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I have a fairly typical package.json on an AWS ec2 instance. I'm running npm install and instead of installing
{
"name": "angular-app-server",
"description": "Back end server to support our angular app",
"version": "0.0.1",
"private": true,
"dependencies": {
"assert": "^1.3.0",
"async": "^0.9.0",
"bcrypt-nodejs": "0.0.3",
"body-parser": "^1.13.1",
"connect-multiparty": "^1.2.5",
"express": "~3.0",
"express-namespace": "~0.1.1",
"express-session": "^1.11.1",
"forever": "^0.14.2",
"mongodb": "^2.0.36",
"multiparty": "^4.1.2",
"nodemailer": "^1.3.4",
"open": "0.0.3",
"passport": "~0.1.12",
"passport-local": "~0.1.6",
"request": "~2.16.6",
"svgo": "^0.5.3"
},
"devDependencies": {
"grunt": "~0.4",
"grunt-contrib-jshint": "~0.2.0",
"grunt-contrib-nodeunit": "~0.1.2",
"rewire": "^2.0.1",
"supervisor": "~0.4.1"
}
}
It's installing dozens and dozens of packages, (via cd node_modules & ls):
abbrev findup-sync on-finished
addressparser first-chunk-stream on-headers
align-text flatiron open
amdefine foreground-child opener
ansi-regex forever optimist
ansi-styles forever-agent optionator
argparse forever-monitor parseurl
asn1 form-data passport
assert formidable passport-local
assert-plus fresh path-is-absolute
async getobject pause
aws-sign glob peakle
aws-sign2 graceful-fs pend
balanced-match grunt pkginfo
base64-url grunt-contrib-jshint prelude-ls
bcrypt-nodejs grunt-contrib-nodeunit prompt
body-parser grunt-legacy-log ps-tree
boom grunt-legacy-log-utils punycode
brace-expansion grunt-legacy-util q
broadway handlebars qs
bson has-ansi range-parser
buffer-crc32 hawk raw-body
buffer-equal hoek read
buildmail hooker readable-stream
bytes http-errors repeat-string
camelcase http-signature request
center-align hyperquest resolve
chalk i revalidator
cli iconv-lite rewire
cliff inflight right-align
cliui inherits rimraf
clone ini sax
coa isarray send
coffee-script isstream shelljs
colors istanbul sigmund
combined-stream is-utf8 signal-exit
commander jshint smtp-connection
concat-map json-stringify-safe sntp
connect js-yaml source-map
connect-multiparty kerberos spawn-wrap
content-type kind-of sprintf-js
cookie lazy stack-trace
cookie-jar lcov-parse statuses
cookie-signature levn stream-counter
core-util-is libbase64 string_decoder
coveralls libmime stringstream
crc libqp strip-ansi
cryptiles lodash strip-bom
ctype log-driver supervisor
cycle longest supports-color
dateformat lru-cache svgo
debug media-typer tap
decamelize methods tap-mocha-reporter
deep-equal mime tap-parser
deep-is mime-db through2
delayed-stream mime-types timespan
depd minimatch tough-cookie
diff minimist tunnel-agent
director mkdirp type-check
duplexer2 mongodb type-is
ee-first mongodb-core uglify-js
es6-promise ms uid-safe
escape-string-regexp multiparty underscore
escodegen mute-stream underscore.string
esprima nan unicode-length
estraverse nconf unpipe
esutils ncp util
eventemitter2 nodemailer utile
events-to-array nodemailer-direct-transport utils-merge
event-stream nodemailer-smtp-transport watch
exit nodemailer-wellknown whet.extend
express nodeunit which
express-namespace node-uuid window-size
express-session nopt winston
eyes nssocket wordwrap
fast-levenshtein nyc wrappy
fd-slicer oauth-sign xtend
fileset once yargs
What could be the cause of this?
Thanks for any advice or help.
832
By default, npm install will install all modules listed as dependencies in package. json .
NPM installs devDependencies within the package. json file. The 'npm install' command should add all the dependencies and devDependencies automatically during installation. If you need to add specific devDependencies to your project, you can use this command- 'npm install --save-dev'.
The npm install command is used to install npm packages to a node_modules/ folder. You can also install a specific version of each package by adding the @version keyword after the package names. npm will install the exact versions you defined in the example above.
This is a difference between NPM 2 and NPM 3. NPM 3 will put the first version of a dependency as a peer and other versions of a dependency nested.
https://docs.npmjs.com/how-npm-works/npm3
https://github.com/npm/npm/issues/11586
I guess it looks uglier, but takes less space.
83
They are dependencies of the modules you want. This can't be avoided.
31
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