114 lines
4.2 KiB
Markdown
114 lines
4.2 KiB
Markdown
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---
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title: Node.js / Volta / ZX Install
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description: Ensures Node.js, Volta, and ZX are installed prior to Chezmoi applying the dotfile state.
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sidebar_label: 08 Node.js / Volta / ZX Install
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slug: /scripts/before/run_onchange_before_08-install-zx.sh.tmpl
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githubLocation: https://github.com/megabyte-labs/install.doctor/blob/master/home/.chezmoiscripts/universal/run_onchange_before_08-install-zx.sh.tmpl
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scriptLocation: https://github.com/megabyte-labs/install.doctor/raw/master/home/.chezmoiscripts/universal/run_onchange_before_08-install-zx.sh.tmpl
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repoLocation: home/.chezmoiscripts/universal/run_onchange_before_08-install-zx.sh.tmpl
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---
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# Node.js / Volta / ZX Install
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Ensures Node.js, Volta, and ZX are installed prior to Chezmoi applying the dotfile state.
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## Overview
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This script ensures required dependencies are installed. These dependencies include:
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1. **[Node.js](https://nodejs.org/en)**: JavaScript runtime engine which is installed to ensure any user with Homebrew configured can access Node.js
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2. **[Volta](https://volta.sh/)**: Node.js version manager that provides the capability of automatically using `package.json` defined Node.js versions
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3. **[ZX](https://github.com/google/zx)**: Used for the script that installs the software packages on any OS
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The Volta setup process will ensure that the user is configured to use the latest Node.js version, by default. It then
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also ensures the user's `~/.bashrc` and `~/.zshrc` profiles are setup for use with Volta.
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## Source Code
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```
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{{- if (ne .host.distro.family "windows") -}}
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#!/usr/bin/env bash
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# @file Node.js / Volta / ZX Install
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# @brief Ensures Node.js, Volta, and ZX are installed prior to Chezmoi applying the dotfile state.
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# @description
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# This script ensures required dependencies are installed. These dependencies include:
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#
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# 1. **[Node.js](https://nodejs.org/en)**: JavaScript runtime engine which is installed to ensure any user with Homebrew configured can access Node.js
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# 2. **[Volta](https://volta.sh/)**: Node.js version manager that provides the capability of automatically using `package.json` defined Node.js versions
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# 3. **[ZX](https://github.com/google/zx)**: Used for the script that installs the software packages on any OS
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#
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# The Volta setup process will ensure that the user is configured to use the latest Node.js version, by default. It then
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# also ensures the user's `~/.bashrc` and `~/.zshrc` profiles are setup for use with Volta.
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{{ includeTemplate "universal/profile-before" }}
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{{ includeTemplate "universal/logg-before" }}
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### Ensure node is installed
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if ! command -v node > /dev/null; then
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if command -v brew; then
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logg 'Installing `node` via Homebrew'
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brew install node || NODE_EXIT_CODE=$?
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if [ -n "$NODE_EXIT_CODE" ]; then
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logg warn 'Calling `brew link --overwrite node` because the Node.js installation seems to be misconfigured'
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brew link --overwrite node
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fi
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else
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logg '`brew` is unavailable. Cannot use it to perform a system installation of node.'
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fi
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else
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logg '`node` is available'
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fi
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### Ensure Volta is installed
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if ! command -v volta > /dev/null; then
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if command -v brew > /dev/null; then
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logg 'Installing `volta` via `brew`'
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brew install volta
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else
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logg warn '`brew` needs to be available to install Volta'
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fi
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else
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if ! node --version > /dev/null; then
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volta install node@latest
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fi
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fi
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### Setup Volta
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if command -v volta > /dev/null; then
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### Handle scenario where VOLTA_HOME is not defined yet
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if [ -z "$VOLTA_HOME" ]; then
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logg warn 'VOLTA_HOME is not defined'
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logg info 'Running `volta setup`'
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volta setup
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fi
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### Source .bashrc
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if [ -f "$HOME/.bashrc" ]; then
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. "$HOME/.bashrc"
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else
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logg warn 'Could not find `~/.bashrc` to source the results of `volta setup` from'
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fi
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### Set PATH and install latest Node.js version via Volta
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export PATH="$VOLTA_HOME/bin:$PATH"
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logg 'Installing `node` via `volta`'
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volta install node@latest
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else
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logg warn '`volta` needs to be installed'
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fi
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### Ensure zx is installed
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if ! command -v zx > /dev/null; then
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if command -v volta > /dev/null; then
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logg 'Installing `zx` via `volta`'
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volta install zx
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else
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logg '`volta` is missing'
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fi
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else
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logg '`zx` is already installed'
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fi
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{{ end -}}
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```
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