlider.setAttribute('aria-label', settings.a11y.hueSlider);
              alphaSlider.setAttribute('aria-label', settings.a11y.alphaSlider);
              colorValue.setAttribute('aria-label', settings.a11y.input);
              colorArea.setAttribute('aria-label', settings.a11y.instruction);
            }
            break;
          default:
            settings[key] = options[key];}

}
    }

/**
     * Add or update a virtual instance.
     * @param {String} selector The CSS selector of the elements to which the instance is attached.
     * @param {Object} options Per-instance options to apply.
     */
    function setVirtualInstance(selector, options) {
      if (typeof selector === 'string' && typeof options === 'object') {
        instances[selector] = options;
        hasInstance = true;
      }
    }

/**
     * Remove a virtual instance.
     * @param {String} selector The CSS selector of the elements to which the instance is attached.
     */
    function removeVirtualInstance(selector) {
      delete instances[selector];

if (Object.keys(instances).length === 0) {
        hasInstance = false;

if (selector === currentInstanceId) {
          resetVirtualInstance();
        }
      }
    }

/**
     * Attach a virtual instance to an element if it matches a selector.
     * @param {Object} element Target element that will receive a virtual instance if applicable.
     */
    function attachVirtualInstance(element) {
      if (hasInstance) {
        // These options can only be set globally, not per instance
        var unsupportedOptions = ['el', 'wrap', 'rtl', 'inline', 'defaultColor', 'a11y'];var _loop = function _loop(

selector) {
          var options = instances[selector];

// If the element matches an instance's CSS selector
          if (element.matches(selector)) {
            currentInstanceId = selector;
            defaultInstance = {};

// Delete unsupported options
            unsupportedOptions.forEach(function (option) {return delete options[option];});

// Back up the default options so we can restore them later
            for (var option in options) {
              defaultInstance[option] = Array.isArray(settings[option]) ? settings[option].slice() : settings[option];
            }

// Set the instance's options
            configure(options);
            return "break";
          }};for (var selector in instances) {var _ret = _loop(selector);if (_ret === "break") break;
        }
      }
    }

/**
     * Revert any per-instance options that were previously applied.
     */
    function resetVirtualInstance() {
      if (Object.keys(defaultInstance).length > 0) {
        configure(defaultInstance);
        currentInstanceId = '';
        defaultInstance = {};
      }
    }

/**
     * Bind the color picker to input fields that match the selector.
     * @param {string} selector One or more selectors pointing to input fields.
     */
    function bindFields(selector) {
      // Show the color picker on click on the input fields that match the selector
      addListener(document, 'click', selector, function (event) {
        // Skip if inline mode is in use
        if (settings.inline) {
          return;
        }

// Apply any per-instance options first
        attachVirtualInstance(event.target);

currentEl = event.target;
        oldColor = currentEl.value;
        currentFormat = getColorFormatFromStr(oldColor);
        picker.classList.add('clr-open');

updatePickerPosition();
        setColorFromStr(oldColor);

if (settings.focusInput || settings.selectInput) {
          colorValue.focus({ preventScroll: true });
          colorValue.setSelectionRange(currentEl.selectionStart, currentEl.selectionEnd);
        }

if (settings.selectInput) {
          colorValue.select();
        }

// Always focus the first element when using keyboard navigation
        if (keyboardNav || settings.swatchesOnly) {
          getFocusableElements().shift().focus();
        }

// Trigger an "open" event
        currentEl.dispatchEvent(new Event('open', { bubbles: true }));
      });

// Update the color preview of the input fields that match the selector
      addListener(document, 'input', selector, function (event) {
        var parent = event.target.parentNode;

// Only update the preview if the field has been previously wrapped
        if (parent.classList.contains('clr-field')) {
          parent.style.color = event.target.value;
        }
      });
    }

/**
     * Update the color picker's position and the color gradient's offset
     */
    function updatePickerPosition() {
      var parent = container;
      var scrollY = window.scrollY;
      var pickerWidth = picker.offsetWidth;
      var pickerHeight = picker.offsetHeight;
      var reposition = { left: false, top: false };
      var parentStyle, parentMarginTop, parentBorderTop;
      var offset = { x: 0, y: 0 };

if (parent) {
        parentStyle = window.getComputedStyle(parent);
        parentMarginTop = parseFloat(parentStyle.marginTop);
        parentBorderTop = parseFloat(parentStyle.borderTopWidth);

offset = parent.getBoundingClientRect();
        offset.y += parentBorderTop + scrollY;
      }

if (!settings.inline) {
        var coords = currentEl.getBoundingClientRect();
        var left = coords.x;
        var top = scrollY + coords.y + coords.height + settings.margin;

// If the color picker is inside a custom container
        // set the position relative to it
        if (parent) {
          left -= offset.x;
          top -= offset.y;

if (left + pickerWidth > parent.clientWidth) {
            left += coords.width - pickerWidth;
            reposition.left = true;
          }

if (top + pickerHeight > parent.clientHeight - parentMarginTop) {
            if (pickerHeight + settings.margin <= coords.top - (offset.y - scrollY)) {
              top -= coords.height + pickerHeight + settings.margin * 2;
              reposition.top = true;
            }
          }

top += parent.scrollTop;

// Otherwise set the position relative to the whole document
        } else {
          if (left + pickerWidth > document.documentElement.clientWidth) {
            left += coords.width - pickerWidth;
            reposition.left = true;
          }

if (top + pickerHeight - scrollY > document.documentElement.clientHeight) {
            if (pickerHeight + settings.margin <= coords.top) {
              top = scrollY + coords.y - pickerHeight - settings.margin;
              reposition.top = true;
            }
          }
        }

picker.classList.toggle('clr-left', reposition.left);
        picker.classList.toggle('clr-top', reposition.top);
        picker.style.left = left + "px";
        picker.style.top = top + "px";
        offset.x += picker.offsetLeft;
        offset.y += picker.offsetTop;
      }

colorAreaDims = {
        width: colorArea.offsetWidth,
        height: colorArea.offsetHeight,
        x: colorArea.offsetLeft + offset.x,
        y: colorArea.offsetTop + offset.y };

}

/**
     * Wrap the linked input fields in a div that adds a color preview.
     * @param {string} selector One or more selectors pointing to input fields.
     */
    function wrapFields(selector) {
      document.querySelectorAll(selector).forEach(function (field) {
        var parentNode = field.parentNode;

if (!parentNode.classList.contains('clr-field')) {
          var wrapper = document.createElement('div');
          var classes = 'clr-field';

if (settings.rtl || field.classList.contains('clr-rtl')) {
            classes += ' clr-rtl';
          }

wrapper.innerHTML = "<button type=\"button\" aria-labelledby=\"clr-open-label\"></button>";
          parentNode.insertBefore(wrapper, field);
          wrapper.setAttribute('class', classes);
          wrapper.style.color = field.value;
          wrapper.appendChild(field);
        }
      });
    }

/**
     * Close the color picker.
     * @param {boolean} [revert] If true, revert the color to the original value.
     */
    function closePicker(revert) {
      if (currentEl && !settings.inline) {
        var prevEl = currentEl;

// Revert the color to the original value if needed
        if (revert) {
          // This will prevent the "change" event on the colorValue input to execute its handler
          currentEl = undefined;

if (oldColor !== prevEl.value) {
            prevEl.value = oldColor;

// Trigger an "input" event to force update the thumbnail next to the input field
            prevEl.dispatchEvent(new Event('input', { bubbles: true }));
          }
        }

// Trigger a "change" event if needed
        setTimeout(function () {// Add this to the end of the event loop
          if (oldColor !== prevEl.value) {
            prevEl.dispatchEvent(new Event('change', { bubbles: true }));
          }
        });

// Hide the picker dialog
        picker.classList.remove('clr-open');

// Reset any previously set per-instance options
        if (hasInstance) {
          resetVirtualInstance();
        }

// Trigger a "close" event
        prevEl.dispatchEvent(new Event('close', { bubbles: true }));

if (settings.focusInput) {
          prevEl.focus({ preventScroll: true });
        }

// This essentially marks the picker as closed
        currentEl = undefined;
      }
    }

/**
     * Set the active color from a string.
     * @param {string} str String representing a color.
     */
    function setColorFromStr(str) {
      var rgba = strToRGBA(str);
      var hsva = RGBAtoHSVA(rgba);

updateMarkerA11yLabel(hsva.s, hsva.v);
      updateColor(rgba, hsva);

// Update the UI
      hueSlider.value = hsva.h;
      picker.style.color = "hsl(" + hsva.h + ", 100%, 50%)";
      hueMarker.style.left = hsva.h / 360 * 100 + "%";

colorMarker.style.left = colorAreaDims.width * hsva.s / 100 + "px";
      colorMarker.style.top = colorAreaDims.height - colorAreaDims.height * hsva.v / 100 + "px";

alphaSlider.value = hsva.a * 100;
      alphaMarker.style.left = hsva.a * 100 + "%";
    }

/**
     * Guess the color format from a string.
     * @param {string} str String representing a color.
     * @return {string} The color format.
     */
    function getColorFormatFromStr(str) {
      var format = str.substring(0, 3).toLowerCase();

if (format === 'rgb' || format === 'hsl') {
        return format;
      }

return 'hex';
    }

/**
     * Copy the active color to the linked input field.
     * @param {number} [color] Color value to override the active color.
     */
    function pickColor(color) {
      color = color !== undefined ? color : colorValue.value;

if (currentEl) {
        currentEl.value = color;
        currentEl.dispatchEvent(new Event('input', { bubbles: true }));
      }

if (settings.onChange) {
        settings.onChange.call(window, color, currentEl);
      }

document.dispatchEvent(new CustomEvent('coloris:pick', { detail: { color: color, currentEl: currentEl } }));
    }

/**
     * Set the active color based on a specific point in the color gradient.
     * @param {number} x Left position.
     * @param {number} y Top position.
     */
    function setColorAtPosition(x, y) {
      var hsva = {
        h: hueSlider.value * 1,
        s: x / colorAreaDims.width * 100,
        v: 100 - y / colorAreaDims.height * 100,
        a: alphaSlider.value / 100 };

var rgba = HSVAtoRGBA(hsva);

updateMarkerA11yLabel(hsva.s, hsva.v);
      updateColor(rgba, hsva);
      pickColor();
    }

/**
     * Update the color marker's accessibility label.
     * @param {number} saturation
     * @param {number} value
     */
    function updateMarkerA11yLabel(saturation, value) {
      var label = settings.a11y.marker;

saturation = saturation.toFixed(1) * 1;
      value = value.toFixed(1) * 1;
      label = label.replace('{s}', saturation);
      label = label.replace('{v}', value);
      colorMarker.setAttribute('aria-label', label);
    }

//
    /**
     * Get the pageX and pageY positions of the pointer.
     * @param {object} event The MouseEvent or TouchEvent object.
     * @return {object} The pageX and pageY positions.
     */
    function getPointerPosition(event) {
      return {
        pageX: event.changedTouches ? event.changedTouches[0].pageX : event.pageX,
        pageY: event.changedTouches ? event.changedTouches[0].pageY : event.pageY };

}

/**
     * Move the color marker when dragged.
     * @param {object} event The MouseEvent object.
     */
    function moveMarker(event) {
      var pointer = getPointerPosition(event);
      var x = pointer.pageX - colorAreaDims.x;
      var y = pointer.pageY - colorAreaDims.y;

if (container) {
        y += container.scrollTop;
      }

setMarkerPosition(x, y);

// Prevent scrolling while dragging the marker
      event.preventDefault();
      event.stopPropagation();
    }

/**
     * Move the color marker when the arrow keys are pressed.
     * @param {number} offsetX The horizontal amount to move.
     * @param {number} offsetY The vertical amount to move.
     */
    function moveMarkerOnKeydown(offsetX, offsetY) {
      var x = colorMarker.style.left.replace('px', '') * 1 + offsetX;
      var y = colorMarker.style.top.replace('px', '') * 1 + offsetY;

setMarkerPosition(x, y);
    }

/**
     * Set the color marker's position.
     * @param {number} x Left position.
     * @param {number} y Top position.
     */
    function setMarkerPosition(x, y) {
      // Make sure the marker doesn't go out of bounds
      x = x < 0 ? 0 : x > colorAreaDims.width ? colorAreaDims.width : x;
      y = y < 0 ? 0 : y > colorAreaDims.height ? colorAreaDims.height : y;

// Set the position
      colorMarker.style.left = x + "px";
      colorMarker.style.top = y + "px";

// Update the color
      setColorAtPosition(x, y);

// Make sure the marker is focused
      colorMarker.focus();
    }

/**
     * Update the color picker's input field and preview thumb.
     * @param {Object} rgba Red, green, blue and alpha values.
     * @param {Object} [hsva] Hue, saturation, value and alpha values.
     */
    function updateColor(rgba, hsva) {if (rgba === void 0) {rgba = {};}if (hsva === void 0) {hsva = {};}
      var format = settings.format;

for (var key in rgba) {
        currentColor[key] = rgba[key];
      }

for (var _key in hsva) {
        currentColor[_key] = hsva[_key];
      }

var hex = RGBAToHex(currentColor);
      var opaqueHex = hex.substring(0, 7);

colorMarker.style.color = opaqueHex;
      alphaMarker.parentNode.style.color = opaqueHex;
      alphaMarker.style.color = hex;
      colorPreview.style.color = hex;

// Force repaint the color and alpha gradients as a workaround for a Google Chrome bug
      colorArea.style.display = 'none';
      colorArea.offsetHeight;
      colorArea.style.display = '';
      alphaMarker.nextElementSibling.style.display = 'none';
      alphaMarker.nextElementSibling.offsetHeight;
      alphaMarker.nextElementSibling.style.display = '';

if (format === 'mixed') {
        format = currentColor.a === 1 ? 'hex' : 'rgb';
      } else if (format === 'auto') {
        format = currentFormat;
      }

switch (format) {
        case 'hex':
          colorValue.value = hex;
          break;
        case 'rgb':
          colorValue.value = RGBAToStr(currentColor);
          break;
        case 'hsl':
          colorValue.value = HSLAToStr(HSVAtoHSLA(currentColor));
          break;}

// Select the current format in the format switcher
      document.querySelector(".clr-format [value=\"" + format + "\"]").checked = true;
    }

/**
     * Set the hue when its slider is moved.
     */
    function setHue() {
      var hue = hueSlider.value * 1;
      var x = colorMarker.style.left.replace('px', '') * 1;
      var y = colorMarker.style.top.replace('px', '') * 1;

picker.style.color = "hsl(" + hue + ", 100%, 50%)";
      hueMarker.style.left = hue / 360 * 100 + "%";

setColorAtPosition(x, y);
    }

/**
     * Set the alpha when its slider is moved.
     */
    function setAlpha() {
      var alpha = alphaSlider.value / 100;

alphaMarker.style.left = alpha * 100 + "%";
      updateColor({ a: alpha });
      pickColor();
    }

/**
     * Convert HSVA to RGBA.
     * @param {object} hsva Hue, saturation, value and alpha values.
     * @return {object} Red, green, blue and alpha values.
     */
    function HSVAtoRGBA(hsva) {
      var saturation = hsva.s / 100;
      var value = hsva.v / 100;
      var chroma = saturation * value;
      var hueBy60 = hsva.h / 60;
      var x = chroma * (1 - Math.abs(hueBy60 % 2 - 1));
      var m = value - chroma;

chroma = chroma + m;
      x = x + m;

var index = Math.floor(hueBy60) % 6;
      var red = [chroma, x, m, m, x, chroma][index];
      var green = [x, chroma, chroma, x, m, m][index];
      var blue = [m, m, x, chroma, chroma, x][index];

return {
        r: Math.round(red * 255),
        g: Math.round(green * 255),
        b: Math.round(blue * 255),
        a: hsva.a };

}

/**
     * Convert HSVA to HSLA.
     * @param {object} hsva Hue, saturation, value and alpha values.
     * @return {object} Hue, saturation, lightness and alpha values.
     */
    function HSVAtoHSLA(hsva) {
      var value = hsva.v / 100;
      var lightness = value * (1 - hsva.s / 100 / 2);
      var saturation;

if (lightness > 0 && lightness < 1) {
        saturation = Math.round((value - lightness) / Math.min(lightness, 1 - lightness) * 100);
      }

return {
        h: hsva.h,
        s: saturation || 0,
        l: Math.round(lightness * 100),
        a: hsva.a };

}

/**
     * Convert RGBA to HSVA.
     * @param {object} rgba Red, green, blue and alpha values.
     * @return {object} Hue, saturation, value and alpha values.
     */
    function RGBAtoHSVA(rgba) {
      var red = rgba.r / 255;
      var green = rgba.g / 255;
      var blue = rgba.b / 255;
      var xmax = Math.max(red, green, blue);
      var xmin = Math.min(red, green, blue);
      var chroma = xmax - xmin;
      var value = xmax;
      var hue = 0;
      var saturation = 0;

if (chroma) {
        if (xmax === red) {hue = (green - blue) / chroma;}
        if (xmax === green) {hue = 2 + (blue - red) / chroma;}
        if (xmax === blue) {hue = 4 + (red - green) / chroma;}
        if (xmax) {saturation = chroma / xmax;}
      }

hue = Math.floor(hue * 60);

return {
        h: hue < 0 ? hue + 360 : hue,
        s: Math.round(saturation * 100),
        v: Math.round(value * 100),
        a: rgba.a };

}

/**
     * Parse a string to RGBA.
     * @param {string} str String representing a color.
     * @return {object} Red, green, blue and alpha values.
     */
    function strToRGBA(str) {
      var regex = /^((rgba)|rgb)[\D]+([\d.]+)[\D]+([\d.]+)[\D]+([\d.]+)[\D]*?([\d.]+|$)/i;
      var match, rgba;

// Default to black for invalid color strings
      ctx.fillStyle = '#000';

// Use canvas to convert the string to a valid color string
      ctx.fillStyle = str;
      match = regex.exec(ctx.fillStyle);

if (match) {
        rgba = {
          r: match[3] * 1,
          g: match[4] * 1,
          b: match[5] * 1,
          a: match[6] * 1 };

// Workaround to mitigate a Chromium bug where the alpha value is rounded incorrectly
        rgba.a = +rgba.a.toFixed(2);

} else {
        match = ctx.fillStyle.replace('#', '').match(/.{2}/g).map(function (h) {return parseInt(h, 16);});
        rgba = {
          r: match[0],
          g: match[1],
          b: match[2],
          a: 1 };

}

return rgba;
    }

/**
     * Convert RGBA to Hex.
     * @param {object} rgba Red, green, blue and alpha values.
     * @return {string} Hex color string.
     */
    function RGBAToHex(rgba) {
      var R = rgba.r.toString(16);
      var G = rgba.g.toString(16);
      var B = rgba.b.toString(16);
      var A = '';

if (rgba.r < 16) {
        R = '0' + R;
      }

if (rgba.g < 16) {
        G = '0' + G;
      }

if (rgba.b < 16) {
        B = '0' + B;
      }

if (settings.alpha && (rgba.a < 1 || settings.forceAlpha)) {
        var alpha = rgba.a * 255 | 0;
        A = alpha.toString(16);

if (alpha < 16) {
          A = '0' + A;
        }
      }

return '#' + R + G + B + A;
    }

/**
     * Convert RGBA values to a CSS rgb/rgba string.
     * @param {object} rgba Red, green, blue and alpha values.
     * @return {string} CSS color string.
     */
    function RGBAToStr(rgba) {
      if (!settings.alpha || rgba.a === 1 && !settings.forceAlpha) {
        return "rgb(" + rgba.r + ", " + rgba.g + ", " + rgba.b + ")";
      } else {
        return "rgba(" + rgba.r + ", " + rgba.g + ", " + rgba.b + ", " + rgba.a + ")";
      }
    }

/**
     * Convert HSLA values to a CSS hsl/hsla string.
     * @param {object} hsla Hue, saturation, lightness and alpha values.
     * @return {string} CSS color string.
     */
    function HSLAToStr(hsla) {
      if (!settings.alpha || hsla.a === 1 && !settings.forceAlpha) {
        return "hsl(" + hsla.h + ", " + hsla.s + "%, " + hsla.l + "%)";
      } else {
        return "hsla(" + hsla.h + ", " + hsla.s + "%, " + hsla.l + "%, " + hsla.a + ")";
      }
    }

/**
     * Init the color picker.
     */
    function init() {
      // Render the UI
      container = undefined;
      picker = document.createElement('div');
      picker.setAttribute('id', 'clr-picker');
      picker.className = 'clr-picker';
      picker.innerHTML =
      "<input id=\"clr-color-value\" name=\"clr-color-value\" class=\"clr-color\" type=\"text\" value=\"\" spellcheck=\"false\" aria-label=\"" + settings.a11y.input + "\">" + ("<div id=\"clr-color-area\" class=\"clr-gradient\" role=\"application\" aria-label=\"" +
      settings.a11y.instruction + "\">") +
      '<div id="clr-color-marker" class="clr-marker" tabindex="0"></div>' +
      '</div>' +
      '<div class="clr-hue">' + ("<input id=\"clr-hue-slider\" name=\"clr-hue-slider\" type=\"range\" min=\"0\" max=\"360\" step=\"1\" aria-label=\"" +
      settings.a11y.hueSlider + "\">") +
      '<div id="clr-hue-marker"></div>' +
      '</div>' +
      '<div class="clr-alpha">' + ("<input id=\"clr-alpha-slider\" name=\"clr-alpha-slider\" type=\"range\" min=\"0\" max=\"100\" step=\"1\" aria-label=\"" +
      settings.a11y.alphaSlider + "\">") +
      '<div id="clr-alpha-marker"></div>' +
      '<span></span>' +
      '</div>' +
      '<div id="clr-format" class="clr-format">' +
      '<fieldset class="clr-segmented">' + ("<legend>" +
      settings.a11y.format + "</legend>") +
      '<input id="clr-f1" type="radio" name="clr-format" value="hex">' +
      '<label for="clr-f1">Hex</label>' +
      '<input id="clr-f2" type="radio" name="clr-format" value="rgb">' +
      '<label for="clr-f2">RGB</label>' +
      '<input id="clr-f3" type="radio" name="clr-format" value="hsl">' +
      '<label for="clr-f3">HSL</label>' +
      '<span></span>' +
      '</fieldset>' +
      '</div>' +
      '<div id="clr-swatches" class="clr-swatches"></div>' + ("<button type=\"button\" id=\"clr-clear\" class=\"clr-clear\" aria-label=\"" +
      settings.a11y.clear + "\">" + settings.clearLabel + "</button>") +
      '<div id="clr-color-preview" class="clr-preview">' + ("<button type=\"button\" id=\"clr-close\" class=\"clr-close\" aria-label=\"" +
      settings.a11y.close + "\">" + settings.closeLabel + "</button>") +
      '</div>' + ("<span id=\"clr-open-label\" hidden>" +
      settings.a11y.open + "</span>") + ("<span id=\"clr-swatch-label\" hidden>" +
      settings.a11y.swatch + "</span>");

// Append the color picker to the DOM
      document.body.appendChild(picker);

// Reference the UI elements
      colorArea = getEl('clr-color-area');
      colorMarker = getEl('clr-color-marker');
      clearButton = getEl('clr-clear');
      closeButton = getEl('clr-close');
      colorPreview = getEl('clr-color-preview');
      colorValue = getEl('clr-color-value');
      hueSlider = getEl('clr-hue-slider');
      hueMarker = getEl('clr-hue-marker');
      alphaSlider = getEl('clr-alpha-slider');
      alphaMarker = getEl('clr-alpha-marker');

// Bind the picker to the default selector
      bindFields(settings.el);
      wrapFields(settings.el);

addListener(picker, 'mousedown', function (event) {
        picker.classList.remove('clr-keyboard-nav');
        event.stopPropagation();
      });

addListener(colorArea, 'mousedown', function (event) {
        addListener(document, 'mousemove', moveMarker);
      });

addListener(colorArea, 'touchstart', function (event) {
        document.addEventListener('touchmove', moveMarker, { passive: false });
      });

addListener(colorMarker, 'mousedown', function (event) {
        addListener(document, 'mousemove', moveMarker);
      });

addListener(colorMarker, 'touchstart', function (event) {
        document.addEventListener('touchmove', moveMarker, { passive: false });
      });

addListener(colorValue, 'change', function (event) {
        var value = colorValue.value;

if (currentEl || settings.inline) {
          var color = value === '' ? value : setColorFromStr(value);
          pickColor(color);
        }
      });

addListener(clearButton, 'click', function (event) {
        pickColor('');
        closePicker();
      });

addListener(closeButton, 'click', function (event) {
        pickColor();
        closePicker();
      });

addListener(getEl('clr-format'), 'click', '.clr-format input', function (event) {
        currentFormat = event.target.value;
        updateColor();
        pickColor();
      });

addListener(picker, 'click', '.clr-swatches button', function (event) {
        setColorFromStr(event.target.textContent);
        pickColor();

if (settings.swatchesOnly) {
          closePicker();
        }
      });

addListener(document, 'mouseup', function (event) {
        document.removeEventListener('mousemove', moveMarker);
      });

addListener(document, 'touchend', function (event) {
        document.removeEventListener('touchmove', moveMarker);
      });

addListener(document, 'mousedown', function (event) {
        keyboardNav = false;
        picker.classList.remove('clr-keyboard-nav');
        closePicker();
      });

addListener(document, 'keydown', function (event) {
        var key = event.key;
        var target = event.target;
        var shiftKey = event.shiftKey;
        var navKeys = ['Tab', 'ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight'];

if (key === 'Escape') {
          closePicker(true);

// Display focus rings when using the keyboard
        } else if (navKeys.includes(key)) {
          keyboardNav = true;
          picker.classList.add('clr-keyboard-nav');
        }

// Trap the focus within the color picker while it's open
        if (key === 'Tab' && target.matches('.clr-picker *')) {
          var focusables = getFocusableElements();
          var firstFocusable = focusables.shift();
          var lastFocusable = focusables.pop();

if (shiftKey && target === firstFocusable) {
            lastFocusable.focus();
            event.preventDefault();
          } else if (!shiftKey && target === lastFocusable) {
            firstFocusable.focus();
            event.preventDefault();
          }
        }
      });

addListener(document, 'click', '.clr-field button', function (event) {
        // Reset any previously set per-instance options
        if (hasInstance) {
          resetVirtualInstance();
        }

// Open the color picker
        event.target.nextElementSibling.dispatchEvent(new Event('click', { bubbles: true }));
      });

addListener(colorMarker, 'keydown', function (event) {
        var movements = {
          ArrowUp: [0, -1],
          ArrowDown: [0, 1],
          ArrowLeft: [-1, 0],
          ArrowRight: [1, 0] };

if (Object.keys(movements).includes(event.key)) {
          moveMarkerOnKeydown.apply(void 0, movements[event.key]);
          event.preventDefault();
        }
      });

addListener(colorArea, 'click', moveMarker);
      addListener(hueSlider, 'input', setHue);
      addListener(alphaSlider, 'input', setAlpha);
    }

/**
     * Return a list of focusable elements within the color picker.
     * @return {array} The list of focusable DOM elemnts.
     */
    function getFocusableElements() {
      var controls = Array.from(picker.querySelectorAll('input, button'));
      var focusables = controls.filter(function (node) {return !!node.offsetWidth;});

return focusables;
    }

/**
     * Shortcut for getElementById to optimize the minified JS.
     * @param {string} id The element id.
     * @return {object} The DOM element with the provided id.
     */
    function getEl(id) {
      return document.getElementById(id);
    }

/**
     * Shortcut for addEventListener to optimize the minified JS.
     * @param {object} context The context to which the listener is attached.
     * @param {string} type Event type.
     * @param {(string|function)} selector Event target if delegation is used, event handler if not.
     * @param {function} [fn] Event handler if delegation is used.
     */
    function addListener(context, type, selector, fn) {
      var matches = Element.prototype.matches || Element.prototype.msMatchesSelector;

// Delegate event to the target of the selector
      if (typeof selector === 'string') {
        context.addEventListener(type, function (event) {
          if (matches.call(event.target, selector)) {
            fn.call(event.target, event);
          }
        });

// If the selector is not a string then it's a function
        // in which case we need a regular event listener
      } else {
        fn = selector;
        context.addEventListener(type, fn);
      }
    }

/**
     * Call a function only when the DOM is ready.
     * @param {function} fn The function to call.
     * @param {array} [args] Arguments to pass to the function.
     */
    function DOMReady(fn, args) {
      args = args !== undefined ? args : [];

if (document.readyState !== 'loading') {
        fn.apply(void 0, args);
      } else {
        document.addEventListener('DOMContentLoaded', function () {
          fn.apply(void 0, args);
        });
      }
    }

// Polyfill for Nodelist.forEach
    if (NodeList !== undefined && NodeList.prototype && !NodeList.prototype.forEach) {
      NodeList.prototype.forEach = Array.prototype.forEach;
    }

// Expose the color picker to the global scope
    window.Coloris = function () {
      var methods = {
        set: configure,
        wrap: wrapFields,
        close: closePicker,
        setInstance: setVirtualInstance,
        removeInstance: removeVirtualInstance,
        updatePosition: updatePickerPosition };

key) {
        Coloris[key] = function () {for (var _len = arguments.length, args = new Array(_len), _key2 = 0; _key2 < _len; _key2++) {args[_key2] = arguments[_key2];}
          DOMReady(methods[key], args);
        };};for (var key in methods) {_loop2(key);
      }

return Coloris;
    }();

// Init the color picker when the DOM is ready
    DOMReady(init);

})(window, document, Math);

/home/batcwwjx/www/../public_html/wp-content/plugins/charitable/assets/js/libraries/coloris.min.js