first commit

backend/node_modules/png-js/test/imgdata.spec.js

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+const PNGNode = require('../png-node');
+const fs = require('fs');
+
+const files = fs.readdirSync('test/images');
+
+function getImgData(Ctor, fileName) {
+  const image = new Ctor(fs.readFileSync(`test/images/${fileName}`));
+  return image.imgData;
+}
+
+describe('imgData', () => {
+  describe('node', () => {
+    test.each(files)('%s', fileName => {
+      expect(getImgData(PNGNode, fileName)).toMatchSnapshot();
+    });
+  });
+
+  describe('browser', () => {
+    test.each(files)('%s', fileName => {
+      expect(getImgData(PNG, fileName)).toMatchSnapshot();
+    });
+  });
+});

backend/node_modules/png-js/test/metadata.spec.js

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+const PNGNode = require('../png-node');
+const fs = require('fs');
+
+const files = fs.readdirSync('test/images');
+
+function getMetaData(Ctor, fileName) {
+  const image = new Ctor(fs.readFileSync(`test/images/${fileName}`));
+  const { imgData, data, ...metadata } = image;
+  return metadata;
+}
+
+describe('metadata', () => {
+  describe('node', () => {
+    test.each(files)('%s', fileName => {
+      expect(getMetaData(PNGNode, fileName)).toMatchSnapshot();
+    });
+  });
+
+  describe('browser', () => {
+    test.each(files)('%s', fileName => {
+      expect(getMetaData(PNG, fileName)).toMatchSnapshot();
+    });
+  });
+});

backend/node_modules/png-js/test/patch-canvas.js

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+HTMLCanvasElement.prototype.getContext = function() {};

backend/node_modules/png-js/test/pixels.spec.js

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+const PNGNode = require('../png-node');
+const fs = require('fs');
+
+const files = fs.readdirSync('test/images');
+
+async function getPixels(Ctor, fileName) {
+  const image = new Ctor(fs.readFileSync(`test/images/${fileName}`));
+  return new Promise(resolve => {
+    Ctor === PNGNode
+      ? image.decodePixels(resolve)
+      : resolve(image.decodePixels());
+  });
+}
+
+describe('pixels', () => {
+  describe('node', () => {
+    test.each(files)('%s', async fileName => {
+      const pixels = await getPixels(PNGNode, fileName);
+      expect(pixels).toMatchSnapshot();
+    });
+  });
+
+  describe('browser', () => {
+    test.each(files)('%s', async fileName => {
+      const pixels = await getPixels(PNG, fileName);
+      expect(pixels).toMatchSnapshot();
+    });
+  });
+});