feat: add skipClone option

Author: Benjamin Grand

package-lock.json

@@ -1,26 +1,35 @@
 {
-  "title": "html2canvas",
-  "name": "html2canvas",
+  "title": "html-to-canvas",
+  "name": "html-to-canvas",
   "description": "Screenshots with JavaScript",
   "main": "dist/html2canvas.js",
   "module": "dist/html2canvas.esm.js",
   "typings": "dist/types/index.d.ts",
   "browser": "dist/html2canvas.js",
-  "version": "1.4.1",
-  "author": {
-    "name": "Niklas von Hertzen",
-    "email": "[email protected]",
-    "url": "https://hertzen.com"
-  },
-  "engines": {
-    "node": ">=8.0.0"
-  },
-  "repository": {
-    "type": "git",
-    "url": "[email protected]:niklasvh/html2canvas.git"
+  "version": "1.0.0",
+  "license": "MIT",
+  "scripts": {
+    "prebuild": "rimraf dist/ && rimraf build/ && mkdirp dist && mkdirp build",
+    "build": "tsc --module commonjs && rollup -c rollup.config.ts && npm run build:create-reftest-list && npm run build:testrunner && npm run build:minify",
+    "build:testrunner": "rollup -c tests/rollup.config.ts",
+    "build:minify": "uglifyjs --compress --comments /^!/ -o dist/html2canvas.min.js --mangle -- dist/html2canvas.js",
+    "build:reftest-result-list": "ts-node scripts/create-reftest-result-list.ts",
+    "build:create-reftest-list": "ts-node scripts/create-reftest-list.ts tests/reftests/ignore.txt build/reftests.ts",
+    "build:reftest-preview": "webpack --config www/webpack.config.js",
+    "release": "standard-version",
+    "format": "prettier --write \"{src,www/src,tests,scripts}/**/*.ts\"",
+    "lint": "eslint src/**/*.ts --max-warnings 0",
+    "test": "npm run lint && npm run unittest && npm run karma",
+    "unittest": "jest",
+    "reftests-diff": "mkdirp tmp/snapshots && jest --roots=tests --testMatch=**/reftest-diff.ts",
+    "karma": "ts-node tests/karma",
+    "watch": "rollup -c rollup.config.ts -w",
+    "watch:unittest": "mocha --require ts-node/register --watch-extensions ts -w src/**/__tests__/*.ts",
+    "start": "ts-node tests/server --port=8080 --cors=8081"
   },
-  "bugs": {
-    "url": "https://github.com/niklasvh/html2canvas/issues"
+  "dependencies": {
+    "css-line-break": "^2.1.0",
+    "text-segmentation": "^1.0.3"
   },
   "devDependencies": {
     "@babel/cli": "^7.4.3",
@@ -96,29 +105,20 @@
     "webpack-cli": "^3.3.12",
     "yargs": "^17.0.1"
   },
-  "scripts": {
-    "prebuild": "rimraf dist/ && rimraf build/ && mkdirp dist && mkdirp build",
-    "build": "tsc --module commonjs && rollup -c rollup.config.ts && npm run build:create-reftest-list && npm run build:testrunner && npm run build:minify",
-    "build:testrunner": "rollup -c tests/rollup.config.ts",
-    "build:minify": "uglifyjs --compress --comments /^!/ -o dist/html2canvas.min.js --mangle -- dist/html2canvas.js",
-    "build:reftest-result-list": "ts-node scripts/create-reftest-result-list.ts",
-    "build:create-reftest-list": "ts-node scripts/create-reftest-list.ts tests/reftests/ignore.txt build/reftests.ts",
-    "build:reftest-preview": "webpack --config www/webpack.config.js",
-    "release": "standard-version",
-    "format": "prettier --write \"{src,www/src,tests,scripts}/**/*.ts\"",
-    "lint": "eslint src/**/*.ts --max-warnings 0",
-    "test": "npm run lint && npm run unittest && npm run karma",
-    "unittest": "jest",
-    "reftests-diff": "mkdirp tmp/snapshots && jest --roots=tests --testMatch=**/reftest-diff.ts",
-    "karma": "ts-node tests/karma",
-    "watch": "rollup -c rollup.config.ts -w",
-    "watch:unittest": "mocha --require ts-node/register --watch-extensions ts -w src/**/__tests__/*.ts",
-    "start": "ts-node tests/server --port=8080 --cors=8081"
+  "engines": {
+    "node": ">=8.0.0"
   },
-  "homepage": "https://html2canvas.hertzen.com",
-  "license": "MIT",
-  "dependencies": {
-    "css-line-break": "^2.1.0",
-    "text-segmentation": "^1.0.3"
+  "homepage": "https://github.com/bgrand-ch/html-to-canvas",
+  "repository": {
+    "type": "git",
+    "url": "[email protected]:bgrand-ch/html-to-canvas.git"
+  },
+  "bugs": {
+    "url": "https://github.com/bgrand-ch/html-to-canvas/issues"
+  },
+  "author": {
+    "name": "Niklas von Hertzen",
+    "email": "[email protected]",
+    "url": "https://hertzen.com"
   }
 }

package.json

@@ -28,6 +28,7 @@ import {DebuggerType, isDebugging} from '../core/debugger';
 export interface CloneOptions {
     ignoreElements?: (element: Element) => boolean;
     onclone?: (document: Document, element: HTMLElement) => void;
+    skipClone?: boolean;
     allowTaint?: boolean;
 }
 
@@ -66,7 +67,8 @@ export class DocumentCloner {
             throw new Error('Cloned element does not have an owner document');
         }
 
-        this.documentElement = this.cloneNode(element.ownerDocument.documentElement, false) as HTMLElement;
+        const docElement: HTMLElement = element.ownerDocument.documentElement;
+        this.documentElement = this.options.skipClone ? docElement : this.cloneNode(docElement, false) as HTMLElement;
     }
 
     toIFrame(ownerDocument: Document, windowSize: Bounds): Promise<HTMLIFrameElement> {