1 files changed, 67 insertions, 0 deletions
diff --git a/src/client/views/nodes/DataVizBox/utils/D3Utils.ts b/src/client/views/nodes/DataVizBox/utils/D3Utils.ts
new file mode 100644
index 000000000..e1ff6f8eb
--- /dev/null
+++ b/src/client/views/nodes/DataVizBox/utils/D3Utils.ts
@@ -0,0 +1,67 @@
+import * as d3 from 'd3';
+import { DataPoint } from '../components/LineChart';
+
+// TODO: nda - implement function that can handle range for strings
+
+export const minMaxRange = (dataPts: DataPoint[][]) => {
+    // find the max and min of all the data points
+    const yMin = d3.min(dataPts, d => d3.min(d, d => Number(d.y)));
+    const yMax = d3.max(dataPts, d => d3.max(d, d => Number(d.y)));
+
+    const xMin = d3.min(dataPts, d => d3.min(d, d => Number(d.x)));
+    const xMax = d3.max(dataPts, d => d3.max(d, d => Number(d.x)));
+
+    return { xMin, xMax, yMin, yMax };
+};
+
+export const scaleCreatorCategorical = (labels: string[], range: number[]) => {
+    const scale = d3.scaleBand().domain(labels).range(range);
+
+    return scale;
+};
+
+export const scaleCreatorNumerical = (domA: number, domB: number, rangeA: number, rangeB: number) => {
+    return d3.scaleLinear().domain([domA, domB]).range([rangeA, rangeB]);
+};
+
+export const createLineGenerator = (xScale: d3.ScaleLinear<number, number, never>, yScale: d3.ScaleLinear<number, number, never>) => {
+    // TODO: nda - look into the different types of curves
+    return d3
+        .line<DataPoint>()
+        .x(d => xScale(d.x))
+        .y(d => yScale(d.y))
+        .curve(d3.curveMonotoneX);
+};
+
+export const xAxisCreator = (g: d3.Selection<SVGGElement, unknown, null, undefined>, height: number, xScale: d3.ScaleLinear<number, number, never>) => {
+    console.log('x axis creator being called');
+    g.attr('class', 'x-axis').attr('transform', `translate(0,${height})`).call(d3.axisBottom(xScale).tickSize(15));
+};
+
+export const yAxisCreator = (g: d3.Selection<SVGGElement, unknown, null, undefined>, marginLeft: number, yScale: d3.ScaleLinear<number, number, never>) => {
+    g.attr('class', 'y-axis').call(d3.axisLeft(yScale));
+};
+
+export const xGrid = (g: d3.Selection<SVGGElement, unknown, null, undefined>, height: number, scale: d3.ScaleLinear<number, number, never>) => {
+    g.attr('class', 'xGrid')
+        .attr('transform', `translate(0,${height})`)
+        .call(
+            d3
+                .axisBottom(scale)
+                .tickSize(-height)
+                .tickFormat((a, b) => '')
+        );
+};
+
+export const yGrid = (g: d3.Selection<SVGGElement, unknown, null, undefined>, width: number, scale: d3.ScaleLinear<number, number, never>) => {
+    g.attr('class', 'yGrid').call(
+        d3
+            .axisLeft(scale)
+            .tickSize(-width)
+            .tickFormat((a, b) => '')
+    );
+};
+
+export const drawLine = (p: d3.Selection<SVGPathElement, unknown, null, undefined>, dataPts: DataPoint[], lineGen: d3.Line<DataPoint>) => {
+    p.datum(dataPts).attr('fill', 'none').attr('stroke', 'rgba(53, 162, 235, 0.5)').attr('stroke-width', 2).attr('class', 'line').attr('d', lineGen);
+};