231 lines
4.7 KiB
Markdown
231 lines
4.7 KiB
Markdown
# node.js
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[Node.js](https://nodejs.org/fr/)® est un environnement d’exécution JavaScript construit sur le [moteur JavaScript V8 de Chrome](https://developers.google.com/v8/).
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[npm](https://www.npmjs.com) est un gestionnaire de paquets pour JavaScript automatiquement installé avec Node.
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[nvm](https://github.com/creationix/nvm) (Node Version Manager) est un gestionnaire de version de Node.
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### Installation (Homebrew):
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```bash
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# installer node et npm
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$ brew install node
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```
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### Installation (directe):
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Installer [Node.js](https://nodejs.org/en/download/) (version LTS)
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### Installation ([nvm](nvm.md)):
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```bash
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$ brew install nvm
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# installer Node 8
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$ nvm install 8
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# installer Node 10
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$ nvm install 10
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```
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### npm
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npm est un gestionnaire de paquets pour JavaScript automatiquement installé avec Node.
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#### Version de npm:
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```bash
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# version:
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$ node -v
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v9.5.0
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$ npm -v
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5.6.0
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```
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#### Update:
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```bash
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$ npm install npm@latest -g
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$ brew install node
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$ npm install npm --global
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```
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https://docs.npmjs.com/getting-started/fixing-npm-permissions#option-2-change-npms-default-directory-to-another-directory
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#### Local:
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Installer npm packages localement => `/Users/bruno/Sites/node_modules`
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- Installer: `npm install <package_name>`
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- Mise-à-jour: `npm update` (depuis le répertoire du module)
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- Desinstaller: `npm uninstall <package_name>`
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<u>Mises à jour disponibles:</u>
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```bash
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bruno@silverbook:~/Sites/node_modules$ npm outdated
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Package Current Wanted Latest Location
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jquery MISSING 3.2.1 3.2.1
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livephotoskit 1.4.11 1.5.2 1.5.2
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```
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`npm outdated` montre plusieurs choses:
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1. Current: la version actuelle du module.
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2. Wanted: la dernière version qui satisfait le semver ranges decrit dans le package.json
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3. Latest: la toutedernière version du module disponible sur npm.
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<u>Mettre-à-jour:</u>
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```bash
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$ npm outdated | awk '{print $1}' | xargs npm update
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```
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#### Global:
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Installer npm packages globalement => `/usr/local/lib/node_modules/`
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- Installer: `npm install -g <package_name>`
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- Mise-à-jour: `npm update -g <package_name>`
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- Désinstaller: `npm uninstall -g <package_name>`
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#### npm verb outdated not updating @angular/cli because it's currently at the maximum version that matches its specified semver range:
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[Stackoverflow](https://stackoverflow.com/questions/39758042/npm-update-does-not-do-anything) [semver range](https://docs.npmjs.com/misc/semver#advanced-range-syntax)
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```bash
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$ npm update -g --verbose @angular/cli
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npm verb outdated not updating rxjs because it's currently at the maximum version that matches its specified semver range
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```
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#### Plus info sur une commande:
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```bash
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# Mode verbose:
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$ npm update -g --verbose
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# Exécute la commande sans rien installer:
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$ npm install -g --dry-run
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```
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#### Aller dans node_modules:
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```bash
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bruno@SilverBook:~$ cd Sites/node_modules/
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```
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puis
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- Liste package installé: `nom ls`
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- Mises à jour disponibles: `nom outdated`
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- Installer une m-à-j: `nom update`
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- Installer un package: `nom install package`
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- Désinstaller un package: `nom uninstall package`
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#### Supprimer tous les modules:
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```bash
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$ for package in `ls node_modules`; do npm uninstall $package; done;
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```
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#### Maintenance:
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```bash
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$ npm doctor
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npm WARN verifyCachedFiles Content garbage-collected: 46 (4358853 bytes)
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npm WARN verifyCachedFiles Cache issues have been fixed
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Check Value Recommendation
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npm ping OK
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npm -v v5.10.0 Use npm v6.4.1
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node -v v8.11.4
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npm config get registry https://registry.npmjs.org/
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which git /usr/bin/git
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Perms check on cached files ok
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Perms check on global node_modules ok
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Perms check on local node_modules ok
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Verify cache contents verified 2159 tarballs
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```
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#### Info sur un package:
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```bash
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$ npm show cli
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# idem:
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# npm info cli
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# npm view cli
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cli@1.0.1 | MIT | deps: 2 | versions: 59
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A tool for rapidly building command line apps
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http://github.com/node-js-libs/cli
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keywords: cli, command line, opts, parseopt, opt, args, console, argsparse, optparse, autocomplete, command, autocompletion
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dist
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.tarball: https://registry.npmjs.org/cli/-/cli-1.0.1.tgz
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.shasum: 22817534f24bfa4950c34d532d48ecbc621b8c14
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dependencies:
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exit: 0.1.2 glob: ^7.1.1
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maintainers:
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- cohara87 <cohara87@gmail.com>
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dist-tags:
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latest: 1.0.1
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published over a year ago by cohara87 <cohara87@gmail.com>
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```
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#### Packages:
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[Rechercher un package](https://npms.io)
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##### uninstall-all-modules
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Desinstaller tous les modules=
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```bash
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$ npm uninstall
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```
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##### livephotoskit, jquery, picturefill |