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this.theme : ORIGINAL_THEME\r\n if (typeof val !== 'string') return\r\n const themeCluster = this.getThemeCluster(val.replace('#', ''))\r\n const originalCluster = this.getThemeCluster(oldVal.replace('#', ''))\r\n\r\n const getHandler = (variable, id) => {\r\n return () => {\r\n const originalCluster = this.getThemeCluster(ORIGINAL_THEME.replace('#', ''))\r\n const newStyle = this.updateStyle(this[variable], originalCluster, themeCluster)\r\n\r\n let styleTag = document.getElementById(id)\r\n if (!styleTag) {\r\n styleTag = document.createElement('style')\r\n styleTag.setAttribute('id', id)\r\n document.head.appendChild(styleTag)\r\n }\r\n styleTag.innerText = newStyle\r\n }\r\n }\r\n\r\n if (!this.chalk) {\r\n const url = `https://unpkg.com/element-ui@${version}/lib/theme-chalk/index.css`\r\n await this.getCSSString(url, 'chalk')\r\n }\r\n\r\n const chalkHandler = getHandler('chalk', 'chalk-style')\r\n\r\n chalkHandler()\r\n\r\n const styles = [].slice.call(document.querySelectorAll('style'))\r\n .filter(style => {\r\n const text = style.innerText\r\n return new RegExp(oldVal, 'i').test(text) && !/Chalk Variables/.test(text)\r\n })\r\n styles.forEach(style => {\r\n const { innerText } = style\r\n if (typeof innerText !== 'string') return\r\n style.innerText = this.updateStyle(innerText, originalCluster, themeCluster)\r\n })\r\n\r\n this.$emit('change', val)\r\n },\r\n\r\n updateStyle(style, oldCluster, newCluster) {\r\n let newStyle = style\r\n oldCluster.forEach((color, index) => {\r\n newStyle = newStyle.replace(new RegExp(color, 'ig'), newCluster[index])\r\n })\r\n return newStyle\r\n },\r\n\r\n getCSSString(url, variable) {\r\n return new Promise(resolve => {\r\n const xhr = new XMLHttpRequest()\r\n xhr.onreadystatechange = () => {\r\n if (xhr.readyState === 4 && xhr.status === 200) {\r\n this[variable] = xhr.responseText.replace(/@font-face{[^}]+}/, '')\r\n resolve()\r\n }\r\n }\r\n xhr.open('GET', url)\r\n xhr.send()\r\n })\r\n },\r\n\r\n getThemeCluster(theme) {\r\n const tintColor = (color, tint) => {\r\n let red = parseInt(color.slice(0, 2), 16)\r\n let green = parseInt(color.slice(2, 4), 16)\r\n let blue = parseInt(color.slice(4, 6), 16)\r\n\r\n if (tint === 0) { // when primary color is in its rgb space\r\n return [red, green, blue].join(',')\r\n } else {\r\n red += Math.round(tint * (255 - red))\r\n green += Math.round(tint * (255 - green))\r\n blue += Math.round(tint * (255 - blue))\r\n\r\n red = red.toString(16)\r\n green = green.toString(16)\r\n blue = blue.toString(16)\r\n\r\n return `#${red}${green}${blue}`\r\n }\r\n }\r\n\r\n const shadeColor = (color, shade) => {\r\n let red = parseInt(color.slice(0, 2), 16)\r\n let green = parseInt(color.slice(2, 4), 16)\r\n let blue = parseInt(color.slice(4, 6), 16)\r\n\r\n red = Math.round((1 - shade) * red)\r\n green = Math.round((1 - shade) * green)\r\n blue = Math.round((1 - shade) * blue)\r\n\r\n red = red.toString(16)\r\n green = green.toString(16)\r\n blue = blue.toString(16)\r\n\r\n return `#${red}${green}${blue}`\r\n }\r\n\r\n const clusters = [theme]\r\n for (let i = 0; i <= 9; i++) {\r\n clusters.push(tintColor(theme, Number((i / 10).toFixed(2))))\r\n }\r\n clusters.push(shadeColor(theme, 0.1))\r\n return clusters\r\n }\r\n }\r\n}\r\n</script>\r\n\r\n<style>\r\n.theme-message,\r\n.theme-picker-dropdown {\r\n z-index: 99999 !important;\r\n}\r\n\r\n.theme-picker .el-color-picker__trigger {\r\n height: 26px !important;\r\n width: 26px !important;\r\n padding: 2px;\r\n}\r\n\r\n.theme-picker-dropdown .el-color-dropdown__link-btn {\r\n display: none;\r\n}\r\n</style>\r\n"]}]}
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