color hex codes parsed as dates (#663)

packages/data-inference/package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@msrvida/data-inference",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@msrvida/data-inference",
-      "version": "1.0.0",
+      "version": "1.0.1",
       "license": "MIT",
       "dependencies": {
         "d3-color": "^3.1.0",

packages/data-inference/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@msrvida/data-inference",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Infer column types in tabular data.",
   "main": "dist/es6/index.js",
   "repository": {

packages/data-inference/src/inference.ts

@@ -42,7 +42,8 @@ export function inferAll(columns: Column[], data: object[]) {
             if (!column.stats) {
                 column.stats = getStats(data, column);
             }
-            if (column.type === 'string' && typeof column.isColorData !== 'boolean') {
+            // hex codes, ex. #003300, are parsed as dates
+            if ((column.type === 'date' || column.type === 'string') && typeof column.isColorData !== 'boolean') {
                 checkIsColorData(data, column);
             }
         }

packages/data-inference/src/stats.ts

@@ -49,7 +49,8 @@ export function getStats(data: object[] | Float64Array, ...args: any[]) {
             }
             sum += num;
         }
-        if (columnType === 'string' && !stats.hasColorData && isColor(value)) {
+        // hex codes, ex. #003300, are parsed as dates
+        if ((columnType === 'date' || columnType === 'string') && !stats.hasColorData && isColor(value)) {
             stats.hasColorData = true;
         }
     }