more lint (#291)

* disable function-paren-newline warning

* fix misc lint

* lint

* remove noop exponentiation

client/src/components/continuous/drawLinesCanvas.js

@@ -1,89 +0,0 @@
-// jshint esversion: 6
-import _ from "lodash";
-import { project } from "./util";
-
-import renderQueue from "../../util/renderQueue";
-
-/*****************************************
-******************************************
-              draw loop
-******************************************
-******************************************/
-
-const drawLinesCanvas = (ctx, dimensions, xscale) => d => {
-  ctx.globalAlpha = 0.1;
-
-  if (d.__selected__) {
-    ctx.strokeStyle = d.__color__;
-  } else {
-    return;
-  }
-
-  ctx.beginPath();
-  const coords = project(d, dimensions, xscale);
-  coords.forEach((p, i) => {
-    // this tricky bit avoids rendering null values as 0
-    if (p === null) {
-      // this bit renders horizontal lines on the previous/next
-      // dimensions, so that sandwiched null values are visible
-      if (i > 0) {
-        const prev = coords[i - 1];
-        if (prev !== null) {
-          ctx.moveTo(prev[0], prev[1]);
-          ctx.lineTo(prev[0] + 6, prev[1]);
-        }
-      }
-      if (i < coords.length - 1) {
-        const next = coords[i + 1];
-        if (next !== null) {
-          ctx.moveTo(next[0] - 6, next[1]);
-        }
-      }
-      return;
-    }
-
-    if (i === 0) {
-      ctx.moveTo(p[0], p[1]);
-      return;
-    }
-
-    ctx.lineTo(p[0], p[1]);
-  });
-  ctx.stroke();
-};
-
-const drawCellLinesUsingRenderQueue = (
-  metadata,
-  dimensions,
-  xscale,
-  ctx,
-  colorAccessor,
-  colorScale
-) => {
-  const _renderLinesWithQueue = renderQueue(
-    drawLinesCanvas(ctx, dimensions, xscale, colorAccessor, colorScale)
-  ).rate(50);
-  _renderLinesWithQueue(metadata);
-  return _renderLinesWithQueue;
-};
-
-const drawCellLinesSync = (
-  metadata,
-  dimensions,
-  xscale,
-  ctx,
-  colorAccessor,
-  colorScale
-) => {
-  const _draw = drawLinesCanvas(
-    ctx,
-    dimensions,
-    xscale,
-    colorAccessor,
-    colorScale
-  );
-  _.each(metadata, _draw);
-};
-
-export default drawCellLinesUsingRenderQueue;
-// export default drawCellLinesUsingRenderQueue;