为什么我npm install karma后在node_modules下面有很多目录??求解答
$ dir
accepts debug is-extendable preserve
after depd is-extglob process-nextick-args
anymatch di is-glob qs
arr-diff dom-serialize is-number randomatic
arr-flatten ee-first is-posix-bracket raw-body
array-slice engine.io is-primitive readable-stream
array-unique engine.io-client isarray readdirp
arraybuffer.slice engine.io-parser isbinaryfile regex-cache
arrify ent isobject repeat-element
async-each escape-html json3 repeat-string
backo2 eventemitter3 karma requires-port
balanced-match expand-braces kind-of rimraf
base64-arraybuffer expand-brackets lodash semver
base64id expand-range log4js socket.io
batch extend lru-cache socket.io-adapter
benchmark extglob media-typer socket.io-client
better-assert filename-regex micromatch socket.io-parser
binary-extensions fill-range mime source-map
blob finalhandler mime-db statuses
bluebird for-in mime-types string_decoder
body-parser for-own minimatch to-array
brace-expansion glob minimist type-is
braces glob-base ms ultron
buffer-shims glob-parent negotiator unpipe
bytes graceful-fs normalize-path useragent
callsite has-binary object-component utf8
chokidar has-cors object.omit util-deprecate
colors http-errors on-finished utils-merge
component-bind http-proxy once void-elements
component-emitter iconv-lite optimist wordwrap
component-inherit indexof options wrappy
concat-map inflight parse-glob ws
connect inherits parsejson xmlhttprequest-ssl
content-type is-binary-path parseqs yeast
core-js is-buffer parseuri
core-util-is is-dotfile parseurl
custom-event is-equal-shallow path-is-absolute