diff --git a/gulpfile.js b/gulpfile.js
index 0899f5e..5a15fd3 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,10 +1,26 @@
-const gulp = require("gulp");
+const gulp   = require("gulp");
 const minify = require("gulp-minify");
-const strip = require("gulp-strip-comments");
+const strip  = require("gulp-strip-comments");
+const rollup = require("gulp-rollup-2").rollup;
 
 gulp.task("default", function build() {
     return gulp.src("./src/testit.js")
+        .pipe(rollup({
+            input: "./src/testit.js",
+            output: [
+                {
+                    file: "testit.js",
+                    name: "es",
+                    format: "es"
+                },
+                {
+                    file: "testit.umd.js",
+                    name: "umd",
+                    format: "umd"
+                },
+            ]
+        }))
         .pipe(strip({safe: true}))
         .pipe(minify({ext: {min: ".min.js"}}))
         .pipe(gulp.dest("dist"))
-});
\ No newline at end of file
+});
diff --git a/package-lock.json b/package-lock.json
index 42fcf05..2881b32 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,9 +1,119 @@
 {
   "name": "testit",
-  "version": "0.8.2",
+  "version": "0.9.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.10.4.tgz",
+      "integrity": "sha512-vG6SvB6oYEhvgisZNFRmRCUkLz11c7rp+tbNTynGqc6mS1d5ATd/sGyV6W0KZZnXRKMTzZDRgQT3Ou9jhpAfUg==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.10.4"
+      }
+    },
+    "@babel/helper-validator-identifier": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz",
+      "integrity": "sha512-3U9y+43hz7ZM+rzG24Qe2mufW5KhvFg/NhnNph+i9mgCtdTCtMJuI1TMkrIUiK7Ix4PYlRF9I5dhqaLYA/ADXw==",
+      "dev": true
+    },
+    "@babel/highlight": {
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.10.4.tgz",
+      "integrity": "sha512-i6rgnR/YgPEQzZZnbTHHuZdlE8qyoBNalD6F+q4vAFlcMEcqmkoG+mPqJYJCo63qPf74+Y1UZsl3l6f7/RIkmA==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-validator-identifier": "^7.10.4",
+        "chalk": "^2.0.0",
+        "js-tokens": "^4.0.0"
+      },
+      "dependencies": {
+        "chalk": {
+          "version": "2.4.2",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+          "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.1",
+            "escape-string-regexp": "^1.0.5",
+            "supports-color": "^5.3.0"
+          }
+        }
+      }
+    },
+    "@eslint/eslintrc": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-0.1.3.tgz",
+      "integrity": "sha512-4YVwPkANLeNtRjMekzux1ci8hIaH5eGKktGqR0d3LWsKNn5B2X/1Z6Trxy7jQXl9EBGE6Yj02O+t09FMeRllaA==",
+      "dev": true,
+      "requires": {
+        "ajv": "^6.12.4",
+        "debug": "^4.1.1",
+        "espree": "^7.3.0",
+        "globals": "^12.1.0",
+        "ignore": "^4.0.6",
+        "import-fresh": "^3.2.1",
+        "js-yaml": "^3.13.1",
+        "lodash": "^4.17.19",
+        "minimatch": "^3.0.4",
+        "strip-json-comments": "^3.1.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        },
+        "strip-json-comments": {
+          "version": "3.1.1",
+          "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.1.tgz",
+          "integrity": "sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==",
+          "dev": true
+        }
+      }
+    },
+    "@types/color-name": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
+      "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==",
+      "dev": true
+    },
+    "acorn": {
+      "version": "7.4.0",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.4.0.tgz",
+      "integrity": "sha512-+G7P8jJmCHr+S+cLfQxygbWhXy+8YTVGzAkpEbcLo2mLoL7tij/VG41QSHACSf5QgYRhMZYHuNc6drJaO0Da+w==",
+      "dev": true
+    },
+    "acorn-jsx": {
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.3.1.tgz",
+      "integrity": "sha512-K0Ptm/47OKfQRpNQ2J/oIN/3QYiK6FwW+eJbILhsdxh2WTLdl+30o8aGdTbm5JbffpFFAg/g+zi1E+jvJha5ng==",
+      "dev": true
+    },
+    "ajv": {
+      "version": "6.12.4",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.4.tgz",
+      "integrity": "sha512-eienB2c9qVQs2KWexhkrdMLVDoIQCz5KSeLxwg9Lzk4DOfBtIK9PQwwufcsn1jjGuf9WZmqPMbGxOzfcuphJCQ==",
+      "dev": true,
+      "requires": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
     "ansi-colors": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-1.1.0.tgz",
@@ -46,6 +156,15 @@
       "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
       "dev": true
     },
+    "ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "dev": true,
+      "requires": {
+        "color-convert": "^1.9.0"
+      }
+    },
     "ansi-wrap": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
@@ -77,6 +196,15 @@
       "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
       "dev": true
     },
+    "argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "dev": true,
+      "requires": {
+        "sprintf-js": "~1.0.2"
+      }
+    },
     "arr-diff": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
@@ -191,6 +319,12 @@
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
       "dev": true
     },
+    "astral-regex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
+      "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
+      "dev": true
+    },
     "async-done": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/async-done/-/async-done-1.3.2.tgz",
@@ -386,12 +520,70 @@
         "unset-value": "^1.0.0"
       }
     },
+    "callsites": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
+      "integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==",
+      "dev": true
+    },
     "camelcase": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
       "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
       "dev": true
     },
+    "chalk": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.0.tgz",
+      "integrity": "sha512-qwx12AxXe2Q5xQ43Ac//I6v5aXTipYrSESdOgzrN+9XjgEpyjpKuvSGaN4qE93f7TQTlerQQ8S+EQ0EyDoVL1A==",
+      "dev": true,
+      "requires": {
+        "ansi-styles": "^4.1.0",
+        "supports-color": "^7.1.0"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "4.2.1",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.2.1.tgz",
+          "integrity": "sha512-9VGjrMsG1vePxcSweQsN20KY/c4zN0h9fLjqAbwbPfahM3t+NL+M9HC8xeXG2I8pX5NoamTGNuomEUFI7fcUjA==",
+          "dev": true,
+          "requires": {
+            "@types/color-name": "^1.1.1",
+            "color-convert": "^2.0.1"
+          }
+        },
+        "color-convert": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+          "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+          "dev": true,
+          "requires": {
+            "color-name": "~1.1.4"
+          }
+        },
+        "color-name": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
+          "dev": true
+        },
+        "has-flag": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+          "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
+          "dev": true
+        },
+        "supports-color": {
+          "version": "7.2.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+          "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^4.0.0"
+          }
+        }
+      }
+    },
     "chokidar": {
       "version": "2.1.8",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
@@ -443,16 +635,6 @@
         }
       }
     },
-    "cli": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/cli/-/cli-1.0.1.tgz",
-      "integrity": "sha1-IoF1NPJL+klQw01TLUjsvGIbjBQ=",
-      "dev": true,
-      "requires": {
-        "exit": "0.1.2",
-        "glob": "^7.1.1"
-      }
-    },
     "cliui": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
@@ -520,6 +702,21 @@
         "object-visit": "^1.0.0"
       }
     },
+    "color-convert": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+      "dev": true,
+      "requires": {
+        "color-name": "1.1.3"
+      }
+    },
+    "color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+      "dev": true
+    },
     "color-support": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
@@ -556,15 +753,6 @@
         "typedarray": "^0.0.6"
       }
     },
-    "console-browserify": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/console-browserify/-/console-browserify-1.1.0.tgz",
-      "integrity": "sha1-8CQcRXMKn8YyOyBtvzjtx0HQuxA=",
-      "dev": true,
-      "requires": {
-        "date-now": "^0.1.4"
-      }
-    },
     "convert-source-map": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.7.0.tgz",
@@ -596,6 +784,28 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
       "dev": true
     },
+    "cross-spawn": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
+      "integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+      "dev": true,
+      "requires": {
+        "path-key": "^3.1.0",
+        "shebang-command": "^2.0.0",
+        "which": "^2.0.1"
+      },
+      "dependencies": {
+        "which": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+          "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+          "dev": true,
+          "requires": {
+            "isexe": "^2.0.0"
+          }
+        }
+      }
+    },
     "d": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/d/-/d-1.0.1.tgz",
@@ -606,12 +816,6 @@
         "type": "^1.0.1"
       }
     },
-    "date-now": {
-      "version": "0.1.4",
-      "resolved": "https://registry.npmjs.org/date-now/-/date-now-0.1.4.tgz",
-      "integrity": "sha1-6vQ5/U1ISK105cx9vvIAZyueNFs=",
-      "dev": true
-    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -642,6 +846,12 @@
         "esprima": "4.0.1"
       }
     },
+    "deep-is": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
+      "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
+      "dev": true
+    },
     "default-compare": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/default-compare/-/default-compare-1.0.0.tgz",
@@ -721,53 +931,13 @@
       "integrity": "sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=",
       "dev": true
     },
-    "dom-serializer": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-0.2.2.tgz",
-      "integrity": "sha512-2/xPb3ORsQ42nHYiSunXkDjPLBaEj/xTwUO4B7XCZQTRk7EBtTOPaygh10YAAh2OI1Qrp6NWfpAhzswj0ydt9g==",
+    "doctrine": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
+      "integrity": "sha512-yS+Q5i3hBf7GBkd4KG8a7eBNNWNGLTaEwwYWUijIYM7zrlYDM0BFXHjjPWlWZ1Rg7UaddZeIDmi9jF3HmqiQ2w==",
       "dev": true,
       "requires": {
-        "domelementtype": "^2.0.1",
-        "entities": "^2.0.0"
-      },
-      "dependencies": {
-        "domelementtype": {
-          "version": "2.0.1",
-          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-2.0.1.tgz",
-          "integrity": "sha512-5HOHUDsYZWV8FGWN0Njbr/Rn7f/eWSQi1v7+HsUVwXgn8nWWlL64zKDkS0n8ZmQ3mlWOMuXOnR+7Nx/5tMO5AQ==",
-          "dev": true
-        },
-        "entities": {
-          "version": "2.0.2",
-          "resolved": "https://registry.npmjs.org/entities/-/entities-2.0.2.tgz",
-          "integrity": "sha512-dmD3AvJQBUjKpcNkoqr+x+IF0SdRtPz9Vk0uTy4yWqga9ibB6s4v++QFWNohjiUGoMlF552ZvNyXDxz5iW0qmw==",
-          "dev": true
-        }
-      }
-    },
-    "domelementtype": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.3.1.tgz",
-      "integrity": "sha512-BSKB+TSpMpFI/HOxCNr1O8aMOTZ8hT3pM3GQ0w/mWRmkhEDSFJkkyzz4XQsBV44BChwGkrDfMyjVD0eA2aFV3w==",
-      "dev": true
-    },
-    "domhandler": {
-      "version": "2.3.0",
-      "resolved": "https://registry.npmjs.org/domhandler/-/domhandler-2.3.0.tgz",
-      "integrity": "sha1-LeWaCCLVAn+r/28DLCsloqir5zg=",
-      "dev": true,
-      "requires": {
-        "domelementtype": "1"
-      }
-    },
-    "domutils": {
-      "version": "1.5.1",
-      "resolved": "https://registry.npmjs.org/domutils/-/domutils-1.5.1.tgz",
-      "integrity": "sha1-3NhIiib1Y9YQeeSMn3t+Mjc2gs8=",
-      "dev": true,
-      "requires": {
-        "dom-serializer": "0",
-        "domelementtype": "1"
+        "esutils": "^2.0.2"
       }
     },
     "duplexify": {
@@ -792,6 +962,12 @@
         "object.defaults": "^1.1.0"
       }
     },
+    "emoji-regex": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+      "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
+      "dev": true
+    },
     "end-of-stream": {
       "version": "1.4.4",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
@@ -801,11 +977,22 @@
         "once": "^1.4.0"
       }
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@@ -3071,6 +3749,15 @@
       "integrity": "sha512-aZwGpamFO61g3OlfT7OQCHqhGnW43ieH9WZeP7QxN/G/jS4jfqUkZxoryvJgVPEcrl5NL/ggHsSmLMHuH64Lhg==",
       "dev": true
     },
+    "uri-js": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.0.tgz",
+      "integrity": "sha512-B0yRTzYdUCCn9n+F4+Gh4yIDtMQcaJsmYBDsTSG8g/OejKBodLQ2IHfN3bM7jUsRXndopT7OIXWdYqc1fjmV6g==",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.0"
+      }
+    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -3089,6 +3776,12 @@
       "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
       "dev": true
     },
+    "v8-compile-cache": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.1.tgz",
+      "integrity": "sha512-8OQ9CL+VWyt3JStj7HX7/ciTL2V3Rl1Wf5OL+SNTm0yK1KvtReVulksyeRnCANHHuUxHlQig+JJDlUhBt1NQDQ==",
+      "dev": true
+    },
     "v8flags": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-3.1.3.tgz",
@@ -3168,6 +3861,15 @@
         "vinyl": "^2.0.0"
       }
     },
+    "vinyl-sourcemaps-apply": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/vinyl-sourcemaps-apply/-/vinyl-sourcemaps-apply-0.2.1.tgz",
+      "integrity": "sha1-q2VJ1h0XLCsbh75cUI0jnI74dwU=",
+      "dev": true,
+      "requires": {
+        "source-map": "^0.5.1"
+      }
+    },
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
@@ -3183,6 +3885,12 @@
       "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
       "dev": true
     },
+    "word-wrap": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
+      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
+      "dev": true
+    },
     "wrap-ansi": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
@@ -3199,6 +3907,15 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "write": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/write/-/write-1.0.3.tgz",
+      "integrity": "sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==",
+      "dev": true,
+      "requires": {
+        "mkdirp": "^0.5.1"
+      }
+    },
     "xtend": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
diff --git a/package.json b/package.json
index 399bda5..26b72a0 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "testit",
-  "version": "0.8.2",
-  "description": "a minimalistic testing library",
+  "version": "0.9.0",
+  "description": "minimalistic testing library",
   "main": "src/testit.js",
   "directories": {
     "test": "test"
@@ -15,6 +15,7 @@
     "eslint": "^7.8.1",
     "gulp": "^4.0.2",
     "gulp-minify": "^3.1.0",
+    "gulp-rollup-2": "^1.1.0",
     "gulp-strip-comments": "^2.5.2"
   },
   "repository": {
diff --git a/src/testit.js b/src/testit.js
index f567f53..ce5711e 100644
--- a/src/testit.js
+++ b/src/testit.js
@@ -1,105 +1,94 @@
-/*! Test.it v 0.8.0 | MIT | https://github.com/n2geoff/testit */
-;(function (root, factory) {
-    "use strict";
-    // support  browser & commonjs
-    if (typeof module === "object" && module.exports) {
-        module.exports = factory(root.test);
-    } else {
-        root.test = factory(root.test);
-    }
-}(this, function () {
-    "use strict";
+/*! Test.it v 0.9.0 | MIT | https://github.com/n2geoff/testit */
+const test = {
+    "log": console.log,
+    "_tests": {},
+    "run": function run(errors, next) {
+        // TODO: rewrite to allow a show errors flag (optional)
+        if(typeof errors !== "boolean") {
+            next = errors;
+            errors = true;
+        }
 
-    const test = {
-        "_tests": {},
-        "run": function run(errors, next) {
-            // TODO: rewrite to allow a show errors flag (optional)
-            if(typeof errors !== "boolean") {
-                next = errors;
-                errors = true;
-            }
+        let tests = this._tests || [];
+        // capture results
+        let failed = [];
+        let passed = [];
 
-            let tests = this._tests;
-            // capture results
-            let failed = [];
-            let passed = [];
+        // loop through tests
+        Object.keys(tests).forEach((name) => {
+            let test = tests[name];
 
-            // loop through tests
-            Object.keys(tests).forEach((name) => {
-                let test = tests[name];
-
-                // execute
-                try {
-                    test();
-                    passed.push(`\n+OK ${name}`);
-                } catch (err) {
-                    if (errors) {
-                        failed.push(`\n-ERR ${name} \n --- \n ${err.stack} \n ---`);
-                    } else {
-                        failed.push(`\n-ERR ${name}`);
-                    }
+            // execute
+            try {
+                test();
+                passed.push(`\n+OK ${name}`);
+            } catch (err) {
+                if (errors) {
+                    failed.push(`\n-ERR ${name} \n --- \n ${err.stack} \n ---`);
+                } else {
+                    failed.push(`\n-ERR ${name}`);
                 }
-            });
-
-            // summary
-            if(typeof next === "function") {
-                return next({
-                    pass: passed,
-                    fail: failed
-                });
-            } else {
-                console.log(...passed, ...failed);
-                console.log(`\n# tests ${failed.length + passed.length} pass ${passed.length} fail ${failed.length}`);
-
-                return failed.length ? false : true;
             }
-        },
-        "it": function it(tests) {
-            this._tests = tests;
-            return this;
-        },
-        "expects": function expects(val) {
-            return {
-                "to": {
-                    "be": {
-                        "a": (type) => { return test.expects(val).to.be.an(type); },
-                        "an": (type) => {
+        });
 
-                            if(['array'].indexOf(type) !== -1) {
-                                if(val.constructor.name.toLowerCase() !== 'array') {
-                                    throw new Error(`expected ${typeof val} to be an ${type}`);
-                                }
+        // summary
+        if(typeof next === "function") {
+            return next({
+                pass: passed,
+                fail: failed
+            });
+        } else {
+            test.log(...passed, ...failed);
+            test.log(`\n# tests ${failed.length + passed.length} pass ${passed.length} fail ${failed.length}`);
 
-                                return true;
-                            }
+            return failed.length ? false : true;
+        }
+    },
+    "it": function it(tests) {
+        this._tests = tests;
+        return this;
+    },
+    "expects": function expects(val) {
+        return {
+            "to": {
+                "be": {
+                    "a": (type) => { return test.expects(val).to.be.an(type); },
+                    "an": (type) => {
 
-                            if(typeof val !== type) {
+                        if(["array"].indexOf(type) !== -1) {
+                            if(val.constructor.name.toLowerCase() !== "array") {
                                 throw new Error(`expected ${typeof val} to be an ${type}`);
                             }
-                        },
-                        "ok": () => { return test.expects(val).to.exist(); },
-                        "like": (comp) => {
-                            if(val != comp) {
-                                throw new Error(`expected ${val} == ${comp}`);
-                            }
-                        }
-                    },
-                    "equal": (comp) => {
-                        if(val !== comp) {
-                            throw new Error(`expected ${val} === ${comp}`);
-                        }
-                    },
-                    "exist": () => {
-                        if(!val) {
-                            throw new Error(`expected ${val} to be truthy`);
-                        }
-                    },
-                    "pass": () => { return true; },
-                    "fail": (msg) => { throw new Error(msg); }
-                }
-            };
-        }
-    };
 
-    return test;
-}));
+                            return true;
+                        }
+
+                        if(typeof val !== type) {
+                            throw new Error(`expected ${typeof val} to be an ${type}`);
+                        }
+                    },
+                    "ok": () => { return test.expects(val).to.exist(); },
+                    "like": (comp) => {
+                        if(val != comp) {
+                            throw new Error(`expected ${val} == ${comp}`);
+                        }
+                    }
+                },
+                "equal": (comp) => {
+                    if(val !== comp) {
+                        throw new Error(`expected ${val} === ${comp}`);
+                    }
+                },
+                "exist": () => {
+                    if(!val) {
+                        throw new Error(`expected ${val} to be truthy`);
+                    }
+                },
+                "pass": () => { return true; },
+                "fail": (msg) => { throw new Error(msg); }
+            }
+        };
+    }
+};
+
+export default test;