testcafe-browser-tools - npm Package Compare versions

Comparing version 1.4.0 to 1.4.1-git.201708181130

lib/aliases.js

@@ -28,2 +28,9 @@ 'use strict';
 
+    'chrome-canary': {
+        nameRe: /chrome\s*canary/i,
+        cmd: '--no-first-run --new-window',
+        macOpenCmdTemplate: 'open -n -a "{{{path}}}" --args {{{pageUrl}}} {{{cmd}}}',
+        linuxBinaries: ['google-chrome-canary']
+    },
+
     'chrome': {
@@ -33,3 +40,3 @@ nameRe: /chrome/i,
         macOpenCmdTemplate: 'open -n -a "{{{path}}}" --args {{{pageUrl}}} {{{cmd}}}',
-        linuxBinaries: ['google-chrome', 'google-chrome-stable', 'google-chrome-canary']
+        linuxBinaries: ['google-chrome', 'google-chrome-stable', 'google-chrome-unstable']
     },
@@ -36,0 +43,0 @@

lib/api/generate-thumbnail.js

 'use strict';
 
+var _Promise = require('babel-runtime/core-js/promise').default;
+
 var _regeneratorRuntime = require('babel-runtime/regenerator').default;
@@ -13,11 +15,11 @@
 
-var _utilsEnsureDirectory = require('../utils/ensure-directory');
+var _fs = require('fs');
 
-var _utilsEnsureDirectory2 = _interopRequireDefault(_utilsEnsureDirectory);
+var _fs2 = _interopRequireDefault(_fs);
 
-var _utilsExec = require('../utils/exec');
+var _pngjs = require('pngjs');
 
-var _binaries = require('../binaries');
+var _utilsEnsureDirectory = require('../utils/ensure-directory');
 
-var _binaries2 = _interopRequireDefault(_binaries);
+var _utilsEnsureDirectory2 = _interopRequireDefault(_utilsEnsureDirectory);
 
@@ -27,2 +29,73 @@ var DEFAULT_THUMBNAIL_WIDTH = 240;
 
+function cubicInterpolation(t, t2, t3, f) {
+    var C = [0 - 1 * t + 2 * t2 - 1 * t3, 2 + 0 * t - 5 * t2 + 3 * t3, 0 + 1 * t + 4 * t2 - 3 * t3, 0 + 0 * t - 1 * t2 + 1 * t3];
+
+    return 0.5 * (C[0] * f[0] + C[1] * f[1] + C[2] * f[2] + C[3] * f[3]);
+}
+
+function getSubpixel(img, y, x, channel) {
+    if (y >= img.height || x >= img.width || y < 0 || x < 0) return 0;
+
+    return img.data[y * img.width * 4 + x * 4 + channel];
+}
+
+function setSubpixel(img, y, x, channel, color) {
+    if (y >= img.height || x >= img.width || y < 0 || x < 0) return;
+
+    if (color > 255) color = 255;else if (color < 0) color = 0;
+
+    img.data[y * img.width * 4 + x * 4 + channel] = color;
+}
+
+function scale(src, width, height) {
+    var dst = new _pngjs.PNG({ width: width, height: height });
+
+    var cx = src.width / width;
+    var cy = src.height / height;
+
+    var interpolated = [0, 0, 0, 0];
+
+    for (var i = 0; i < height; ++i) {
+        var targetY = cy * i;
+        var sourceY = Math.floor(targetY);
+
+        var dy = targetY - sourceY;
+        var dy2 = dy * dy;
+        var dy3 = dy2 * dy;
+
+        for (var j = 0; j < width; ++j) {
+            var targetX = cx * j;
+            var sourceX = Math.floor(targetX);
+
+            var dx = targetX - sourceX;
+            var dx2 = dx * dx;
+            var dx3 = dx2 * dx;
+
+            for (var k = 0; k < 3; ++k) {
+                for (var ii = 0, interpolY = sourceY - 1; ii < 4; ++ii, ++interpolY) {
+                    var pixels = [getSubpixel(src, interpolY, sourceX - 1, k), getSubpixel(src, interpolY, sourceX, k), getSubpixel(src, interpolY, sourceX + 1, k), getSubpixel(src, interpolY, sourceX + 2, k)];
+
+                    interpolated[ii] = cubicInterpolation(dx, dx2, dx3, pixels);
+                }
+
+                setSubpixel(dst, i, j, k, cubicInterpolation(dy, dy2, dy3, interpolated));
+            }
+
+            setSubpixel(dst, i, j, 3, 255);
+        }
+    }
+
+    return dst;
+}
+
+function generate(src, dst, width, height) {
+    return new _Promise(function (resolve) {
+        _fs2.default.createReadStream(src).pipe(new _pngjs.PNG()).on('parsed', function () {
+            var dstImage = scale(this, width, height);
+
+            dstImage.pack().pipe(_fs2.default.createWriteStream(dst)).on('end', resolve);
+        });
+    });
+}
+
 function getThumbnailPath(imagePath) {
@@ -67,3 +140,3 @@ var imageName = _path2.default.basename(imagePath);
                                 context$2$0.next = 4;
-                                return _regeneratorRuntime.awrap(_utilsExec.execFile(_binaries2.default.generateThumbnail, [sourcePath, thumbnailPath, width, height]));
+                                return _regeneratorRuntime.awrap(generate(sourcePath, thumbnailPath, width, height));
 
@@ -70,0 +143,0 @@ case 4:

package.json

 {
   "name": "testcafe-browser-tools",
-  "version": "1.4.0",
+  "version": "1.4.1-git.201708181130",
   "description": "An utility library for performing platform-dependent actions on browsers.",
@@ -24,2 +24,3 @@ "homepage": "https://github.com/DevExpress/testcafe-browser-tools",
     "pinkie": "^2.0.1",
+    "pngjs": "^3.3.0",
     "read-file-relative": "^1.2.0",
@@ -26,0 +27,0 @@ "which-promise": "^1.0.0"

New alerts

No v1

Quality

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

1595848

increased by0.16%

Lines of code

1594

increased by3.71%

Worsened metrics

Dependency count

10

increased by11.11%

Number of low quality alerts

1

increased byInfinity%

Number of low supply chain risk alerts

4

increased by33.33%

Dependency changes

• + Addedpngjs@^3.3.0

• + Addedpngjs@3.4.0(transitive)