diff --git a/.travis.yml b/.travis.yml
index 1363917..bdc14fd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,6 +2,8 @@ language: node_js
 node_js:
   - "12"
 dist: trusty
+addons:
+  - chrome: stable
 install: "npm install"
 script: "sh -e run_tests.sh"
 notifications:
diff --git a/package-lock.json b/package-lock.json
index 1cdff5e..89e5347 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1960,12 +1960,6 @@
       "dev": true,
       "optional": true
     },
-    "bower": {
-      "version": "1.8.8",
-      "resolved": "https://registry.npmjs.org/bower/-/bower-1.8.8.tgz",
-      "integrity": "sha512-1SrJnXnkP9soITHptSO+ahx3QKp3cVzn8poI6ujqc5SeOkg5iqM1pK9H+DSc2OQ8SnO0jC/NG4Ur/UIwy7574A==",
-      "dev": true
-    },
     "brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
@@ -2459,50 +2453,6 @@
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
       "dev": true
     },
-    "concat-stream": {
-      "version": "1.6.2",
-      "resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
-      "integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
-      "dev": true,
-      "requires": {
-        "buffer-from": "^1.0.0",
-        "inherits": "^2.0.3",
-        "readable-stream": "^2.2.2",
-        "typedarray": "^0.0.6"
-      },
-      "dependencies": {
-        "isarray": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
-          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE=",
-          "dev": true
-        },
-        "readable-stream": {
-          "version": "2.3.7",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
-          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
-          "dev": true,
-          "requires": {
-            "core-util-is": "~1.0.0",
-            "inherits": "~2.0.3",
-            "isarray": "~1.0.0",
-            "process-nextick-args": "~2.0.0",
-            "safe-buffer": "~5.1.1",
-            "string_decoder": "~1.1.1",
-            "util-deprecate": "~1.0.1"
-          }
-        },
-        "string_decoder": {
-          "version": "1.1.1",
-          "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-          "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-          "dev": true,
-          "requires": {
-            "safe-buffer": "~5.1.0"
-          }
-        }
-      }
-    },
     "config-chain": {
       "version": "1.1.12",
       "resolved": "https://registry.npmjs.org/config-chain/-/config-chain-1.1.12.tgz",
@@ -2844,6 +2794,12 @@
             "strip-eof": "^1.0.0"
           }
         },
+        "is-stream": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
+          "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
+          "dev": true
+        },
         "npm-run-path": {
           "version": "2.0.2",
           "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
@@ -3598,12 +3554,6 @@
           "requires": {
             "pump": "^3.0.0"
           }
-        },
-        "is-stream": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.0.tgz",
-          "integrity": "sha512-XCoy+WlUr7d1+Z8GgSuXmpuUFC9fOhRXglJMx+dwLKTkL44Cjd4W1Z5P+BQZpr+cR93aGP4S/s7Ftw6Nd/kiEw==",
-          "dev": true
         }
       }
     },
@@ -4497,16 +4447,6 @@
         }
       }
     },
-    "hasha": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/hasha/-/hasha-2.2.0.tgz",
-      "integrity": "sha1-eNfL/B5tZjA/55g3NlmEUXsvbuE=",
-      "dev": true,
-      "requires": {
-        "is-stream": "^1.0.1",
-        "pinkie-promise": "^2.0.0"
-      }
-    },
     "he": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
@@ -4936,9 +4876,9 @@
       }
     },
     "interpret": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/interpret/-/interpret-1.4.0.tgz",
-      "integrity": "sha512-agE4QfB2Lkp9uICn7BAqoscw4SZP9kTE2hxiFI3jBPmXJfdqiahTbUuKGsMoN2GtqL9AxhYioAcVvgsb1HvRbA==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/interpret/-/interpret-2.2.0.tgz",
+      "integrity": "sha512-Ju0Bz/cEia55xDwUWEa8+olFpCiQoypjnQySseKtmjNrnps3P+xfpUmGr90T7yjlVJmOtybRvPXhKMbHr+fWnw==",
       "dev": true
     },
     "ip": {
@@ -5154,9 +5094,9 @@
       }
     },
     "is-stream": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
-      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-2.0.0.tgz",
+      "integrity": "sha512-XCoy+WlUr7d1+Z8GgSuXmpuUFC9fOhRXglJMx+dwLKTkL44Cjd4W1Z5P+BQZpr+cR93aGP4S/s7Ftw6Nd/kiEw==",
       "dev": true
     },
     "is-symbol": {
@@ -5357,12 +5297,6 @@
             "string_decoder": "~0.10.x"
           }
         },
-        "shelljs": {
-          "version": "0.3.0",
-          "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.3.0.tgz",
-          "integrity": "sha1-NZbmMHp4FUT1kfN9phg2DzHbV7E=",
-          "dev": true
-        },
         "string_decoder": {
           "version": "0.10.31",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
@@ -5538,6 +5472,15 @@
         }
       }
     },
+    "karma-chrome-launcher": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/karma-chrome-launcher/-/karma-chrome-launcher-3.1.0.tgz",
+      "integrity": "sha512-3dPs/n7vgz1rxxtynpzZTvb9y/GIaW8xjAwcIGttLbycqoFtI7yo1NGnQi6oFTherRE+GIhCAHZC4vEqWGhNvg==",
+      "dev": true,
+      "requires": {
+        "which": "^1.2.1"
+      }
+    },
     "karma-jasmine": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/karma-jasmine/-/karma-jasmine-3.1.1.tgz",
@@ -5565,16 +5508,6 @@
         }
       }
     },
-    "karma-phantomjs-launcher": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/karma-phantomjs-launcher/-/karma-phantomjs-launcher-1.0.4.tgz",
-      "integrity": "sha1-0jyjSAG9qYY60xjju0vUBisTrNI=",
-      "dev": true,
-      "requires": {
-        "lodash": "^4.0.1",
-        "phantomjs-prebuilt": "^2.1.7"
-      }
-    },
     "karma-webpack": {
       "version": "5.0.0-alpha.3.0",
       "resolved": "https://registry.npmjs.org/karma-webpack/-/karma-webpack-5.0.0-alpha.3.0.tgz",
@@ -5586,12 +5519,6 @@
         "webpack-merge": "^4.1.5"
       }
     },
-    "kew": {
-      "version": "0.7.0",
-      "resolved": "https://registry.npmjs.org/kew/-/kew-0.7.0.tgz",
-      "integrity": "sha1-edk9LTM2PW/dKXCzNdkUGtWR15s=",
-      "dev": true
-    },
     "keyv": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/keyv/-/keyv-3.1.0.tgz",
@@ -5613,15 +5540,6 @@
       "integrity": "sha512-dcS1ul+9tmeD95T+x28/ehLgd9mENa3LsvDTtzm3vyBEO7RPptvAD+t44WVXaUjTBRcrpFeFlC8WCruUR456hw==",
       "dev": true
     },
-    "klaw": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/klaw/-/klaw-1.3.1.tgz",
-      "integrity": "sha1-QIhDO0azsbolnXh4XY6W9zugJDk=",
-      "dev": true,
-      "requires": {
-        "graceful-fs": "^4.1.9"
-      }
-    },
     "leven": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/leven/-/leven-3.1.0.tgz",
@@ -6518,87 +6436,6 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
-    "phantomjs-prebuilt": {
-      "version": "2.1.16",
-      "resolved": "https://registry.npmjs.org/phantomjs-prebuilt/-/phantomjs-prebuilt-2.1.16.tgz",
-      "integrity": "sha1-79ISpKOWbTZHaE6ouniFSb4q7+8=",
-      "dev": true,
-      "requires": {
-        "es6-promise": "^4.0.3",
-        "extract-zip": "^1.6.5",
-        "fs-extra": "^1.0.0",
-        "hasha": "^2.2.0",
-        "kew": "^0.7.0",
-        "progress": "^1.1.8",
-        "request": "^2.81.0",
-        "request-progress": "^2.0.1",
-        "which": "^1.2.10"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
-          "dev": true,
-          "requires": {
-            "ms": "2.0.0"
-          }
-        },
-        "extract-zip": {
-          "version": "1.7.0",
-          "resolved": "https://registry.npmjs.org/extract-zip/-/extract-zip-1.7.0.tgz",
-          "integrity": "sha512-xoh5G1W/PB0/27lXgMQyIhP5DSY/LhoCsOyZgb+6iMmRtCwVBo55uKaMoEYrDCKQhWvqEip5ZPKAc6eFNyf/MA==",
-          "dev": true,
-          "requires": {
-            "concat-stream": "^1.6.2",
-            "debug": "^2.6.9",
-            "mkdirp": "^0.5.4",
-            "yauzl": "^2.10.0"
-          }
-        },
-        "fs-extra": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-1.0.0.tgz",
-          "integrity": "sha1-zTzl9+fLYUWIP8rjGR6Yd/hYeVA=",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.1.2",
-            "jsonfile": "^2.1.0",
-            "klaw": "^1.0.0"
-          }
-        },
-        "jsonfile": {
-          "version": "2.4.0",
-          "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
-          "integrity": "sha1-NzaitCi4e72gzIO1P6PWM6NcKug=",
-          "dev": true,
-          "requires": {
-            "graceful-fs": "^4.1.6"
-          }
-        },
-        "mkdirp": {
-          "version": "0.5.5",
-          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
-          "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
-          "dev": true,
-          "requires": {
-            "minimist": "^1.2.5"
-          }
-        },
-        "ms": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
-          "dev": true
-        },
-        "progress": {
-          "version": "1.1.8",
-          "resolved": "https://registry.npmjs.org/progress/-/progress-1.1.8.tgz",
-          "integrity": "sha1-4mDHj2Fhzdmw5WzD4Khd4Xx6V74=",
-          "dev": true
-        }
-      }
-    },
     "picomatch": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
@@ -7023,12 +6860,12 @@
       }
     },
     "rechoir": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.6.2.tgz",
-      "integrity": "sha1-hSBLVNuoLVdC4oyWdW70OvUOM4Q=",
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.7.0.tgz",
+      "integrity": "sha512-ADsDEH2bvbjltXEP+hTIAmeFekTFK0V2BTxMkok6qILyAJEXV0AFfoWcAq4yfll5VdIMd/RVXq0lR+wQi5ZU3Q==",
       "dev": true,
       "requires": {
-        "resolve": "^1.1.6"
+        "resolve": "^1.9.0"
       }
     },
     "reduce-flatten": {
@@ -7218,15 +7055,6 @@
         }
       }
     },
-    "request-progress": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/request-progress/-/request-progress-2.0.1.tgz",
-      "integrity": "sha1-XTa7V5YcZzqlt4jbyBQf3yO0Tgg=",
-      "dev": true,
-      "requires": {
-        "throttleit": "^1.0.0"
-      }
-    },
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -7651,15 +7479,10 @@
       "dev": true
     },
     "shelljs": {
-      "version": "0.8.4",
-      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.4.tgz",
-      "integrity": "sha512-7gk3UZ9kOfPLIAbslLzyWeGiEqx9e3rxwZM0KE6EL8GlGwjym9Mrlx5/p33bWTu9YG6vcS4MBxYZDHYr5lr8BQ==",
-      "dev": true,
-      "requires": {
-        "glob": "^7.0.0",
-        "interpret": "^1.0.0",
-        "rechoir": "^0.6.2"
-      }
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.3.0.tgz",
+      "integrity": "sha1-NZbmMHp4FUT1kfN9phg2DzHbV7E=",
+      "dev": true
     },
     "signal-exit": {
       "version": "3.0.3",
@@ -8434,12 +8257,6 @@
         }
       }
     },
-    "throttleit": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/throttleit/-/throttleit-1.0.0.tgz",
-      "integrity": "sha1-nnhYNtr0Z0MUWlmEtiaNgoUorGw=",
-      "dev": true
-    },
     "thunky": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/thunky/-/thunky-1.1.0.tgz",
@@ -8593,12 +8410,6 @@
         "mime-types": "~2.1.24"
       }
     },
-    "typedarray": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=",
-      "dev": true
-    },
     "typical": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/typical/-/typical-5.2.0.tgz",
@@ -8611,16 +8422,10 @@
       "integrity": "sha512-YUxzMjJ5T71w6a8WWVcMGM6YWOTX27rCoIQgLXiWaxqXSx9D7DNjiGWn1aJIRSQ5qr0xuhra77bSIh6voR/46Q==",
       "dev": true
     },
-    "uglify-js": {
-      "version": "3.12.0",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.12.0.tgz",
-      "integrity": "sha512-8lBMSkFZuAK7gGF8LswsXmir8eX8d2AAMOnxSDWjKBx/fBR6MypQjs78m6ML9zQVp1/hD4TBdfeMZMC7nW1TAA==",
-      "dev": true
-    },
     "underscore": {
-      "version": "1.10.2",
-      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.10.2.tgz",
-      "integrity": "sha512-N4P+Q/BuyuEKFJ43B9gYuOj4TQUHXX+j2FqguVOpjkssLUUrnJofCcBccJSCoeturDoZU6GorDTHSvUDlSQbTg=="
+      "version": "1.12.0",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.12.0.tgz",
+      "integrity": "sha512-21rQzss/XPMjolTiIezSu3JAjgagXKROtNrYFEOWK109qY1Uv2tVjPTZ1ci2HgvQDA16gHYSthQIJfB+XId/rQ=="
     },
     "unicode-canonical-property-names-ecmascript": {
       "version": "1.0.4",
@@ -9018,21 +8823,6 @@
           "resolved": "https://registry.npmjs.org/commander/-/commander-6.2.0.tgz",
           "integrity": "sha512-zP4jEKbe8SHzKJYQmq8Y9gYjtO/POJLgIdKgV7B9qNmABVFVc+ctqSX6iXh4mCpJfRBOabiZ2YKPg8ciDw6C+Q==",
           "dev": true
-        },
-        "interpret": {
-          "version": "2.2.0",
-          "resolved": "https://registry.npmjs.org/interpret/-/interpret-2.2.0.tgz",
-          "integrity": "sha512-Ju0Bz/cEia55xDwUWEa8+olFpCiQoypjnQySseKtmjNrnps3P+xfpUmGr90T7yjlVJmOtybRvPXhKMbHr+fWnw==",
-          "dev": true
-        },
-        "rechoir": {
-          "version": "0.7.0",
-          "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.7.0.tgz",
-          "integrity": "sha512-ADsDEH2bvbjltXEP+hTIAmeFekTFK0V2BTxMkok6qILyAJEXV0AFfoWcAq4yfll5VdIMd/RVXq0lR+wQi5ZU3Q==",
-          "dev": true,
-          "requires": {
-            "resolve": "^1.9.0"
-          }
         }
       }
     },
diff --git a/package.json b/package.json
index 5291849..d836073 100644
--- a/package.json
+++ b/package.json
@@ -18,9 +18,9 @@
     "jasmine-core": "^3.6.0",
     "jshint": "^2.11.1",
     "karma": "^5.1.0",
+    "karma-chrome-launcher": "^3.1.0",
     "karma-jasmine": "~3.1",
     "karma-junit-reporter": "~2.0",
-    "karma-phantomjs-launcher": "^1.0.4",
     "karma-webpack": "^5.0.0-alpha.3.0",
     "linkifyjs": "^2.1.9",
     "protractor": "^7.0.0",
@@ -33,7 +33,7 @@
     "lint": "jshint src/js/*.js test/unit/*.js",
     "prestart": "npm install",
     "start": "webpack serve",
-    "pretest": "npm install",
+    "-pretest": "npm install",
     "test": "karma start test/karma.conf.js",
     "test-single-run": "karma start test/karma.conf.js  --single-run",
     "preupdate-webdriver": "npm install",
diff --git a/test/karma.conf.js b/test/karma.conf.js
index 41431f4..e004186 100644
--- a/test/karma.conf.js
+++ b/test/karma.conf.js
@@ -20,7 +20,7 @@ module.exports = function (config) {
     singleRun: true,
 
     plugins: [
-      'karma-phantomjs-launcher',
+      'karma-chrome-launcher',
       'karma-jasmine',
       'karma-junit-reporter',
       'karma-webpack'
@@ -70,3 +70,4 @@ module.exports = function (config) {
     config.browsers = ['ChromeHeadlessNoSandbox'];
   }
 };
+