https://b72zhou-line-graph-v2-csc-class-profile-staging-snedadah.k8s.csclub.cloud/ Co-authored-by: Rebecca-Chou <beihaozhou@gmail.com> Reviewed-on: #47 Reviewed-by: Amy Wang <a258wang@csclub.uwaterloo.ca>
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@ -17,8 +17,7 @@ module.exports = {
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],
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plugins: ["@typescript-eslint", "react", "react-hooks", "prettier"],
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rules: {
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"prettier/prettier": "error",
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"prettier/prettier": ["error", { "endOfLine": "auto" }],
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"import/first": "error",
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"import/order": [
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"error",
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@ -0,0 +1,35 @@
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.tickLabel {
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font-family: "Inconsolata", monospace;
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font-weight: 800;
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fill: var(--label);
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}
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.line:hover {
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filter: drop-shadow(0 0 calc(4rem / 16) var(--primary-accent));
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}
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.tooltip {
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font-family: "Inconsolata", monospace;
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font-weight: bold;
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top: 0;
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left: 0;
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position: absolute;
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background-color: var(--label);
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color: var(--primary-background);
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box-shadow: 0px calc(1rem / 16) calc(2rem / 16) var(--card-background);
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pointer-events: none;
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padding: calc(10rem / 16);
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font-size: calc(18rem / 16);
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border-radius: calc(10rem / 16);
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}
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.wrapper {
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display: flex;
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align-items: center;
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width: min-content;
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}
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.legend {
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display: flex;
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margin: calc(16rem / 8);
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}
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@ -0,0 +1,309 @@
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import { AxisBottom, AxisLeft } from "@visx/axis";
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import { bottomTickLabelProps } from "@visx/axis/lib/axis/AxisBottom";
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import { leftTickLabelProps } from "@visx/axis/lib/axis/AxisLeft";
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import { localPoint } from "@visx/event";
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import { GridColumns, GridRows } from "@visx/grid";
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import { Group } from "@visx/group";
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import { LegendOrdinal } from "@visx/legend";
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import { Point } from "@visx/point";
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import { scaleBand, scaleLinear, scaleOrdinal } from "@visx/scale";
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import { LinePath } from "@visx/shape";
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import { useTooltip, useTooltipInPortal } from "@visx/tooltip";
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import React from "react";
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import { Color } from "utils/Color";
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import styles from "./LineGraph.module.css";
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interface LineData {
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label: string;
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yValues: number[];
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}
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interface PointData {
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x: string;
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y: number;
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}
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interface LineGraphData {
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xValues: string[];
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lines: LineData[];
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}
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interface LegendProps {
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/** Position of the legend, relative to the graph. */
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position?: "top" | "right";
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/** Font size of the labels in the legend, in pixels. Default is 16px. */
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itemLabelSize?: number;
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/** Gap between items in the legend, in pixels. */
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itemGap?: number;
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/** Distance between the legend and other adjacent elements, in pixels. */
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margin?: {
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top?: number;
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bottom?: number;
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left?: number;
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right?: number;
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};
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}
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interface LineGraphProps {
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data: LineGraphData;
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/** Width of the entire graph, in pixels. */
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width: number;
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/** Height of the entire graph, in pixels. */
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height: number;
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/** Distance between the edge of the graph and the area where the bars are drawn, in pixels. */
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margin: {
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top: number;
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bottom: number;
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left: number;
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right: number;
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};
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className?: string;
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/** Font size of the category tick labels, in pixels. Default is 16px. */
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xTickLabelSize?: number;
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/** Font size of the value tick labels, in pixels. Default is 16px. */
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yTickLabelSize?: number;
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/** Font size of the value that appears when hovering over a bar, in pixels. */
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hoverLabelSize?: number;
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/** Label text for the category axis. */
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xAxisLabel?: string;
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/** Font size of the label for the cateogry axis, in pixels. */
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xAxisLabelSize?: number;
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/** Controls the distance between the category axis label and the category axis. */
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xAxisLabelOffset?: number;
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/** Label text for the value axis. */
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yAxisLabel?: string;
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/** Font size of the label for the value axis, in pixels. */
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yAxisLabelSize?: number;
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/** Controls the distance between the value axis label and the value axis. */
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yAxisLabelOffset?: number;
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legendProps?: LegendProps;
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}
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const DEFAULT_LABEL_SIZE = 16;
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const DEFAULT_LEGEND_GAP = 16;
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export function LineGraph(props: LineGraphProps) {
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const {
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width,
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height,
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margin,
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data,
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className,
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xTickLabelSize = DEFAULT_LABEL_SIZE,
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yTickLabelSize = DEFAULT_LABEL_SIZE,
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hoverLabelSize,
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xAxisLabel,
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xAxisLabelSize = DEFAULT_LABEL_SIZE,
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xAxisLabelOffset = 0,
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yAxisLabel,
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yAxisLabelSize = DEFAULT_LABEL_SIZE,
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yAxisLabelOffset = 0,
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legendProps,
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} = props;
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const {
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position: legendPosition = "right",
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itemLabelSize: legendLabelSize = DEFAULT_LABEL_SIZE,
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itemGap: legendItemGap = DEFAULT_LEGEND_GAP,
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margin: legendMargin = {},
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} = legendProps ?? {};
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const xLength = data.xValues.length;
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data.lines.forEach((line) => {
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if (line.yValues.length != xLength) {
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throw new Error("Invalid data with wrong length.");
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}
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});
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const {
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tooltipData,
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tooltipLeft,
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tooltipTop,
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tooltipOpen,
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showTooltip,
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hideTooltip,
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} = useTooltip();
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const { containerRef, TooltipInPortal } = useTooltipInPortal({
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// use TooltipWithBounds
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detectBounds: true,
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// when tooltip containers are scrolled, this will correctly update the Tooltip position
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scroll: true,
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});
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const yMax = height - margin.top - margin.bottom;
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const xMax = width - margin.left - margin.right;
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const actualData = data.lines.map((line) => {
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return line.yValues.map((val, idx) => {
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return { x: data.xValues[idx], y: val };
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});
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});
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const yMaxValue = Math.max(
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...data.lines.map((line) => {
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return Math.max(...line.yValues);
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})
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);
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// data accessors
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const getX = (d: PointData) => d.x;
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const getY = (d: PointData) => d.y;
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// scales
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const xScale = scaleBand({
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range: [0, xMax],
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domain: data.xValues,
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});
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const yScale = scaleLinear<number>({
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range: [0, yMax],
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nice: true,
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domain: [yMaxValue, 0],
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});
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const keys = data.lines.map((line) => line.label);
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const legendScale = scaleOrdinal<string, string>({
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domain: keys,
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range: [Color.primaryAccent, Color.secondaryAccent],
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});
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return (
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<div
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className={className ? `${className} ${styles.wrapper}` : styles.wrapper}
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style={{
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flexDirection: legendPosition === "right" ? "row" : "column-reverse",
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}}
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>
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<svg ref={containerRef} width={width} height={height}>
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<Group top={margin.top} left={margin.left}>
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<GridColumns
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scale={xScale}
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height={yMax}
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left={margin.left}
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numTicks={5}
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stroke={Color.tertiaryBackground}
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strokeWidth={4}
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strokeDasharray="10"
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strokeLinecap="round"
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/>
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<GridRows
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scale={yScale}
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width={xMax}
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left={margin.left * 2.3}
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numTicks={data.xValues.length}
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stroke={Color.tertiaryBackground}
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strokeWidth={4}
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strokeDasharray="10"
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strokeLinecap="round"
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/>
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<AxisBottom
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scale={xScale}
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top={margin.top + yMax}
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left={margin.left}
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hideAxisLine
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hideTicks
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tickLabelProps={() => {
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return {
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...bottomTickLabelProps(),
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className: styles.tickLabel,
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dy: "-0.25rem",
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fontSize: `${xTickLabelSize / 16}rem`,
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width: xScale.bandwidth(),
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};
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}}
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/>
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<AxisLeft
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scale={yScale}
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left={margin.left}
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hideAxisLine
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hideTicks
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numTicks={5}
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tickLabelProps={() => {
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return {
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...leftTickLabelProps(),
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className: styles.tickLabel,
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dx: "1.25rem",
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dy: "0.25rem",
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fontSize: `${yTickLabelSize / 16}rem`,
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};
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}}
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/>
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<Group left={margin.left + xMax / (data.xValues.length * 2)}>
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{actualData.map((lineData, i) => {
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const isEven = i % 2 === 0;
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return (
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<Group key={`line-${i}`}>
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<LinePath
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onMouseMove={(e) => {
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const eventSvgCoords = localPoint(
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// ownerSVGElement is given by visx docs but not recognized by typescript
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// eslint-disable-next-line @typescript-eslint/ban-ts-comment
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// @ts-ignore
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e.target.ownerSVGElement as Element,
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e
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) as Point;
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showTooltip({
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tooltipData: data.lines[i].label,
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tooltipTop: eventSvgCoords.y,
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tooltipLeft: eventSvgCoords.x,
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});
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}}
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onMouseOut={hideTooltip}
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data={lineData}
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className={styles.line}
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// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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x={(d) => xScale(getX(d))!}
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// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
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y={(d) => yScale(getY(d))!}
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stroke={
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isEven ? Color.primaryAccent : Color.secondaryAccent
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}
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strokeWidth={4}
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strokeOpacity={2}
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/>
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</Group>
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);
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})}
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</Group>
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</Group>
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</svg>
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<LegendOrdinal
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className={styles.legend}
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style={{
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marginTop: legendMargin.top,
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marginRight: legendMargin.right,
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marginBottom: legendMargin.bottom,
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marginLeft: legendMargin.left,
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fontSize: legendLabelSize,
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}}
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scale={legendScale}
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direction={legendPosition === "right" ? "column" : "row"}
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itemMargin={
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legendPosition === "right"
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? `calc(${legendItemGap / 2}rem / 16) 0 calc(${
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legendItemGap / 2
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}rem / 16) 0`
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: `0 calc(${legendItemGap / 2}rem / 16) 0 calc(${
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legendItemGap / 2
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}rem / 16)`
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}
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/>
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{tooltipOpen && (
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<TooltipInPortal
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top={tooltipTop}
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left={tooltipLeft}
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className={styles.tooltip}
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unstyled
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applyPositionStyle
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>
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<>{tooltipData}</>
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</TooltipInPortal>
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)}
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</div>
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);
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}
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@ -119,6 +119,20 @@ export const mockStackedBarKeys = [
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"geese catchers",
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];
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export const mockLineData = {
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xValues: ["1A", "1B", "2A", "2B", "3A", "3B"],
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lines: [
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{
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label: "Java",
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yValues: [54, 88, 22, 66, 77, 88],
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},
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{
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label: "C++",
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yValues: [45, 22, 83, 98, 24, 33],
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},
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],
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};
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export const mockTimelineData = [
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{
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time: "Fall 2020",
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File diff suppressed because it is too large
Load Diff
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@ -6,6 +6,7 @@ import {
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mockStackedBarKeys,
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mockStackedBarGraphData,
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mockBoxPlotData,
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mockLineData,
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mockQuoteData,
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mockQuoteDataLong,
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mockPieData,
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@ -32,6 +33,7 @@ import { Timeline } from "@/components/Timeline";
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import { CenterWrapper } from "../components/CenterWrapper";
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import { ColorPalette } from "../components/ColorPalette";
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import { LineGraph } from "../components/LineGraph";
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import { WordCloud } from "../components/WordCloud";
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import styles from "./playground.module.css";
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@ -186,6 +188,22 @@ export default function Home() {
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</p>
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</CenterWrapper>
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<h2>
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<code>{"<LineGraph />"}</code>
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</h2>
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<LineGraph
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// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
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data={mockLineData}
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width={600}
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height={400}
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margin={{
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top: 20,
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bottom: 80,
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left: 30,
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right: 20,
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}}
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/>
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<h2>
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<code>{"<Sections />"}</code>
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</h2>
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