21 lines
830 B
JavaScript
21 lines
830 B
JavaScript
import { scaleTime } from '@mui/x-charts-vendor/d3-scale';
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/**
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* Checks if the provided data array contains Date objects.
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* @param data The data array to check.
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* @returns A type predicate indicating if the data is an array of Date objects.
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*/
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export const isDateData = data => data?.[0] instanceof Date;
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/**
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* Creates a formatter function for date values.
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* @param data The data array containing Date or NumberValue objects.
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* @param range The range for the time scale.
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* @param tickNumber (Optional) The number of ticks for formatting.
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* @returns A formatter function for date values.
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*/
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export function createDateFormatter(data, range, tickNumber) {
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const timeScale = scaleTime(data, range);
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return (v, {
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location
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}) => location === 'tick' ? timeScale.tickFormat(tickNumber)(v) : `${v.toLocaleString()}`;
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} |