remove excess methods and process around metadata type coercion

src/components/continuous/util.js

@@ -10,38 +10,18 @@ export const innerHeight = height - 2;
 
 export const devicePixelRatio = window.devicePixelRatio || 1;
 
-export const types = {
-  "Number": {
-    key: "Number",
-    coerce: function(d) { return +d; },
-    extent: d3.extent,
-    within: function(d, extent, dim) { return extent[0] <= dim.scale(d) && dim.scale(d) <= extent[1]; },
-    defaultScale: d3.scaleSqrt().range([innerHeight, 0])
-  },
-  "String": {
-    key: "String",
-    coerce: String,
-    extent: function (data) { return data.sort(); },
-    within: function(d, extent, dim) { return extent[0] <= dim.scale(d) && dim.scale(d) <= extent[1]; },
-    defaultScale: d3.scalePoint().range([0, innerHeight])
-  },
-  "Date": {
-    key: "Date",
-    coerce: function(d) { return new Date(d); },
-    extent: d3.extent,
-    within: function(d, extent, dim) { return extent[0] <= dim.scale(d) && dim.scale(d) <= extent[1]; },
-    defaultScale: d3.scaleTime().range([0, innerHeight])
-  }
-};
-
 export const createDimensions = (data) => {
   const newArr = []
   _.each(data, (value, key) => {
     if (value.range) {
       newArr.push({
         key: key, /* room for confusion: lodash calls this key, it's also the name of the property parallel coords code is looking for */
-        type: types["Number"],
+        type: {
-        scale: d3.scaleSqrt().range([innerHeight, 0])
+          within: (d, extent, dim) => {
+            return extent[0] <= dim.scale(d) && dim.scale(d) <= extent[1];
+          },
+        },
+        scale: d3.scaleSqrt().range([innerHeight, 0]).domain([0, value.range.max])
       })
     }
   })
@@ -69,45 +49,3 @@ export const project = (d, dimensions, xscale) => {
     return [xscale(i),p.scale(d[p.key])];
   });
 };
-
-/*****************************************
-******************************************
-    process data and extract features
-******************************************
-******************************************/
-
-export const processData = (metadata, dimensions) => {
-  // shuffle the metadata! - or not, this is a visual effect
-  // metadata = d3.shuffle(metadata);
-
-  metadata.forEach((d) => {
-    dimensions.forEach((p) => {
-      d[p.key] = !d[p.key] ? null : p.type.coerce(d[p.key]);
-    });
-
-    // truncate long text strings to fit in metadata table
-    for (var key in d) {
-      if (d[key] && d[key].length > 35) d[key] = d[key].slice(0,36);
-    }
-  });
-
-  // type/dimension default setting happens here
-  dimensions.forEach((dim) => {
-    if (!("domain" in dim)) {
-      // detect domain using dimension type's extent function
-      dim.domain = d3_functor(dim.type.extent)(
-        metadata.map((d) => { return d[dim.key]; })
-      );
-    }
-    if (!("scale" in dim)) {
-      // use type's default scale for dimension
-      dim.scale = dim.type.defaultScale.copy();
-    }
-    dim.scale.domain(dim.domain);
-  });
-
-  return {
-    processedMetadata: metadata,
-    processedDimensions: dimensions
-  }
-}