package.json

{
  "dependencies": {
    "greeting": "^1.0.6"
  },
  "name": "y2n",
  "version": "1.0.0",
  "main": "index.js",
  "license": "MIT"
}

shell.nix

with import <nixpkgs> {};
let
  nodejs = nodejs-7_x;
  yarn2nix = (import (
    fetchTarball https://github.com/moretea/yarn2nix/archive/7d4658472791233e6612b2b9a7eb795c84651944.tar.gz
  ) { inherit pkgs nodejs; });
  yarnPackages = yarn2nix.buildYarnPackage rec {
    name = "y2n-packages";
    publishBinsFor = ["greeting"];
    src = ./.;
    packageJson = ./package.json;
    yarnLock = ./yarn.lock;
  };
in
stdenv.mkDerivation {
  name = "y2n";
  buildInputs = [
    nodejs-7_x
    yarn
    yarnPackages
  ];
}

yarn.lock

# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
# yarn lockfile v1


array-find-index@^1.0.1:
  version "1.0.2"
  resolved "https://registry.yarnpkg.com/array-find-index/-/array-find-index-1.0.2.tgz#df010aa1287e164bbda6f9723b0a96a1ec4187a1"

builtin-modules@^1.0.0:
  version "1.1.1"
  resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"

camelcase-keys@^2.0.0:
  version "2.1.0"
  resolved "https://registry.yarnpkg.com/camelcase-keys/-/camelcase-keys-2.1.0.tgz#308beeaffdf28119051efa1d932213c91b8f92e7"
  dependencies:
    camelcase "^2.0.0"
    map-obj "^1.0.0"

camelcase@^2.0.0:
  version "2.1.1"
  resolved "https://registry.yarnpkg.com/camelcase/-/camelcase-2.1.1.tgz#7c1d16d679a1bbe59ca02cacecfb011e201f5a1f"

currently-unhandled@^0.4.1:
  version "0.4.1"
  resolved "https://registry.yarnpkg.com/currently-unhandled/-/currently-unhandled-0.4.1.tgz#988df33feab191ef799a61369dd76c17adf957ea"
  dependencies:
    array-find-index "^1.0.1"

decamelize@^1.1.2:
  version "1.2.0"
  resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"

error-ex@^1.2.0:
  version "1.3.1"
  resolved "https://registry.yarnpkg.com/error-ex/-/error-ex-1.3.1.tgz#f855a86ce61adc4e8621c3cda21e7a7612c3a8dc"
  dependencies:
    is-arrayish "^0.2.1"

find-up@^1.0.0:
  version "1.1.2"
  resolved "https://registry.yarnpkg.com/find-up/-/find-up-1.1.2.tgz#6b2e9822b1a2ce0a60ab64d610eccad53cb24d0f"
  dependencies:
    path-exists "^2.0.0"
    pinkie-promise "^2.0.0"

get-stdin@^4.0.1:
  version "4.0.1"
  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"

graceful-fs@^4.1.2:
  version "4.1.11"
  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"

greeting@^1.0.6:
  version "1.0.6"
  resolved "https://registry.yarnpkg.com/greeting/-/greeting-1.0.6.tgz#5269d9a11d3977fb04d21c4f8f34d63c9ffd7cec"
  dependencies:
    meow "^3.0.0"
    unique-random-array "^1.0.0"

hosted-git-info@^2.1.4:
  version "2.4.2"
  resolved "https://registry.yarnpkg.com/hosted-git-info/-/hosted-git-info-2.4.2.tgz#0076b9f46a270506ddbaaea56496897460612a67"

indent-string@^2.1.0:
  version "2.1.0"
  resolved "https://registry.yarnpkg.com/indent-string/-/indent-string-2.1.0.tgz#8e2d48348742121b4a8218b7a137e9a52049dc80"
  dependencies:
    repeating "^2.0.0"

is-arrayish@^0.2.1:
  version "0.2.1"
  resolved "https://registry.yarnpkg.com/is-arrayish/-/is-arrayish-0.2.1.tgz#77c99840527aa8ecb1a8ba697b80645a7a926a9d"

is-builtin-module@^1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
  dependencies:
    builtin-modules "^1.0.0"

is-finite@^1.0.0:
  version "1.0.2"
  resolved "https://registry.yarnpkg.com/is-finite/-/is-finite-1.0.2.tgz#cc6677695602be550ef11e8b4aa6305342b6d0aa"
  dependencies:
    number-is-nan "^1.0.0"

is-utf8@^0.2.0:
  version "0.2.1"
  resolved "https://registry.yarnpkg.com/is-utf8/-/is-utf8-0.2.1.tgz#4b0da1442104d1b336340e80797e865cf39f7d72"

load-json-file@^1.0.0:
  version "1.1.0"
  resolved "https://registry.yarnpkg.com/load-json-file/-/load-json-file-1.1.0.tgz#956905708d58b4bab4c2261b04f59f31c99374c0"
  dependencies:
    graceful-fs "^4.1.2"
    parse-json "^2.2.0"
    pify "^2.0.0"
    pinkie-promise "^2.0.0"
    strip-bom "^2.0.0"

loud-rejection@^1.0.0:
  version "1.6.0"
  resolved "https://registry.yarnpkg.com/loud-rejection/-/loud-rejection-1.6.0.tgz#5b46f80147edee578870f086d04821cf998e551f"
  dependencies:
    currently-unhandled "^0.4.1"
    signal-exit "^3.0.0"

map-obj@^1.0.0, map-obj@^1.0.1:
  version "1.0.1"
  resolved "https://registry.yarnpkg.com/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"

meow@^3.0.0:
  version "3.7.0"
  resolved "https://registry.yarnpkg.com/meow/-/meow-3.7.0.tgz#72cb668b425228290abbfa856892587308a801fb"
  dependencies:
    camelcase-keys "^2.0.0"
    decamelize "^1.1.2"
    loud-rejection "^1.0.0"
    map-obj "^1.0.1"
    minimist "^1.1.3"
    normalize-package-data "^2.3.4"
    object-assign "^4.0.1"
    read-pkg-up "^1.0.1"
    redent "^1.0.0"
    trim-newlines "^1.0.0"

minimist@^1.1.3:
  version "1.2.0"
  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"

normalize-package-data@^2.3.2, normalize-package-data@^2.3.4:
  version "2.3.8"
  resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.3.8.tgz#d819eda2a9dedbd1ffa563ea4071d936782295bb"
  dependencies:
    hosted-git-info "^2.1.4"
    is-builtin-module "^1.0.0"
    semver "2 || 3 || 4 || 5"
    validate-npm-package-license "^3.0.1"

number-is-nan@^1.0.0:
  version "1.0.1"
  resolved "https://registry.yarnpkg.com/number-is-nan/-/number-is-nan-1.0.1.tgz#097b602b53422a522c1afb8790318336941a011d"

object-assign@^4.0.1:
  version "4.1.1"
  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"

parse-json@^2.2.0:
  version "2.2.0"
  resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-2.2.0.tgz#f480f40434ef80741f8469099f8dea18f55a4dc9"
  dependencies:
    error-ex "^1.2.0"

path-exists@^2.0.0:
  version "2.1.0"
  resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-2.1.0.tgz#0feb6c64f0fc518d9a754dd5efb62c7022761f4b"
  dependencies:
    pinkie-promise "^2.0.0"

path-type@^1.0.0:
  version "1.1.0"
  resolved "https://registry.yarnpkg.com/path-type/-/path-type-1.1.0.tgz#59c44f7ee491da704da415da5a4070ba4f8fe441"
  dependencies:
    graceful-fs "^4.1.2"
    pify "^2.0.0"
    pinkie-promise "^2.0.0"

pify@^2.0.0:
  version "2.3.0"
  resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"

pinkie-promise@^2.0.0:
  version "2.0.1"
  resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
  dependencies:
    pinkie "^2.0.0"

pinkie@^2.0.0:
  version "2.0.4"
  resolved "https://registry.yarnpkg.com/pinkie/-/pinkie-2.0.4.tgz#72556b80cfa0d48a974e80e77248e80ed4f7f870"

read-pkg-up@^1.0.1:
  version "1.0.1"
  resolved "https://registry.yarnpkg.com/read-pkg-up/-/read-pkg-up-1.0.1.tgz#9d63c13276c065918d57f002a57f40a1b643fb02"
  dependencies:
    find-up "^1.0.0"
    read-pkg "^1.0.0"

read-pkg@^1.0.0:
  version "1.1.0"
  resolved "https://registry.yarnpkg.com/read-pkg/-/read-pkg-1.1.0.tgz#f5ffaa5ecd29cb31c0474bca7d756b6bb29e3f28"
  dependencies:
    load-json-file "^1.0.0"
    normalize-package-data "^2.3.2"
    path-type "^1.0.0"

redent@^1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/redent/-/redent-1.0.0.tgz#cf916ab1fd5f1f16dfb20822dd6ec7f730c2afde"
  dependencies:
    indent-string "^2.1.0"
    strip-indent "^1.0.1"

repeating@^2.0.0:
  version "2.0.1"
  resolved "https://registry.yarnpkg.com/repeating/-/repeating-2.0.1.tgz#5214c53a926d3552707527fbab415dbc08d06dda"
  dependencies:
    is-finite "^1.0.0"

"semver@2 || 3 || 4 || 5":
  version "5.3.0"
  resolved "https://registry.yarnpkg.com/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"

signal-exit@^3.0.0:
  version "3.0.2"
  resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"

spdx-correct@~1.0.0:
  version "1.0.2"
  resolved "https://registry.yarnpkg.com/spdx-correct/-/spdx-correct-1.0.2.tgz#4b3073d933ff51f3912f03ac5519498a4150db40"
  dependencies:
    spdx-license-ids "^1.0.2"

spdx-expression-parse@~1.0.0:
  version "1.0.4"
  resolved "https://registry.yarnpkg.com/spdx-expression-parse/-/spdx-expression-parse-1.0.4.tgz#9bdf2f20e1f40ed447fbe273266191fced51626c"

spdx-license-ids@^1.0.2:
  version "1.2.2"
  resolved "https://registry.yarnpkg.com/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"

strip-bom@^2.0.0:
  version "2.0.0"
  resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-2.0.0.tgz#6219a85616520491f35788bdbf1447a99c7e6b0e"
  dependencies:
    is-utf8 "^0.2.0"

strip-indent@^1.0.1:
  version "1.0.1"
  resolved "https://registry.yarnpkg.com/strip-indent/-/strip-indent-1.0.1.tgz#0c7962a6adefa7bbd4ac366460a638552ae1a0a2"
  dependencies:
    get-stdin "^4.0.1"

trim-newlines@^1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/trim-newlines/-/trim-newlines-1.0.0.tgz#5887966bb582a4503a41eb524f7d35011815a613"

unique-random-array@^1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/unique-random-array/-/unique-random-array-1.0.0.tgz#42b3721c579388d8b667c93c2dbde3d5d81a9136"
  dependencies:
    unique-random "^1.0.0"

unique-random@^1.0.0:
  version "1.0.0"
  resolved "https://registry.yarnpkg.com/unique-random/-/unique-random-1.0.0.tgz#ce3e224c8242cd33a0e77b0d7180d77e6b62d0c4"

validate-npm-package-license@^3.0.1:
  version "3.0.1"
  resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz#2804babe712ad3379459acfbe24746ab2c303fbc"
  dependencies:
    spdx-correct "~1.0.0"
    spdx-expression-parse "~1.0.0"