添加 print-js

package.json

@@ -16,6 +16,7 @@
     "element-ui": "^2.4.9",
     "lodash": "^4.17.11",
     "moment": "^2.22.2",
+    "print-js": "^1.0.54",
     "randomcolor": "^0.5.3",
     "rasterizehtml": "^1.3.0",
     "register-service-worker": "^1.0.0",

yarn.lock

@@ -7640,6 +7640,11 @@ pretty@2.0.0:
     extend-shallow "^2.0.1"
     js-beautify "^1.6.12"
 
+print-js@^1.0.54:
+  version "1.0.54"
+  resolved "https://registry.yarnpkg.com/print-js/-/print-js-1.0.54.tgz#f15df027951e9a9165b6d39420d362ba7f0fc130"
+  integrity sha512-tZkwoHJCTS6jqj0UuxhUY9xF8v0rOuAgIZRlfZBOg9D1R4saxznRANkVlAsLW+D4GOOsLq5Zd/OgVk58IfESXA==
+
 private@^0.1.6, private@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"