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Node.js

Node.js, açık kaynak kodlu chrome v8 javascript motorunu kullanan, sunucu tarafında çalışan genelde web projelerinde karşımıza çıkan bir çalıştırma ortamı olarak geçiyor.

Sunucu tarafında javascript çalıştırmak ne kadar doğru bilemem ama iyi optimize edildiğinde oldukça performanslı çalışan projeler çıktığını gördük.

Nasıl Kurulur ?

macOS kardeşimiz için geliştirme ortamı oluşturmak adına aşağıdaki adımı yap

brew install node

NVM ile Versiyon Kontrolü

Birden fazla nodejs sürümü kullanacaksan, sisteminde nvm yüklü olmalı ve aşağıdaki ayarları eğer zsh kullanıyorsan mutlaka yap.

Kurulum içerisinde npm ve nodejs kütüphanelerinide sisteme kuracak sürüm yönetimi yapamk isterseniz nvm'i kendiniz sisteme dahil edin.

curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash

ardından .zshrc içerisine aşağıdaki tanım yapılır

export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"  # This loads nvm

Kullanılabilecek komutlar ve paramereler

[email protected] ~ » nvm

Node Version Manager

Note: <version> refers to any version-like string nvm understands. This includes:
  - full or partial version numbers, starting with an optional "v" (0.10, v0.1.2, v1)
  - default (built-in) aliases: node, stable, unstable, iojs, system
  - custom aliases you define with `nvm alias foo`

 Any options that produce colorized output should respect the `--no-colors` option.

Usage:
  nvm --help                                Show this message
  nvm --version                             Print out the installed version of nvm
  nvm install [-s] <version>                Download and install a <version>, [-s] from source. Uses .nvmrc if available
    --reinstall-packages-from=<version>     When installing, reinstall packages installed in <node|iojs|node version number>
    --lts                                   When installing, only select from LTS (long-term support) versions
    --lts=<LTS name>                        When installing, only select from versions for a specific LTS line
    --skip-default-packages                 When installing, skip the default-packages file if it exists
    --latest-npm                            After installing, attempt to upgrade to the latest working npm on the given node version
    --no-progress                           Disable the progress bar on any downloads
  nvm uninstall <version>                   Uninstall a version
  nvm uninstall --lts                       Uninstall using automatic LTS (long-term support) alias `lts/*`, if available.
  nvm uninstall --lts=<LTS name>            Uninstall using automatic alias for provided LTS line, if available.
  nvm use [--silent] <version>              Modify PATH to use <version>. Uses .nvmrc if available
    --lts                                   Uses automatic LTS (long-term support) alias `lts/*`, if available.
    --lts=<LTS name>                        Uses automatic alias for provided LTS line, if available.
  nvm exec [--silent] <version> [<command>] Run <command> on <version>. Uses .nvmrc if available
    --lts                                   Uses automatic LTS (long-term support) alias `lts/*`, if available.
    --lts=<LTS name>                        Uses automatic alias for provided LTS line, if available.
  nvm run [--silent] <version> [<args>]     Run `node` on <version> with <args> as arguments. Uses .nvmrc if available
    --lts                                   Uses automatic LTS (long-term support) alias `lts/*`, if available.
    --lts=<LTS name>                        Uses automatic alias for provided LTS line, if available.
  nvm current                               Display currently activated version of Node
  nvm ls                                    List installed versions
  nvm ls <version>                          List versions matching a given <version>
  nvm ls-remote                             List remote versions available for install
    --lts                                   When listing, only show LTS (long-term support) versions
  nvm ls-remote <version>                   List remote versions available for install, matching a given <version>
    --lts                                   When listing, only show LTS (long-term support) versions
    --lts=<LTS name>                        When listing, only show versions for a specific LTS line
  nvm version <version>                     Resolve the given description to a single local version
  nvm version-remote <version>              Resolve the given description to a single remote version
    --lts                                   When listing, only select from LTS (long-term support) versions
    --lts=<LTS name>                        When listing, only select from versions for a specific LTS line
  nvm deactivate                            Undo effects of `nvm` on current shell
  nvm alias [<pattern>]                     Show all aliases beginning with <pattern>
  nvm alias <name> <version>                Set an alias named <name> pointing to <version>
  nvm unalias <name>                        Deletes the alias named <name>
  nvm install-latest-npm                    Attempt to upgrade to the latest working `npm` on the current node version
  nvm reinstall-packages <version>          Reinstall global `npm` packages contained in <version> to current version
  nvm unload                                Unload `nvm` from shell
  nvm which [current | <version>]           Display path to installed node version. Uses .nvmrc if available
  nvm cache dir                             Display path to the cache directory for nvm
  nvm cache clear                           Empty cache directory for nvm

Example:
  nvm install 8.0.0                     Install a specific version number
  nvm use 8.0                           Use the latest available 8.0.x release
  nvm run 6.10.3 app.js                 Run app.js using node 6.10.3
  nvm exec 4.8.3 node app.js            Run `node app.js` with the PATH pointing to node 4.8.3
  nvm alias default 8.1.0               Set default node version on a shell
  nvm alias default node                Always default to the latest available node version on a shell

Note:
  to remove, delete, or uninstall nvm - just remove the `$NVM_DIR` folder (usually `~/.nvm`)