diff --git a/bin/polyline.bin.js b/bin/polyline.bin.js
index 6fd6ab9..caad98d 100755
--- a/bin/polyline.bin.js
+++ b/bin/polyline.bin.js
@@ -1,28 +1,62 @@
 #!/usr/bin/env node
 
+const meow = require('meow');
 const polyline = require('../');
 
-const HELP = 'Provide data from stdin and use with --decode (default), --encode, --toGeoJSON, or --fromGeoJSON. Optionally provide a precision with --precision=6\n';
+const cli = meow(
+  `
+  Provide data from stdin and use with --decode (default), --encode, --toGeoJSON, or --fromGeoJSON. Optionally provide precision.
+
+  Usage
+    $ cat file.json | polyline --fromGeoJSON > file.geojson
+  Options
+    --decode -d return an array of lat, lon pairs
+    --toGeoJSON return GeoJSON from string-encoded polyline
+    --encode -e return a string-encoded polyline
+    --fromGeoJSON return a string-encoded polyline from GeoJSON
+    --precision, -p set a precision.
+`,
+  {
+    flags: {
+      decode: {
+        type: 'boolean',
+        alias: 'd'
+      },
+      toGeoJSON: {
+        type: 'boolean'
+      },
+      encode: {
+        type: 'boolean',
+        alias: 'e'
+      },
+      fromGeoJSON: {
+        type: 'boolean'
+      },
+      precision: {
+        type: 'string',
+        alias: 'p'
+      }
+    }
+  }
+);
+
+const {
+  precision,
+  decode,
+  toGeoJSON,
+  toGeoJson,
+  encode,
+  fromGeoJSON,
+  fromGeoJson
+} = cli.flags;
+
+let p;
+
+if (precision) {
+  p = parseInt(precision, 10);
+}
 
-let precision = 5;
 let rawInput = '';
-const mode = process.argv[2] || '--decode';
-
-if (process.argv[3]) {
-  if (process.argv[3].startsWith('-p=')) {
-    precision = parseInt(process.argv[3].split('-p=').pop(), 10);
-  }
-  if (process.argv[3].startsWith('--precision=')) {
-    precision = parseInt(process.argv[3].split('--precision=').pop(), 10);
-  }
-}
-
-if (mode === '--help' || mode === '-h') {
-  exit();
-}
-
-process.stdin.setEncoding('utf8');
-
 process.stdin.on('readable', function() {
   const chunk = process.stdin.read();
   if (chunk !== null) {
@@ -31,27 +65,30 @@ process.stdin.on('readable', function() {
 });
 
 process.stdin.on('end', function() {
-  const converted = convert(rawInput, mode);
+  const converted = convert(rawInput);
   if (!converted) {
     exit();
   }
-  process.stdout.write(JSON.stringify(converted));
+  process.stdout.write(`${JSON.stringify(converted)}\n`);
 });
 
-function convert(rawString, mode) {
-  switch(mode) {
-    case '--decode' :
-      return polyline.decode(rawString, precision);
-    case '--encode' :
-      return polyline.encode(rawString, precision);
-    case '--toGeoJSON':
-      return polyline.toGeoJSON(rawString, precision);
-    case '--fromGeoJSON' :
-      return polyline.fromGeoJSON(JSON.parse(rawString), precision);
+function convert(rawString) {
+  if (encode) {
+    return polyline.encode(rawString, p);
   }
+
+  if (toGeoJSON || toGeoJson) {
+    return polyline.toGeoJSON(rawString, p);
+  }
+
+  if (fromGeoJSON || fromGeoJson) {
+    return polyline.fromGeoJSON(JSON.parse(rawString), p);
+  }
+
+  return polyline.decode(rawString, p);
 }
 
 function exit() {
-  process.stdout.write(HELP);
+  process.stdout.write(cli.showHelp());
   process.exit();
 }
diff --git a/package-lock.json b/package-lock.json
index 8e928a6..bd9e9b1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -72,6 +72,16 @@
         "sprintf-js": "~1.0.2"
       }
     },
+    "array-find-index": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
+      "integrity": "sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E="
+    },
+    "arrify": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/arrify/-/arrify-1.0.1.tgz",
+      "integrity": "sha1-iYUI2iIm84DfkEcoRWhJwVAaSw0="
+    },
     "asn1": {
       "version": "0.2.4",
       "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
@@ -198,6 +208,21 @@
       "integrity": "sha1-r6uWJikQp/M8GaV3WCXGnzTjUMo=",
       "dev": true
     },
+    "camelcase": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+      "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0="
+    },
+    "camelcase-keys": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-4.2.0.tgz",
+      "integrity": "sha1-oqpfsa9oh1glnDLBQUJteJI7m3c=",
+      "requires": {
+        "camelcase": "^4.1.0",
+        "map-obj": "^2.0.0",
+        "quick-lru": "^1.0.0"
+      }
+    },
     "caseless": {
       "version": "0.12.0",
       "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
@@ -361,6 +386,14 @@
         "which": "^1.2.9"
       }
     },
+    "currently-unhandled": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/currently-unhandled/-/currently-unhandled-0.4.1.tgz",
+      "integrity": "sha1-mI3zP+qxke95mmE2nddsF635V+o=",
+      "requires": {
+        "array-find-index": "^1.0.1"
+      }
+    },
     "dashdash": {
       "version": "1.14.1",
       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
@@ -379,6 +412,27 @@
         "ms": "^2.1.1"
       }
     },
+    "decamelize": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
+    },
+    "decamelize-keys": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/decamelize-keys/-/decamelize-keys-1.1.0.tgz",
+      "integrity": "sha1-0XGoeTMlKAfrPLYdwcFEXQeN8tk=",
+      "requires": {
+        "decamelize": "^1.1.0",
+        "map-obj": "^1.0.0"
+      },
+      "dependencies": {
+        "map-obj": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/map-obj/-/map-obj-1.0.1.tgz",
+          "integrity": "sha1-2TPOuSBdgr3PSIb2dCvcK03qFG0="
+        }
+      }
+    },
     "deep-is": {
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
@@ -416,6 +470,14 @@
         "safer-buffer": "^2.1.0"
       }
     },
+    "error-ex": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
+      "integrity": "sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g==",
+      "requires": {
+        "is-arrayish": "^0.2.1"
+      }
+    },
     "escape-string-regexp": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
@@ -596,6 +658,14 @@
         "object-assign": "^4.0.1"
       }
     },
+    "find-up": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/find-up/-/find-up-2.1.0.tgz",
+      "integrity": "sha1-RdG35QbHF93UgndaK3eSCjwMV6c=",
+      "requires": {
+        "locate-path": "^2.0.0"
+      }
+    },
     "flat-cache": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-1.3.4.tgz",
@@ -703,8 +773,7 @@
     "graceful-fs": {
       "version": "4.1.15",
       "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.15.tgz",
-      "integrity": "sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==",
-      "dev": true
+      "integrity": "sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA=="
     },
     "growl": {
       "version": "1.10.5",
@@ -769,6 +838,11 @@
       "integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
       "dev": true
     },
+    "hosted-git-info": {
+      "version": "2.7.1",
+      "resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.7.1.tgz",
+      "integrity": "sha512-7T/BxH19zbcCTa8XkMlbK5lTo1WtgkFi3GvdWEyNuc4Vex7/9Dqbnpsf4JMydcfj9HCg4zUWFTL3Za6lapg5/w=="
+    },
     "http-signature": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
@@ -801,6 +875,11 @@
       "integrity": "sha1-khi5srkoojixPcT7a21XbyMUU+o=",
       "dev": true
     },
+    "indent-string": {
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/indent-string/-/indent-string-3.2.0.tgz",
+      "integrity": "sha1-Sl/W0nzDMvN+VBmlBNu4NxBckok="
+    },
     "inflight": {
       "version": "1.0.6",
       "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
@@ -839,12 +918,22 @@
         "through": "^2.3.6"
       }
     },
+    "is-arrayish": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.2.1.tgz",
+      "integrity": "sha1-d8mYQFJ6qOyxqLppe4BkWnqSap0="
+    },
     "is-fullwidth-code-point": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
       "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
       "dev": true
     },
+    "is-plain-obj": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-1.1.0.tgz",
+      "integrity": "sha1-caUMhCnfync8kqOQpKA7OfzVHT4="
+    },
     "is-promise": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/is-promise/-/is-promise-2.1.0.tgz",
@@ -903,6 +992,11 @@
       "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
       "dev": true
     },
+    "json-parse-better-errors": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz",
+      "integrity": "sha512-mrqyZKfX5EhL7hvqcV6WG1yYjnjeuYDzDhhcAAUrq8Po85NBQBJP+ZDUT75qZQ98IkUoBqdkExkukOU7Ts2wrw=="
+    },
     "json-schema": {
       "version": "0.2.3",
       "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
@@ -955,6 +1049,26 @@
         "type-check": "~0.3.2"
       }
     },
+    "load-json-file": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-4.0.0.tgz",
+      "integrity": "sha1-L19Fq5HjMhYjT9U62rZo607AmTs=",
+      "requires": {
+        "graceful-fs": "^4.1.2",
+        "parse-json": "^4.0.0",
+        "pify": "^3.0.0",
+        "strip-bom": "^3.0.0"
+      }
+    },
+    "locate-path": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-2.0.0.tgz",
+      "integrity": "sha1-K1aLJl7slExtnA3pw9u7ygNUzY4=",
+      "requires": {
+        "p-locate": "^2.0.0",
+        "path-exists": "^3.0.0"
+      }
+    },
     "lodash": {
       "version": "4.17.11",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
@@ -967,6 +1081,15 @@
       "integrity": "sha512-U7KCmLdqsGHBLeWqYlFA0V0Sl6P08EE1ZrmA9cxjUE0WVqT9qnyVDPz1kzpFEP0jdJuFnasWIfSd7fsaNXkpbg==",
       "dev": true
     },
+    "loud-rejection": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmjs.org/loud-rejection/-/loud-rejection-1.6.0.tgz",
+      "integrity": "sha1-W0b4AUft7leIcPCG0Eghz5mOVR8=",
+      "requires": {
+        "currently-unhandled": "^0.4.1",
+        "signal-exit": "^3.0.0"
+      }
+    },
     "lru-cache": {
       "version": "4.1.5",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.5.tgz",
@@ -977,6 +1100,27 @@
         "yallist": "^2.1.2"
       }
     },
+    "map-obj": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/map-obj/-/map-obj-2.0.0.tgz",
+      "integrity": "sha1-plzSkIepJZi4eRJXpSPgISIqwfk="
+    },
+    "meow": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/meow/-/meow-5.0.0.tgz",
+      "integrity": "sha512-CbTqYU17ABaLefO8vCU153ZZlprKYWDljcndKKDCFcYQITzWCXZAVk4QMFZPgvzrnUQ3uItnIE/LoUOwrT15Ig==",
+      "requires": {
+        "camelcase-keys": "^4.0.0",
+        "decamelize-keys": "^1.0.0",
+        "loud-rejection": "^1.0.0",
+        "minimist-options": "^3.0.1",
+        "normalize-package-data": "^2.3.4",
+        "read-pkg-up": "^3.0.0",
+        "redent": "^2.0.0",
+        "trim-newlines": "^2.0.0",
+        "yargs-parser": "^10.0.0"
+      }
+    },
     "mime-db": {
       "version": "1.40.0",
       "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.40.0.tgz",
@@ -1013,6 +1157,15 @@
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
       "dev": true
     },
+    "minimist-options": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/minimist-options/-/minimist-options-3.0.2.tgz",
+      "integrity": "sha512-FyBrT/d0d4+uiZRbqznPXqw3IpZZG3gl3wKWiX784FycUKVwBt0uLBFkQrtE4tZOrgo78nZp2jnKz3L65T5LdQ==",
+      "requires": {
+        "arrify": "^1.0.1",
+        "is-plain-obj": "^1.1.0"
+      }
+    },
     "minipass": {
       "version": "2.3.5",
       "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.3.5.tgz",
@@ -1058,6 +1211,17 @@
       "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
       "dev": true
     },
+    "normalize-package-data": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
+      "integrity": "sha512-/5CMN3T0R4XTj4DcGaexo+roZSdSFW/0AOOTROrjxzCG1wrWXEsGbRKevjlIL+ZDE4sZlJr5ED4YW0yqmkK+eA==",
+      "requires": {
+        "hosted-git-info": "^2.1.4",
+        "resolve": "^1.10.0",
+        "semver": "2 || 3 || 4 || 5",
+        "validate-npm-package-license": "^3.0.1"
+      }
+    },
     "nyc": {
       "version": "11.9.0",
       "resolved": "https://registry.npmjs.org/nyc/-/nyc-11.9.0.tgz",
@@ -3767,6 +3931,41 @@
         "own-or": "^1.0.0"
       }
     },
+    "p-limit": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+      "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+      "requires": {
+        "p-try": "^1.0.0"
+      }
+    },
+    "p-locate": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+      "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+      "requires": {
+        "p-limit": "^1.1.0"
+      }
+    },
+    "p-try": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+      "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M="
+    },
+    "parse-json": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
+      "integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
+      "requires": {
+        "error-ex": "^1.3.1",
+        "json-parse-better-errors": "^1.0.1"
+      }
+    },
+    "path-exists": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+      "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU="
+    },
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
@@ -3779,12 +3978,30 @@
       "integrity": "sha1-NlQX3t5EQw0cEa9hAn+s8HS9/FM=",
       "dev": true
     },
+    "path-parse": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
+      "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw=="
+    },
+    "path-type": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
+      "integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
+      "requires": {
+        "pify": "^3.0.0"
+      }
+    },
     "performance-now": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
       "dev": true
     },
+    "pify": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
+      "integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
+    },
     "pluralize": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/pluralize/-/pluralize-7.0.0.tgz",
@@ -3833,6 +4050,30 @@
       "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
       "dev": true
     },
+    "quick-lru": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/quick-lru/-/quick-lru-1.1.0.tgz",
+      "integrity": "sha1-Q2CxfGETatOAeDl/8RQW4Ybc+7g="
+    },
+    "read-pkg": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-3.0.0.tgz",
+      "integrity": "sha1-nLxoaXj+5l0WwA4rGcI3/Pbjg4k=",
+      "requires": {
+        "load-json-file": "^4.0.0",
+        "normalize-package-data": "^2.3.2",
+        "path-type": "^3.0.0"
+      }
+    },
+    "read-pkg-up": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-3.0.0.tgz",
+      "integrity": "sha1-PtSWaF26D4/hGNBpHcUfSh/5bwc=",
+      "requires": {
+        "find-up": "^2.0.0",
+        "read-pkg": "^3.0.0"
+      }
+    },
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       "version": "2.3.6",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
@@ -3848,6 +4089,15 @@
         "util-deprecate": "~1.0.1"
       }
     },
+    "redent": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/redent/-/redent-2.0.0.tgz",
+      "integrity": "sha1-wbIAe0LVfrE4kHmzyDM2OdXhzKo=",
+      "requires": {
+        "indent-string": "^3.0.0",
+        "strip-indent": "^2.0.0"
+      }
+    },
     "regexpp": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-1.1.0.tgz",
@@ -3892,6 +4142,14 @@
         "resolve-from": "^1.0.0"
       }
     },
+    "resolve": {
+      "version": "1.10.1",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.10.1.tgz",
+      "integrity": "sha512-KuIe4mf++td/eFb6wkaPbMDnP6kObCaEtIDuHOUED6MNUo4K670KZUHuuvYPZDxNF0WVLw49n06M2m2dXphEzA==",
+      "requires": {
+        "path-parse": "^1.0.6"
+      }
+    },
     "resolve-from": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-1.0.1.tgz",
@@ -3956,8 +4214,7 @@
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       "version": "5.7.0",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-      "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
-      "dev": true
+      "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA=="
     },
     "shebang-command": {
       "version": "1.2.0",
@@ -3977,8 +4234,7 @@
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
-      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
-      "dev": true
+      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
     },
     "slice-ansi": {
       "version": "1.0.0",
@@ -4005,6 +4261,34 @@
         "source-map": "^0.6.0"
       }
     },
+    "spdx-correct": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.0.tgz",
+      "integrity": "sha512-lr2EZCctC2BNR7j7WzJ2FpDznxky1sjfxvvYEyzxNyb6lZXHODmEoJeFu4JupYlkfha1KZpJyoqiJ7pgA1qq8Q==",
+      "requires": {
+        "spdx-expression-parse": "^3.0.0",
+        "spdx-license-ids": "^3.0.0"
+      }
+    },
+    "spdx-exceptions": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.2.0.tgz",
+      "integrity": "sha512-2XQACfElKi9SlVb1CYadKDXvoajPgBVPn/gOQLrTvHdElaVhr7ZEbqJaRnJLVNeaI4cMEAgVCeBMKF6MWRDCRA=="
+    },
+    "spdx-expression-parse": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-3.0.0.tgz",
+      "integrity": "sha512-Yg6D3XpRD4kkOmTpdgbUiEJFKghJH03fiC1OPll5h/0sO6neh2jqRDVHOQ4o/LMea0tgCkbMgea5ip/e+MkWyg==",
+      "requires": {
+        "spdx-exceptions": "^2.1.0",
+        "spdx-license-ids": "^3.0.0"
+      }
+    },
+    "spdx-license-ids": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.4.tgz",
+      "integrity": "sha512-7j8LYJLeY/Yb6ACbQ7F76qy5jHkp0U6jgBfJsk97bwWlVUnUWsAgpyaCvo17h0/RQGnQ036tVDomiwoI4pDkQA=="
+    },
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -4070,6 +4354,16 @@
         }
       }
     },
+    "strip-bom": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+      "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM="
+    },
+    "strip-indent": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/strip-indent/-/strip-indent-2.0.0.tgz",
+      "integrity": "sha1-XvjbKV0B5u1sv3qrlpmNeCJSe2g="
+    },
     "strip-json-comments": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
@@ -4234,6 +4528,11 @@
         }
       }
     },
+    "trim-newlines": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/trim-newlines/-/trim-newlines-2.0.0.tgz",
+      "integrity": "sha1-tAPQuRvlDDMd/EuC7s6yLD3hbSA="
+    },
     "trivial-deferred": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/trivial-deferred/-/trivial-deferred-1.0.1.tgz",
@@ -4324,6 +4623,15 @@
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       "dev": true
     },
+    "validate-npm-package-license": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
+      "requires": {
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
+      }
+    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
@@ -4387,6 +4695,14 @@
       "resolved": "https://registry.npmjs.org/yapool/-/yapool-1.0.0.tgz",
       "integrity": "sha1-9pPymjFbUNmp2iZGp6ZkXJaYW2o=",
       "dev": true
+    },
+    "yargs-parser": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
+      "integrity": "sha512-VCIyR1wJoEBZUqk5PA+oOBF6ypbwh5aNB3I50guxAL/quggdfs4TtNHQrSazFA3fYZ+tEqfs0zIGlv0c/rgjbQ==",
+      "requires": {
+        "camelcase": "^4.1.0"
+      }
     }
   }
 }
diff --git a/package.json b/package.json
index d5351d8..74ad1e5 100644
--- a/package.json
+++ b/package.json
@@ -1,13 +1,15 @@
 {
-  "author": "Tom MacWright <tom@macwright.org> (http://macwright.org/)",
   "name": "@mapbox/polyline",
+  "author": "Mapbox",
   "description": "Polyline encoding and decoding",
   "version": "1.0.0",
   "repository": {
     "type": "git",
     "url": "git://github.com/mapbox/polyline.git"
   },
-  "dependencies": {},
+  "dependencies": {
+    "meow": "^5.0.0"
+  },
   "devDependencies": {
     "eslint": "^4.19.1",
     "tap": "^11.1.3"