103 lines
3.3 KiB
JavaScript
103 lines
3.3 KiB
JavaScript
import { isPercent } from '../util/DataUtils';
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export var calculateChartDimensions = (containerWidth, containerHeight, props) => {
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var {
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width = '100%',
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height = '100%',
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aspect,
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maxHeight
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} = props;
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/*
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* The containerWidth and containerHeight are already percentage based because it's set as that percentage in CSS.
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* Means we don't have to calculate percentages here.
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*/
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var calculatedWidth = isPercent(width) ? containerWidth : Number(width);
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var calculatedHeight = isPercent(height) ? containerHeight : Number(height);
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if (aspect && aspect > 0) {
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// Preserve the desired aspect ratio
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if (calculatedWidth) {
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// Will default to using width for aspect ratio
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calculatedHeight = calculatedWidth / aspect;
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} else if (calculatedHeight) {
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// But we should also take height into consideration
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calculatedWidth = calculatedHeight * aspect;
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}
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// if maxHeight is set, overwrite if calculatedHeight is greater than maxHeight
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if (maxHeight && calculatedHeight != null && calculatedHeight > maxHeight) {
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calculatedHeight = maxHeight;
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}
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}
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return {
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calculatedWidth,
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calculatedHeight
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};
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};
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var bothOverflow = {
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width: 0,
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height: 0,
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overflow: 'visible'
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};
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var overflowX = {
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width: 0,
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overflowX: 'visible'
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};
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var overflowY = {
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height: 0,
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overflowY: 'visible'
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};
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var noStyle = {};
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/**
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* This zero-size, overflow-visible is required to allow the chart to shrink.
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* Without it, the chart itself will fill the ResponsiveContainer, and while it allows the chart to grow,
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* it would always keep the container at the size of the chart,
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* and ResizeObserver would never fire.
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* With this zero-size element, the chart itself never actually fills the container,
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* it just so happens that it is visible because it overflows.
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* I learned this trick from the `react-virtualized` library: https://github.com/bvaughn/react-virtualized-auto-sizer/blob/master/src/AutoSizer.ts
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* See https://github.com/recharts/recharts/issues/172 and also https://github.com/bvaughn/react-virtualized/issues/68
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*
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* Also, we don't need to apply the zero-size style if the dimension is a fixed number (or undefined),
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* because in that case the chart can't shrink in that dimension anyway.
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* This fixes defining the dimensions using aspect ratio: https://github.com/recharts/recharts/issues/6245
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*/
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export var getInnerDivStyle = props => {
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var {
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width,
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height
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} = props;
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var isWidthPercent = isPercent(width);
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var isHeightPercent = isPercent(height);
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if (isWidthPercent && isHeightPercent) {
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return bothOverflow;
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}
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if (isWidthPercent) {
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return overflowX;
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}
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if (isHeightPercent) {
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return overflowY;
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}
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return noStyle;
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};
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export function getDefaultWidthAndHeight(_ref) {
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var {
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width,
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height,
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aspect
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} = _ref;
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var calculatedWidth = width;
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var calculatedHeight = height;
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if (calculatedWidth === undefined && calculatedHeight === undefined) {
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calculatedWidth = '100%';
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calculatedHeight = '100%';
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} else if (calculatedWidth === undefined) {
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calculatedWidth = aspect && aspect > 0 ? undefined : '100%';
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} else if (calculatedHeight === undefined) {
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calculatedHeight = aspect && aspect > 0 ? undefined : '100%';
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}
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return {
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width: calculatedWidth,
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height: calculatedHeight
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};
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} |