forked from recharts/recharts
/
TickUtils.ts
46 lines (39 loc) · 1.48 KB
/
TickUtils.ts
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import { getAngledRectangleWidth } from './CartesianUtils';
import { getEveryNthWithCondition } from './getEveryNthWithCondition';
import { Size, CartesianViewBox, CartesianTickItem } from './types';
export function getAngledTickWidth(contentSize: Size, unitSize: Size, angle: number) {
const size = { width: contentSize.width + unitSize.width, height: contentSize.height + unitSize.height };
return getAngledRectangleWidth(size, angle);
}
export function getTickBoundaries(viewBox: CartesianViewBox, sign: number, sizeKey: string) {
const isWidth = sizeKey === 'width';
const { x, y, width, height } = viewBox;
if (sign === 1) {
return {
start: isWidth ? x : y,
end: isWidth ? x + width : y + height,
};
}
return {
start: isWidth ? x + width : y + height,
end: isWidth ? x : y,
};
}
export function isVisible(
sign: number,
tickPosition: number,
getSize: () => number,
start: number,
end: number,
): boolean {
/* Since getSize() is expensive (it reads the ticks' size from the DOM), we do this check first to avoid calculating
* the tick's size. */
if (sign * tickPosition < sign * start || sign * tickPosition > sign * end) {
return false;
}
const size = getSize();
return sign * (tickPosition - (sign * size) / 2 - start) >= 0 && sign * (tickPosition + (sign * size) / 2 - end) <= 0;
}
export function getNumberIntervalTicks(ticks: CartesianTickItem[], interval: number) {
return getEveryNthWithCondition(ticks, interval + 1);
}