93 lines
2.1 KiB
JavaScript
93 lines
2.1 KiB
JavaScript
import { getMaxMin } from './utils';
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import { statsFormatDay, statsFormatDayHour, statsFormatText, statsFormatMin } from './format';
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export function analyzeData(data) {
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const { title, labelFormatter, tooltipFormatter, isStacked, isPercentage, hasSecondYAxis, onZoom, minimapRange, hideCaption, zoomOutLabel } = data;
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const { datasets, labels } = prepareDatasets(data);
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const colors = {};
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let totalYMin = Infinity;
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let totalYMax = -Infinity;
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datasets.forEach(({ key, color, yMin, yMax }) => {
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colors[key] = color;
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if (yMin < totalYMin) {
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totalYMin = yMin;
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}
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if (yMax > totalYMax) {
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totalYMax = yMax;
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}
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});
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let xLabels;
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switch (labelFormatter) {
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case 'statsFormatDayHour':
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xLabels = statsFormatDayHour(labels);
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break;
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case 'statsFormat(\'day\')':
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xLabels = statsFormatDay(labels);
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break;
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case 'statsFormat(\'5min\')':
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xLabels = statsFormatMin(labels);
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break;
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default:
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xLabels = statsFormatText(labels);
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break;
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}
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const analyzed = {
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title,
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labelFormatter,
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tooltipFormatter,
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xLabels,
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datasets,
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isStacked,
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isPercentage,
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hasSecondYAxis,
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onZoom,
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isLines: data.type === 'line',
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isBars: data.type === 'bar',
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isSteps: data.type === 'step',
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isAreas: data.type === 'area',
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isPie: data.type === 'pie',
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yMin: totalYMin,
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yMax: totalYMax,
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colors,
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minimapRange,
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hideCaption,
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zoomOutLabel,
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};
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analyzed.shouldZoomToPie = !analyzed.onZoom && analyzed.isPercentage;
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analyzed.isZoomable = analyzed.onZoom || analyzed.shouldZoomToPie;
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return analyzed;
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}
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function prepareDatasets(data) {
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const { type, labels, datasets, hasSecondYAxis } = data;
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return {
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labels: cloneArray(labels),
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datasets: datasets.map(({ name, color, values }, i) => {
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const { min: yMin, max: yMax } = getMaxMin(values);
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return {
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type,
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key: `y${i}`,
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name,
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color,
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values: cloneArray(values),
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hasOwnYAxis: hasSecondYAxis && i === datasets.length - 1,
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yMin,
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yMax,
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};
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}),
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};
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}
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function cloneArray(array) {
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return array.slice(0);
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}
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