loremIpsum1771 loremIpsum1771 - 1 year ago 285
HTTP Question

Error when trying to run npm http-server

I have a node.js/angular2 project which I had previously been serving using lite-server but as I need to serve server-side files, I am switching to using http-server. To run lite server and the typescript compiler simultaneously before, I had the command:

"start": "tsc && concurrently \"tsc -w\" \"lite-server\" ",
in my package.json. I initially switched it to
"start": "tsc && concurrently \"tsc -w\" \"http-server\" ",
which I found gave the error:

[1] 'http-server' is not recognized as an internal or external command,
1] operable program or batch file.
1] http-server exited with code 1

After having seen this SO post, I tried:
tsc && concurrently "tsc -w" "./node_modules/http-server/bin"
which returned the same error.
What is the correct command to run


I modified my
as was suggested:

"name": "angular2-quickstart",
"version": "1.0.0",
"description": "QuickStart package.json from the documentation, supplemented with testing support",
"scripts": {
"start": "tsc && concurrently \"tsc -w\" \"node app/index.js\" ",
"docker-build": "docker build -t ng2-quickstart .",
"docker": "npm run docker-build && docker run -it --rm -p 3000:3000 -p 3001:3001 ng2-quickstart",
"pree2e": "npm run webdriver:update",
"e2e": "tsc && concurrently \"http-server -s\" \"protractor protractor.config.js\" --kill-others --success first",
"lint": "tslint ./app/**/*.ts -t verbose",
"lite": "lite-server",
"http": "http-server",
"postinstall": "typings install",
"server": "http-server",
"test": "tsc && concurrently \"tsc -w\" \"karma start karma.conf.js\"",
"test-once": "tsc && karma start karma.conf.js --single-run",
"tsc": "tsc",
"tsc:w": "tsc -w",
"typings": "typings",
"webdriver:update": "webdriver-manager update"
"keywords": [],
"author": "",
"license": "ISC",
"dependencies": {
"@angular/common": "2.0.0-rc.4",
"@angular/compiler": "2.0.0-rc.4",
"@angular/core": "2.0.0-rc.4",
"@angular/forms": "0.2.0",
"@angular/http": "2.0.0-rc.4",
"@angular/platform-browser": "2.0.0-rc.4",
"@angular/platform-browser-dynamic": "2.0.0-rc.4",
"@angular/router": "3.0.0-beta.2",
"@angular/router-deprecated": "2.0.0-rc.2",
"@angular/upgrade": "2.0.0-rc.4",
"angular2-in-memory-web-api": "0.0.14",
"bootstrap": "^3.3.6",
"cheerio": "latest",
"core-js": "^2.4.0",
"express": "latest",
"file-system": "^2.2.1",
"http-server": "^0.9.0",
"reflect-metadata": "^0.1.3",
"request": "latest",
"rxjs": "5.0.0-beta.6",
"systemjs": "0.19.27",
"zone.js": "^0.6.12"
"devDependencies": {
"concurrently": "^2.2.0",
"lite-server": "^2.2.0",
"typescript": "^1.8.10",
"typings": "^1.0.4",
"canonical-path": "0.0.2",
"http-server": "latest",
"tslint": "^3.7.4",
"lodash": "^4.11.1",
"jasmine-core": "~2.4.1",
"karma": "^0.13.22",
"karma-chrome-launcher": "^0.2.3",
"karma-cli": "^0.1.2",
"karma-htmlfile-reporter": "^0.2.2",
"karma-jasmine": "^0.3.8",
"protractor": "^3.3.0",
"rimraf": "^2.5.2"
"repository": {}

I ran the command
npm install http-server --save
in the project root and got the following errors:

+-- @reactivex/rxjs@5.0.0-beta.10 extraneous
+-- UNMET PEER DEPENDENCY reflect-metadata@0.1.3
`-- UNMET PEER DEPENDENCY rxjs@5.0.0-beta.6

npm WARN optional Skipping failed optional dependency /chokidar/fsevents:
npm WARN notsup Not compatible with your operating system or architecture: fsevents@1.0.14
npm WARN angular2@2.0.0-beta.15 requires a peer of reflect-metadata@0.1.2 but none was installed.
npm WARN angular2@2.0.0-beta.15 requires a peer of rxjs@5.0.0-beta.2 but none was installed.

These packages were installed initially so what could be causing these errors?

Answer Source

The corrent command is http-server, but you need to make sure you have http-server installed properly.

If you used npm install -g http-server, you just use http-server, anywhere. CLI or package.json scripts, doesn't matter, it just works.

If you used npm install http-server --save or save-dev etc, then you still just use http-server, but as part of a package.json script. It will then only work through npm scripts, because npm does all the environment bootstrapping for you. Don't try to guess at the http-server bin location.

For bonus points, capture all the different things as their own npm tasks, and then use npm task composition or something like npm-run-all:

"scripts": {
  "server": "http-server",
  "tsc": "tsc",
  "tsc:w": "tsc -w",
  "start": "npm-run-all tsc tsc:w server"
"dependencies": {
  "http-server": "...",
Recommended from our users: Dynamic Network Monitoring from WhatsUp Gold from IPSwitch. Free Download