diff --git a/.eslintrc.yml b/.eslintrc.yml
index 0ce32d2..27ae5b7 100644
--- a/.eslintrc.yml
+++ b/.eslintrc.yml
@@ -10,6 +10,10 @@ globals:
   it: false
 parserOptions:
   ecmaVersion: 5
+ignorePatterns:
+  - 'coverage/**'
+  - 'dist/**'
+  - '**/*.ts'
 rules:
   indent:
     - error
diff --git a/CONTRIBUTING.md b/.github/CONTRIBUTING.md
similarity index 100%
rename from CONTRIBUTING.md
rename to .github/CONTRIBUTING.md
diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
new file mode 100644
index 0000000..0423e44
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -0,0 +1,37 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: a:bug
+assignees: ''
+
+---
+
+<!--- Provide a general summary of the issue in the title above -->
+
+## Expected Behavior
+<!--- If you're describing a bug, tell us what should happen -->
+<!--- If you're suggesting a change/improvement, tell us how it should work -->
+
+## Current Behavior
+<!--- If describing a bug, tell us what happens instead of the expected behavior -->
+<!--- If suggesting a change/improvement, explain the difference from current behavior -->
+
+## Steps to Reproduce (for bugs)
+<!--- Provide a link to a live example, or an unambiguous set of steps to -->
+<!--- reproduce this bug. Include code to reproduce, if relevant -->
+
+## Context
+<!--- How has this issue affected you? What are you trying to accomplish? -->
+<!--- Providing context helps us come up with a solution that is most useful in the real world -->
+
+## Your Environment
+<!--- Include as many relevant details about the environment you experienced the bug in -->
+* Package version:
+* Browser name and version:
+* OS version (desktop or mobile):
+* Link to your project:
+
+## Possible Solution
+<!--- Not obligatory, but suggest a fix/reason for the bug, -->
+<!--- or ideas how to implement the addition or change -->
diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
new file mode 100644
index 0000000..656f0c5
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -0,0 +1,22 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: a:feature
+assignees: ''
+
+---
+
+<!--- Provide a general summary of the issue in the title above -->
+
+## Expected Behavior
+<!--- If you're describing a bug, tell us what should happen -->
+<!--- If you're suggesting a change/improvement, tell us how it should work -->
+
+## Context
+<!--- How has this issue affected you? What are you trying to accomplish? -->
+<!--- Providing context helps us come up with a solution that is most useful in the real world -->
+
+## Possible Solution
+<!--- Not obligatory, but suggest a fix/reason for the bug, -->
+<!--- or ideas how to implement the addition or change -->
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..564cff5
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,28 @@
+<!--- Provide a general summary of your changes in the Title above -->
+
+## Description
+<!--- Describe your changes in detail -->
+
+## Motivation and Context
+<!--- Why is this change required? What problem does it solve? -->
+<!--- If it fixes an open issue, please link to the issue here. -->
+
+## How Has This Been Tested?
+<!--- Please describe in detail how you tested your changes. -->
+<!--- Include details of your testing environment, and the tests you ran to -->
+<!--- see how your change affects other areas of the code, etc. -->
+
+## Types of changes
+<!--- What types of changes does your code introduce? Put an `x` in all the boxes that apply: -->
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to change)
+
+## Checklist:
+<!--- Go over all the following points, and put an `x` in all the boxes that apply. -->
+<!--- If you're unsure about any of these, don't hesitate to ask. We're here to help! -->
+- [ ] `npm run lint` passes without errors
+- [ ] `npm run test` passes without errors
+- [ ] I have read the [contribution guidelines](CONTRIBUTING.md)
+- [ ] I have updated the documentation accordingly
+- [ ] I have added tests to cover my changes
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 09e9109..9a4edbf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,3 +36,13 @@ jobs:
       - name: Run browser tests in Saucelabs
         run: npm run test-ci
         timeout-minutes: 5
+      - name: Install lcov
+        run: |
+          sudo apt update
+          sudo apt install lcov
+      - name: Merge lcov reports
+        run: find coverage -name lcov.info -exec echo -a \"{}\" \; | xargs lcov -o coverage/lcov.info
+      - name: Coveralls
+        uses: coverallsapp/github-action@master
+        with:
+          github-token: ${{ secrets.github_token }}
diff --git a/karma.conf.js b/karma.conf.js
index e57339f..efa7093 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -6,18 +6,28 @@ module.exports = function (config) {
             'stackframe.js',
             'spec/*-spec.js'
         ],
-        reporters: ['spec'],
         port: 9876,
         colors: true,
         logLevel: config.LOG_INFO,
         autoWatch: true,
         customLaunchers: {
-            Chrome_Travis: {
+            Chrome_No_Sandbox: {
                 base: 'Chrome',
                 flags: ['--no-sandbox']
             }
         },
         browsers: ['PhantomJS'],
+        reporters: ['spec', 'saucelabs', 'coverage', 'coveralls'],
+        preprocessors: {
+            'stackframe.js': 'coverage'
+        },
+        coverageReporter: {
+            type: 'lcov',
+            dir: 'coverage',
+            subdir: function(browser) {
+                return browser.toLowerCase().split(/[ /-]/)[0];
+            }
+        },
         singleRun: false
     });
 };
diff --git a/package-lock.json b/package-lock.json
index c4197d4..5010c3a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,29 +1,29 @@
 {
   "name": "stackframe",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "stackframe",
-      "version": "1.2.0",
+      "version": "1.3.0",
       "license": "MIT",
       "devDependencies": {
-        "eslint": "^8.9.0",
-        "jasmine": "^4.0.2",
-        "jasmine-core": "^4.0.0",
-        "karma": "^6.3.16",
-        "karma-chrome-launcher": "^3.1.0",
+        "eslint": "^8.17.0",
+        "jasmine": "^4.1.0",
+        "jasmine-core": "^4.1.1",
+        "karma": "^6.3.20",
+        "karma-chrome-launcher": "^3.1.1",
         "karma-coverage": "^2.2.0",
         "karma-coveralls": "^2.1.0",
         "karma-firefox-launcher": "^2.1.2",
         "karma-ie-launcher": "^1.0.0",
-        "karma-jasmine": "^4.0.1",
+        "karma-jasmine": "^4.0.2",
         "karma-opera-launcher": "^1.0.0",
         "karma-phantomjs-launcher": "^1.0.4",
         "karma-safari-launcher": "^1.0.0",
         "karma-sauce-launcher": "^4.3.6",
-        "karma-spec-reporter": "^0.0.33",
+        "karma-spec-reporter": "^0.0.34",
         "uglify-es": "^3.3.9"
       }
     },
@@ -360,20 +360,29 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@colors/colors": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/@colors/colors/-/colors-1.5.0.tgz",
+      "integrity": "sha512-ooWCrlZP11i8GImSjTHYHLkvFDP48nS4+204nGb1RiX/WXYHmJA2III9/e2DWVabCESdW7hBAEzHRqUn9OUVvQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.1.90"
+      }
+    },
     "node_modules/@eslint/eslintrc": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.1.0.tgz",
-      "integrity": "sha512-C1DfL7XX4nPqGd6jcP01W9pVM1HYCuUkFk1432D7F0v3JSlUIeOYn9oCoi3eoLZ+iwBSb29BMFxxny0YrrEZqg==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.3.0.tgz",
+      "integrity": "sha512-UWW0TMTmk2d7hLcWD1/e2g5HDM/HQ3csaLSqXCfqwh4uNDuNqlaKWXmEsL4Cs41Z0KnILNvwbHAah3C2yt06kw==",
       "dev": true,
       "dependencies": {
         "ajv": "^6.12.4",
         "debug": "^4.3.2",
-        "espree": "^9.3.1",
-        "globals": "^13.9.0",
-        "ignore": "^4.0.6",
+        "espree": "^9.3.2",
+        "globals": "^13.15.0",
+        "ignore": "^5.2.0",
         "import-fresh": "^3.2.1",
         "js-yaml": "^4.1.0",
-        "minimatch": "^3.0.4",
+        "minimatch": "^3.1.2",
         "strip-json-comments": "^3.1.1"
       },
       "engines": {
@@ -386,15 +395,6 @@
       "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
       "dev": true
     },
-    "node_modules/@eslint/eslintrc/node_modules/ignore": {
-      "version": "4.0.6",
-      "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
-      "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==",
-      "dev": true,
-      "engines": {
-        "node": ">= 4"
-      }
-    },
     "node_modules/@eslint/eslintrc/node_modules/js-yaml": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
@@ -734,9 +734,9 @@
       }
     },
     "node_modules/acorn": {
-      "version": "8.7.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.0.tgz",
-      "integrity": "sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==",
+      "version": "8.7.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.1.tgz",
+      "integrity": "sha512-Xx54uLJQZ19lKygFXOWsscKUbsBZW0CPykPhVQdhIeIwrbPmJzqeASDInc8nKBnp/JT6igTs82qPXz069H8I/A==",
       "dev": true,
       "bin": {
         "acorn": "bin/acorn"
@@ -1959,12 +1959,6 @@
         "node": ">=4.0.0"
       }
     },
-    "node_modules/coveralls/node_modules/minimist": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
-      "dev": true
-    },
     "node_modules/crc-32": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.2.1.tgz",
@@ -2779,12 +2773,12 @@
       }
     },
     "node_modules/eslint": {
-      "version": "8.9.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.9.0.tgz",
-      "integrity": "sha512-PB09IGwv4F4b0/atrbcMFboF/giawbBLVC7fyDamk5Wtey4Jh2K+rYaBhCAbUyEI4QzB1ly09Uglc9iCtFaG2Q==",
+      "version": "8.17.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.17.0.tgz",
+      "integrity": "sha512-gq0m0BTJfci60Fz4nczYxNAlED+sMcihltndR8t9t1evnU/azx53x3t2UHXC/uRjcbvRw/XctpaNygSTcQD+Iw==",
       "dev": true,
       "dependencies": {
-        "@eslint/eslintrc": "^1.1.0",
+        "@eslint/eslintrc": "^1.3.0",
         "@humanwhocodes/config-array": "^0.9.2",
         "ajv": "^6.10.0",
         "chalk": "^4.0.0",
@@ -2795,14 +2789,14 @@
         "eslint-scope": "^7.1.1",
         "eslint-utils": "^3.0.0",
         "eslint-visitor-keys": "^3.3.0",
-        "espree": "^9.3.1",
+        "espree": "^9.3.2",
         "esquery": "^1.4.0",
         "esutils": "^2.0.2",
         "fast-deep-equal": "^3.1.3",
         "file-entry-cache": "^6.0.1",
         "functional-red-black-tree": "^1.0.1",
         "glob-parent": "^6.0.1",
-        "globals": "^13.6.0",
+        "globals": "^13.15.0",
         "ignore": "^5.2.0",
         "import-fresh": "^3.0.0",
         "imurmurhash": "^0.1.4",
@@ -2811,7 +2805,7 @@
         "json-stable-stringify-without-jsonify": "^1.0.1",
         "levn": "^0.4.1",
         "lodash.merge": "^4.6.2",
-        "minimatch": "^3.0.4",
+        "minimatch": "^3.1.2",
         "natural-compare": "^1.4.0",
         "optionator": "^0.9.1",
         "regexpp": "^3.2.0",
@@ -3069,13 +3063,13 @@
       }
     },
     "node_modules/espree": {
-      "version": "9.3.1",
-      "resolved": "https://registry.npmjs.org/espree/-/espree-9.3.1.tgz",
-      "integrity": "sha512-bvdyLmJMfwkV3NCRl5ZhJf22zBFo1y8bYh3VYb+bfzqNB4Je68P2sSuXyuFquzWLebHpNd2/d5uv7yoP9ISnGQ==",
+      "version": "9.3.2",
+      "resolved": "https://registry.npmjs.org/espree/-/espree-9.3.2.tgz",
+      "integrity": "sha512-D211tC7ZwouTIuY5x9XnS0E9sWNChB7IYKX/Xp5eQj3nFXhqmiUDB9q27y76oFl8jTg3pXcQx/bpxMfs3CIZbA==",
       "dev": true,
       "dependencies": {
-        "acorn": "^8.7.0",
-        "acorn-jsx": "^5.3.1",
+        "acorn": "^8.7.1",
+        "acorn-jsx": "^5.3.2",
         "eslint-visitor-keys": "^3.3.0"
       },
       "engines": {
@@ -3640,7 +3634,7 @@
     "node_modules/glob-parent": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-3.1.0.tgz",
-      "integrity": "sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=",
+      "integrity": "sha512-E8Ak/2+dZY6fnzlR7+ueWvhsH1SjHr4jjss4YS/h4py44jY9MhK/VFdaZJAWDz6BbL21KeteKxFSFpq8OS5gVA==",
       "dev": true,
       "dependencies": {
         "is-glob": "^3.1.0",
@@ -3650,7 +3644,7 @@
     "node_modules/glob-stream": {
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/glob-stream/-/glob-stream-6.1.0.tgz",
-      "integrity": "sha1-cEXJlBOz65SIjYOrRtC0BMx73eQ=",
+      "integrity": "sha512-uMbLGAP3S2aDOHUDfdoYcdIePUCfysbAd0IAoWVZbeGU/oNQ8asHVSshLDJUPWxfzj8zsCG7/XeHPHTtow0nsw==",
       "dev": true,
       "dependencies": {
         "extend": "^3.0.0",
@@ -3720,9 +3714,9 @@
       "dev": true
     },
     "node_modules/globals": {
-      "version": "13.12.1",
-      "resolved": "https://registry.npmjs.org/globals/-/globals-13.12.1.tgz",
-      "integrity": "sha512-317dFlgY2pdJZ9rspXDks7073GpDmXdfbM3vYYp0HAMKGDh1FfWPleI2ljVNLQX5M5lXcAslTcPTrOrMEFOjyw==",
+      "version": "13.15.0",
+      "resolved": "https://registry.npmjs.org/globals/-/globals-13.15.0.tgz",
+      "integrity": "sha512-bpzcOlgDhMG070Av0Vy5Owklpv1I6+j96GhUI7Rh7IzDCKLzboflLrrfqMu8NquDbiR4EOQk7XzJwqVJxicxog==",
       "dev": true,
       "dependencies": {
         "type-fest": "^0.20.2"
@@ -4434,22 +4428,22 @@
       }
     },
     "node_modules/jasmine": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/jasmine/-/jasmine-4.0.2.tgz",
-      "integrity": "sha512-YsrgxJQEggxzByYe4j68eQLOiQeSrPDYGv4sHhGBp3c6HHdq+uPXeAQ73kOAQpdLZ3/0zN7x/TZTloqeE1/qIA==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/jasmine/-/jasmine-4.1.0.tgz",
+      "integrity": "sha512-4VhjbUgwfNS9CBnUMoSWr9tdNgOoOhNIjAD8YRxTn+PmOf4qTSC0Uqhk66dWGnz2vJxtNIU0uBjiwnsp4Ud9VA==",
       "dev": true,
       "dependencies": {
         "glob": "^7.1.6",
-        "jasmine-core": "^4.0.0"
+        "jasmine-core": "^4.1.0"
       },
       "bin": {
         "jasmine": "bin/jasmine.js"
       }
     },
     "node_modules/jasmine-core": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/jasmine-core/-/jasmine-core-4.0.0.tgz",
-      "integrity": "sha512-tq24OCqHElgU9KDpb/8O21r1IfotgjIzalfW9eCmRR40LZpvwXT68iariIyayMwi0m98RDt16aljdbwK0sBMmQ==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/jasmine-core/-/jasmine-core-4.1.1.tgz",
+      "integrity": "sha512-lmUfT5XcK9KKvt3lLYzn93hc4MGzlUBowExFVgzbSW0ZCrdeyS574dfsyfRhxbg81Wj4gk+RxUiTnj7KBfDA1g==",
       "dev": true
     },
     "node_modules/js-tokens": {
@@ -4534,12 +4528,6 @@
         "node": ">=6"
       }
     },
-    "node_modules/json5/node_modules/minimist": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
-      "dev": true
-    },
     "node_modules/jsonfile": {
       "version": "2.4.0",
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-2.4.0.tgz",
@@ -4565,15 +4553,15 @@
       }
     },
     "node_modules/karma": {
-      "version": "6.3.16",
-      "resolved": "https://registry.npmjs.org/karma/-/karma-6.3.16.tgz",
-      "integrity": "sha512-nEU50jLvDe5yvXqkEJRf8IuvddUkOY2x5Xc4WXHz6dxINgGDrgD2uqQWeVrJs4hbfNaotn+HQ1LZJ4yOXrL7xQ==",
+      "version": "6.3.20",
+      "resolved": "https://registry.npmjs.org/karma/-/karma-6.3.20.tgz",
+      "integrity": "sha512-HRNQhMuKOwKpjYlWiJP0DUrJOh+QjaI/DTaD8b9rEm4Il3tJ8MijutVZH4ts10LuUFst/CedwTS6vieCN8yTSw==",
       "dev": true,
       "dependencies": {
+        "@colors/colors": "1.5.0",
         "body-parser": "^1.19.0",
         "braces": "^3.0.2",
         "chokidar": "^3.5.1",
-        "colors": "1.4.0",
         "connect": "^3.7.0",
         "di": "^0.0.1",
         "dom-serialize": "^2.2.1",
@@ -4589,7 +4577,7 @@
         "qjobs": "^1.2.0",
         "range-parser": "^1.2.1",
         "rimraf": "^3.0.2",
-        "socket.io": "^4.2.0",
+        "socket.io": "^4.4.1",
         "source-map": "^0.6.1",
         "tmp": "^0.2.1",
         "ua-parser-js": "^0.7.30",
@@ -4603,9 +4591,9 @@
       }
     },
     "node_modules/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==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/karma-chrome-launcher/-/karma-chrome-launcher-3.1.1.tgz",
+      "integrity": "sha512-hsIglcq1vtboGPAN+DGCISCFOxW+ZVnIqhDQcCMqqCp+4dmJ0Qpq5QAjkbA0X2L9Mi6OBkHi2Srrbmm7pUKkzQ==",
       "dev": true,
       "dependencies": {
         "which": "^1.2.1"
@@ -4678,9 +4666,9 @@
       }
     },
     "node_modules/karma-jasmine": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/karma-jasmine/-/karma-jasmine-4.0.1.tgz",
-      "integrity": "sha512-h8XDAhTiZjJKzfkoO1laMH+zfNlra+dEQHUAjpn5JV1zCPtOIVWGQjLBrqhnzQa/hrU2XrZwSyBa6XjEBzfXzw==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/karma-jasmine/-/karma-jasmine-4.0.2.tgz",
+      "integrity": "sha512-ggi84RMNQffSDmWSyyt4zxzh2CQGwsxvYYsprgyR1j8ikzIduEdOlcLvXjZGwXG/0j41KUXOWsUCBfbEHPWP9g==",
       "dev": true,
       "dependencies": {
         "jasmine-core": "^3.6.0"
@@ -4744,9 +4732,9 @@
       }
     },
     "node_modules/karma-spec-reporter": {
-      "version": "0.0.33",
-      "resolved": "https://registry.npmjs.org/karma-spec-reporter/-/karma-spec-reporter-0.0.33.tgz",
-      "integrity": "sha512-xRVevDUkiIVhKbDQ3CmeGEpyzA4b3HeVl95Sx5yJAvurpdKUSYF6ZEbQOqKJ7vrtDniABV1hyFez9KX9+7ruBA==",
+      "version": "0.0.34",
+      "resolved": "https://registry.npmjs.org/karma-spec-reporter/-/karma-spec-reporter-0.0.34.tgz",
+      "integrity": "sha512-l5H/Nh9q4g2Ysx2CDU2m+NIPyLQpCVbk9c4V02BTZHw3NM6RO1dq3eRpKXCSSdPt4RGfhHk8jDt3XYkGp+5PWg==",
       "dev": true,
       "dependencies": {
         "colors": "1.4.0"
@@ -4807,14 +4795,15 @@
       "dev": true
     },
     "node_modules/lcov-result-merger": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/lcov-result-merger/-/lcov-result-merger-3.1.0.tgz",
-      "integrity": "sha512-vGXaMNGZRr4cYvW+xMVg+rg7qd5DX9SbGXl+0S3k85+gRZVK4K7UvxPWzKb/qiMwe+4bx3EOrW2o4mbdb1WnsA==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/lcov-result-merger/-/lcov-result-merger-3.2.0.tgz",
+      "integrity": "sha512-gE4b+2bIFoAfxkLi6OVCyawN+zJtzBCZV36rVKdHYl1ithsYxRvCjksOcF+nHHNz998dFHPDqjnht7dXRBRBzQ==",
       "dev": true,
       "dependencies": {
         "through2": "^2.0.3",
         "vinyl": "^2.1.0",
-        "vinyl-fs": "^3.0.2"
+        "vinyl-fs": "^3.0.2",
+        "yargs": "^16.2.0"
       },
       "bin": {
         "lcov-result-merger": "bin/lcov-result-merger.js"
@@ -5135,9 +5124,9 @@
       "dev": true
     },
     "node_modules/minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "dev": true,
       "dependencies": {
         "brace-expansion": "^1.1.7"
@@ -5146,6 +5135,12 @@
         "node": "*"
       }
     },
+    "node_modules/minimist": {
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
+      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
+      "dev": true
+    },
     "node_modules/mkdirp": {
       "version": "0.5.5",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
@@ -5164,12 +5159,6 @@
       "integrity": "sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A==",
       "dev": true
     },
-    "node_modules/mkdirp/node_modules/minimist": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
-      "dev": true
-    },
     "node_modules/ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
@@ -7804,20 +7793,26 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@colors/colors": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/@colors/colors/-/colors-1.5.0.tgz",
+      "integrity": "sha512-ooWCrlZP11i8GImSjTHYHLkvFDP48nS4+204nGb1RiX/WXYHmJA2III9/e2DWVabCESdW7hBAEzHRqUn9OUVvQ==",
+      "dev": true
+    },
     "@eslint/eslintrc": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.1.0.tgz",
-      "integrity": "sha512-C1DfL7XX4nPqGd6jcP01W9pVM1HYCuUkFk1432D7F0v3JSlUIeOYn9oCoi3eoLZ+iwBSb29BMFxxny0YrrEZqg==",
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.3.0.tgz",
+      "integrity": "sha512-UWW0TMTmk2d7hLcWD1/e2g5HDM/HQ3csaLSqXCfqwh4uNDuNqlaKWXmEsL4Cs41Z0KnILNvwbHAah3C2yt06kw==",
       "dev": true,
       "requires": {
         "ajv": "^6.12.4",
         "debug": "^4.3.2",
-        "espree": "^9.3.1",
-        "globals": "^13.9.0",
-        "ignore": "^4.0.6",
+        "espree": "^9.3.2",
+        "globals": "^13.15.0",
+        "ignore": "^5.2.0",
         "import-fresh": "^3.2.1",
         "js-yaml": "^4.1.0",
-        "minimatch": "^3.0.4",
+        "minimatch": "^3.1.2",
         "strip-json-comments": "^3.1.1"
       },
       "dependencies": {
@@ -7827,12 +7822,6 @@
           "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q==",
           "dev": true
         },
-        "ignore": {
-          "version": "4.0.6",
-          "resolved": "https://registry.npmjs.org/ignore/-/ignore-4.0.6.tgz",
-          "integrity": "sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==",
-          "dev": true
-        },
         "js-yaml": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
@@ -8113,9 +8102,9 @@
       }
     },
     "acorn": {
-      "version": "8.7.0",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.0.tgz",
-      "integrity": "sha512-V/LGr1APy+PXIwKebEWrkZPwoeoF+w1jiOBUmuxuiUIaOHtob8Qc9BTrYo7VuI5fR8tqsy+buA2WFooR5olqvQ==",
+      "version": "8.7.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.7.1.tgz",
+      "integrity": "sha512-Xx54uLJQZ19lKygFXOWsscKUbsBZW0CPykPhVQdhIeIwrbPmJzqeASDInc8nKBnp/JT6igTs82qPXz069H8I/A==",
       "dev": true
     },
     "acorn-jsx": {
@@ -9099,14 +9088,6 @@
         "log-driver": "^1.2.7",
         "minimist": "^1.2.0",
         "request": "^2.86.0"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "1.2.5",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
-          "dev": true
-        }
       }
     },
     "crc-32": {
@@ -9785,12 +9766,12 @@
       "dev": true
     },
     "eslint": {
-      "version": "8.9.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.9.0.tgz",
-      "integrity": "sha512-PB09IGwv4F4b0/atrbcMFboF/giawbBLVC7fyDamk5Wtey4Jh2K+rYaBhCAbUyEI4QzB1ly09Uglc9iCtFaG2Q==",
+      "version": "8.17.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.17.0.tgz",
+      "integrity": "sha512-gq0m0BTJfci60Fz4nczYxNAlED+sMcihltndR8t9t1evnU/azx53x3t2UHXC/uRjcbvRw/XctpaNygSTcQD+Iw==",
       "dev": true,
       "requires": {
-        "@eslint/eslintrc": "^1.1.0",
+        "@eslint/eslintrc": "^1.3.0",
         "@humanwhocodes/config-array": "^0.9.2",
         "ajv": "^6.10.0",
         "chalk": "^4.0.0",
@@ -9801,14 +9782,14 @@
         "eslint-scope": "^7.1.1",
         "eslint-utils": "^3.0.0",
         "eslint-visitor-keys": "^3.3.0",
-        "espree": "^9.3.1",
+        "espree": "^9.3.2",
         "esquery": "^1.4.0",
         "esutils": "^2.0.2",
         "fast-deep-equal": "^3.1.3",
         "file-entry-cache": "^6.0.1",
         "functional-red-black-tree": "^1.0.1",
         "glob-parent": "^6.0.1",
-        "globals": "^13.6.0",
+        "globals": "^13.15.0",
         "ignore": "^5.2.0",
         "import-fresh": "^3.0.0",
         "imurmurhash": "^0.1.4",
@@ -9817,7 +9798,7 @@
         "json-stable-stringify-without-jsonify": "^1.0.1",
         "levn": "^0.4.1",
         "lodash.merge": "^4.6.2",
-        "minimatch": "^3.0.4",
+        "minimatch": "^3.1.2",
         "natural-compare": "^1.4.0",
         "optionator": "^0.9.1",
         "regexpp": "^3.2.0",
@@ -9998,13 +9979,13 @@
       "dev": true
     },
     "espree": {
-      "version": "9.3.1",
-      "resolved": "https://registry.npmjs.org/espree/-/espree-9.3.1.tgz",
-      "integrity": "sha512-bvdyLmJMfwkV3NCRl5ZhJf22zBFo1y8bYh3VYb+bfzqNB4Je68P2sSuXyuFquzWLebHpNd2/d5uv7yoP9ISnGQ==",
+      "version": "9.3.2",
+      "resolved": "https://registry.npmjs.org/espree/-/espree-9.3.2.tgz",
+      "integrity": "sha512-D211tC7ZwouTIuY5x9XnS0E9sWNChB7IYKX/Xp5eQj3nFXhqmiUDB9q27y76oFl8jTg3pXcQx/bpxMfs3CIZbA==",
       "dev": true,
       "requires": {
-        "acorn": "^8.7.0",
-        "acorn-jsx": "^5.3.1",
+        "acorn": "^8.7.1",
+        "acorn-jsx": "^5.3.2",
         "eslint-visitor-keys": "^3.3.0"
       }
     },
@@ -10450,7 +10431,7 @@
     "glob-parent": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-3.1.0.tgz",
-      "integrity": "sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=",
+      "integrity": "sha512-E8Ak/2+dZY6fnzlR7+ueWvhsH1SjHr4jjss4YS/h4py44jY9MhK/VFdaZJAWDz6BbL21KeteKxFSFpq8OS5gVA==",
       "dev": true,
       "requires": {
         "is-glob": "^3.1.0",
@@ -10460,7 +10441,7 @@
     "glob-stream": {
       "version": "6.1.0",
       "resolved": "https://registry.npmjs.org/glob-stream/-/glob-stream-6.1.0.tgz",
-      "integrity": "sha1-cEXJlBOz65SIjYOrRtC0BMx73eQ=",
+      "integrity": "sha512-uMbLGAP3S2aDOHUDfdoYcdIePUCfysbAd0IAoWVZbeGU/oNQ8asHVSshLDJUPWxfzj8zsCG7/XeHPHTtow0nsw==",
       "dev": true,
       "requires": {
         "extend": "^3.0.0",
@@ -10517,9 +10498,9 @@
       }
     },
     "globals": {
-      "version": "13.12.1",
-      "resolved": "https://registry.npmjs.org/globals/-/globals-13.12.1.tgz",
-      "integrity": "sha512-317dFlgY2pdJZ9rspXDks7073GpDmXdfbM3vYYp0HAMKGDh1FfWPleI2ljVNLQX5M5lXcAslTcPTrOrMEFOjyw==",
+      "version": "13.15.0",
+      "resolved": "https://registry.npmjs.org/globals/-/globals-13.15.0.tgz",
+      "integrity": "sha512-bpzcOlgDhMG070Av0Vy5Owklpv1I6+j96GhUI7Rh7IzDCKLzboflLrrfqMu8NquDbiR4EOQk7XzJwqVJxicxog==",
       "dev": true,
       "requires": {
         "type-fest": "^0.20.2"
@@ -11052,19 +11033,19 @@
       }
     },
     "jasmine": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/jasmine/-/jasmine-4.0.2.tgz",
-      "integrity": "sha512-YsrgxJQEggxzByYe4j68eQLOiQeSrPDYGv4sHhGBp3c6HHdq+uPXeAQ73kOAQpdLZ3/0zN7x/TZTloqeE1/qIA==",
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/jasmine/-/jasmine-4.1.0.tgz",
+      "integrity": "sha512-4VhjbUgwfNS9CBnUMoSWr9tdNgOoOhNIjAD8YRxTn+PmOf4qTSC0Uqhk66dWGnz2vJxtNIU0uBjiwnsp4Ud9VA==",
       "dev": true,
       "requires": {
         "glob": "^7.1.6",
-        "jasmine-core": "^4.0.0"
+        "jasmine-core": "^4.1.0"
       }
     },
     "jasmine-core": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/jasmine-core/-/jasmine-core-4.0.0.tgz",
-      "integrity": "sha512-tq24OCqHElgU9KDpb/8O21r1IfotgjIzalfW9eCmRR40LZpvwXT68iariIyayMwi0m98RDt16aljdbwK0sBMmQ==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/jasmine-core/-/jasmine-core-4.1.1.tgz",
+      "integrity": "sha512-lmUfT5XcK9KKvt3lLYzn93hc4MGzlUBowExFVgzbSW0ZCrdeyS574dfsyfRhxbg81Wj4gk+RxUiTnj7KBfDA1g==",
       "dev": true
     },
     "js-tokens": {
@@ -11132,14 +11113,6 @@
       "dev": true,
       "requires": {
         "minimist": "^1.2.5"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "1.2.5",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
-          "dev": true
-        }
       }
     },
     "jsonfile": {
@@ -11164,15 +11137,15 @@
       }
     },
     "karma": {
-      "version": "6.3.16",
-      "resolved": "https://registry.npmjs.org/karma/-/karma-6.3.16.tgz",
-      "integrity": "sha512-nEU50jLvDe5yvXqkEJRf8IuvddUkOY2x5Xc4WXHz6dxINgGDrgD2uqQWeVrJs4hbfNaotn+HQ1LZJ4yOXrL7xQ==",
+      "version": "6.3.20",
+      "resolved": "https://registry.npmjs.org/karma/-/karma-6.3.20.tgz",
+      "integrity": "sha512-HRNQhMuKOwKpjYlWiJP0DUrJOh+QjaI/DTaD8b9rEm4Il3tJ8MijutVZH4ts10LuUFst/CedwTS6vieCN8yTSw==",
       "dev": true,
       "requires": {
+        "@colors/colors": "1.5.0",
         "body-parser": "^1.19.0",
         "braces": "^3.0.2",
         "chokidar": "^3.5.1",
-        "colors": "1.4.0",
         "connect": "^3.7.0",
         "di": "^0.0.1",
         "dom-serialize": "^2.2.1",
@@ -11188,7 +11161,7 @@
         "qjobs": "^1.2.0",
         "range-parser": "^1.2.1",
         "rimraf": "^3.0.2",
-        "socket.io": "^4.2.0",
+        "socket.io": "^4.4.1",
         "source-map": "^0.6.1",
         "tmp": "^0.2.1",
         "ua-parser-js": "^0.7.30",
@@ -11204,9 +11177,9 @@
       }
     },
     "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==",
+      "version": "3.1.1",
+      "resolved": "https://registry.npmjs.org/karma-chrome-launcher/-/karma-chrome-launcher-3.1.1.tgz",
+      "integrity": "sha512-hsIglcq1vtboGPAN+DGCISCFOxW+ZVnIqhDQcCMqqCp+4dmJ0Qpq5QAjkbA0X2L9Mi6OBkHi2Srrbmm7pUKkzQ==",
       "dev": true,
       "requires": {
         "which": "^1.2.1"
@@ -11269,9 +11242,9 @@
       }
     },
     "karma-jasmine": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/karma-jasmine/-/karma-jasmine-4.0.1.tgz",
-      "integrity": "sha512-h8XDAhTiZjJKzfkoO1laMH+zfNlra+dEQHUAjpn5JV1zCPtOIVWGQjLBrqhnzQa/hrU2XrZwSyBa6XjEBzfXzw==",
+      "version": "4.0.2",
+      "resolved": "https://registry.npmjs.org/karma-jasmine/-/karma-jasmine-4.0.2.tgz",
+      "integrity": "sha512-ggi84RMNQffSDmWSyyt4zxzh2CQGwsxvYYsprgyR1j8ikzIduEdOlcLvXjZGwXG/0j41KUXOWsUCBfbEHPWP9g==",
       "dev": true,
       "requires": {
         "jasmine-core": "^3.6.0"
@@ -11321,9 +11294,9 @@
       }
     },
     "karma-spec-reporter": {
-      "version": "0.0.33",
-      "resolved": "https://registry.npmjs.org/karma-spec-reporter/-/karma-spec-reporter-0.0.33.tgz",
-      "integrity": "sha512-xRVevDUkiIVhKbDQ3CmeGEpyzA4b3HeVl95Sx5yJAvurpdKUSYF6ZEbQOqKJ7vrtDniABV1hyFez9KX9+7ruBA==",
+      "version": "0.0.34",
+      "resolved": "https://registry.npmjs.org/karma-spec-reporter/-/karma-spec-reporter-0.0.34.tgz",
+      "integrity": "sha512-l5H/Nh9q4g2Ysx2CDU2m+NIPyLQpCVbk9c4V02BTZHw3NM6RO1dq3eRpKXCSSdPt4RGfhHk8jDt3XYkGp+5PWg==",
       "dev": true,
       "requires": {
         "colors": "1.4.0"
@@ -11369,14 +11342,15 @@
       "dev": true
     },
     "lcov-result-merger": {
-      "version": "3.1.0",
-      "resolved": "https://registry.npmjs.org/lcov-result-merger/-/lcov-result-merger-3.1.0.tgz",
-      "integrity": "sha512-vGXaMNGZRr4cYvW+xMVg+rg7qd5DX9SbGXl+0S3k85+gRZVK4K7UvxPWzKb/qiMwe+4bx3EOrW2o4mbdb1WnsA==",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/lcov-result-merger/-/lcov-result-merger-3.2.0.tgz",
+      "integrity": "sha512-gE4b+2bIFoAfxkLi6OVCyawN+zJtzBCZV36rVKdHYl1ithsYxRvCjksOcF+nHHNz998dFHPDqjnht7dXRBRBzQ==",
       "dev": true,
       "requires": {
         "through2": "^2.0.3",
         "vinyl": "^2.1.0",
-        "vinyl-fs": "^3.0.2"
+        "vinyl-fs": "^3.0.2",
+        "yargs": "^16.2.0"
       }
     },
     "lead": {
@@ -11638,14 +11612,20 @@
       "dev": true
     },
     "minimatch": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
-      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
       "dev": true,
       "requires": {
         "brace-expansion": "^1.1.7"
       }
     },
+    "minimist": {
+      "version": "1.2.6",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.6.tgz",
+      "integrity": "sha512-Jsjnk4bw3YJqYzbdyBiNsPWHPfO++UGG749Cxs6peCu5Xg4nrena6OVxOYxrQTqww0Jmwt+Ref8rggumkTLz9Q==",
+      "dev": true
+    },
     "mkdirp": {
       "version": "0.5.5",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
@@ -11653,14 +11633,6 @@
       "dev": true,
       "requires": {
         "minimist": "^1.2.5"
-      },
-      "dependencies": {
-        "minimist": {
-          "version": "1.2.5",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
-          "dev": true
-        }
       }
     },
     "mkdirp-classic": {
diff --git a/package.json b/package.json
index f750f4e..60d8fa8 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,7 @@
     "Victor Homyakov <vkhomyackov@gmail.com> (https://github.com/victor-homyakov)",
     "Oliver Salzburg (https://github.com/oliversalzburg)"
   ],
-  "version": "1.2.0",
+  "version": "1.3.0",
   "license": "MIT",
   "keywords": [
     "stacktrace",
@@ -20,21 +20,21 @@
     "url": "git://github.com/stacktracejs/stackframe.git"
   },
   "devDependencies": {
-    "eslint": "^8.9.0",
-    "jasmine": "^4.0.2",
-    "jasmine-core": "^4.0.0",
-    "karma": "^6.3.16",
-    "karma-chrome-launcher": "^3.1.0",
+    "eslint": "^8.17.0",
+    "jasmine": "^4.1.0",
+    "jasmine-core": "^4.1.1",
+    "karma": "^6.3.20",
+    "karma-chrome-launcher": "^3.1.1",
     "karma-coverage": "^2.2.0",
     "karma-coveralls": "^2.1.0",
     "karma-firefox-launcher": "^2.1.2",
     "karma-ie-launcher": "^1.0.0",
-    "karma-jasmine": "^4.0.1",
+    "karma-jasmine": "^4.0.2",
     "karma-opera-launcher": "^1.0.0",
     "karma-phantomjs-launcher": "^1.0.4",
     "karma-safari-launcher": "^1.0.0",
     "karma-sauce-launcher": "^4.3.6",
-    "karma-spec-reporter": "^0.0.33",
+    "karma-spec-reporter": "^0.0.34",
     "uglify-es": "^3.3.9"
   },
   "bugs": {
@@ -44,7 +44,7 @@
   "scripts": {
     "lint": "eslint",
     "test": "karma start karma.conf.js --single-run",
-    "test-pr": "karma start karma.conf.js --single-run --browsers Firefox,Chrome_Travis",
+    "test-pr": "karma start karma.conf.js --single-run --browsers Firefox,Chrome_No_Sandbox",
     "test-ci": "karma start karma.conf.ci.js --single-run",
     "prepare": "cp stackframe.js dist/ && uglifyjs stackframe.js -o dist/stackframe.min.js --compress --mangle --source-map \"url=stackframe.min.js.map\""
   }
diff --git a/stackframe.d.ts b/stackframe.d.ts
index 3b263f2..9d09145 100644
--- a/stackframe.d.ts
+++ b/stackframe.d.ts
@@ -1,12 +1,8 @@
-// Type definitions for StackFrame v1.2.0
+// Type definitions for StackFrame v1.3.0
 // Project: https://github.com/stacktracejs/stackframe
 // Definitions by: Eric Wendelin <https://www.eriwen.com>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-export as namespace StackFrame;  // global for non-module UMD users
-
-export = StackFrame;
-
 declare namespace StackFrame {
     export interface StackFrameOptions {
         isConstructor?: boolean;
@@ -72,3 +68,5 @@ declare class StackFrame {
 
     toString(): string;
 }
+
+export default StackFrame;