126 lines
2.4 KiB
JavaScript
126 lines
2.4 KiB
JavaScript
import { fillArray } from '../utils/helpers';
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import { DEFAULT_AXIS_CHART_TYPE, AXIS_DATASET_CHART_TYPES, DEFAULT_CHAR_WIDTH } from '../utils/constants';
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export function dataPrep(data, type) {
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data.labels = data.labels || [];
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let datasetLength = data.labels.length;
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// Datasets
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let datasets = data.datasets;
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let zeroArray = new Array(datasetLength).fill(0);
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if(!datasets) {
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// default
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datasets = [{
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values: zeroArray
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}];
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}
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datasets.map(d=> {
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// Set values
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if(!d.values) {
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d.values = zeroArray;
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} else {
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// Check for non values
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let vals = d.values;
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vals = vals.map(val => (!isNaN(val) ? val : 0));
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// Trim or extend
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if(vals.length > datasetLength) {
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vals = vals.slice(0, datasetLength);
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} else {
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vals = fillArray(vals, datasetLength - vals.length, 0);
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}
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}
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// Set labels
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//
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// Set type
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if(!d.chartType ) {
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if(!AXIS_DATASET_CHART_TYPES.includes(type)) type = DEFAULT_AXIS_CHART_TYPE;
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d.chartType = type;
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}
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});
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// Markers
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// Regions
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// data.yRegions = data.yRegions || [];
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if(data.yRegions) {
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data.yRegions.map(d => {
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if(d.end < d.start) {
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[d.start, d.end] = [d.end, d.start];
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}
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});
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}
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return data;
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}
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export function zeroDataPrep(realData) {
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let datasetLength = realData.labels.length;
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let zeroArray = new Array(datasetLength).fill(0);
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let zeroData = {
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labels: realData.labels.slice(0, -1),
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datasets: realData.datasets.map(d => {
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return {
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name: '',
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values: zeroArray.slice(0, -1),
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chartType: d.chartType
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};
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}),
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};
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if(realData.yMarkers) {
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zeroData.yMarkers = [
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{
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value: 0,
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label: ''
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}
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];
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}
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if(realData.yRegions) {
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zeroData.yRegions = [
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{
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start: 0,
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end: 0,
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label: ''
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}
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];
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}
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return zeroData;
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}
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export function getShortenedLabels(chartWidth, labels=[], isSeries=true) {
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let allowedSpace = chartWidth / labels.length;
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if(allowedSpace <= 0) allowedSpace = 1;
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let allowedLetters = allowedSpace / DEFAULT_CHAR_WIDTH;
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let calcLabels = labels.map((label, i) => {
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label += "";
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if(label.length > allowedLetters) {
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if(!isSeries) {
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if(allowedLetters-3 > 0) {
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label = label.slice(0, allowedLetters-3) + " ...";
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} else {
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label = label.slice(0, allowedLetters) + '..';
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}
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} else {
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let multiple = Math.ceil(label.length/allowedLetters);
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if(i % multiple !== 0) {
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label = "";
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}
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}
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}
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return label;
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});
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return calcLabels;
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}
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