Fix failed to parse sourcemap (issue #396) (#676)

* fixed sourcemaps warnings

* fixed tsconfig lib

* enhance xcopy params

Author: alvin883

package.json

@@ -26,8 +26,8 @@
     "build:typing": "tsc --emitDeclarationOnly --outDir ./dist",
     "build:umd": "./scripts/build-webpack.sh",
     "build:umd_windows": ".\\scripts\\build-webpack.bat",
-    "build:copy": "cp README.md dist && cp package.json dist && cp LICENSE dist",
-    "build:copy_windows": "copy README.md dist && copy package.json dist && copy LICENSE dist",
+    "build:copy": "cp README.md dist && cp package.json dist && cp LICENSE dist && cp -R src dist/src",
+    "build:copy_windows": "copy README.md dist && copy package.json dist && copy LICENSE dist && xcopy .\\src .\\dist\\src /S /I /Y",
     "release": "npm run build && cp dist/html5-qrcode.min.js minified/html5-qrcode.min.js && cd dist && npm publish",
     "release_windows": "npm run build && cp dist\\html5-qrcode.min.js minified\\html5-qrcode.min.js && cd dist && npm publish"
   },

third_party/zxing-js.umd.js

@@ -23868,4 +23868,3 @@
     Object.defineProperty(exports, '__esModule', { value: true });
 
 })));
-//# sourceMappingURL=index.js.map

tsconfig.json

@@ -5,10 +5,7 @@
         "sourceMap": true,
         "moduleResolution": "Node",
         "declaration": true,
-        "lib": [
-            "es7",
-            "dom"
-        ],
+        "lib": ["DOM", "ES2017", "ES2018"],
 
         // ^ Build the transpiled javascript to transpiled/ dir.
         // Flags to ensure code quality.

tsconfig.lib-cjs.json

@@ -1,6 +1,7 @@
 {
     "extends": "./tsconfig.json",
     "compilerOptions": {
+        "lib": ["DOM", "ES2017", "ES2018"],
         "module": "commonjs",
         "target": "es5",
         "outDir": "dist/cjs"

tsconfig.lib-es2015.json

@@ -1,6 +1,7 @@
 {
     "extends": "./tsconfig.json",
-        "compilerOptions": {
+    "compilerOptions": {
+        "lib": ["DOM", "ES2017", "ES2018"],
         "module": "es2015",
         "target": "es2015",
         "outDir": "dist/es2015"

tsconfig.lib-esm.json

@@ -1,6 +1,7 @@
 {
     "extends": "./tsconfig.json",
     "compilerOptions": {
+        "lib": ["DOM", "ES2017", "ES2018"],
         "module": "es2015",
         "target": "es5",
         "outDir": "dist/esm"