[OE-core] npm thoughts

[Trevor Woerner]

In face-to-face conversations there was an expressed opinion that it would be
great if npm had a "--dry-run" -type option to list off the dependencies of a
package.json file.

As it turns out, it does!

	$ npm install --dry-run
	electron-quick-start at 1.0.0 /z/npm/source/electron-quick-start.git
	└─┬ electron at 1.4.15 
	  ├─┬ electron-download at 3.3.0 
	  │ ├─┬ debug at 2.6.1 
	  │ │ └── ms at 0.7.2 
	  │ ├─┬ fs-extra at 0.30.0 
	  │ │ ├── graceful-fs at 4.1.11 
	  │ │ ├── jsonfile at 2.4.0 
	  │ │ ├── klaw at 1.3.1 
	  │ │ ├── path-is-absolute at 1.0.1 
	  │ │ └─┬ rimraf at 2.6.1 
	  │ │   └─┬ glob at 7.1.1 
	  │ │     ├── fs.realpath at 1.0.0 
	  │ │     ├─┬ inflight at 1.0.6 
	  │ │     │ └── wrappy at 1.0.2 
	  │ │     ├─┬ minimatch at 3.0.3 
	  │ │     │ └─┬ brace-expansion at 1.1.6 
	  │ │     │   ├── balanced-match at 0.4.2 
	  │ │     │   └── concat-map at 0.0.1 
	  │ │     └── once at 1.4.0 
	  │ ├── home-path at 1.0.3 
	  │ ├── minimist at 1.2.0 
	  │ ├─┬ nugget at 2.0.1 
	  │ │ ├─┬ pretty-bytes at 1.0.4 
	  │ │ │ ├── get-stdin at 4.0.1 
	  │ │ │ └─┬ meow at 3.7.0 
	  │ │ │   ├─┬ camelcase-keys at 2.1.0 
	  │ │ │   │ └── camelcase at 2.1.1 
	  │ │ │   ├── decamelize at 1.2.0 
	  │ │ │   ├─┬ loud-rejection at 1.6.0 
	  │ │ │   │ ├─┬ currently-unhandled at 0.4.1 
	  │ │ │   │ │ └── array-find-index at 1.0.2 
	  │ │ │   │ └── signal-exit at 3.0.2 
	  │ │ │   ├── map-obj at 1.0.1 
	  │ │ │   ├─┬ normalize-package-data at 2.3.5 
	  │ │ │   │ ├── hosted-git-info at 2.2.0 
	  │ │ │   │ ├─┬ is-builtin-module at 1.0.0 
	  │ │ │   │ │ └── builtin-modules at 1.1.1 
	  │ │ │   │ └─┬ validate-npm-package-license at 3.0.1 
	  │ │ │   │   ├─┬ spdx-correct at 1.0.2 
	  │ │ │   │   │ └── spdx-license-ids at 1.2.2 
	  │ │ │   │   └── spdx-expression-parse at 1.0.4 
	  │ │ │   ├── object-assign at 4.1.1 
	  │ │ │   ├─┬ read-pkg-up at 1.0.1 
	  │ │ │   │ ├── find-up at 1.1.2 
	  │ │ │   │ └─┬ read-pkg at 1.1.0 
	  │ │ │   │   ├─┬ load-json-file at 1.1.0 
	  │ │ │   │   │ ├─┬ parse-json at 2.2.0 
	  │ │ │   │   │ │ └─┬ error-ex at 1.3.0 
	  │ │ │   │   │ │   └── is-arrayish at 0.2.1 
	  │ │ │   │   │ ├── pify at 2.3.0 
	  │ │ │   │   │ └─┬ strip-bom at 2.0.0 
	  │ │ │   │   │   └── is-utf8 at 0.2.1 
	  │ │ │   │   └── path-type at 1.1.0 
	  │ │ │   ├─┬ redent at 1.0.0 
	  │ │ │   │ ├─┬ indent-string at 2.1.0 
	  │ │ │   │ │ └─┬ repeating at 2.0.1 
	  │ │ │   │ │   └── is-finite at 1.0.2 
	  │ │ │   │ └── strip-indent at 1.0.1 
	  │ │ │   └── trim-newlines at 1.0.0 
	  │ │ ├─┬ progress-stream at 1.2.0 
	  │ │ │ ├── speedometer at 0.1.4 
	  │ │ │ └─┬ through2 at 0.2.3 
	  │ │ │   ├─┬ readable-stream at 1.1.14 
	  │ │ │   │ └── isarray at 0.0.1 
	  │ │ │   └─┬ xtend at 2.1.2 
	  │ │ │     └── object-keys at 0.4.0 
	  │ │ ├─┬ request at 2.79.0 
	  │ │ │ ├── aws-sign2 at 0.6.0 
	  │ │ │ ├── aws4 at 1.6.0 
	  │ │ │ ├── caseless at 0.11.0 
	  │ │ │ ├─┬ combined-stream at 1.0.5 
	  │ │ │ │ └── delayed-stream at 1.0.0 
	  │ │ │ ├── extend at 3.0.0 
	  │ │ │ ├── forever-agent at 0.6.1 
	  │ │ │ ├─┬ form-data at 2.1.2 
	  │ │ │ │ └── asynckit at 0.4.0 
	  │ │ │ ├─┬ har-validator at 2.0.6 
	  │ │ │ │ ├─┬ chalk at 1.1.3 
	  │ │ │ │ │ ├── ansi-styles at 2.2.1 
	  │ │ │ │ │ ├── escape-string-regexp at 1.0.5 
	  │ │ │ │ │ ├── has-ansi at 2.0.0 
	  │ │ │ │ │ └── supports-color at 2.0.0 
	  │ │ │ │ ├─┬ commander at 2.9.0 
	  │ │ │ │ │ └── graceful-readlink at 1.0.1 
	  │ │ │ │ └─┬ is-my-json-valid at 2.16.0 
	  │ │ │ │   ├── generate-function at 2.0.0 
	  │ │ │ │   ├─┬ generate-object-property at 1.2.0 
	  │ │ │ │   │ └── is-property at 1.0.2 
	  │ │ │ │   ├── jsonpointer at 4.0.1 
	  │ │ │ │   └── xtend at 4.0.1 
	  │ │ │ ├─┬ hawk at 3.1.3 
	  │ │ │ │ ├── boom at 2.10.1 
	  │ │ │ │ ├── cryptiles at 2.0.5 
	  │ │ │ │ ├── hoek at 2.16.3 
	  │ │ │ │ └── sntp at 1.0.9 
	  │ │ │ ├─┬ http-signature at 1.1.1 
	  │ │ │ │ ├── assert-plus at 0.2.0 
	  │ │ │ │ ├─┬ jsprim at 1.3.1 
	  │ │ │ │ │ ├── extsprintf at 1.0.2 
	  │ │ │ │ │ ├── json-schema at 0.2.3 
	  │ │ │ │ │ └── verror at 1.3.6 
	  │ │ │ │ └─┬ sshpk at 1.10.2 
	  │ │ │ │   ├── asn1 at 0.2.3 
	  │ │ │ │   ├── assert-plus at 1.0.0 
	  │ │ │ │   ├── bcrypt-pbkdf at 1.0.1 
	  │ │ │ │   ├─┬ dashdash at 1.14.1 
	  │ │ │ │   │ └── assert-plus at 1.0.0 
	  │ │ │ │   ├── ecc-jsbn at 0.1.1 
	  │ │ │ │   ├─┬ getpass at 0.1.6 
	  │ │ │ │   │ └── assert-plus at 1.0.0 
	  │ │ │ │   ├── jodid25519 at 1.0.2 
	  │ │ │ │   ├── jsbn at 0.1.1 
	  │ │ │ │   └── tweetnacl at 0.14.5 
	  │ │ │ ├── is-typedarray at 1.0.0 
	  │ │ │ ├── isstream at 0.1.2 
	  │ │ │ ├── json-stringify-safe at 5.0.1 
	  │ │ │ ├─┬ mime-types at 2.1.14 
	  │ │ │ │ └── mime-db at 1.26.0 
	  │ │ │ ├── oauth-sign at 0.8.2 
	  │ │ │ ├── qs at 6.3.1 
	  │ │ │ ├── stringstream at 0.0.5 
	  │ │ │ ├─┬ tough-cookie at 2.3.2 
	  │ │ │ │ └── punycode at 1.4.1 
	  │ │ │ ├── tunnel-agent at 0.4.3 
	  │ │ │ └── uuid at 3.0.1 
	  │ │ ├─┬ single-line-log at 1.1.2 
	  │ │ │ └─┬ string-width at 1.0.2 
	  │ │ │   ├── code-point-at at 1.1.0 
	  │ │ │   ├─┬ is-fullwidth-code-point at 1.0.0 
	  │ │ │   │ └── number-is-nan at 1.0.1 
	  │ │ │   └─┬ strip-ansi at 3.0.1 
	  │ │ │     └── ansi-regex at 2.1.1 
	  │ │ └── throttleit at 0.0.2 
	  │ ├─┬ path-exists at 2.1.0 
	  │ │ └─┬ pinkie-promise at 2.0.1 
	  │ │   └── pinkie at 2.0.4 
	  │ ├─┬ rc at 1.1.7 
	  │ │ ├── deep-extend at 0.4.1 
	  │ │ ├── ini at 1.3.4 
	  │ │ └── strip-json-comments at 2.0.1 
	  │ ├── semver at 5.3.0 
	  │ └─┬ sumchecker at 1.3.0 
	  │   └── es6-promise at 4.0.5 
	  └─┬ extract-zip at 1.6.0 
	    ├─┬ concat-stream at 1.5.0 
	    │ ├── inherits at 2.0.3 
	    │ ├─┬ readable-stream at 2.0.6 
	    │ │ ├── core-util-is at 1.0.2 
	    │ │ ├── isarray at 1.0.0 
	    │ │ ├── process-nextick-args at 1.0.7 
	    │ │ ├── string_decoder at 0.10.31 
	    │ │ └── util-deprecate at 1.0.2 
	    │ └── typedarray at 0.0.6 
	    ├── debug at 0.7.4 
	    ├─┬ mkdirp at 0.5.0 
	    │ └── minimist at 0.0.8 
	    └─┬ yauzl at 2.4.1 
	      └─┬ fd-slicer at 1.0.1 
		└── pend at 1.2.0