1st class web development with lineman

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My name is Justin Searls Please tweet me @searls & Say [email protected]

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@linemanjs linemanjs.com

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Java Developers

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Java Developers

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Ruby Developers

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Ruby Developers

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.NET Developers

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.NET Developers

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JavaScript Developers

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JavaScript Developers

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JavaScript Developers

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JavaScript Developers

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JavaScript Developers

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not soluble

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Inefficiency

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Browser capability

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Browser capability Opportunity cost

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Browser capability Opportunity cost

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Rails won the war.

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Rails won the war? which

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"Good frameworks are extractions, not inventions." - DHH

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Routing

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Routing Models

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Routing Models Persistence

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Routing Models Persistence Sessions

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Routing Models Persistence Sessions Mailers

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Routing Models Persistence Sessions Mailers JS-free Dynamism

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HTML UI

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HTML UI ! Item 1

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HTML UI ! Item 1 !

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JavaScript UI

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JavaScript UI ! new ItemView('#items').render()

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JavaScript UI ! new ItemView('#items').render() ! $('button').click(function(e){ $('.alert').text('Thanks!').show() });

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HTML UI ! app ├── controllers │ └── items_controller.rb ├── models │ └── item.rb └── views └── items └── index.html.erb

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HTML UI ! app ├── controllers │ └── items_controller.rb ├── models │ └── item.rb ├── views │ └── items │ └── index.html.erb └── assets └── javascripts └── application.js

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HTML UI + JS UI ! app ├── controllers │ └── items_controller.rb ├── models │ └── item.rb ├── views │ └── items │ └── index.html.erb └── assets └── javascripts └── more_app ├── controllers │ └── items_controller.js ├── models │ └── item.js └── views └── items └── index.jst.ejs

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JSON API + JS UI ! app ├── controllers │ └── items_controller.rb ├── models │ └── item.rb │ │ │ └── assets └── javascripts └── more_app ├── controllers │ └── items_controller.js ├── models │ └── item.js └── views └── items └── index.jst.ejs

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what's wrong with vestigial appendages?

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app/

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app/

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app/

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app/

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ap p/

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app1/ ! app2/

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app1/ ! app2/

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app1/ ! app2/

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app1/ ! app2/

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app1

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app1

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app1 app2

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late extraction costs more than early abstraction

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late extraction costs more than early abstraction

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When you see this:

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When you see this: !

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When you see this: ! user = <%= user.to_json %>

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When you see this: ! user = <%= user.to_json %> time = <%= Time.now.to_i %>

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When you see this: ! user = <%= user.to_json %> time = <%= Time.now.to_i %> items = <%= items.to_json %>

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When you see this: ! user = <%= user.to_json %> time = <%= Time.now.to_i %> items = <%= items.to_json %> token = "<%= @token %>"

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When you see this: ! user = <%= user.to_json %> time = <%= Time.now.to_i %> items = <%= items.to_json %> token = "<%= @token %>" your API is broken

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We think we're

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But sometimes we're

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mature ≈ convenient

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Before Rails was easy

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Before Rails was easy JavaScript wasn't hard

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Convenience

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Server-side

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Client-side

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Just kidding.

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Client-side

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Do the Simplest Thing

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Do the Simplest Thing 1. Show data in a table

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Do the Simplest Thing 1. Show data in a table 2. Now render it as a graph

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Do the Simplest Thing 1. Show data in a table 2. Now render it as a graph 3. (ͮŇ㷩㷩Ň)ͮ

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Do the Simplest Thing 1. Show data in a table 2. Now render it as a graph 3. (ͮŇ㷩㷩Ň)ͮ 4. Now add filters, sliders, & zoom to the graph!

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Do the Simplest Thing 1. Show data in a table 2. Now render it as a graph 3. (ͮŇ㷩㷩Ň)ͮ 4. Now add filters, sliders, & zoom to the graph! 5. (ಠ_ಠ)

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the simple cliff

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the simple cliff

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the simple cliff

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the simple cliff

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the simple cliff

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the simple cliff (›°□°ʣ›ớ

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Compete on easy.

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App Framework Convention & Config Build Automation

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Rails App Framework Convention & Config Build Automation

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Rails Rails App Framework Convention & Config Build Automation

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Rails Rails Railsy Rake App Framework Convention & Config Build Automation

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Rails Rails Railsy Rake App Framework Convention & Config Build Automation Backbone

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Rails Rails Railsy Rake App Framework Convention & Config Build Automation Backbone Ember

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Rails Rails Railsy Rake App Framework Convention & Config Build Automation Backbone Ember Angular

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Rails Rails Railsy Rake App Framework Convention & Config Build Automation Backbone Ember Angular ᵇ(´-ʆ)ᵃ 

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Rails Rails Railsy Rake App Framework Convention & Config Build Automation Grunt (Node.js) Backbone Ember Angular ᵇ(´-ʆ)ᵃ 

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Rails Rails Railsy Rake App Framework Convention & Config Build Automation Grunt (Node.js) Lineman Backbone Ember Angular ᵇ(´-ʆ)ᵃ 

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! $ npm install -g lineman Install

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! $ npm install -g lineman Install ! $ lineman new my-app Create

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;?❤️!

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;?❤️! # @ ;

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;?❤️! # @ ; ☕-script!

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Grunt

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} make Cmake Rake Ant / NAnt MSBuild Maven Grunt

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Easy peasy ! $ cat tasks/hello.js !

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Easy peasy ! $ cat tasks/hello.js ! module.exports = function(grunt) { };

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Easy peasy ! $ cat tasks/hello.js ! module.exports = function(grunt) { grunt.registerTask("hello",function(){ }); };

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Easy peasy ! $ cat tasks/hello.js ! module.exports = function(grunt) { grunt.registerTask("hello",function(){ grunt.log.writeln("Hello!"); }); };

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Easy peasy ! $ grunt hello !

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Easy peasy ! $ grunt hello ! Running "hello" task Hello! ! Done, without errors.

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tasks

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config tasks

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grunt-contrib-clean grunt-contrib-coffee grunt-contrib-concat grunt-contrib-copy grunt-contrib-handlebars grunt-contrib-jshint grunt-contrib-jst grunt-contrib-less grunt-contrib-sass grunt-contrib-cssmin grunt-contrib-uglify grunt-watch-nospawn grunt-contrib-imagemin grunt-jasmine-bundle grunt-contrib-compass

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Client Server

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Client Server ?

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Client Server

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Client Server

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Lineman Sinatra

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Lineman Sinatra

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Lineman Sinatra

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Lineman Sinatra

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Lineman Sinatra

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Client Server

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Client Server

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Client Server

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Client Server

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Lineman Sinatra

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Lineman Sinatra

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Lineman Sinatra

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Lineman Sinatra

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30 minute test build

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4 minutes

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4 minutes 4 minutes +

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4 minutes 4 minutes + + 2 minutes

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4 minutes 4 minutes + + 2 minutes 10 minute test build

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It's habit forming.

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It's habit forming.

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A good start

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hi() code

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hi() code % save

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hi() code % save loadTask = (module) -> if fs.existsSync("#{process.cwd()}/node_modules/#{module}") grunt.loadNpmTasks(module) else grunt.loadTasks("#{__dirname}/../node_modules/#{module}/ tasks") npmTasks = grunt.util._(linemanNpmTasks).chain(). union("grunt-contrib-sass" if config.enableSass). union(config.loadNpmTasks). compact().value() loadTask task for task in npmTasks grunt.renameTask "copy", "images" loadTask "grunt-contrib-copy" # load again so webfonts can use it grunt.renameTask "copy", "webfonts" loadTask "grunt-contrib-copy" # load again to make available in userland compile loadTask task for task in npmTasks grunt.renameTask "copy", "images" loadTask "grunt-contrib-copy" # load again so webfonts can use it grunt.renameTask "copy", "webfonts" loadTask "grunt-contrib-copy" # load again to make available in userland loadTask = (module) -> if fs.existsSync("#{process.cwd()}/node_modules/#{module}") grunt.loadNpmTasks(module) else grunt.loadTasks("#{__dirname}/../node_modules/#{module}/tasks") npmTasks = grunt.util._(linemanNpmTasks).chain(). union("grunt-contrib-sass" if config.enableSass). union(config.loadNpmTasks). compact().value() concat

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< 100ms hi() code % save loadTask = (module) -> if fs.existsSync("#{process.cwd()}/node_modules/#{module}") grunt.loadNpmTasks(module) else grunt.loadTasks("#{__dirname}/../node_modules/#{module}/ tasks") npmTasks = grunt.util._(linemanNpmTasks).chain(). union("grunt-contrib-sass" if config.enableSass). union(config.loadNpmTasks). compact().value() loadTask task for task in npmTasks grunt.renameTask "copy", "images" loadTask "grunt-contrib-copy" # load again so webfonts can use it grunt.renameTask "copy", "webfonts" loadTask "grunt-contrib-copy" # load again to make available in userland compile loadTask task for task in npmTasks grunt.renameTask "copy", "images" loadTask "grunt-contrib-copy" # load again so webfonts can use it grunt.renameTask "copy", "webfonts" loadTask "grunt-contrib-copy" # load again to make available in userland loadTask = (module) -> if fs.existsSync("#{process.cwd()}/node_modules/#{module}") grunt.loadNpmTasks(module) else grunt.loadTasks("#{__dirname}/../node_modules/#{module}/tasks") npmTasks = grunt.util._(linemanNpmTasks).chain(). union("grunt-contrib-sass" if config.enableSass). union(config.loadNpmTasks). compact().value() concat hello world! play

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Can your server host static files?

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! $ lineman build !

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! $ lineman build ! $ tree dist

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! $ lineman build ! $ tree dist ! dist ├── css │ └── app.css ├── index.html └── js └── app.js

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! $ heroku config:set BUILDPACK_URL=http://github.com/ testdouble/heroku-buildpack-lineman.git ! $ git push Heroku

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! $ heroku config:set BUILDPACK_URL=http://github.com/ testdouble/heroku-buildpack-lineman.git ! $ git push Heroku Builds with Node.js

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! $ heroku config:set BUILDPACK_URL=http://github.com/ testdouble/heroku-buildpack-lineman.git ! $ git push Heroku Builds with Node.js Runs without Node.js

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Other Starter Projects

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angular Other Starter Projects

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backbone angular Other Starter Projects

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ember backbone angular Other Starter Projects

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ember backbone angular web libs Other Starter Projects

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ember backbone angular web libs markdown blogs Other Starter Projects

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Eminently extensible

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Add a dependency ! $ npm install --save-dev grunt-typescript !

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Add a dependency ! $ npm install --save-dev grunt-typescript ! $ cat package.json

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Add a dependency ! $ npm install --save-dev grunt-typescript ! $ cat package.json ... "devDependencies": { ... "grunt-typescript": "0.1.6" }

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! loadNpmTasks: ['grunt-typescript'], config/application.js

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! loadNpmTasks: ['grunt-typescript'], ! prependTasks: { common: ['typescript'] }, config/application.js

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! loadNpmTasks: ['grunt-typescript'], ! prependTasks: { common: ['typescript'] }, ! typescript: { compile: { src: 'app/js/**/*.ts', dest: 'generated/js/app.ts.js' } } config/application.js

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! $ lineman run ! ... Running "typescript:compile" (typescript) task js: 0 files, map: 0 files, declaration: 0 files ... ! Run the task

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JavaScript made easy.

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My name is Justin Searls Please tweet me @searls & Say [email protected]

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noun project attribution Yarn designed by Marie Coons from The Noun Project! ! Scale designed by Ritika Khasgiwale from The Noun Project! ! Business Man designed by Piotrek Chuchla from The Noun Project! ! Business Man designed by Toke Thieden from The Noun Project! ! Airplane designed by Sven Gabriel from The Noun Project! ! Brick Wall designed by Juan Pablo Bravo from The Noun Project