@dotconnor/grommet
Version:
focus on the essential experience
99 lines (89 loc) • 2.5 kB
JavaScript
import React from 'react';
import { Box, CheckBox, Grommet, Select } from 'grommet';
import { grommet } from 'grommet/themes';
var dummyOptions = Array(2000).fill().map(function (_, i) {
return "option " + i;
}).sort(function (a, b) {
return a.localeCompare(b, undefined, {
numeric: true,
sensitivity: 'base'
});
});
var Option = function Option(_ref) {
var value = _ref.value,
selected = _ref.selected;
return /*#__PURE__*/React.createElement(Box, {
direction: "row",
gap: "small",
align: "center",
pad: "xsmall"
}, /*#__PURE__*/React.createElement(CheckBox, {
tabIndex: "-1",
checked: selected,
onChange: function onChange() {}
}), value);
};
export var LazyLoadingOptions = function LazyLoadingOptions() {
var _React$useState = React.useState([]),
selected = _React$useState[0],
setSelected = _React$useState[1];
var _React$useState2 = React.useState(dummyOptions.slice(0, 200)),
options = _React$useState2[0],
setOptions = _React$useState2[1];
var onMore = function onMore() {
setTimeout(function () {
setOptions(dummyOptions.slice(0, options.length + 200));
}, 1000);
};
var onClose = function onClose() {
setOptions(options.sort(function (p1, p2) {
var p1Exists = selected.includes(p1);
var p2Exists = selected.includes(p2);
if (!p1Exists && p2Exists) {
return 1;
}
if (p1Exists && !p2Exists) {
return -1;
}
return p1.localeCompare(p2, undefined, {
numeric: true,
sensitivity: 'base'
});
}));
};
var onChange = function onChange(_ref2) {
var nextSelected = _ref2.selected;
return setSelected(nextSelected);
};
return /*#__PURE__*/React.createElement(Grommet, {
theme: grommet
}, /*#__PURE__*/React.createElement(Box, {
fill: true,
align: "center",
justify: "start",
pad: "large"
}, /*#__PURE__*/React.createElement(Select, {
multiple: true,
closeOnChange: false,
placeholder: "select an option...",
selected: selected,
options: options,
dropHeight: "medium",
onMore: onMore,
onClose: onClose,
onChange: onChange
}, function (option, index) {
return /*#__PURE__*/React.createElement(Option, {
value: option,
selected: selected.indexOf(index) !== -1
});
})));
};
LazyLoadingOptions.story = {
name: 'Lazy loading options',
parameters: {
chromatic: {
disable: true
}
}
};