diff --git a/.gitignore b/.gitignore
index 929c2ab..d9c79fe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+DefinitelyTyped/yarn.lock
 coverage/
 node_modules/
 ramda/
diff --git a/.travis.yml b/.travis.yml
index 0280d00..ef2a162 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,6 +16,7 @@ script:
 - yarn run test -- --ci --testPathPattern='/tests/ramda-tests.ts' --verbose=false
 - yarn run test -- --ci --testPathPattern='/tests/[a-z_]+.ts'
 - yarn run remap -- --check --list-different
+- yarn run test-dt
 
 after_success:
 - if [ "$TRAVIS_BRANCH" = "master" ] && [ "$TRAVIS_PULL_REQUEST" = "false" ]; then bash ./scripts/deploy.sh; fi
diff --git a/DefinitelyTyped/dt-header.txt b/DefinitelyTyped/dt-header.txt
new file mode 100644
index 0000000..0b8dbee
--- /dev/null
+++ b/DefinitelyTyped/dt-header.txt
@@ -0,0 +1,13 @@
+// Type definitions for ramda 0.24
+// Project: https://github.com/types/npm-ramda
+// Definitions by: Erwin Poeze <https://github.com/donnut>
+//                 Matt DeKrey <https://github.com/mdekrey>
+//                 Liam Goodacre <https://github.com/LiamGoodacre>
+//                 Matt Dziuban <https://github.com/mrdziuban>
+//                 Stephen King <https://github.com/sbking>
+//                 Alejandro Fernandez Haro <https://github.com/afharo>
+//                 Vítor Castro <https://github.com/teves-castro>
+//                 Jordan Quagliatini <https://github.com/1M0reBug>
+//                 Simon Højberg <https://github.com/hojberg>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.4
diff --git a/DefinitelyTyped/package.json b/DefinitelyTyped/package.json
new file mode 100644
index 0000000..f3b436e
--- /dev/null
+++ b/DefinitelyTyped/package.json
@@ -0,0 +1,11 @@
+{
+  "private": true,
+  "name": "definitely-typed",
+  "version": "0.0.0-dt",
+  "scripts": {
+    "lint": "dtslint types ramda"
+  },
+  "devDependencies": {
+    "dtslint": "Microsoft/dtslint#production"
+  }
+}
diff --git a/DefinitelyTyped/tsconfig.json b/DefinitelyTyped/tsconfig.json
new file mode 100644
index 0000000..0f57f25
--- /dev/null
+++ b/DefinitelyTyped/tsconfig.json
@@ -0,0 +1,15 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": ["es6"],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": ["../"],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": ["---auto-generated-from-scripts---"]
+}
diff --git a/DefinitelyTyped/tslint.json b/DefinitelyTyped/tslint.json
new file mode 100644
index 0000000..023d68b
--- /dev/null
+++ b/DefinitelyTyped/tslint.json
@@ -0,0 +1,10 @@
+{
+    "extends": "dtslint/dt.json",
+    "rules": {
+      "ban-types": false,
+      "callable-types": false,
+      "interface-over-type-literal": false,
+      "unified-signatures": false,
+      "no-unnecessary-type-assertion": false
+    }
+}
diff --git a/gulpfile.ts b/gulpfile.ts
index fa92c91..9dc09aa 100644
--- a/gulpfile.ts
+++ b/gulpfile.ts
@@ -1,9 +1,15 @@
 import * as del from 'del';
 import * as gulp from 'gulp';
 import * as gulp_run from 'run-sequence';
+import {
+  build_dt_chores,
+  build_dt_definitions,
+  build_dt_tests,
+} from './tasks/build-dt';
 import { build_watch } from './tasks/build-watch';
 import { remap_watch } from './tasks/remap-watch';
 import {
+  dt_ramda_dirname,
   glob_templates,
   output_relative_dirname,
 } from './tasks/utils/constants';
@@ -12,11 +18,13 @@ import { generate_files } from './tasks/utils/generate-files';
 import { generate_index } from './tasks/utils/generate-index';
 import { generate_remap_content } from './tasks/utils/generate-remap-content';
 
+type RunCallback = (error?: any) => void;
+
 gulp.task('clean', async () => del(`${output_relative_dirname}/`));
 gulp.task('build-index', generate_index);
 gulp.task('build-files', () => generate_files(glob_templates));
 
-gulp.task('build', ['clean'], (callback: (error?: any) => void) =>
+gulp.task('build', ['clean'], (callback: RunCallback) =>
   gulp_run(['build-index', 'build-files'], callback),
 );
 
@@ -31,3 +39,18 @@ gulp.task('remap', ['clean-remap'], () =>
 );
 
 gulp.task('remap-watch', ['remap'], remap_watch);
+
+gulp.task('clean-dt', async () => del(dt_ramda_dirname));
+
+gulp.task('build-dt-definitions', build_dt_definitions);
+gulp.task('build-dt-chores', build_dt_chores);
+gulp.task('build-dt-tests', build_dt_tests);
+
+gulp.task('build-dt', ['clean-dt', 'build'], (callback: RunCallback) =>
+  gulp_run(
+    'build-dt-definitions',
+    'build-dt-chores',
+    'build-dt-tests',
+    callback,
+  ),
+);
diff --git a/jest.dt.json b/jest.dt.json
new file mode 100644
index 0000000..373efe8
--- /dev/null
+++ b/jest.dt.json
@@ -0,0 +1,16 @@
+{
+  "testEnvironment": "node",
+  "moduleFileExtensions": ["ts", "js", "json"],
+  "testRegex": "/temp/.+\\.ts$",
+  "transform": {"/temp/.+\\.ts$": "dts-jest/transform"},
+  "moduleNameMapper": {
+    "../ramda/dist": "<rootDir>/node_modules/ramda"
+  },
+  "globals": {
+    "_dts_jest_": {
+      "enclosing_declaration": false,
+      "compiler_options": "./tsconfig.test.json",
+      "typescript": "<cwd>/node_modules/typescript/lib/typescript"
+    }
+  }
+}
diff --git a/jest.json b/jest.json
index 36089d5..6a276cc 100644
--- a/jest.json
+++ b/jest.json
@@ -9,7 +9,8 @@
   "globals": {
     "_dts_jest_": {
       "enclosing_declaration": true,
-      "compiler_options": "./tsconfig.test.json"
+      "compiler_options": "./tsconfig.test.json",
+      "typescript": "<cwd>/node_modules/typescript/lib/typescript"
     }
   },
   "reporters": [
diff --git a/package.json b/package.json
index 331aff5..7682507 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,9 @@
     "build-watch": "gulp build-watch",
     "remap": "dts-jest-remap ./tests/*.ts --outDir ./snapshots",
     "remap-watch": "gulp remap-watch",
-    "jsdoc": "ts-node ./scripts/migrate-jsdoc.ts v0.24.1 ./templates"
+    "jsdoc": "ts-node ./scripts/migrate-jsdoc.ts v0.24.1 ./templates",
+    "build-dt": "gulp build-dt",
+    "test-dt": "bash ./scripts/test-dt.sh"
   },
   "devDependencies": {
     "@types/del": "3.0.0",
@@ -29,6 +31,7 @@
     "@types/gulp-util": "3.0.31",
     "@types/jest": "20.0.8",
     "@types/node": "8.0.26",
+    "@types/prettier": "1.5.0",
     "@types/ramda": "ikatyang/types-ramda#v0.24.1-dist",
     "@types/run-sequence": "0.0.29",
     "@types/through2": "2.0.33",
@@ -39,6 +42,8 @@
     "dts-jest": "22.0.3",
     "glob": "7.1.2",
     "gulp": "3.9.1",
+    "gulp-modify": "0.1.1",
+    "gulp-plugin-prettier": "1.0.0",
     "gulp-rename": "1.2.2",
     "gulp-util": "3.0.8",
     "jest": "21.0.1",
diff --git a/scripts/test-dt.sh b/scripts/test-dt.sh
new file mode 100644
index 0000000..731be83
--- /dev/null
+++ b/scripts/test-dt.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+cd ./DefinitelyTyped
+yarn install --force
+cd ..
+
+yarn run build-dt
+
+cd ./DefinitelyTyped
+yarn run lint || eval "DT_LINT_STATE=error"
+cd ..
+
+if [ "$DT_LINT_STATE" = "error" ]; then
+  exit 1;
+fi
diff --git a/snapshots/ramda-tests.ts b/snapshots/ramda-tests.ts
index 655af21..ea38968 100644
--- a/snapshots/ramda-tests.ts
+++ b/snapshots/ramda-tests.ts
@@ -305,8 +305,8 @@ import * as R from '../ramda/dist/index';
 
 // @dts-jest:group bind
 (() => {
-  // @dts-jest:pass:snap -> (message?: any, ...optionalParams: any[]) => void
-  R.bind(console.log, console);
+  // @dts-jest:pass:snap -> (arg: any) => arg is any[]
+  R.bind(Array.isArray, Array);
 })();
 
 // @dts-jest:group both
@@ -1503,7 +1503,7 @@ import * as R from '../ramda/dist/index';
 // @dts-jest:group lensIndex
 (() => {
   const headLens = R.lensIndex(0);
-  // @dts-jest:pass:snap -> any
+  // @dts-jest:pass:snap -> string
   R.view(headLens, ['a', 'b', 'c']); //=> 'a'
 
   // @dts-jest:pass:snap -> string[]
@@ -3195,7 +3195,7 @@ import * as R from '../ramda/dist/index';
 // @dts-jest:group view
 (() => {
   const headLens = R.lensIndex(0);
-  // @dts-jest:pass:snap -> any
+  // @dts-jest:pass:snap -> string
   R.view(headLens, ['a', 'b', 'c']); //=> 'a'
 })();
 
diff --git a/snapshots/view.ts b/snapshots/view.ts
index c94861c..bcf185f 100644
--- a/snapshots/view.ts
+++ b/snapshots/view.ts
@@ -24,13 +24,13 @@ R_view(pseudo_lens_a)(a_1_b_2_c_3);
 // @dts-jest:pass:snap -> 1
 R_view(pseudo_lens_a, a_1_b_2_c_3);
 
-// @dts-jest:pass:snap -> <U extends { [index: number]: any; }>(target: U) => U["1"]
+// @dts-jest:pass:snap -> <U extends { [index: number]: any; }>(target: U) => U[1]
 R_view(pseudo_lens_1);
 // @dts-jest:pass:snap -> number
 R_view(pseudo_lens_1)(string_number_tuple);
 // @dts-jest:pass:snap -> number
 R_view(pseudo_lens_1, string_number_tuple);
-// @dts-jest:pass:snap -> any
+// @dts-jest:pass:snap -> number
 R_view(pseudo_lens_1)(number_array);
-// @dts-jest:pass:snap -> any
+// @dts-jest:pass:snap -> number
 R_view(pseudo_lens_1, number_array);
diff --git a/tasks/build-dt.ts b/tasks/build-dt.ts
new file mode 100644
index 0000000..c108814
--- /dev/null
+++ b/tasks/build-dt.ts
@@ -0,0 +1,110 @@
+import * as child_process from 'child_process';
+import del = require('del');
+import * as fs from 'fs';
+import * as gulp from 'gulp';
+import * as gulp_prettier from 'gulp-plugin-prettier';
+import * as gulp_util from 'gulp-util';
+import * as prettier from 'prettier';
+import * as tslint from 'tslint';
+import {
+  dt_dirname,
+  dt_ramda_dirname,
+  output_relative_dirname,
+} from './utils/constants';
+
+// tslint:disable-next-line:no-var-requires
+const gulp_modify = require('gulp-modify');
+
+const test_filename = 'ramda-tests.ts';
+
+const definition_names: string[] = [];
+
+// DT style (https://github.com/Microsoft/dtslint/blob/master/dt.json)
+const prettier_options: prettier.Options = {
+  bracketSpacing: true,
+  printWidth: 120, // original 200, decreased due to trailing comments
+  tabWidth: 4,
+  trailingComma: 'all',
+  parser: 'typescript',
+};
+
+export const build_dt_definitions = () =>
+  gulp
+    .src(`${output_relative_dirname}/**/*`, {
+      base: output_relative_dirname,
+    })
+    .pipe(
+      gulp_modify({
+        fileModifier: (file: gulp_util.File, contents: string) => {
+          definition_names.push(file.relative);
+          if (file.path.endsWith('index.d.ts')) {
+            const dt_header = fs
+              .readFileSync(`${dt_dirname}/dt-header.txt`, 'utf8')
+              .trim();
+            return `${dt_header}\n\n${contents}`;
+          }
+          return contents;
+        },
+      }),
+    )
+    .pipe(
+      gulp_prettier.format(prettier_options, {
+        reporter: gulp_prettier.Reporter.None,
+      }),
+    )
+    .pipe(gulp.dest(dt_ramda_dirname));
+
+export const build_dt_chores = () =>
+  gulp
+    .src([`${dt_dirname}/tsconfig.json`, `${dt_dirname}/tslint.json`])
+    .pipe(
+      gulp_modify({
+        fileModifier: (file: gulp_util.File, contents: string) => {
+          if (file.path.endsWith('tsconfig.json')) {
+            const tsconfig = JSON.parse(contents);
+            tsconfig.files = [...definition_names, test_filename];
+            return JSON.stringify(tsconfig, null, 4);
+          }
+          return contents;
+        },
+      }),
+    )
+    .pipe(gulp.dest(dt_ramda_dirname));
+
+export const build_dt_tests = () => {
+  const temp_dirname = 'temp';
+  const remapped_filename = `${test_filename}.remapped`;
+
+  const commands = [
+    `rm -rf ${temp_dirname}`,
+    `mkdir ${temp_dirname}`,
+    `cp tests/${test_filename} ${temp_dirname}/`,
+    `node_modules/.bin/jest -c ./jest.dt.json -u --silent`,
+    `node_modules/.bin/dts-jest-remap ${temp_dirname}/${test_filename} --rename ${remapped_filename}`,
+  ];
+
+  child_process.execSync(commands.join(' && '));
+
+  const linter = new tslint.Linter({ fix: true });
+
+  const output_filename = `${dt_ramda_dirname}/${test_filename}`;
+
+  const output_content = prettier.format(
+    fs
+      .readFileSync(`${temp_dirname}/${remapped_filename}`, 'utf8')
+      .replace(`'../ramda/dist/index'`, `'ramda'`)
+      .replace(/\/\/ @dts-jest:fail.+/g, '// $ExpectError')
+      .replace(/\/\/ @dts-jest:pass:snap ->/g, '// $ExpectType'),
+    prettier_options,
+  );
+
+  fs.writeFileSync(output_filename, output_content);
+
+  linter.lint(
+    output_filename,
+    output_content,
+    tslint.Linter.findConfiguration(null, output_filename).results,
+  );
+
+  del.sync(temp_dirname);
+};
diff --git a/tasks/utils/constants.ts b/tasks/utils/constants.ts
index 9d9ac13..65cf40b 100644
--- a/tasks/utils/constants.ts
+++ b/tasks/utils/constants.ts
@@ -13,3 +13,6 @@ export const output_sub_dirname = 'src';
 export const output_relative_dirname = `./ramda/dist${output_dirname_postfix}`;
 export const output_relative_sub_dirname = `${output_relative_dirname}/${output_sub_dirname}`;
 export const output_extname = '.d.ts';
+
+export const dt_dirname = 'DefinitelyTyped';
+export const dt_ramda_dirname = `${dt_dirname}/types/ramda`;
diff --git a/tasks/utils/generate-file-content.ts b/tasks/utils/generate-file-content.ts
index 637653e..d870a33 100644
--- a/tasks/utils/generate-file-content.ts
+++ b/tasks/utils/generate-file-content.ts
@@ -203,6 +203,7 @@ function get_top_level_members(filename: string): dts.ITopLevelMember[] {
       {
         selectable,
         placeholder,
+        inline_return_type: true,
       },
     );
 
diff --git a/templates/$operation.d.ts b/templates/$operation.d.ts
index 5c54d29..c5425d1 100644
--- a/templates/$operation.d.ts
+++ b/templates/$operation.d.ts
@@ -15,8 +15,3 @@ export type Same<T extends string, U extends string> = Diff<
   Diff<T, U> | Diff<U, T>
 >;
 export type Merge<T, U> = Omit<T, keyof U> & U;
-
-// from https://github.com/tycho01/typical/blob/f0e6918/src/cast.ts#L18
-// to resolve https://github.com/Microsoft/TypeScript/issues/15768
-// tslint:disable-next-line:prettier interface-over-type-literal
-export type NumberToString = { 0:'0',1:'1',2:'2',3:'3',4:'4',5:'5',6:'6',7:'7',8:'8',9:'9',10:'10',11:'11',12:'12',13:'13',14:'14',15:'15',16:'16',17:'17',18:'18',19:'19',20:'20',21:'21',22:'22',23:'23',24:'24',25:'25',26:'26',27:'27',28:'28',29:'29',30:'30',31:'31',32:'32',33:'33',34:'34',35:'35',36:'36',37:'37',38:'38',39:'39',40:'40',41:'41',42:'42',43:'43',44:'44',45:'45',46:'46',47:'47',48:'48',49:'49',50:'50',51:'51',52:'52',53:'53',54:'54',55:'55',56:'56',57:'57',58:'58',59:'59',60:'60',61:'61',62:'62',63:'63',64:'64',65:'65',66:'66',67:'67',68:'68',69:'69',70:'70',71:'71',72:'72',73:'73',74:'74',75:'75',76:'76',77:'77',78:'78',79:'79',80:'80',81:'81',82:'82',83:'83',84:'84',85:'85',86:'86',87:'87',88:'88',89:'89',90:'90',91:'91',92:'92',93:'93',94:'94',95:'95',96:'96',97:'97',98:'98',99:'99',100:'100',101:'101',102:'102',103:'103',104:'104',105:'105',106:'106',107:'107',108:'108',109:'109',110:'110',111:'111',112:'112',113:'113',114:'114',115:'115',116:'116',117:'117',118:'118',119:'119',120:'120',121:'121',122:'122',123:'123',124:'124',125:'125',126:'126',127:'127',128:'128',129:'129',130:'130',131:'131',132:'132',133:'133',134:'134',135:'135',136:'136',137:'137',138:'138',139:'139',140:'140',141:'141',142:'142',143:'143',144:'144',145:'145',146:'146',147:'147',148:'148',149:'149',150:'150',151:'151',152:'152',153:'153',154:'154',155:'155',156:'156',157:'157',158:'158',159:'159',160:'160',161:'161',162:'162',163:'163',164:'164',165:'165',166:'166',167:'167',168:'168',169:'169',170:'170',171:'171',172:'172',173:'173',174:'174',175:'175',176:'176',177:'177',178:'178',179:'179',180:'180',181:'181',182:'182',183:'183',184:'184',185:'185',186:'186',187:'187',188:'188',189:'189',190:'190',191:'191',192:'192',193:'193',194:'194',195:'195',196:'196',197:'197',198:'198',199:'199',200:'200',201:'201',202:'202',203:'203',204:'204',205:'205',206:'206',207:'207',208:'208',209:'209',210:'210',211:'211',212:'212',213:'213',214:'214',215:'215',216:'216',217:'217',218:'218',219:'219',220:'220',221:'221',222:'222',223:'223',224:'224',225:'225',226:'226',227:'227',228:'228',229:'229',230:'230',231:'231',232:'232',233:'233',234:'234',235:'235',236:'236',237:'237',238:'238',239:'239',240:'240',241:'241',242:'242',243:'243',244:'244',245:'245',246:'246',247:'247',248:'248',249:'249',250:'250',251:'251',252:'252',253:'253',254:'254',255:'255'};
diff --git a/templates/over.d.ts b/templates/over.d.ts
index 9302025..c2b0cf3 100644
--- a/templates/over.d.ts
+++ b/templates/over.d.ts
@@ -1,9 +1,8 @@
-import { NumberToString } from './$operation';
 import { ManualLens, Morphism, PseudoLens } from './$types';
 
 export function $number<N extends number, U extends { [index: number]: any }>(
   lens: PseudoLens<N>,
-  fn: Morphism<U[NumberToString[N]], U[NumberToString[N]]>,
+  fn: Morphism<U[N], U[N]>,
   target: U,
 ): U;
 export function $string<K extends string, U extends Record<K, any>>(
diff --git a/templates/set.d.ts b/templates/set.d.ts
index c33fefe..3335b8f 100644
--- a/templates/set.d.ts
+++ b/templates/set.d.ts
@@ -1,9 +1,8 @@
-import { NumberToString } from './$operation';
 import { ManualLens, PseudoLens } from './$types';
 
 export function $number<N extends number, U extends { [index: number]: any }>(
   lens: PseudoLens<N>,
-  value: U[NumberToString[N]],
+  value: U[N],
   target: U,
 ): U;
 export function $string<K extends string, U extends Record<K, any>>(
diff --git a/templates/tslint.dts.json b/templates/tslint.dts.json
new file mode 100644
index 0000000..06d7c2c
--- /dev/null
+++ b/templates/tslint.dts.json
@@ -0,0 +1,6 @@
+{
+  "extends": "./tslint.json",
+  "rules": {
+    "naming-convention": false
+  }
+}
diff --git a/templates/view.d.ts b/templates/view.d.ts
index b5ea786..ff3dbdd 100644
--- a/templates/view.d.ts
+++ b/templates/view.d.ts
@@ -1,10 +1,9 @@
-import { NumberToString } from './$operation';
 import { ManualLens, PseudoLens } from './$types';
 
 export function $number<N extends number, U extends { [index: number]: any }>(
   lens: PseudoLens<N>,
   target: U,
-): U[NumberToString[N]];
+): U[N];
 export function $string<K extends string, U extends Record<K, any>>(
   lens: PseudoLens<K>,
   target: U,
diff --git a/tests/__snapshots__/ramda-tests.ts.snap b/tests/__snapshots__/ramda-tests.ts.snap
index 3e7700b..8b4b4ed 100644
--- a/tests/__snapshots__/ramda-tests.ts.snap
+++ b/tests/__snapshots__/ramda-tests.ts.snap
@@ -134,7 +134,7 @@ exports[`binary takesTwoArgs(1, 2, 3) 1`] = `"Expected 2 arguments, but got 3."`
 
 exports[`binary takesTwoArgs.length 1`] = `"number"`;
 
-exports[`bind R.bind(console.log, console) 1`] = `"(message?: any, ...optionalParams: any[]) => void"`;
+exports[`bind R.bind(Array.isArray, Array) 1`] = `"(arg: any) => arg is any[]"`;
 
 exports[`both R.both(gt10)(even)(101) 1`] = `"boolean"`;
 
@@ -694,7 +694,7 @@ exports[`lensIndex R.set(R.__, 'x', ['a', 'b', 'c'])(headLens) 1`] = `"string[]"
 
 exports[`lensIndex R.set(headLens, 'x', ['a', 'b', 'c']) 1`] = `"string[]"`;
 
-exports[`lensIndex R.view(headLens, ['a', 'b', 'c']) 1`] = `"any"`;
+exports[`lensIndex R.view(headLens, ['a', 'b', 'c']) 1`] = `"string"`;
 
 exports[`lensPath R.over(xyLens, R.negate, { x: { y: 2, z: 3 } }) 1`] = `"{ x: { y: number; z: number; }; }"`;
 
@@ -1456,7 +1456,7 @@ exports[`values R.values({ a: 1, b: 2, c: 3 }) 1`] = `"number[]"`;
 
 exports[`valuesIn R.valuesIn(f) 1`] = `"string[]"`;
 
-exports[`view R.view(headLens, ['a', 'b', 'c']) 1`] = `"any"`;
+exports[`view R.view(headLens, ['a', 'b', 'c']) 1`] = `"string"`;
 
 exports[`when truncate('0123456789ABC') 1`] = `"string"`;
 
diff --git a/tests/__snapshots__/view.ts.snap b/tests/__snapshots__/view.ts.snap
index ac2bb55..1e0eb41 100644
--- a/tests/__snapshots__/view.ts.snap
+++ b/tests/__snapshots__/view.ts.snap
@@ -6,13 +6,13 @@ exports[`R_view(menual_lens_number_object)(object) 1`] = `"number"`;
 
 exports[`R_view(menual_lens_number_object, object) 1`] = `"number"`;
 
-exports[`R_view(pseudo_lens_1) 1`] = `"<U extends { [index: number]: any; }>(target: U) => U[\\"1\\"]"`;
+exports[`R_view(pseudo_lens_1) 1`] = `"<U extends { [index: number]: any; }>(target: U) => U[1]"`;
 
-exports[`R_view(pseudo_lens_1)(number_array) 1`] = `"any"`;
+exports[`R_view(pseudo_lens_1)(number_array) 1`] = `"number"`;
 
 exports[`R_view(pseudo_lens_1)(string_number_tuple) 1`] = `"number"`;
 
-exports[`R_view(pseudo_lens_1, number_array) 1`] = `"any"`;
+exports[`R_view(pseudo_lens_1, number_array) 1`] = `"number"`;
 
 exports[`R_view(pseudo_lens_1, string_number_tuple) 1`] = `"number"`;
 
diff --git a/tests/ramda-tests.ts b/tests/ramda-tests.ts
index 10ca02e..841da9c 100644
--- a/tests/ramda-tests.ts
+++ b/tests/ramda-tests.ts
@@ -306,7 +306,7 @@ import * as R from '../ramda/dist/index';
 // @dts-jest:group bind
 (() => {
   // @dts-jest:pass:snap
-  R.bind(console.log, console);
+  R.bind(Array.isArray, Array);
 })();
 
 // @dts-jest:group both
diff --git a/yarn.lock b/yarn.lock
index 586d7b4..1f627d1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2,16 +2,33 @@
 # yarn lockfile v1
 
 
+"@types/babel-types@*":
+  version "6.25.1"
+  resolved "https://registry.yarnpkg.com/@types/babel-types/-/babel-types-6.25.1.tgz#ce8f126a4403e11e1b0033a424f11638afac7889"
+
 "@types/chalk@*":
   version "0.4.31"
   resolved "https://registry.yarnpkg.com/@types/chalk/-/chalk-0.4.31.tgz#a31d74241a6b1edbb973cf36d97a2896834a51f9"
 
+"@types/chokidar@*":
+  version "1.7.2"
+  resolved "https://registry.yarnpkg.com/@types/chokidar/-/chokidar-1.7.2.tgz#7c6da2d5bd6a47c9bce0f09b904a30770581f605"
+  dependencies:
+    "@types/node" "*"
+
 "@types/del@3.0.0":
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/@types/del/-/del-3.0.0.tgz#1c8cd8b6e38da3b572352ca8eaf5527931426288"
   dependencies:
     "@types/glob" "*"
 
+"@types/glob-stream@*":
+  version "3.1.31"
+  resolved "https://registry.yarnpkg.com/@types/glob-stream/-/glob-stream-3.1.31.tgz#015842260c01dab3b56578d8b37de2e57483d4ad"
+  dependencies:
+    "@types/glob" "*"
+    "@types/node" "*"
+
 "@types/glob@*", "@types/glob@5.0.32":
   version "5.0.32"
   resolved "https://registry.yarnpkg.com/@types/glob/-/glob-5.0.32.tgz#aec5cfe987c72f099fdb1184452986aa506d5e8f"
@@ -25,7 +42,7 @@
   dependencies:
     "@types/node" "*"
 
-"@types/gulp-util@3.0.31":
+"@types/gulp-util@3.0.31", "@types/gulp-util@^3.0.31":
   version "3.0.31"
   resolved "https://registry.yarnpkg.com/@types/gulp-util/-/gulp-util-3.0.31.tgz#272e298220365717e1f7f979b50ebadb44297cbf"
   dependencies:
@@ -34,7 +51,15 @@
     "@types/through2" "*"
     "@types/vinyl" "*"
 
-"@types/gulp@*", "@types/gulp@3.8.33":
+"@types/gulp@*":
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/@types/gulp/-/gulp-4.0.4.tgz#753ffe5b0ddaf0c9a60101b346141bb80e602f25"
+  dependencies:
+    "@types/chokidar" "*"
+    "@types/undertaker" "*"
+    "@types/vinyl-fs" "*"
+
+"@types/gulp@3.8.33":
   version "3.8.33"
   resolved "https://registry.yarnpkg.com/@types/gulp/-/gulp-3.8.33.tgz#b1b076820738c9c4eb7808cd926bff1683e1c2ab"
   dependencies:
@@ -47,8 +72,8 @@
   resolved "https://registry.yarnpkg.com/@types/jest/-/jest-20.0.8.tgz#7f8c97f73d20d3bf5448fbe33661a342002b5954"
 
 "@types/minimatch@*":
-  version "2.0.29"
-  resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-2.0.29.tgz#5002e14f75e2d71e564281df0431c8c1b4a2a36a"
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@types/minimatch/-/minimatch-3.0.1.tgz#b683eb60be358304ef146f5775db4c0e3696a550"
 
 "@types/node@*", "@types/node@8.0.26":
   version "8.0.26"
@@ -61,9 +86,15 @@
     "@types/node" "*"
     "@types/q" "^0"
 
+"@types/prettier@1.5.0":
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/@types/prettier/-/prettier-1.5.0.tgz#35ed47a24bd92bcab439c3670742219499a6b717"
+  dependencies:
+    "@types/babel-types" "*"
+
 "@types/q@^0":
-  version "0.0.36"
-  resolved "https://registry.yarnpkg.com/@types/q/-/q-0.0.36.tgz#97d786389641bcbd0e22bfc729a534175976371d"
+  version "0.0.37"
+  resolved "https://registry.yarnpkg.com/@types/q/-/q-0.0.37.tgz#7d6a934b35ee2f0ed0646d286eba559599021c9e"
 
 "@types/ramda@ikatyang/types-ramda#v0.24.1-dist":
   version "0.24.1"
@@ -76,15 +107,33 @@
     "@types/gulp" "*"
     "@types/node" "*"
 
-"@types/through2@*", "@types/through2@2.0.33":
+"@types/through2@*", "@types/through2@2.0.33", "@types/through2@^2.0.33":
   version "2.0.33"
   resolved "https://registry.yarnpkg.com/@types/through2/-/through2-2.0.33.tgz#1ff2e88a100dfb5b140e7bb98791f1194400d131"
   dependencies:
     "@types/node" "*"
 
+"@types/undertaker-registry@*":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@types/undertaker-registry/-/undertaker-registry-1.0.0.tgz#6f61a0be75a22e9ef62df68b480c68bce344fe5f"
+
+"@types/undertaker@*":
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/@types/undertaker/-/undertaker-1.1.2.tgz#cf0f62cdcbdf62ad9f70a4d78f81869a5c349a09"
+  dependencies:
+    "@types/undertaker-registry" "*"
+
+"@types/vinyl-fs@*":
+  version "2.4.7"
+  resolved "https://registry.yarnpkg.com/@types/vinyl-fs/-/vinyl-fs-2.4.7.tgz#9165d331758b351641debcfe656a133597bacb2f"
+  dependencies:
+    "@types/glob-stream" "*"
+    "@types/node" "*"
+    "@types/vinyl" "*"
+
 "@types/vinyl@*":
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/@types/vinyl/-/vinyl-2.0.0.tgz#fd213bf7f4136dde21fe1895500b12c186f8c268"
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/@types/vinyl/-/vinyl-2.0.1.tgz#6b414dfdcd4a785e8e76e87565ed29e79490d9b7"
   dependencies:
     "@types/node" "*"
 
@@ -263,49 +312,49 @@ aws4@^1.2.1:
   version "1.6.0"
   resolved "https://registry.yarnpkg.com/aws4/-/aws4-1.6.0.tgz#83ef5ca860b2b32e4a0deedee8c771b9db57471e"
 
-babel-code-frame@^6.22.0:
-  version "6.22.0"
-  resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.22.0.tgz#027620bee567a88c32561574e7fd0801d33118e4"
+babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-code-frame/-/babel-code-frame-6.26.0.tgz#63fd43f7dc1e3bb7ce35947db8fe369a3f58c74b"
   dependencies:
-    chalk "^1.1.0"
+    chalk "^1.1.3"
     esutils "^2.0.2"
-    js-tokens "^3.0.0"
+    js-tokens "^3.0.2"
 
-babel-core@^6.0.0, babel-core@^6.24.1:
-  version "6.25.0"
-  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.25.0.tgz#7dd42b0463c742e9d5296deb3ec67a9322dad729"
+babel-core@^6.0.0, babel-core@^6.24.1, babel-core@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.0.tgz#af32f78b31a6fcef119c87b0fd8d9753f03a0bb8"
   dependencies:
-    babel-code-frame "^6.22.0"
-    babel-generator "^6.25.0"
+    babel-code-frame "^6.26.0"
+    babel-generator "^6.26.0"
     babel-helpers "^6.24.1"
     babel-messages "^6.23.0"
-    babel-register "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-template "^6.25.0"
-    babel-traverse "^6.25.0"
-    babel-types "^6.25.0"
-    babylon "^6.17.2"
-    convert-source-map "^1.1.0"
-    debug "^2.1.1"
-    json5 "^0.5.0"
-    lodash "^4.2.0"
-    minimatch "^3.0.2"
-    path-is-absolute "^1.0.0"
-    private "^0.1.6"
+    babel-register "^6.26.0"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
+    convert-source-map "^1.5.0"
+    debug "^2.6.8"
+    json5 "^0.5.1"
+    lodash "^4.17.4"
+    minimatch "^3.0.4"
+    path-is-absolute "^1.0.1"
+    private "^0.1.7"
     slash "^1.0.0"
-    source-map "^0.5.0"
+    source-map "^0.5.6"
 
-babel-generator@^6.18.0, babel-generator@^6.25.0:
-  version "6.25.0"
-  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.25.0.tgz#33a1af70d5f2890aeb465a4a7793c1df6a9ea9fc"
+babel-generator@^6.18.0, babel-generator@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.0.tgz#ac1ae20070b79f6e3ca1d3269613053774f20dc5"
   dependencies:
     babel-messages "^6.23.0"
-    babel-runtime "^6.22.0"
-    babel-types "^6.25.0"
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
     detect-indent "^4.0.0"
     jsesc "^1.3.0"
-    lodash "^4.2.0"
-    source-map "^0.5.0"
+    lodash "^4.17.4"
+    source-map "^0.5.6"
     trim-right "^1.0.1"
 
 babel-helpers@^6.24.1:
@@ -345,13 +394,13 @@ babel-plugin-jest-hoist@^21.0.0:
   resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-21.0.0.tgz#aa2dbab7b0d58fa635640efd53aab730be7b3273"
 
 babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.24.1.tgz#d3e310b40ef664a36622200097c6d440298f2bfe"
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.0.tgz#0d8394029b7dc6abe1a97ef181e00758dd2e5d8a"
   dependencies:
     babel-plugin-transform-strict-mode "^6.24.1"
-    babel-runtime "^6.22.0"
-    babel-template "^6.24.1"
-    babel-types "^6.24.1"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-types "^6.26.0"
 
 babel-plugin-transform-strict-mode@^6.24.1:
   version "6.24.1"
@@ -372,61 +421,61 @@ babel-preset-jest@^21.0.0:
   dependencies:
     babel-plugin-jest-hoist "^21.0.0"
 
-babel-register@^6.24.1:
-  version "6.24.1"
-  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.24.1.tgz#7e10e13a2f71065bdfad5a1787ba45bca6ded75f"
+babel-register@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.26.0.tgz#6ed021173e2fcb486d7acb45c6009a856f647071"
   dependencies:
-    babel-core "^6.24.1"
-    babel-runtime "^6.22.0"
-    core-js "^2.4.0"
+    babel-core "^6.26.0"
+    babel-runtime "^6.26.0"
+    core-js "^2.5.0"
     home-or-tmp "^2.0.0"
-    lodash "^4.2.0"
+    lodash "^4.17.4"
     mkdirp "^0.5.1"
-    source-map-support "^0.4.2"
+    source-map-support "^0.4.15"
 
-babel-runtime@^6.22.0:
-  version "6.25.0"
-  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.25.0.tgz#33b98eaa5d482bb01a8d1aa6b437ad2b01aec41c"
+babel-runtime@^6.22.0, babel-runtime@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
   dependencies:
     core-js "^2.4.0"
-    regenerator-runtime "^0.10.0"
+    regenerator-runtime "^0.11.0"
 
-babel-template@^6.16.0, babel-template@^6.24.1, babel-template@^6.25.0:
-  version "6.25.0"
-  resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.25.0.tgz#665241166b7c2aa4c619d71e192969552b10c071"
+babel-template@^6.16.0, babel-template@^6.24.1, babel-template@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.26.0.tgz#de03e2d16396b069f46dd9fff8521fb1a0e35e02"
   dependencies:
-    babel-runtime "^6.22.0"
-    babel-traverse "^6.25.0"
-    babel-types "^6.25.0"
-    babylon "^6.17.2"
-    lodash "^4.2.0"
+    babel-runtime "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
+    lodash "^4.17.4"
 
-babel-traverse@^6.18.0, babel-traverse@^6.25.0:
-  version "6.25.0"
-  resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.25.0.tgz#2257497e2fcd19b89edc13c4c91381f9512496f1"
+babel-traverse@^6.18.0, babel-traverse@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-traverse/-/babel-traverse-6.26.0.tgz#46a9cbd7edcc62c8e5c064e2d2d8d0f4035766ee"
   dependencies:
-    babel-code-frame "^6.22.0"
+    babel-code-frame "^6.26.0"
     babel-messages "^6.23.0"
-    babel-runtime "^6.22.0"
-    babel-types "^6.25.0"
-    babylon "^6.17.2"
-    debug "^2.2.0"
-    globals "^9.0.0"
-    invariant "^2.2.0"
-    lodash "^4.2.0"
-
-babel-types@^6.18.0, babel-types@^6.24.1, babel-types@^6.25.0:
-  version "6.25.0"
-  resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.25.0.tgz#70afb248d5660e5d18f811d91c8303b54134a18e"
-  dependencies:
-    babel-runtime "^6.22.0"
+    babel-runtime "^6.26.0"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
+    debug "^2.6.8"
+    globals "^9.18.0"
+    invariant "^2.2.2"
+    lodash "^4.17.4"
+
+babel-types@^6.18.0, babel-types@^6.24.1, babel-types@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-types/-/babel-types-6.26.0.tgz#a3b073f94ab49eb6fa55cd65227a334380632497"
+  dependencies:
+    babel-runtime "^6.26.0"
     esutils "^2.0.2"
-    lodash "^4.2.0"
-    to-fast-properties "^1.0.1"
+    lodash "^4.17.4"
+    to-fast-properties "^1.0.3"
 
-babylon@^6.17.2, babylon@^6.17.4:
-  version "6.17.4"
-  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.17.4.tgz#3e8b7402b88d22c3423e137a1577883b15ff869a"
+babylon@^6.17.4, babylon@^6.18.0:
+  version "6.18.0"
+  resolved "https://registry.yarnpkg.com/babylon/-/babylon-6.18.0.tgz#af2f3b88fa6f5c1e4c634d1a0f8eac4f55b395e3"
 
 balanced-match@^1.0.0:
   version "1.0.0"
@@ -512,7 +561,7 @@ center-align@^0.1.1:
     align-text "^0.1.3"
     lazy-cache "^1.0.3"
 
-chalk@^1.0.0, chalk@^1.1.0, chalk@^1.1.1, chalk@^1.1.3:
+chalk@^1.0.0, chalk@^1.1.1, chalk@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   dependencies:
@@ -606,13 +655,13 @@ content-type-parser@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/content-type-parser/-/content-type-parser-1.0.1.tgz#c3e56988c53c65127fb46d4032a3a900246fdc94"
 
-convert-source-map@^1.1.0, convert-source-map@^1.4.0:
+convert-source-map@^1.4.0, convert-source-map@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.0.tgz#9acd70851c6d5dfdd93d9282e5edf94a03ff46b5"
 
-core-js@^2.4.0:
-  version "2.5.0"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.0.tgz#569c050918be6486b3837552028ae0466b717086"
+core-js@^2.4.0, core-js@^2.5.0:
+  version "2.5.1"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.1.tgz#ae6874dc66937789b80754ff5428df66819ca50b"
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
@@ -652,7 +701,7 @@ dateformat@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/dateformat/-/dateformat-2.0.0.tgz#2743e3abb5c3fc2462e527dca445e04e9f4dee17"
 
-debug@^2.1.1, debug@^2.2.0, debug@^2.6.3:
+debug@^2.2.0, debug@^2.6.3, debug@^2.6.8:
   version "2.6.8"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.8.tgz#e731531ca2ede27d188222427da17821d68ff4fc"
   dependencies:
@@ -718,8 +767,8 @@ detect-indent@^4.0.0:
     repeating "^2.0.0"
 
 diff@^3.1.0, diff@^3.2.0:
-  version "3.3.0"
-  resolved "https://registry.yarnpkg.com/diff/-/diff-3.3.0.tgz#056695150d7aa93237ca7e378ac3b1682b7963b9"
+  version "3.3.1"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-3.3.1.tgz#aa8567a6eed03c531fc89d3f711cd0e5259dec75"
 
 doctrine@^0.7.2:
   version "0.7.2"
@@ -1159,7 +1208,7 @@ global-prefix@^0.1.4:
     is-windows "^0.2.0"
     which "^1.2.12"
 
-globals@^9.0.0:
+globals@^9.18.0:
   version "9.18.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-9.18.0.tgz#aa3896b3e69b487f17e31ed2143d69a8e30c2d8a"
 
@@ -1205,11 +1254,27 @@ growly@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
+gulp-modify@0.1.1:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/gulp-modify/-/gulp-modify-0.1.1.tgz#4a99a0bb8b7769921c7b09618762ccc179da3675"
+  dependencies:
+    gulp-util "*"
+    through2 "*"
+
+gulp-plugin-prettier@1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/gulp-plugin-prettier/-/gulp-plugin-prettier-1.0.0.tgz#89f820419b3185389cb551a2fef30ac7f179e52a"
+  dependencies:
+    "@types/gulp-util" "^3.0.31"
+    "@types/through2" "^2.0.33"
+    gulp-util "^3.0.8"
+    through2 "^2.0.3"
+
 gulp-rename@1.2.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/gulp-rename/-/gulp-rename-1.2.2.tgz#3ad4428763f05e2764dec1c67d868db275687817"
 
-gulp-util@3.0.8, gulp-util@^3.0.0, gulp-util@^3.0.8:
+gulp-util@*, gulp-util@3.0.8, gulp-util@^3.0.0, gulp-util@^3.0.8:
   version "3.0.8"
   resolved "https://registry.yarnpkg.com/gulp-util/-/gulp-util-3.0.8.tgz#0054e1e744502e27c04c187c3ecc505dd54bbb4f"
   dependencies:
@@ -1376,7 +1441,7 @@ interpret@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/interpret/-/interpret-1.0.3.tgz#cbc35c62eeee73f19ab7b10a801511401afc0f90"
 
-invariant@^2.2.0:
+invariant@^2.2.2:
   version "2.2.2"
   resolved "https://registry.yarnpkg.com/invariant/-/invariant-2.2.2.tgz#9e1f56ac0acdb6bf303306f338be3b204ae60360"
   dependencies:
@@ -1535,7 +1600,7 @@ isexe@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/isexe/-/isexe-2.0.0.tgz#e8fbf374dc556ff8947a10dcb0572d633f2cfa10"
 
-isobject@^2.0.0, isobject@^2.1.0:
+isobject@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/isobject/-/isobject-2.1.0.tgz#f065561096a3f1da2ef46272f815c840d87e0c89"
   dependencies:
@@ -1550,17 +1615,17 @@ isstream@~0.1.2:
   resolved "https://registry.yarnpkg.com/isstream/-/isstream-0.1.2.tgz#47e63f7af55afa6f92e1500e690eb8b8529c099a"
 
 istanbul-api@^1.1.1:
-  version "1.1.11"
-  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.1.11.tgz#fcc0b461e2b3bda71e305155138238768257d9de"
+  version "1.1.13"
+  resolved "https://registry.yarnpkg.com/istanbul-api/-/istanbul-api-1.1.13.tgz#7197f64413600ebdfec6347a2dc3d4e03f97ed5a"
   dependencies:
     async "^2.1.4"
     fileset "^2.0.2"
     istanbul-lib-coverage "^1.1.1"
     istanbul-lib-hook "^1.0.7"
-    istanbul-lib-instrument "^1.7.4"
+    istanbul-lib-instrument "^1.7.5"
     istanbul-lib-report "^1.1.1"
     istanbul-lib-source-maps "^1.2.1"
-    istanbul-reports "^1.1.1"
+    istanbul-reports "^1.1.2"
     js-yaml "^3.7.0"
     mkdirp "^0.5.1"
     once "^1.4.0"
@@ -1575,9 +1640,9 @@ istanbul-lib-hook@^1.0.7:
   dependencies:
     append-transform "^0.4.0"
 
-istanbul-lib-instrument@^1.4.2, istanbul-lib-instrument@^1.7.2, istanbul-lib-instrument@^1.7.4:
-  version "1.7.4"
-  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.4.tgz#e9fd920e4767f3d19edc765e2d6b3f5ccbd0eea8"
+istanbul-lib-instrument@^1.4.2, istanbul-lib-instrument@^1.7.2, istanbul-lib-instrument@^1.7.5:
+  version "1.7.5"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.7.5.tgz#adb596f8f0cb8b95e739206351a38a586af21b1e"
   dependencies:
     babel-generator "^6.18.0"
     babel-template "^6.16.0"
@@ -1606,9 +1671,9 @@ istanbul-lib-source-maps@^1.1.0, istanbul-lib-source-maps@^1.2.1:
     rimraf "^2.6.1"
     source-map "^0.5.3"
 
-istanbul-reports@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.1.1.tgz#042be5c89e175bc3f86523caab29c014e77fee4e"
+istanbul-reports@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/istanbul-reports/-/istanbul-reports-1.1.2.tgz#0fb2e3f6aa9922bd3ce45d05d8ab4d5e8e07bd4f"
   dependencies:
     handlebars "^4.0.3"
 
@@ -1972,7 +2037,7 @@ jest@21.0.1:
   dependencies:
     jest-cli "^21.0.1"
 
-js-tokens@^3.0.0:
+js-tokens@^3.0.0, js-tokens@^3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-3.0.2.tgz#9866df395102130e38f7f996bceb65443209c25b"
 
@@ -2029,7 +2094,7 @@ json-stringify-safe@~5.0.1:
   version "5.0.1"
   resolved "https://registry.yarnpkg.com/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz#1296a2d58fd45f19a0f6ce01d65701e2c735b6eb"
 
-json5@^0.5.0:
+json5@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
 
@@ -2240,7 +2305,7 @@ lodash.upperfirst@^4.3.1:
   version "4.3.1"
   resolved "https://registry.yarnpkg.com/lodash.upperfirst/-/lodash.upperfirst-4.3.1.tgz#1365edf431480481ef0d1c68957a5ed99d49f7ce"
 
-lodash@^4.14.0, lodash@^4.2.0:
+lodash@^4.14.0, lodash@^4.17.4:
   version "4.17.4"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
@@ -2317,15 +2382,15 @@ micromatch@^2.1.5, micromatch@^2.3.11, micromatch@^2.3.7:
     parse-glob "^3.0.4"
     regex-cache "^0.4.2"
 
-mime-db@~1.29.0:
-  version "1.29.0"
-  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.29.0.tgz#48d26d235589651704ac5916ca06001914266878"
+mime-db@~1.30.0:
+  version "1.30.0"
+  resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.30.0.tgz#74c643da2dd9d6a45399963465b26d5ca7d71f01"
 
 mime-types@^2.1.12, mime-types@~2.1.7:
-  version "2.1.16"
-  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.16.tgz#2b858a52e5ecd516db897ac2be87487830698e23"
+  version "2.1.17"
+  resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.17.tgz#09d7a393f03e995a79f8af857b70a9e0ab16557a"
   dependencies:
-    mime-db "~1.29.0"
+    mime-db "~1.30.0"
 
 mimic-fn@^1.0.0:
   version "1.1.0"
@@ -2350,7 +2415,7 @@ minimatch@~0.2.11:
     lru-cache "2"
     sigmund "~1.0.0"
 
-minimist@0.0.8, minimist@~0.0.1:
+minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
@@ -2358,6 +2423,10 @@ minimist@^1.1.0, minimist@^1.1.1, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
+minimist@~0.0.1:
+  version "0.0.10"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+
 "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
@@ -2487,10 +2556,10 @@ object.omit@^2.0.0:
     is-extendable "^0.1.1"
 
 object.pick@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/object.pick/-/object.pick-1.2.0.tgz#b5392bee9782da6d9fb7d6afaf539779f1234c2b"
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/object.pick/-/object.pick-1.3.0.tgz#87a10ac4c1694bd2e1cbf53591a66141fb5dd747"
   dependencies:
-    isobject "^2.1.0"
+    isobject "^3.0.1"
 
 once@^1.3.0, once@^1.3.3, once@^1.4.0:
   version "1.4.0"
@@ -2626,7 +2695,7 @@ path-exists@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
 
-path-is-absolute@^1.0.0:
+path-is-absolute@^1.0.0, path-is-absolute@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
 
@@ -2728,7 +2797,7 @@ pretty-hrtime@^1.0.0:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/pretty-hrtime/-/pretty-hrtime-1.0.3.tgz#b7e3ea42435a4c9b2759d99e0f201eb195802ee1"
 
-private@^0.1.6:
+private@^0.1.7:
   version "0.1.7"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.7.tgz#68ce5e8a1ef0a23bb570cc28537b5332aba63ef1"
 
@@ -2838,20 +2907,19 @@ rechoir@^0.6.2:
   dependencies:
     resolve "^1.1.6"
 
-regenerator-runtime@^0.10.0:
-  version "0.10.5"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
+regenerator-runtime@^0.11.0:
+  version "0.11.0"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.0.tgz#7e54fe5b5ccd5d6624ea6255c3473be090b802e1"
 
 regex-cache@^0.4.2:
-  version "0.4.3"
-  resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.3.tgz#9b1a6c35d4d0dfcef5711ae651e8e9d3d7114145"
+  version "0.4.4"
+  resolved "https://registry.yarnpkg.com/regex-cache/-/regex-cache-0.4.4.tgz#75bdc58a2a1496cec48a12835bc54c8d562336dd"
   dependencies:
     is-equal-shallow "^0.1.3"
-    is-primitive "^2.0.0"
 
 remove-trailing-separator@^1.0.1:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.0.2.tgz#69b062d978727ad14dc6b56ba4ab772fd8d70511"
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/remove-trailing-separator/-/remove-trailing-separator-1.1.0.tgz#c24bce2a283adad5bc3f58e0d48249b92379d8ef"
 
 repeat-element@^1.1.2:
   version "1.1.2"
@@ -2991,8 +3059,8 @@ shebang-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/shebang-regex/-/shebang-regex-1.0.0.tgz#da42f49740c0b42db2ca9728571cb190c98efea3"
 
 shellwords@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.0.tgz#66afd47b6a12932d9071cbfd98a52e785cd0ba14"
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/shellwords/-/shellwords-0.1.1.tgz#d6b9181c1a48d397324c84871efbcfc73fc0654b"
 
 sigmund@~1.0.0:
   version "1.0.1"
@@ -3012,9 +3080,9 @@ sntp@1.x.x:
   dependencies:
     hoek "2.x.x"
 
-source-map-support@^0.4.0, source-map-support@^0.4.2, source-map-support@^0.4.4:
-  version "0.4.15"
-  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.15.tgz#03202df65c06d2bd8c7ec2362a193056fef8d3b1"
+source-map-support@^0.4.0, source-map-support@^0.4.15, source-map-support@^0.4.4:
+  version "0.4.17"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.4.17.tgz#6f2150553e6375375d0ccb3180502b78c18ba430"
   dependencies:
     source-map "^0.5.6"
 
@@ -3024,9 +3092,9 @@ source-map@^0.4.4:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.5.0, source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1:
-  version "0.5.6"
-  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.6.tgz#75ce38f52bf0733c5a7f0c118d81334a2bb5f412"
+source-map@^0.5.3, source-map@^0.5.6, source-map@~0.5.1:
+  version "0.5.7"
+  resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.5.7.tgz#8a039d2d1021d22d1ea14c80d8ea468ba2ef3fcc"
 
 source-map@~0.2.0:
   version "0.2.0"
@@ -3157,8 +3225,8 @@ supports-color@^3.1.2:
     has-flag "^1.0.0"
 
 supports-color@^4.0.0:
-  version "4.2.1"
-  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.2.1.tgz#65a4bb2631e90e02420dba5554c375a4754bb836"
+  version "4.4.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-4.4.0.tgz#883f7ddabc165142b2a61427f3352ded195d1a3e"
   dependencies:
     has-flag "^2.0.0"
 
@@ -3205,7 +3273,7 @@ throat@^4.0.0:
   version "4.1.0"
   resolved "https://registry.yarnpkg.com/throat/-/throat-4.1.0.tgz#89037cbc92c56ab18926e6ba4cbb200e15672a6a"
 
-through2@2.0.3, through2@^2.0.0:
+through2@*, through2@2.0.3, through2@^2.0.0, through2@^2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.3.tgz#0004569b37c7c74ba39c43f3ced78d1ad94140be"
   dependencies:
@@ -3233,7 +3301,7 @@ tmpl@1.0.x:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/tmpl/-/tmpl-1.0.4.tgz#23640dd7b42d00433911140820e5cf440e521dd1"
 
-to-fast-properties@^1.0.1:
+to-fast-properties@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/to-fast-properties/-/to-fast-properties-1.0.3.tgz#b83571fa4d8c25b82e231b06e3a3055de4ca1a47"
 
@@ -3363,8 +3431,8 @@ tsutils@^1.4.0:
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-1.9.1.tgz#b9f9ab44e55af9681831d5f28d0aeeaf5c750cb0"
 
 tsutils@^2.6.1, tsutils@^2.8.0, tsutils@^2.8.1:
-  version "2.8.1"
-  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.8.1.tgz#3771404e7ca9f0bedf5d919a47a4b1890a68efff"
+  version "2.8.2"
+  resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-2.8.2.tgz#2c1486ba431260845b0ac6f902afd9d708a8ea6a"
   dependencies:
     tslib "^1.7.1"
 
@@ -3503,8 +3571,8 @@ webidl-conversions@^3.0.0:
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"
 
 webidl-conversions@^4.0.0:
-  version "4.0.1"
-  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.1.tgz#8015a17ab83e7e1b311638486ace81da6ce206a0"
+  version "4.0.2"
+  resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-4.0.2.tgz#a855980b1f0b6b359ba1d5d9fb39ae941faa63ad"
 
 whatwg-encoding@^1.0.1:
   version "1.0.1"
@@ -3556,8 +3624,8 @@ wordwrap@~1.0.0:
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"
 
 worker-farm@^1.3.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.4.1.tgz#a438bc993a7a7d133bcb6547c95eca7cff4897d8"
+  version "1.5.0"
+  resolved "https://registry.yarnpkg.com/worker-farm/-/worker-farm-1.5.0.tgz#adfdf0cd40581465ed0a1f648f9735722afd5c8d"
   dependencies:
     errno "^0.1.4"
     xtend "^4.0.1"