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Style Guides, Pattern Libraries, Design Systems and other amenities.

Cristiano Rastelli
September 08, 2016

Style Guides, Pattern Libraries, Design Systems and other amenities.

Style guides and component libraries are the new trend in front-end development.
Everyone is into "Atomic Design" and "Modular CSS" nowadays.
But how did we get to this “hype”, and why? What is a style guide, what is its value and where are the benefits of introducing one in a project? And are them useful only for the web, or can be employed by other platforms too?
I'll try to give an answer to all these questions in this presentation – directed to designers, web developers but also iOS/Android/Win developers – and I'll show how our Mobile Web team in Badoo has developed his first style guide and how is using it to catch bugs and create a shared pattern library.

Cristiano Rastelli

September 08, 2016
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  1. Style Guides, Pattern Libraries,
    Design Systems and other
    amenities.
    Cristiano Rastelli
    Mobile Web Team

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  2. Hello!
    Cristiano Rastelli
    Front End / CSS developer at Badoo
    I like to work at the boundaries
    between different disciplines
    and competencies.
    I like to share experiences,
    knowledge and ideas.
    didoo.net / @areaweb

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  3. 320 million users
    190 countries
    46 languages

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  4. Everyone has a style guide!

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  5. The Hype

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  6. Websites
    styleguides.io

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  7. Conferences
    clarityconf.com

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  8. Slack Channels
    design-systems.slack.com

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  9. Podcasts
    Style Guide Podcast by Anna Debenham & Brad Frost

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  10. Newsletters
    designsystems.curated.co

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  11. Tons of resources…
    Articles and blog posts
    Talks
    Slides / Presentations
    Videos / Transcripts
    Online courses
    Styleguides
    Learn from
    other people’s
    experiences

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  12. Mainstream

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  13. Where does all come from?

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  14. Atomic Design
    Atomic Design - Brad Frost.com

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  15. Nothing new
    New York City Transit Authority Graphics Standards Manual - 1970

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  16. Nothing new
    The Making of Medium - teehan+lax

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  18. Web Components

    I am a title



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  19. The advent of React

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  20. A common ground

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  21. A common language
    “card”

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  22. Anna Debenham
    24ways.org/2011/front-end-style-guides/

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  23. Alla Kholmatova
    Responsive Day Out - 19th June 2015

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  24. Purpose

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  25. Why?

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  26. Nomenclature

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  27. Pattern Library
    This is a library of standardised UI patterns. They are the final designs, and
    can be delivered in the form of a repository of design files, or a symbol
    library/UI kit. It is the resource for designers to build from.
    Style Guide
    This is the documentation resource for the design system. Since the design
    system is purely code and assets, the style guide is a site to demonstrate
    the UI patterns with references to aid in implementation and usage.
    Design System
    The entirety of the standardised UI patterns, frameworks, assets, and
    documentation, as well as the processes and people involved. It is the
    ecosystem that drives and supports the unified evolution of the product(s).
    Definitions
    Clarifying our “Style Guide” Nomenclature - Nate Baldwin

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  28. Definitions
    Stu Robson / Always Twisted

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  29. Definitions

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  30. Not only visual
    ↦ Content - Tone of voice - Vocabulary
    ↦ Accessibility - Usability
    ↦ Localisation - Internationalisation
    ↦ Motion - Animation
    ↦ Code guidelines/standards
    ↦ Technological stack

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  31. One name to rule them all
    Brad Frost - Style Guide Best @ Beyond Tellerrand
    Brand identity
    design language
    voice and tone
    pattern library
    coding
    writing
    styleguide

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  32. Benefits

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  33. Multiple scopes
    ↦ Consistency
    ↦ Classification
    ↦ Documentation
    ↦ Design framework
    ↦ Marketing / Branding
    ↦ Testing
    ↦ Hiring

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  34. From chaos to order
    Brad Frost - Style Guide Best @ Beyond Tellerrand

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  35. Patterns

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  36. Gestalt Principles of Design

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  37. Velocity

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  38. Scaling
    Team A
    Builds feature after feature
    velocity
    Team B
    Builds components, then features
    velocity
    (features)dev
    Time
    N
    dev=0
    ∑ (COMPONENTS)dev
    Time
    N
    dev=0
    ∑ (features)dev
    Time - TIMEre-use
    - TIMEno-test
    +

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  39. Not only web

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  40. Tokens

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  41. Tokens

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  42. Examples

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  43. Keep in mind these!
    Consistency
    Classification
    Documentation
    Design framework
    Marketing / Branding
    Testing
    Hiring
    Content - Tone of voice
    Accessibility - Usability
    Localisation -
    Internationalisation
    Motion - Animation
    Code guidelines/standards
    Technological stack
    Granularity
    Purpose

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  44. #mobileweb

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  45. Our style guide at Badoo

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  46. Today
    Collection of web components
    Increase reusability
    Reduce code duplication
    Documentation (kind of)
    Playground for refactoring / development
    Visual Regression Testing

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  47. Interface inventory
    bradfrost.com/blog/post/interface-inventory/
    Building the UI for the new The Times website
    see also:

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  48. Interface inventory
    alistapart.com/article/from-pages-to-patterns-an-exercise-for-everyone

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  49. Interface inventory

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  50. Visual Regression Testing

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  51. Visual Regression Testing

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  52. Visual Regression Testing

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  53. Future
    Component library
    To share with designers as reference
    To share with desktop web (as package)
    Styleguide
    To document Badoo visual language
    To show how cool we are :)
    ‘Live’ documentation

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  54. #famous

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  55. Material Design
    material.google.com

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  56. Lightning Design System
    www.lightningdesignsystem.com

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  57. Atlassian
    design.atlassian.com/product

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  58. Rizzo - Lonely Planet
    rizzo.lonelyplanet.com/styleguide/

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  59. U.S. Web Design Standards
    standards.usa.gov

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  60. Financial Times
    origami.ft.com

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  61. Do Something
    forge.dosomething.org

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  62. Future Learn
    www.futurelearn.com/pattern-library

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  63. Marvel
    marvelapp.com/styleguide/

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  64. #institutional

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  65. GOV.UK
    govuk-elements.herokuapp.com

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  66. BBC.CO.UK
    www.bbc.co.uk/gel/

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  67. Sky
    skyglobal.github.io/web-toolkit/

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  68. #special

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  69. Mailchimp
    voiceandtone.com
    ux.mailchimp.com/patterns styleguide.mailchimp.com
    mailchimp.com/about/brand-assets

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  70. GEL
    gel.westpacgroup.com.au

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  71. FontShop
    www.fontshop.com/styleguide

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  72. #simple

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  73. Viljami Salminen
    viljamis.com/styleguide

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  74. Clearleft
    clearleft.com/styleguide

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  75. #tools

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  76. Dropbox Scooter
    dropbox.github.io/scooter

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  77. BuzzFeed Solid
    solid.buzzfeed.com www.buzzfeed.com/emmyf/buzzfeed-style-guide/

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  78. #branding

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  79. IBM
    www.ibm.com/design/language/

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  80. WhatsApp
    www.whatsappbrand.com

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  81. Uber
    brand.uber.com

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  82. Conclusions

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  83. Takeaway #1
    A design system impacts a whole company,

    not only its tech/dev teams.

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  84. Takeaway #2
    Building a design system is a long process.
    So don’t build a style guide because is cool. 

    Do it if is useful & solves business problems.
    And while doing it, have clear in mind what
    are your objectives and top-level goals.

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  85. Takeaway #3
    A style guide improves the communication
    between all the members of an organisation.
    It has to create a more cohesive user
    experience, encourage collaboration, and
    create efficiencies.
    A design system is made by artefacts, people,
    and products. Don’t forget the people.
    Brad Frost - Clarity Conference writeup

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  86. That’s it.
    Any questions?
    Cristiano Rastelli
    Mobile Web Team

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  87. Slides are available here:
    bit.ly/2cwaS3Y
    Blog:
    www.didoo.net
    Newsletter:
    rfl.didoo.net
    Twitter:
    @areaweb

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