keksAccountGUI/node_modulesOLD/vuetify/lib/components/VGrid/VRow.js

import "../../../src/components/VGrid/VGrid.sass";
import Vue from 'vue';
import mergeData from '../../util/mergeData';
import { upperFirst } from '../../util/helpers'; // no xs

const breakpoints = ['sm', 'md', 'lg', 'xl'];
const ALIGNMENT = ['start', 'end', 'center'];

function makeProps(prefix, def) {
  return breakpoints.reduce((props, val) => {
    props[prefix + upperFirst(val)] = def();
    return props;
  }, {});
}

const alignValidator = str => [...ALIGNMENT, 'baseline', 'stretch'].includes(str);

const alignProps = makeProps('align', () => ({
  type: String,
  default: null,
  validator: alignValidator
}));

const justifyValidator = str => [...ALIGNMENT, 'space-between', 'space-around'].includes(str);

const justifyProps = makeProps('justify', () => ({
  type: String,
  default: null,
  validator: justifyValidator
}));

const alignContentValidator = str => [...ALIGNMENT, 'space-between', 'space-around', 'stretch'].includes(str);

const alignContentProps = makeProps('alignContent', () => ({
  type: String,
  default: null,
  validator: alignContentValidator
}));
const propMap = {
  align: Object.keys(alignProps),
  justify: Object.keys(justifyProps),
  alignContent: Object.keys(alignContentProps)
};
const classMap = {
  align: 'align',
  justify: 'justify',
  alignContent: 'align-content'
};

function breakpointClass(type, prop, val) {
  let className = classMap[type];

  if (val == null) {
    return undefined;
  }

  if (prop) {
    // alignSm -> Sm
    const breakpoint = prop.replace(type, '');
    className += `-${breakpoint}`;
  } // .align-items-sm-center


  className += `-${val}`;
  return className.toLowerCase();
}

const cache = new Map();
export default Vue.extend({
  name: 'v-row',
  functional: true,
  props: {
    tag: {
      type: String,
      default: 'div'
    },
    dense: Boolean,
    noGutters: Boolean,
    align: {
      type: String,
      default: null,
      validator: alignValidator
    },
    ...alignProps,
    justify: {
      type: String,
      default: null,
      validator: justifyValidator
    },
    ...justifyProps,
    alignContent: {
      type: String,
      default: null,
      validator: alignContentValidator
    },
    ...alignContentProps
  },

  render(h, {
    props,
    data,
    children
  }) {
    // Super-fast memoization based on props, 5x faster than JSON.stringify
    let cacheKey = '';

    for (const prop in props) {
      cacheKey += String(props[prop]);
    }

    let classList = cache.get(cacheKey);

    if (!classList) {
      classList = []; // Loop through `align`, `justify`, `alignContent` breakpoint props

      let type;

      for (type in propMap) {
        propMap[type].forEach(prop => {
          const value = props[prop];
          const className = breakpointClass(type, prop, value);
          if (className) classList.push(className);
        });
      }

      classList.push({
        'no-gutters': props.noGutters,
        'row--dense': props.dense,
        [`align-${props.align}`]: props.align,
        [`justify-${props.justify}`]: props.justify,
        [`align-content-${props.alignContent}`]: props.alignContent
      });
      cache.set(cacheKey, classList);
    }

    return h(props.tag, mergeData(data, {
      staticClass: 'row',
      class: classList
    }), children);
  }

});
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