feat(package): use tslib to reduce dist size

Author: liangchunn

package.json

@@ -50,6 +50,7 @@
     "ts-jest": "24.1.0",
     "ts-loader": "6.2.1",
     "tsconfig-paths-webpack-plugin": "3.2.0",
+    "tslib": "^1.10.0",
     "webpack": "4.41.5",
     "webpack-merge": "4.2.2",
     "webpack-node-externals": "1.7.2"

tsconfig.json

@@ -16,7 +16,7 @@
     // "composite": true,                     /* Enable project compilation */
     // "removeComments": true,                /* Do not emit comments to output. */
     // "noEmit": true,                        /* Do not emit outputs. */
-    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
+    "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
     // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
     // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
 

yarn.lock

@@ -7803,7 +7803,7 @@ tsconfig-paths@^3.4.0:
     minimist "^1.2.0"
     strip-bom "^3.0.0"
 
-tslib@^1.8.1:
+tslib@^1.10.0, tslib@^1.8.1:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==