Develop (#35)

* refactor(ts): add ReactFlowProps

* Refactor/grid.tsx (#24)

* chore(deps-dev): bump start-server-and-test from 1.10.4 to 1.10.5

Bumps [start-server-and-test](https://github.com/bahmutov/start-server-and-test) from 1.10.4 to 1.10.5.
- [Release notes](https://github.com/bahmutov/start-server-and-test/releases)
- [Commits](https://github.com/bahmutov/start-server-and-test/compare/v1.10.4...v1.10.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* chore(deps-dev): bump typescript from 3.6.3 to 3.6.4

Bumps [typescript](https://github.com/Microsoft/TypeScript) from 3.6.3 to 3.6.4.
- [Release notes](https://github.com/Microsoft/TypeScript/releases)
- [Commits](https://github.com/Microsoft/TypeScript/compare/v3.6.3...v3.6.4)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* refactor: grid.js -> grid.tsx

* refactor(bg): remove unused renderer

* refactor(connectionline): use ts

* refactor(ts): edges

* chore(build): update

* Refactor/typescript (WIP) (#25)

* refactor(store): use ts

* refactor(edgewrapper): use ts

* fix(handle): provide onConnect default func

* refactor(nodeselection): use ts

* refactor(userselction): use ts

* refactor(plugins): use ts

* refactor(hooks): use ts

* refactor(nodes): use ts

* refactor(edgerenderer): use ts

* refactor(graphview): use ts

* refactor(utils): rename js to ts

* refactor(app): fix ts errors

* fix(ts): errors

* fix(app): ts errors

* refactor(app): ts erros

* refactor(app): ts errors

* fix(utils): removeElements

* feat(example): add empty renderer closes #34

* fix(connect): dont drag node on connect

* chore(build): update

src/components/Edges/BezierEdge.tsx

@@ -0,0 +1,29 @@
+import React, { memo } from 'react';
+
+import { EdgeBezierProps } from '../../types';
+
+export default memo(({
+  sourceX, sourceY, targetX, targetY,
+  sourcePosition = 'bottom', targetPosition = 'top', style = {}
+}: EdgeBezierProps) => {
+  const yOffset = Math.abs(targetY - sourceY) / 2;
+  const centerY = targetY < sourceY ? targetY + yOffset : targetY - yOffset;
+
+  let dAttr = `M${sourceX},${sourceY} C${sourceX},${centerY} ${targetX},${centerY} ${targetX},${targetY}`;
+
+  if (['left', 'right'].includes(sourcePosition) && ['left', 'right'].includes(targetPosition)) {
+    const xOffset = Math.abs(targetX - sourceX) / 2;
+    const centerX = targetX < sourceX ? targetX + xOffset : targetX - xOffset;
+
+    dAttr = `M${sourceX},${sourceY} C${centerX},${sourceY} ${centerX},${targetY} ${targetX},${targetY}`;
+  } else if (['left', 'right'].includes(sourcePosition) || ['left', 'right'].includes(targetPosition)) {
+    dAttr = `M${sourceX},${sourceY} C${sourceX},${targetY} ${sourceX},${targetY} ${targetX},${targetY}`;
+  }
+
+  return (
+    <path
+      {...style}
+      d={dAttr}
+    />
+  );
+});