@amaui/ui-react/esm/Masonry/Masonry.js

UI for React

import _extends from "@babel/runtime/helpers/extends";
import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
import _defineProperty from "@babel/runtime/helpers/defineProperty";
const _excluded = ["gap", "columns", "className", "style", "noMasonry", "NoMasonryProps", "children"];
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
import React from 'react';
import { is, unique } from '@amaui/utils';
import { classNames, style as styleMethod, useAmauiTheme } from '@amaui/style-react';
import LineElement from '../Line';
import useMediaQuery from '../useMediaQuery';
import { valueBreakpoints, staticClassName } from '../utils';
const useStyle = styleMethod(theme => ({
  root: {
    position: 'relative'
  }
}), {
  name: 'amaui-Masonry'
});
const Masonry = /*#__PURE__*/React.forwardRef((props_, ref) => {
  const theme = useAmauiTheme();
  const props = React.useMemo(() => _objectSpread(_objectSpread(_objectSpread({}, theme?.ui?.elements?.all?.props?.default), theme?.ui?.elements?.amauiMasonry?.props?.default), props_), [props_]);
  const Line = React.useMemo(() => theme?.elements?.Line || LineElement, [theme]);
  const {
      gap: gap_,
      columns: columns_,
      className,
      style,
      noMasonry,
      NoMasonryProps,
      children: children_
    } = props,
    other = _objectWithoutProperties(props, _excluded);
  const {
    classes
  } = useStyle();
  const [init, setInit] = React.useState(false);
  const refs = {
    root: React.useRef(undefined),
    gap: React.useRef(undefined),
    columns: React.useRef(undefined),
    init: React.useRef(undefined),
    useMasonry: React.useRef(undefined)
  };
  const keys = React.useMemo(() => {
    const result = [];
    const items = [gap_, columns_];
    items.forEach(item => {
      if (is('object', item)) Object.keys(item).filter(key => theme.breakpoints.media[key]).forEach(key => result.push(key));
    });
    return unique(result);
  }, [gap_, columns_]);
  const breakpoints = {};
  keys.forEach(key => {
    breakpoints[key] = useMediaQuery(theme.breakpoints.media[key], {
      element: refs.root.current
    });
  });
  refs.init.current = init;
  const styles = {
    root: {},
    item: {}
  };
  const gap = valueBreakpoints(gap_, 2, breakpoints, theme) || 0;
  const columns = valueBreakpoints(columns_, {
    400: 1,
    500: 2,
    700: 3,
    1100: 4,
    1400: 5,
    1700: 6,
    2000: 7,
    default: 4
  }, breakpoints, theme);
  refs.gap.current = gap;
  refs.columns.current = columns;
  const children = React.Children.toArray(children_);
  let useMasonry = true;
  if (columns === 1 || children.length < columns) useMasonry = false;
  if (noMasonry) useMasonry = false;
  refs.useMasonry.current = useMasonry;
  const update = () => {
    if (!refs.useMasonry.current) {
      if (refs.root.current) {
        refs.root.current.style.removeProperty('height');
      }
      return;
    }
    if (refs.root.current) {
      // Get all children
      const elements = Array.from(refs.root.current.children).slice(0, refs.columns.current > 1 ? -(refs.columns.current - 1) : undefined);
      const width = refs.columns.current === 1 ? '100%' : `calc(${100 / refs.columns.current}% - ${gap * theme.space.unit * (refs.columns.current - 1) / refs.columns.current}px)`;
      const columns__ = {};
      const order = {};
      for (let i = 1; i < refs.columns.current + 1; i++) columns__[i] = 0;

      // order them by adding to lowest available order value
      let lowestColumn = 1;
      let lowestValue = Number.MAX_SAFE_INTEGER;
      let highestValue = Number.MIN_SAFE_INTEGER;
      elements.forEach((element, index) => {
        // Width
        element.style.width = width;

        // Update lowest column
        lowestValue = Number.MAX_SAFE_INTEGER;
        Object.keys(columns__).forEach(column => {
          if (columns__[column] < lowestValue) {
            lowestColumn = +column;
            lowestValue = columns__[column];
          }
        });
        const addition = columns__[lowestColumn] === 0 ? 0 : refs.gap.current * theme.space.unit;
        columns__[lowestColumn] += element.clientHeight + addition;
        order[index] = lowestColumn;

        // Order
        element.style.order = String(lowestColumn);
      });

      // update height (biggest column height)
      Object.keys(columns__).forEach(column => {
        if (columns__[column] > highestValue) highestValue = columns__[column];
      });

      // Height
      const height = highestValue + gap * theme.space.unit;
      refs.root.current.style.height = `${height}px`;
      if (refs.init.current !== 'animated') setInit(true);
    }
  };
  const method = React.useCallback(update, []);
  React.useEffect(() => {
    setTimeout(update);
    const observer = new ResizeObserver(method);
    [refs.root.current, ...Array.from(refs.root.current.children)].forEach(item => observer.observe(item));
    return () => {
      // Clean up
      observer.disconnect();
    };
  }, []);
  React.useEffect(method, [children.length, gap, columns]);
  styles.item.margin = 0;
  styles.root.gap = 'unset';
  styles.root.rowGap = `${gap * theme.space.unit}px`;
  styles.root.columnGap = `${gap / 2 * theme.space.unit}px`;
  if (!init) {
    styles.root.position = 'fixed';
    styles.root.visibility = 'hidden';
  }
  if (!useMasonry) {
    styles.item.width = columns === 1 ? '100%' : `calc(${100 / columns}% - ${gap * theme.space.unit * (columns - 1) / columns}px)`;
    return /*#__PURE__*/React.createElement(Line, _extends({
      ref: item => {
        if (ref) {
          if (is('function', ref)) ref(item);else ref.current = item;
        }
        refs.root.current = item;
      },
      gap: gap,
      direction: "row",
      wrap: "wrap",
      fullWidth: true
    }, NoMasonryProps, {
      className: classNames([staticClassName('Masonry', theme) && ['amaui-Masonry-root', 'amaui-Masonry-noMasonry'], NoMasonryProps?.className, className, classes.root]),
      style: _objectSpread(_objectSpread({}, style), {}, {
        height: 'auto'
      }, NoMasonryProps?.style)
    }, other), children.map((item, index) => /*#__PURE__*/React.cloneElement(item, {
      key: index,
      style: _objectSpread(_objectSpread({}, styles.item), item.props.style)
    })));
  }
  return /*#__PURE__*/React.createElement(Line, _extends({
    ref: item => {
      if (ref) {
        if (is('function', ref)) ref(item);else ref.current = item;
      }
      refs.root.current = item;
    },
    gap: gap,
    wrap: "wrap",
    align: "unset",
    justify: "unset",
    direction: "column",
    fullWidth: true,
    className: classNames([staticClassName('Masonry', theme) && ['amaui-Masonry-root'], className, classes.root]),
    style: _objectSpread(_objectSpread({}, styles.root), style)
  }, other), React.Children.toArray(children).map((item, index) => /*#__PURE__*/React.cloneElement(item, {
    key: index,
    style: _objectSpread(_objectSpread({}, styles.item), item.props.style)
  })), columns > 1 && new Array(columns - 1).fill(true).map((item, index) => /*#__PURE__*/React.createElement("div", {
    key: index,
    className: classNames([staticClassName('Masonry', theme) && ['amaui-Masonry-line-break']]),
    style: {
      flex: '1 1 100%',
      order: index + 1
    }
  })));
});
Masonry.displayName = 'amaui-Masonry';
export default Masonry;