re-natal/re-natal.coffee

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# Re-Natal
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# Bootstrap ClojureScript React Native apps
# Dan Motzenbecker
# http://oxism.com
# MIT License
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fs = require 'fs-extra'
fpath = require 'path'
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net = require 'net'
http = require 'http'
os = require 'os'
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child = require 'child_process'
cli = require 'commander'
chalk = require 'chalk'
semver = require 'semver'
ckDeps = require 'check-dependencies'
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pkgJson = require __dirname + '/package.json'
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nodeVersion = pkgJson.engines.node
resources = __dirname + '/resources'
validNameRx = /^[A-Z][0-9A-Z]*$/i
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camelRx = /([a-z])([A-Z])/g
projNameRx = /\$PROJECT_NAME\$/g
projNameHyphRx = /\$PROJECT_NAME_HYPHENATED\$/g
projNameUsRx = /\$PROJECT_NAME_UNDERSCORED\$/g
interfaceDepsRx = /\$INTERFACE_DEPS\$/g
platformRx = /\$PLATFORM\$/g
devHostRx = /\$DEV_HOST\$/g
figwheelUrlRx = /ws:\/\/[0-9a-zA-Z\.]*:/g
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rnVersion = '0.19.0'
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rnPackagerPort = 8081
process.title = 're-natal'
interfaceConf =
'reagent':
cljsDir: "cljs-reagent"
sources:
ios: ["core.cljs"]
android: ["core.cljs"]
common: ["handlers.cljs", "subs.cljs", "db.cljs"]
other: []
deps: ['[reagent "0.5.1" :exclusions [cljsjs/react]]'
'[re-frame "0.6.0"]'
'[prismatic/schema "1.0.4"]']
shims: ["cljsjs.react"]
sampleCommandNs: '(in-ns \'$PROJECT_NAME_HYPHENATED$.ios.core)'
sampleCommand: '(dispatch [:set-greeting "Hello Native World!"])'
'om-next':
cljsDir: "cljs-om-next"
sources:
ios: ["core.cljs"]
android: ["core.cljs"]
common: ["state.cljs"]
other: [["support.cljs","re_natal/support.cljs"]]
deps: ['[org.omcljs/om "1.0.0-alpha28" :exclusions [cljsjs/react cljsjs/react-dom]]'
'[natal-shell "0.1.6"]']
shims: ["cljsjs.react", "cljsjs.react.dom"]
sampleCommandNs: '(in-ns \'$PROJECT_NAME_HYPHENATED$.state)'
sampleCommand: '(swap! app-state assoc :app/msg "Hello Native World!")'
interfaceNames = Object.keys interfaceConf
defaultInterface = 'reagent'
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log = (s, color = 'green') ->
console.log chalk[color] s
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logErr = (err, color = 'red') ->
console.error chalk[color] err
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process.exit 1
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exec = (cmd, keepOutput) ->
if keepOutput
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child.execSync cmd
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else
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child.execSync cmd, stdio: 'ignore'
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ensureExecutableAvailable = (executable) ->
if os.platform() == 'win32'
try
exec "where #{executable}"
catch e
throw new Error("type: #{executable}: not found")
else
exec "type #{executable}"
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ensureOSX = (cb) ->
if os.platform() == 'darwin'
cb()
else
logErr 'This command is only available on OSX'
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readFile = (path) ->
fs.readFileSync path, encoding: 'ascii'
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edit = (path, pairs) ->
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fs.writeFileSync path, pairs.reduce (contents, [rx, replacement]) ->
contents.replace rx, replacement
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, readFile path
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toUnderscored = (s) ->
s.replace(camelRx, '$1_$2').toLowerCase()
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checkPort = (port, cb) ->
sock = net.connect {port}, ->
sock.end()
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http.get "http://localhost:#{port}/status", (res) ->
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data = ''
res.on 'data', (chunk) -> data += chunk
res.on 'end', ->
cb data.toString() isnt 'packager-status:running'
.on 'error', -> cb true
.setTimeout 3000
sock.on 'error', ->
sock.end()
cb false
ensureFreePort = (cb) ->
checkPort rnPackagerPort, (inUse) ->
if inUse
logErr "
Port #{rnPackagerPort} is currently in use by another process
and is needed by the React Native packager.
"
cb()
ensureXcode = (cb) ->
try
ensureExecutableAvailable 'xcodebuild'
cb();
catch {message}
if message.match /type.+xcodebuild/i
logErr 'Xcode Command Line Tools are required'
generateConfig = (interfaceName, projName) ->
log 'Creating Re-Natal config'
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config =
name: projName
interface: interfaceName
androidHost: "localhost"
modules: []
imageDirs: ["images"]
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writeConfig config
config
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writeConfig = (config) ->
try
fs.writeFileSync '.re-natal', JSON.stringify config, null, 2
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catch {message}
logErr \
if message.match /EACCES/i
'Invalid write permissions for creating .re-natal config file'
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else
message
verifyConfig = (config) ->
if !config.androidHost? || !config.modules? || !config.imageDirs? || !config.interface?
throw new Error 're-natal project needs to be upgraded, please run: re-natal upgrade'
config
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readConfig = (verify = true)->
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try
config = JSON.parse readFile '.re-natal'
if (verify)
verifyConfig(config)
else
config
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catch {message}
logErr \
if message.match /ENOENT/i
'No Re-Natal config was found in this directory (.re-natal)'
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else if message.match /EACCES/i
'No read permissions for .re-natal'
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else if message.match /Unexpected/i
'.re-natal contains malformed JSON'
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else
message
scanImageDir = (dir) ->
fnames = fs.readdirSync(dir)
.map (fname) -> "#{dir}/#{fname}"
.filter (path) -> fs.statSync(path).isFile()
.map (path) -> path.replace /@2x|@3x/i, ''
.filter (v, idx, slf) -> slf.indexOf(v) == idx
dirs = fs.readdirSync(dir)
.map (fname) -> "#{dir}/#{fname}"
.filter (path) -> fs.statSync(path).isDirectory()
fnames.concat scanImages(dirs)
scanImages = (dirs) ->
imgs = []
for dir in dirs
imgs = imgs.concat(scanImageDir(dir));
imgs
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configureDevHostForAndroidDevice = (deviceType) ->
try
allowedTypes = {'real': 'localhost', 'avd': '10.0.2.2', 'genymotion': '10.0.3.2'}
devHost = allowedTypes[deviceType]
if (! devHost?)
throw new Error "Unknown android device type #{deviceType}, known types are #{Object.keys(allowedTypes)}"
log "Using host '#{devHost}' for android device type '#{deviceType}'"
config = readConfig()
config.androidHost = devHost
writeConfig(config)
catch {message}
logErr message
copyDevEnvironmentFiles = (interfaceName, projNameHyph, projName, devHost) ->
fs.mkdirpSync "env/dev/env/ios"
fs.mkdirpSync "env/dev/env/android"
userNsPath = "env/dev/user.clj"
fs.copySync("#{resources}/user.clj", userNsPath)
mainIosDevPath = "env/dev/env/ios/main.cljs"
mainAndroidDevPath = "env/dev/env/android/main.cljs"
cljsDir = interfaceConf[interfaceName].cljsDir
fs.copySync("#{resources}/#{cljsDir}/main_dev.cljs", mainIosDevPath)
edit mainIosDevPath, [[projNameHyphRx, projNameHyph], [projNameRx, projName], [platformRx, "ios"], [devHostRx, devHost] ]
fs.copySync("#{resources}/#{cljsDir}/main_dev.cljs", mainAndroidDevPath)
edit mainAndroidDevPath, [[projNameHyphRx, projNameHyph], [projNameRx, projName], [platformRx, "android"], [devHostRx, devHost]]
copyProdEnvironmentFiles = (interfaceName, projNameHyph, projName) ->
fs.mkdirpSync "env/prod/env/ios"
fs.mkdirpSync "env/prod/env/android"
mainIosProdPath = "env/prod/env/ios/main.cljs"
mainAndroidProdPath = "env/prod/env/android/main.cljs"
cljsDir = interfaceConf[interfaceName].cljsDir
fs.copySync("#{resources}/#{cljsDir}/main_prod.cljs", mainIosProdPath)
edit mainIosProdPath, [[projNameHyphRx, projNameHyph], [projNameRx, projName], [platformRx, "ios"]]
fs.copySync("#{resources}/#{cljsDir}/main_prod.cljs", mainAndroidProdPath)
edit mainAndroidProdPath, [[projNameHyphRx, projNameHyph], [projNameRx, projName], [platformRx, "android"]]
copyFigwheelBridge = (projNameUs) ->
fs.copySync("#{resources}/figwheel-bridge.js", "./figwheel-bridge.js")
edit "figwheel-bridge.js", [[projNameUsRx, projNameUs]]
updateGitIgnore = () ->
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fs.appendFileSync(".gitignore", "\n# Generated by re-natal\n#\nindex.android.js\nindex.ios.js\ntarget/\n")
fs.appendFileSync(".gitignore", "\n# Figwheel\n#\nfigwheel_server.log")
patchReactNativePackager = () ->
ckDeps.sync {install: true, verbose: false}
log "Patching react-native packager to serve *.map files"
edit "node_modules/react-native/packager/react-packager/src/Server/index.js",
[[/match.*\.map\$\/\)/m, "match(/index\\..*\\.map$/)"]]
shimCljsNamespace = (ns) ->
filePath = "src/" + ns.replace(/\./g, "/") + ".cljs"
fs.mkdirpSync fpath.dirname(filePath)
fs.writeFileSync(filePath, "(ns #{ns})")
copySrcFiles = (interfaceName, projName, projNameUs, projNameHyph) ->
cljsDir = interfaceConf[interfaceName].cljsDir
fileNames = interfaceConf[interfaceName].sources.common;
for fileName in fileNames
path = "src/#{projNameUs}/#{fileName}"
fs.copySync("#{resources}/#{cljsDir}/#{fileName}", path)
edit path, [[projNameHyphRx, projNameHyph], [projNameRx, projName]]
platforms = ["ios", "android"]
for platform in platforms
fs.mkdirSync "src/#{projNameUs}/#{platform}"
fileNames = interfaceConf[interfaceName].sources[platform]
for fileName in fileNames
path = "src/#{projNameUs}/#{platform}/#{fileName}"
fs.copySync("#{resources}/#{cljsDir}/#{fileName}", path)
edit path, [[projNameHyphRx, projNameHyph], [projNameRx, projName], [platformRx, platform]]
otherFiles = interfaceConf[interfaceName].sources.other;
for cpFile in otherFiles
from = "#{resources}/#{cljsDir}/#{cpFile[0]}"
to = "src/#{cpFile[1]}"
fs.copySync(from, to)
shims = fileNames = interfaceConf[interfaceName].shims;
for namespace in shims
shimCljsNamespace(namespace)
copyProjectClj = (interfaceName, projNameHyph) ->
fs.copySync("#{resources}/project.clj", "project.clj")
deps = interfaceConf[interfaceName].deps.join("\n")
edit 'project.clj', [[projNameHyphRx, projNameHyph], [interfaceDepsRx, deps]]
init = (interfaceName, projName) ->
if projName.toLowerCase() is 'react' or !projName.match validNameRx
logErr 'Invalid project name. Use an alphanumeric CamelCase name.'
projNameHyph = projName.replace(camelRx, '$1-$2').toLowerCase()
projNameUs = toUnderscored projName
try
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log "Creating #{projName}", 'bgMagenta'
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log ''
if fs.existsSync projNameHyph
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throw new Error "Directory #{projNameHyph} already exists"
ensureExecutableAvailable 'lein'
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log 'Creating Leiningen project'
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exec "lein new #{projNameHyph}"
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log 'Updating Leiningen project'
process.chdir projNameHyph
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fs.removeSync "resources"
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corePath = "src/#{projNameUs}/core.clj"
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fs.unlinkSync corePath
copyProjectClj(interfaceName, projNameHyph)
copySrcFiles(interfaceName, projName, projNameUs, projNameHyph)
fs.mkdirSync "env"
copyDevEnvironmentFiles(interfaceName, projNameHyph, projName, "localhost")
copyProdEnvironmentFiles(interfaceName, projNameHyph, projName)
fs.copySync("#{resources}/images", "./images")
log 'Creating React Native skeleton. Relax, this takes a while...'
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fs.writeFileSync 'package.json', JSON.stringify
name: projName
version: '0.0.1'
private: true
scripts:
start: 'node_modules/react-native/packager/packager.sh'
dependencies:
'react-native': rnVersion
, null, 2
exec 'npm i'
fs.unlinkSync '.gitignore'
exec "node -e
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\"require('react-native/local-cli/cli').init('.', '#{projName}')\"
"
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updateGitIgnore()
generateConfig(interfaceName, projName)
copyFigwheelBridge(projNameUs)
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log 'Compiling ClojureScript'
exec 'lein prod-build'
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log ''
log 'To get started with your new app, first cd into its directory:', 'yellow'
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log "cd #{projNameHyph}", 'inverse'
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log ''
log 'Open iOS app in xcode and run it:' , 'yellow'
log 're-natal xcode', 'inverse'
log ''
log 'To use figwheel type:' , 'yellow'
log 're-natal use-figwheel', 'inverse'
log 'lein figwheel ios', 'inverse'
log ''
log 'Reload the app in simulator'
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log ''
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log 'At the REPL prompt type this:', 'yellow'
log interfaceConf[interfaceName].sampleCommandNs.replace(projNameHyphRx, projNameHyph), 'inverse'
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log ''
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log 'Changes you make via the REPL or by changing your .cljs files should appear live.', 'yellow'
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log ''
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log 'Try this command as an example:', 'yellow'
log interfaceConf[interfaceName].sampleCommand, 'inverse'
log ''
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log '✔ Done', 'bgMagenta'
log ''
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catch {message}
logErr \
if message.match /type.+lein/i
'Leiningen is required (http://leiningen.org)'
else if message.match /npm/i
"npm install failed. This may be a network issue. Check #{projNameHyph}/npm-debug.log for details."
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else
message
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openXcode = (name) ->
try
exec "open ios/#{name}.xcodeproj"
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catch {message}
logErr \
if message.match /ENOENT/i
"""
Cannot find #{name}.xcodeproj in ios.
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Run this command from your project's root directory.
"""
else if message.match /EACCES/i
"Invalid permissions for opening #{name}.xcodeproj in ios"
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else
message
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generateRequireModulesCode = (modules) ->
jsCode = "var modules={'react-native': require('react-native')};"
for m in modules
jsCode += "modules['#{m}']=require('#{m}');";
jsCode += '\n'
updateFigwheelUrlForAndroid= (devHost) ->
mainAndroidDevPath = "env/dev/env/android/main.cljs"
edit mainAndroidDevPath, [[figwheelUrlRx, "ws://#{devHost}:"]]
generateDevScripts = () ->
try
config = readConfig()
projName = config.name
depState = ckDeps.sync {install: false, verbose: false}
if (!depState.depsWereOk)
throw new Error "Missing dependencies, please run: re-natal deps"
log 'Cleaning...'
exec 'lein clean'
images = scanImages(config.imageDirs).map (fname) -> './' + fname;
modulesAndImages = config.modules.concat images;
moduleMap = generateRequireModulesCode modulesAndImages
androidDevHost = config.androidHost
fs.writeFileSync 'index.ios.js', "#{moduleMap}require('figwheel-bridge').withModules(modules).start('#{projName}','ios','localhost');"
log 'index.ios.js was regenerated'
fs.writeFileSync 'index.android.js', "#{moduleMap}require('figwheel-bridge').withModules(modules).start('#{projName}','android','#{androidDevHost}');"
log 'index.android.js was regenerated'
updateFigwheelUrlForAndroid(androidDevHost)
log 'Dev server host for iOS: localhost'
log 'Dev server host for Android: ' + androidDevHost
catch {message}
logErr \
if message.match /EACCES/i
'Invalid write permissions for creating development scripts'
else
message
doUpgrade = (config) ->
projName = config.name;
projNameHyph = projName.replace(camelRx, '$1-$2').toLowerCase()
projNameUs = toUnderscored projName
unless config.interface
config.interface = defaultInterface
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unless config.modules
config.modules = []
unless config.imageDirs
config.imageDirs = ["images"]
unless config.androidHost
config.androidHost = "localhost"
writeConfig(config)
log 'upgraded .re-natal'
interfaceName = config.interface;
copyDevEnvironmentFiles(interfaceName, projNameHyph, projName, "localhost")
copyProdEnvironmentFiles(interfaceName, projNameHyph, projName)
log 'upgraded files in env/'
copyFigwheelBridge(projNameUs)
log 'upgraded figwheel-bridge.js'
edit "src/#{projNameUs}/ios/core.cljs", [[/\^:figwheel-load\s/g, ""]]
edit "src/#{projNameUs}/android/core.cljs", [[/\^:figwheel-load\s/g, ""]]
log 'upgraded core.cljs'
edit '.gitignore', [[/^\s*env\/dev\s*$/m, ""]]
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gignore = readFile '.gitignore'
if (!gignore.match /^\s*target\/\s*$/m)
fs.appendFileSync(".gitignore", "\ntarget/\n")
log 'upgraded .gitignore'
useComponent = (name) ->
log "Component '#{name}' is now configured for figwheel, please re-run 'use-figwheel' command to take effect"
try
config = readConfig()
config.modules.push name
writeConfig(config)
catch {message}
logErr message
cli._name = 're-natal'
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cli.version pkgJson.version
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cli.command 'init <name>'
.description 'create a new ClojureScript React Native project'
.option "-i, --interface [#{interfaceNames.join ' '}]", 'specify React interface', defaultInterface
.action (name, cmd) ->
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if typeof name isnt 'string'
logErr '''
re-natal init requires a project name as the first argument.
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e.g.
re-natal init HelloWorld
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'''
unless interfaceConf[cmd.interface]
logErr "Unsupported React interface: #{cmd.interface}, one of [#{interfaceNames}] was expected."
ensureFreePort -> init(cmd.interface, name)
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cli.command 'upgrade'
.description 'upgrades project files to current installed version of re-natal (the upgrade of re-natal itself is done via npm)'
.action ->
doUpgrade readConfig(false)
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cli.command 'xcode'
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.description 'open Xcode project'
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.action ->
ensureOSX ->
ensureXcode ->
openXcode readConfig().name
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cli.command 'deps'
.description 'install all dependencies for the project'
.action ->
ckDeps.sync {install: true, verbose: true}
cli.command 'use-figwheel'
.description 'generate index.ios.js and index.android.js for development with figwheel'
.action () ->
generateDevScripts()
cli.command 'use-android-device <type>'
.description 'sets up the host for android device type: \'real\' - localhost, \'avd\' - 10.0.2.2, \'genymotion\' - 10.0.3.2'
.action (type) ->
configureDevHostForAndroidDevice type
cli.command 'use-component <name>'
.description 'configures a custom component to work with figwheel. name is the value you pass to (js/require) function.'
.action (name) ->
useComponent(name)
cli.command 'enable-source-maps'
.description 'patches RN packager to server *.map files from filesystem, so that chrome can download them.'
.action () ->
patchReactNativePackager()
cli.command 'copy-figwheel-bridge'
.description 'copy figwheel-bridge.js into project'
.action () ->
copyFigwheelBridge(readConfig(false).name)
log "Copied figwheel-bridge.js"
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cli.on '*', (command) ->
logErr "unknown command #{command[0]}. See re-natal --help for valid commands"
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unless semver.satisfies process.version[1...], nodeVersion
logErr """
Re-Natal requires Node.js version #{nodeVersion}
You have #{process.version[1...]}
"""
if process.argv.length <= 2
cli.outputHelp()
else
cli.parse process.argv