big updat:

- update dependencies
- add webp support and webp conversion for profile images

node_modules/gifuct-js/lib/index.js

@@ -0,0 +1,105 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.decompressFrames = exports.decompressFrame = exports.parseGIF = void 0;
+
+var _gif = _interopRequireDefault(require("js-binary-schema-parser/lib/schemas/gif"));
+
+var _jsBinarySchemaParser = require("js-binary-schema-parser");
+
+var _uint = require("js-binary-schema-parser/lib/parsers/uint8");
+
+var _deinterlace = require("./deinterlace");
+
+var _lzw = require("./lzw");
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+var parseGIF = function parseGIF(arrayBuffer) {
+  var byteData = new Uint8Array(arrayBuffer);
+  return (0, _jsBinarySchemaParser.parse)((0, _uint.buildStream)(byteData), _gif["default"]);
+};
+
+exports.parseGIF = parseGIF;
+
+var generatePatch = function generatePatch(image) {
+  var totalPixels = image.pixels.length;
+  var patchData = new Uint8ClampedArray(totalPixels * 4);
+
+  for (var i = 0; i < totalPixels; i++) {
+    var pos = i * 4;
+    var colorIndex = image.pixels[i];
+    var color = image.colorTable[colorIndex] || [0, 0, 0];
+    patchData[pos] = color[0];
+    patchData[pos + 1] = color[1];
+    patchData[pos + 2] = color[2];
+    patchData[pos + 3] = colorIndex !== image.transparentIndex ? 255 : 0;
+  }
+
+  return patchData;
+};
+
+var decompressFrame = function decompressFrame(frame, gct, buildImagePatch) {
+  if (!frame.image) {
+    console.warn('gif frame does not have associated image.');
+    return;
+  }
+
+  var image = frame.image; // get the number of pixels
+
+  var totalPixels = image.descriptor.width * image.descriptor.height; // do lzw decompression
+
+  var pixels = (0, _lzw.lzw)(image.data.minCodeSize, image.data.blocks, totalPixels); // deal with interlacing if necessary
+
+  if (image.descriptor.lct.interlaced) {
+    pixels = (0, _deinterlace.deinterlace)(pixels, image.descriptor.width);
+  }
+
+  var resultImage = {
+    pixels: pixels,
+    dims: {
+      top: frame.image.descriptor.top,
+      left: frame.image.descriptor.left,
+      width: frame.image.descriptor.width,
+      height: frame.image.descriptor.height
+    }
+  }; // color table
+
+  if (image.descriptor.lct && image.descriptor.lct.exists) {
+    resultImage.colorTable = image.lct;
+  } else {
+    resultImage.colorTable = gct;
+  } // add per frame relevant gce information
+
+
+  if (frame.gce) {
+    resultImage.delay = (frame.gce.delay || 10) * 10; // convert to ms
+
+    resultImage.disposalType = frame.gce.extras.disposal; // transparency
+
+    if (frame.gce.extras.transparentColorGiven) {
+      resultImage.transparentIndex = frame.gce.transparentColorIndex;
+    }
+  } // create canvas usable imagedata if desired
+
+
+  if (buildImagePatch) {
+    resultImage.patch = generatePatch(resultImage);
+  }
+
+  return resultImage;
+};
+
+exports.decompressFrame = decompressFrame;
+
+var decompressFrames = function decompressFrames(parsedGif, buildImagePatches) {
+  return parsedGif.frames.filter(function (f) {
+    return f.image;
+  }).map(function (f) {
+    return decompressFrame(f, parsedGif.gct, buildImagePatches);
+  });
+};
+
+exports.decompressFrames = decompressFrames;