dumi
Version:
📖 Documentation Generator of React Component
172 lines (166 loc) • 8.27 kB
JavaScript
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) arr2[i] = arr[i]; return arr2; }
function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0); } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i.return && (_r = _i.return(), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } }
function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
import { PREFERS_COLOR_ATTR, PREFERS_COLOR_LS_KEY } from "../../constants";
import { useSiteData } from 'dumi';
import { useCallback, useEffect, useState } from 'react';
var colorChanger;
var ColorChanger = /*#__PURE__*/function () {
function ColorChanger(opts) {
var _this = this;
_classCallCheck(this, ColorChanger);
/**
* current color
* @note exclude `auto`
*/
_defineProperty(this, "color", void 0);
/**
* current prefers color
* @note include `auto`
*/
_defineProperty(this, "prefersColor", void 0);
/**
* color change callbacks
*/
_defineProperty(this, "callbacks", []);
this.prefersColor = navigator.cookieEnabled &&
// read from localStorage first, because `auto` will not be set to attr
localStorage.getItem(PREFERS_COLOR_LS_KEY) ||
// then use default value from themeConfig
opts.default;
this.color = document.documentElement.getAttribute(PREFERS_COLOR_ATTR);
// listen prefers color change
['light', 'dark'].forEach(function (color) {
var mediaQueryList = _this.getColorMedia(color);
var handler = function handler(ev) {
// only apply media prefers color in auto mode
if (ev.matches && _this.prefersColor === 'auto') {
_this.color = color;
document.documentElement.setAttribute(PREFERS_COLOR_ATTR, color);
_this.applyCallbacks();
}
};
// compatible with Safari 13-
/* istanbul ignore else */
if (mediaQueryList.addEventListener) {
mediaQueryList.addEventListener('change', handler);
} else if (mediaQueryList.addListener) {
mediaQueryList.addListener(handler);
}
});
}
/**
* get media instance for prefers color
* @param color prefers color
*/
_createClass(ColorChanger, [{
key: "getColorMedia",
value: function getColorMedia(color) {
return window.matchMedia("(prefers-color-scheme: ".concat(color, ")"));
}
/**
* detect color whether matches current color mode
* @param color expected color
*/
}, {
key: "isColorMode",
value: function isColorMode(color) {
return this.getColorMedia(color).matches;
}
/**
* apply all event change callbacks
*/
}, {
key: "applyCallbacks",
value: function applyCallbacks() {
var _this2 = this;
this.callbacks.forEach(function (cb) {
return cb({
color: _this2.color,
prefersColor: _this2.prefersColor
});
});
}
/**
* listen color change
* @param cb callback
*/
}, {
key: "listen",
value: function listen(cb) {
this.callbacks.push(cb);
}
/**
* unlisten color change
* @param cb callback
*/
}, {
key: "unlisten",
value: function unlisten(cb) {
this.callbacks.splice(this.callbacks.indexOf(cb), 1);
}
/**
* set prefers color
*/
}, {
key: "tryPrefersColor",
value: function tryPrefersColor(color) {
if (navigator.cookieEnabled) {
localStorage.setItem(PREFERS_COLOR_LS_KEY, color);
}
this.prefersColor = color;
this.color = color === 'auto' ? this.isColorMode('dark') ? 'dark' : 'light' : color;
document.documentElement.setAttribute(PREFERS_COLOR_ATTR, this.color);
this.applyCallbacks();
return color;
}
}]);
return ColorChanger;
}();
/**
* hook for get/set prefers-color-schema, use to control color mode for theme package
* @see https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-color-scheme
*/
export var usePrefersColor = function usePrefersColor() {
var _useSiteData = useSiteData(),
themeConfig = _useSiteData.themeConfig;
var _useState = useState(),
_useState2 = _slicedToArray(_useState, 2),
color = _useState2[0],
setColor = _useState2[1];
var _useState3 = useState(),
_useState4 = _slicedToArray(_useState3, 2),
prefersColor = _useState4[0],
setPrefersColor = _useState4[1];
var tryPrefersColor = useCallback(function (val) {
colorChanger.tryPrefersColor(val);
}, []);
var colorChangeHandler = useCallback(function (args) {
setColor(args.color);
setPrefersColor(args.prefersColor);
}, []);
useEffect(function () {
var _colorChanger;
// lazy initialize, for SSR
(_colorChanger = colorChanger) !== null && _colorChanger !== void 0 ? _colorChanger : colorChanger = new ColorChanger({
default: themeConfig.prefersColor.default
});
colorChanger.listen(colorChangeHandler);
setColor(colorChanger.color);
setPrefersColor(colorChanger.prefersColor);
return function () {
return colorChanger.unlisten(colorChangeHandler);
};
}, []);
return [color, prefersColor, tryPrefersColor];
};