ant-design-vue/components/tag/Tag.jsx

import { inject } from 'vue';
import CloseOutlined from '@ant-design/icons-vue/CloseOutlined';
import PropTypes from '../_util/vue-types';
import Wave from '../_util/wave';
import { hasProp, getOptionProps } from '../_util/props-util';
import BaseMixin from '../_util/BaseMixin';
import { ConfigConsumerProps } from '../config-provider';

const PresetColorTypes = [
  'pink',
  'red',
  'yellow',
  'orange',
  'cyan',
  'green',
  'blue',
  'purple',
  'geekblue',
  'magenta',
  'volcano',
  'gold',
  'lime',
];
const PresetColorRegex = new RegExp(`^(${PresetColorTypes.join('|')})(-inverse)?$`);

export default {
  name: 'ATag',
  mixins: [BaseMixin],
  props: {
    prefixCls: PropTypes.string,
    color: PropTypes.string,
    closable: PropTypes.bool.def(false),
    visible: PropTypes.bool,
    onClose: PropTypes.func,
    'onUpdate:visible': PropTypes.func,
  },
  setup() {
    return {
      configProvider: inject('configProvider', ConfigConsumerProps),
    };
  },
  data() {
    let _visible = true;
    const props = getOptionProps(this);
    if ('visible' in props) {
      _visible = this.visible;
    }
    return {
      _visible,
    };
  },
  watch: {
    visible(val) {
      this.setState({
        _visible: val,
      });
    },
  },
  methods: {
    setVisible(visible, e) {
      this.$emit('update:visible', false);
      this.$emit('close', e);
      if (e.defaultPrevented) {
        return;
      }
      if (!hasProp(this, 'visible')) {
        this.setState({ _visible: visible });
      }
    },

    handleIconClick(e) {
      e.stopPropagation();
      this.setVisible(false, e);
    },

    isPresetColor() {
      const { color } = this.$props;
      if (!color) {
        return false;
      }
      return PresetColorRegex.test(color);
    },
    getTagStyle() {
      const { color } = this.$props;
      const isPresetColor = this.isPresetColor();
      return {
        backgroundColor: color && !isPresetColor ? color : undefined,
      };
    },

    getTagClassName(prefixCls) {
      const { color } = this.$props;
      const isPresetColor = this.isPresetColor();
      return {
        [prefixCls]: true,
        [`${prefixCls}-${color}`]: isPresetColor,
        [`${prefixCls}-has-color`]: color && !isPresetColor,
      };
    },

    renderCloseIcon() {
      const { closable } = this.$props;
      return closable ? <CloseOutlined onClick={this.handleIconClick} /> : null;
    },
  },

  render() {
    const { prefixCls: customizePrefixCls } = this.$props;
    const isNeedWave = 'onClick' in this.$attrs;
    const getPrefixCls = this.configProvider.getPrefixCls;
    const prefixCls = getPrefixCls('tag', customizePrefixCls);
    const { _visible: visible } = this.$data;
    const tag = (
      <span v-show={visible} class={this.getTagClassName(prefixCls)} style={this.getTagStyle()}>
        {this.$slots.default && this.$slots.default()}
        {this.renderCloseIcon()}
      </span>
    );
    return isNeedWave ? <Wave>{tag}</Wave> : tag;
  },
};