build: Package core functions in ct-node for now. No build process. Revisit post release

src/color-thief-node.js

@@ -1,6 +1,50 @@
 const getPixels = require('get-pixels');
 const quantize = require('quantize');
-const core = require('./core-node.js');
+
+function createPixelArray(imgData, pixelCount, quality) {
+    const pixels = imgData;
+    const pixelArray = [];
+
+    for (let i = 0, offset, r, g, b, a; i < pixelCount; i = i + quality) {
+        offset = i * 4;
+        r = pixels[offset + 0];
+        g = pixels[offset + 1];
+        b = pixels[offset + 2];
+        a = pixels[offset + 3];
+
+        // If pixel is mostly opaque and not white
+        if (typeof a === 'undefined' || a >= 125) {
+            if (!(r > 250 && g > 250 && b > 250)) {
+                pixelArray.push([r, g, b]);
+            }
+        }
+    }
+    return pixelArray;
+}
+
+function validateOptions(options) {
+    let { colorCount, quality } = options;
+
+    if (typeof colorCount === 'undefined' || !Number.isInteger(colorCount)) {
+        colorCount = 10;
+    } else if (colorCount === 1 ) {
+        throw new Error('colorCount should be between 2 and 20. To get one color, call getColor() instead of getPalette()');
+    } else {
+        colorCount = Math.max(colorCount, 2);
+        colorCount = Math.min(colorCount, 20);
+    }
+
+    if (typeof quality === 'undefined' || Number.isInteger(quality)) {
+        quality = 10;
+    } else if (quality < 1) {
+        quality = 10;
+    }
+
+    return {
+        colorCount,
+        quality
+    }
+}
 
 function loadImg(img) {
     return new Promise((resolve, reject) => {
@@ -28,7 +72,7 @@ function getColor(img, quality) {
 }
 
 function getPalette(img, colorCount = 10, quality = 10) {
-    const options = core.validateOptions({
+    const options = validateOptions({
         colorCount,
         quality
     });
@@ -37,7 +81,7 @@ function getPalette(img, colorCount = 10, quality = 10) {
         loadImg(img)
             .then(imgData => {
                 const pixelCount = imgData.shape[0] * imgData.shape[1];
-                const pixelArray = core.createPixelArray(imgData.data, pixelCount, options.quality);
+                const pixelArray = createPixelArray(imgData.data, pixelCount, options.quality);
 
                 const cmap = quantize(pixelArray, options.colorCount);
                 const palette = cmap? cmap.palette() : null;

src/core-node.js

@@ -1,49 +0,0 @@
-function createPixelArray(imgData, pixelCount, quality) {
-    const pixels = imgData;
-    const pixelArray = [];
-
-    for (let i = 0, offset, r, g, b, a; i < pixelCount; i = i + quality) {
-        offset = i * 4;
-        r = pixels[offset + 0];
-        g = pixels[offset + 1];
-        b = pixels[offset + 2];
-        a = pixels[offset + 3];
-
-        // If pixel is mostly opaque and not white
-        if (typeof a === 'undefined' || a >= 125) {
-            if (!(r > 250 && g > 250 && b > 250)) {
-                pixelArray.push([r, g, b]);
-            }
-        }
-    }
-    return pixelArray;
-}
-
-function validateOptions(options) {
-    let { colorCount, quality } = options;
-
-    if (typeof colorCount === 'undefined' || !Number.isInteger(colorCount)) {
-        colorCount = 10;
-    } else if (colorCount === 1 ) {
-        throw new Error('colorCount should be between 2 and 20. To get one color, call getColor() instead of getPalette()');
-    } else {
-        colorCount = Math.max(colorCount, 2);
-        colorCount = Math.min(colorCount, 20);
-    }
-
-    if (typeof quality === 'undefined' || Number.isInteger(quality)) {
-        quality = 10;
-    } else if (quality < 1) {
-        quality = 10;
-    }
-
-    return {
-        colorCount,
-        quality
-    }
-}
-
-module.exports = {
-    createPixelArray,
-    validateOptions
-};