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- /*!
- * All material copyright ESRI, All Rights Reserved, unless otherwise specified.
- * See https://github.com/Esri/calcite-components/blob/master/LICENSE.md for details.
- * v1.0.0-beta.97
- */
- function rgbToHex(color) {
- const { r, g, b } = color;
- return `#${r.toString(16).padStart(2, "0")}${g.toString(16).padStart(2, "0")}${b
- .toString(16)
- .padStart(2, "0")}`.toLowerCase();
- }
- const hexChar = /^[0-9A-F]$/i;
- const shortHandHex = /^#[0-9A-F]{3}$/i;
- const longhandHex = /^#[0-9A-F]{6}$/i;
- function isValidHex(hex) {
- return isShorthandHex(hex) || isLonghandHex(hex);
- }
- function isShorthandHex(hex) {
- return hex && hex.length === 4 && shortHandHex.test(hex);
- }
- function isLonghandHex(hex) {
- return hex && hex.length === 7 && longhandHex.test(hex);
- }
- function normalizeHex(hex) {
- hex = hex.toLowerCase();
- if (!hex.startsWith("#")) {
- hex = `#${hex}`;
- }
- if (isShorthandHex(hex)) {
- return rgbToHex(hexToRGB(hex));
- }
- return hex;
- }
- function hexToRGB(hex) {
- if (!isValidHex(hex)) {
- return null;
- }
- hex = hex.replace("#", "");
- if (hex.length === 3) {
- const [first, second, third] = hex.split("");
- const r = parseInt(`${first}${first}`, 16);
- const g = parseInt(`${second}${second}`, 16);
- const b = parseInt(`${third}${third}`, 16);
- return { r, g, b };
- }
- const r = parseInt(hex.slice(0, 2), 16);
- const g = parseInt(hex.slice(2, 4), 16);
- const b = parseInt(hex.slice(4, 6), 16);
- return { r, g, b };
- }
- // these utils allow users to pass enum values as strings without having to access the enum
- // based on the approach suggested by https://github.com/microsoft/TypeScript/issues/17690#issuecomment-321365759,
- const enumify = (x) => x;
- const CSSColorMode = enumify({
- HEX: "hex",
- HEXA: "hexa",
- RGB_CSS: "rgb-css",
- RGBA_CSS: "rgba-css",
- HSL_CSS: "hsl-css",
- HSLA_CSS: "hsla-css"
- });
- const ObjectColorMode = enumify({
- RGB: "rgb",
- RGBA: "rgba",
- HSL: "hsl",
- HSLA: "hsla",
- HSV: "hsv",
- HSVA: "hsva"
- });
- function parseMode(colorValue) {
- if (typeof colorValue === "string") {
- if (colorValue.startsWith("#")) {
- const { length } = colorValue;
- if (length === 4 || length === 7) {
- return CSSColorMode.HEX;
- }
- if (length === 5 || length === 9) {
- return CSSColorMode.HEXA;
- }
- }
- if (colorValue.startsWith("rgba(")) {
- return CSSColorMode.RGBA_CSS;
- }
- if (colorValue.startsWith("rgb(")) {
- return CSSColorMode.RGB_CSS;
- }
- if (colorValue.startsWith("hsl(")) {
- return CSSColorMode.HSL_CSS;
- }
- if (colorValue.startsWith("hsla(")) {
- return CSSColorMode.HSLA_CSS;
- }
- }
- if (typeof colorValue === "object") {
- if (hasChannels(colorValue, "r", "g", "b")) {
- return hasChannels(colorValue, "a") ? ObjectColorMode.RGBA : ObjectColorMode.RGB;
- }
- if (hasChannels(colorValue, "h", "s", "l")) {
- return hasChannels(colorValue, "a") ? ObjectColorMode.HSLA : ObjectColorMode.HSL;
- }
- if (hasChannels(colorValue, "h", "s", "v")) {
- return hasChannels(colorValue, "a") ? ObjectColorMode.HSVA : ObjectColorMode.HSV;
- }
- }
- return null;
- }
- function hasChannels(colorObject, ...channels) {
- return channels.every((channel) => channel && colorObject && `${channel}` in colorObject);
- }
- function colorEqual(value1, value2) {
- return (value1 === null || value1 === void 0 ? void 0 : value1.rgbNumber()) === (value2 === null || value2 === void 0 ? void 0 : value2.rgbNumber());
- }
- export { CSSColorMode as C, isLonghandHex as a, hexChar as b, colorEqual as c, hexToRGB as h, isValidHex as i, normalizeHex as n, parseMode as p, rgbToHex as r };
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