Evolving Web Applications with Modular Design Components

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Evolving Web Applications with Module Based   Design Components Mike Kivikoski – @mkivikoski – cantina.co

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Hi! I’m Mike Kivikoski @mkivikoski

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A Designer that develops

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A Developer that designs

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A Front End Designer

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I work here, at Cantina

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5 Developers Case study project Cantina

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5 Developers Cantina ~65 Developers Client Case study project

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How to keep everyone   in sync with styles?

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How to keep everyone   in sync with styles? Let’s use a Module Component System!

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What is a Module Component System? A design approach that subdivides a system into smaller parts.” “ Wikipedia https://en.wikipedia.org/wiki/Modular_design

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http://s3images.coroflot.com/user_files/individual_files/196273_sUPk9iv_JftrlZlmeCETPZLfS.jpg

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Beneﬁts Cohesion

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Beneﬁts Cohesion UI/UX Patterns

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Beneﬁts Cohesion UI/UX Patterns Responsive Design

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Beneﬁts Cohesion UI/UX Patterns Responsive Design Browser Testing

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Beneﬁts Cohesion UI/UX Patterns Responsive Design Accessibility Browser Testing

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Beneﬁts Cohesion UI/UX Patterns Responsive Design Accessibility Browser Testing Perfomance

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netflix.com

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netflix.com

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netflix.com

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netflix.com

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netflix.com

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netflix.com

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Why does this happen? Segregated departments Company merges/acquisitions Legacy code Tight deadlines Lack of reviews

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Stop designing screens Start designing components

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Atomic Design A methodology for creating design systems, with five distinct levels” “ Brad Frost, @brad_frost

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“ http://bradfrost.com/blog/post/atomic-web-design/

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Build faster (and easier) Sketch layouts with pre-built components.

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Beneﬁts Decrease design time Faster testing of ideas Quicker Stakeholder approval

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How to start Use .classes instead of IDs Single Responsibility Principle Allow classes to combine Use variables Review everything

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https://speakerdeck.com/csswizardry/css-for-software-engineers-for-css-developers?slide=41 Harry Roberts, @csswizardy

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https://speakerdeck.com/csswizardry/css-for-software-engineers-for-css-developers?slide=41 Harry Roberts, @csswizardy

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Use variables for size

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Classes on typography

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Use variables for colors

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Use variables for colors

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Use variables for colors

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Media queries

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Build tool https://www.npmjs.com/package/grunt-combine-media-queries

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File organization Files based on components,   not screens alerts.less buttons.less forms.less

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Use a grid http://getbootstrap.com/css/#grid

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Grid classes

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Grid classes http://neat.bourbon.io/examples/

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Check outputted CSS Ensure outputted CSS is slim Ensure CSS follows conventions Build tools

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CSS Methodologies

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http://sassmeister.com/gist/657b64eb3c7bca6679e3 Show errors

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Linters https://github.com/postcss/postcss-bem-linter

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Linters https://www.npmjs.com/package/sass-lint

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Review everything Variables used Writing syntax Component is reusable Reused component follows convention

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Starting the style guide

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Styleguide CSS Connect it to the outputted application CSS.

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Living Styleguide http://cantina.co/styleguide/

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Living Styleguide https://www.lightningdesignsystem.com/components/button-groups

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Living Styleguide

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Documentation Writing/syntax examples Show each combo Write for a n00b Don’t let it die Let it evolve

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Writing Example https://github.com/airbnb/javascript

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Component

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Combos x1 https://www.lightningdesignsystem.com/components/buttons#brand

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Combos x2 https://www.lightningdesignsystem.com/components/buttons#brand

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Making changes Don’t make one offs Change components globally Create new class, if needed

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Don’t make one offs

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https://css-tricks.com/css-wisdom-from-goofus-and-gallent/

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Refactoring Don’t be afraid Refactor everything Don’t take it personal Refactor often

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Regression testing

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Auto compare https://github.com/Huddle/PhantomCSS

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Auto compare https://github.com/Huddle/PhantomCSS

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Style guide audit https://github.com/straker/css-style-guide-audit

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When to start regression After initial components are created Otherwise, you may go mad Try to test components, not screens

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Deeper dive https://css-tricks.com/automating- css-regression-testing/ https://davidwalsh.name/visual- regression-testing-angular-applications https://css-tricks.com/visual-regression- testing-with-phantomcss/

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Frameworks

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Frameworks

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Frameworks

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Communication Make the styleguide public to team Give people freedom

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Play nice with others The name ‘LEGO’ is an abbreviation of the two Danish words “leg godt”, meaning “play well”. http://www.lego.com/en-us/aboutus/lego-group/the_lego_history

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Thank you. @mkivikoski cantina.co http://shop.oreilly.com/product/0636920035251.do