From e98997995f7998c8d817378327b2c8c08db124b7 Mon Sep 17 00:00:00 2001
From: glitch4347 <glitch4347@pop-os.localdomain>
Date: Mon, 4 Dec 2023 14:38:48 +0100
Subject: [PATCH] add react component and build for that

---
 build/webpack.base.conf.js |   9 ++-
 react/ChartwerkLinePod.tsx | 127 +++++++++++++++++++++++++++++++++++++
 tsconfig.json              |   6 +-
 3 files changed, 139 insertions(+), 3 deletions(-)
 create mode 100644 react/ChartwerkLinePod.tsx

diff --git a/build/webpack.base.conf.js b/build/webpack.base.conf.js
index 97b8a60..305a3d5 100755
--- a/build/webpack.base.conf.js
+++ b/build/webpack.base.conf.js
@@ -1,4 +1,5 @@
 const path = require('path');
+const CopyPlugin = require("copy-webpack-plugin");
 
 
 function resolve(dir) {
@@ -8,7 +9,13 @@ function resolve(dir) {
 module.exports = {
   context: resolve('src'),
   entry: './index.ts',
-  plugins: [],
+  plugins: [
+    new CopyPlugin({
+      patterns: [
+        { from: "../react", to: "react" },
+      ],
+    })
+  ],
   module: {
     rules: [
       {
diff --git a/react/ChartwerkLinePod.tsx b/react/ChartwerkLinePod.tsx
new file mode 100644
index 0000000..7c45717
--- /dev/null
+++ b/react/ChartwerkLinePod.tsx
@@ -0,0 +1,127 @@
+import type { LineTimeSerie, LineOptions } from '@chartwerk/line-pod';
+import { LinePod } from '@chartwerk/line-pod';
+
+// import { AxisRange } from '@chartwerk/core/dist/types';
+
+import { useEffect, useRef, useState, PropsWithChildren, forwardRef } from 'react';
+
+import * as _ from 'lodash';
+
+export type AxisRange = [number, number] | undefined;
+export type ChartwerkLinePodProps = {
+  id: string;
+  series: LineTimeSerie[];
+  options: LineOptions;
+  className?: string;
+  // TODO: callback types should be exported from chartwerk
+  onZoomIn?: (ranges: AxisRange[]) => void;
+  onZoomOut?: (centers: { x: number, y: number }) => void;
+  onMouseMove?: (event: any) => void;
+  onMouseOut?: () => void;
+  onLegendClick?: (idx: number) => void,
+  onPanning?: (event: { ranges: AxisRange[], d3Event: any }) => void;
+  onPanningEnd?: (ranges: AxisRange[]) => void;
+  onContextMenu?: (evt: any) => void;
+  onSharedCrosshairMove?: (evt: any) => void;
+  onRenderStart?: () => void,
+  onRenderEnd?: () => void,
+}
+
+export const ChartwerkLinePod = forwardRef<HTMLDivElement, PropsWithChildren<ChartwerkLinePodProps>>((props, ref) => {
+  const [pod, setPod] = useState<LinePod | null>(null);
+  const [hack, setHack] = useState<number | null>(null);
+
+  const chartRef = useRef(null);
+  const chart = chartRef.current;
+
+  useEffect(() => {
+    // this function will be called on component unmount
+    return () => {
+      if (pod === null) {
+        return;
+      }
+
+      console.log('remove chart');
+
+      // @ts-ignore
+      pod.removeEventListeners();
+    }
+  }, []);
+
+  useEffect(() => {
+    if (chart === null) {
+      return;
+    }
+
+    let eventsCallbacks = _.cloneDeep(props.options.eventsCallbacks || {});
+    if (props.onZoomIn) {
+      eventsCallbacks.zoomIn = props.onZoomIn;
+    }
+    if (props.onZoomOut) {
+      eventsCallbacks.zoomOut = props.onZoomOut;
+    }
+    if (props.onMouseMove) {
+      eventsCallbacks.mouseMove = props.onMouseMove;
+    }
+    if (props.onMouseOut) {
+      eventsCallbacks.mouseOut = props.onMouseOut;
+    }
+    if (props.onLegendClick) {
+      eventsCallbacks.onLegendClick = props.onLegendClick;
+    }
+    if (props.onPanning) {
+      eventsCallbacks.panning = props.onPanning;
+    }
+    if (props.onPanningEnd) {
+      eventsCallbacks.panningEnd = props.onPanningEnd;
+    }
+    if (props.onContextMenu) {
+      eventsCallbacks.contextMenu = props.onContextMenu;
+    }
+    if (props.onSharedCrosshairMove) {
+      eventsCallbacks.sharedCrosshairMove = props.onSharedCrosshairMove;
+    }
+    if (props.onRenderStart) {
+      eventsCallbacks.renderStart = props.onRenderStart;
+    }
+
+    if (pod === null) {
+      console.log('create chart');
+
+      const newPod = new LinePod(
+        // @ts-ignore
+        chart,
+        props.series,
+        {
+          ...props.options,
+          eventsCallbacks,
+        }
+      );
+      setPod(
+        newPod
+      );
+      console.log('initial chart render');
+      newPod.render();
+    } else {
+      console.log('update chart');
+      pod.updateData(props.series, {
+        ...props.options,
+        eventsCallbacks,
+      });
+    }
+  }, [chart, pod, props.id, props.series, props.options]);
+
+  // TODO: it's a hack to render the LinePod right after the div appears in DOM
+  setTimeout(() => {
+    if (hack === null) {
+      setHack(1);
+    }
+  }, 1);
+
+  return (
+    <div ref={ref}>
+      <div id={props.id} className={props.className} ref={chartRef}></div>
+      {props.children}
+    </div>
+  );
+});
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
index 2c5e342..5ab8bf9 100755
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -17,6 +17,8 @@
     "noImplicitUseStrict": false,
     "noImplicitAny": false,
     "noUnusedLocals": false,
-    "baseUrl": "./src"
-  }
+    "baseUrl": "./src",
+  },
+  "include": ["src/**/*"],
+  "exclude": ["*.tsx"]
 }