check if `navigator` available

6 years ago · b01738112b
parent a46e359f8a
commit b01738112b
1 changed files with 1 additions and 1 deletions
--- a/remix-solidity/src/compiler/compiler.js
+++ b/remix-solidity/src/compiler/compiler.js
@ -73,7 +73,7 @@ function Compiler (handleImportCall) {
  function onInternalCompilerLoaded () {
    if (worker === null) {
      var compiler
-      var userAgent = navigator.userAgent.toLowerCase()
+      var userAgent = navigator && navigator.userAgent ? navigator.userAgent.toLowerCase() : "-"
      if (typeof (window) === 'undefined' || userAgent.indexOf(' electron/') > -1) {
        compiler = require('solc')
      } else {