youxi-app/uni_modules/cool-ui/components/cl-icon/cl-icon.uvue

<template>
	<text
		class="cl-icon"
		:class="[
			isDark ? 'text-white' : 'text-surface-700',
			{
				'!text-primary-500': color == 'primary',
				'!text-green-500': color == 'success',
				'!text-yellow-500': color == 'warn',
				'!text-red-500': color == 'error',
				'!text-surface-500': color == 'info',
				'!text-surface-700': color == 'dark',
				'!text-surface-50': color == 'light',
				'!text-surface-300': color == 'disabled'
			},
			pt.className
		]"
		:style="iconStyle"
		:key="cache.key"
	>
		{{ icon.text }}
	</text>
</template>

<script setup lang="ts">
import { computed, type PropType } from "vue";
import { forInObject, get, has, parsePt, useCache, isDark } from "@/cool";
import { icons } from "@/icons";
import { useSize } from "../../hooks";

defineOptions({
	name: "cl-icon"
});

// 定义组件属性
const props = defineProps({
	// 透传样式
	pt: {
		type: Object,
		default: () => ({})
	},
	// 图标名称
	name: {
		type: String,
		default: ""
	},
	// 图标大小
	size: {
		type: [String, Number] as PropType<string | number>,
		default: 32
	},
	// 图标高度
	height: {
		type: [String, Number] as PropType<string | number>,
		default: null
	},
	// 图标宽度
	width: {
		type: [String, Number] as PropType<string | number>,
		default: null
	},
	// 图标颜色
	color: {
		type: String,
		default: ""
	}
});

// 缓存
const { cache } = useCache(() => [props.color]);

// 字号
const { getRpx } = useSize();

// 透传样式类型定义
type PassThrough = {
	className?: string;
};

// 解析透传样式
const pt = computed(() => parsePt<PassThrough>(props.pt));

// 图标类型定义
type Icon = {
	font: string; // 字体名称
	text: string; // 图标文本
};

// 图标信息
const icon = computed<Icon>(() => {
	let font = "";
	let text = "";

	try {
		let code = "";

		// 遍历字体库查找对应图标
		forInObject(icons, (value, key) => {
			if (has(value, props.name)) {
				font = key;
				code = get(value, props.name) as string;
			}
		});

		// Android平台特殊处理
		// #ifdef APP-ANDROID
		// @ts-ignore
		text = new String(Character.toChars(parseInt(code, 16).toInt()));
		// #endif

		// 其他平台处理
		// #ifndef APP-ANDROID
		text = String.fromCharCode(parseInt(code, 16));
		// #endif
	} catch (e) {
		console.error(`图标 ${props.name} 不存在`, e);
	}

	return {
		font,
		text
	};
});

// 图标样式
const iconStyle = computed(() => {
	const style = {};

	if (props.color != "") {
		style["color"] = props.color;
	}

	if (icon.value.font != "") {
		style["fontFamily"] = icon.value.font;
	}

	style["fontSize"] = getRpx(props.size!);
	style["height"] = getRpx(props.height ?? props.size!);
	style["width"] = getRpx(props.width ?? props.size!);
	style["lineHeight"] = getRpx(props.size!);

	return style;
});
</script>