File size: 1,740 Bytes
1e92f2d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | import cx from 'classnames';
export const createClassNames =
(block: string, prefix = 'ais') =>
(...elements: string[]) => {
const suitElements = elements
.filter((element) => element || element === '')
.map((element) => {
const baseClassName = `${prefix}-${block}`;
return element ? `${baseClassName}-${element}` : baseClassName;
});
return cx(suitElements);
};
export const isSpecialClick = (event: MouseEvent) => {
const isMiddleClick = event.button === 1;
return Boolean(
isMiddleClick ||
event.altKey ||
event.ctrlKey ||
event.metaKey ||
event.shiftKey
);
};
export const capitalize = (key: string) =>
key.length === 0 ? '' : `${key[0].toUpperCase()}${key.slice(1)}`;
type RangeOptions = {
start?: number;
end: number;
step?: number;
};
// taken from InstantSearch.js/utils
export function range({ start = 0, end, step = 1 }: RangeOptions): number[] {
// We can't divide by 0 so we re-assign the step to 1 if it happens.
const limitStep = step === 0 ? 1 : step;
// In some cases the array to create has a decimal length.
// We therefore need to round the value.
// Example:
// { start: 1, end: 5000, step: 500 }
// => Array length = (5000 - 1) / 500 = 9.998
const arrayLength = Math.round((end - start) / limitStep);
return [...Array(arrayLength)].map(
(_, current) => (start + current) * limitStep
);
}
export function find<TItem = any>(
array: TItem[],
comparator: (item: TItem) => boolean
): TItem | undefined {
if (!Array.isArray(array)) {
return undefined;
}
for (let i = 0; i < array.length; i++) {
if (comparator(array[i])) {
return array[i];
}
}
return undefined;
}
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