Slide 1

Slide 1 text

Design Systems When and how much? Diana Mounter | @broccolini

Slide 2

Slide 2 text

Design Systems at GitHub !

Slide 3

Slide 3 text

What is a design system?

Slide 4

Slide 4 text

No content

Slide 5

Slide 5 text

No content

Slide 6

Slide 6 text

No content

Slide 7

Slide 7 text

Style guide, pattern library, CSS framework, or design system? ht @jonrohan

Slide 8

Slide 8 text

No content

Slide 9

Slide 9 text

! Design Systems at GitHub

Slide 10

Slide 10 text

Rules, constraints, and principles, implemented in design and code.

Slide 11

Slide 11 text

Color Rule: must pass minimum color contrast ratio of 4.5:1 Constraint: number of colors in the palette Principle: color should be used in a meaningful way

Slide 12

Slide 12 text

No content

Slide 13

Slide 13 text

.utilities {…} .Components {…} .custom-styles {…} $foreground $background $border

Slide 14

Slide 14 text

Typography Spacing Color Parts of a system

Slide 15

Slide 15 text

Typography Spacing Color Components Page layouts Parts of a system

Slide 16

Slide 16 text

Typography Spacing Color Components Page layouts Interaction models Voice & tone, words, 
 grammar & mechanics Parts of a system

Slide 17

Slide 17 text

Interrelated independent parts

Slide 18

Slide 18 text

Button Component Interaction model Component Page layout

Slide 19

Slide 19 text

GitHub Design System Documentation (style guide) Prototyping tool Primer CSS Sketch UI Kit

Slide 20

Slide 20 text

GitHub Design System Documentation (style guide) Prototyping tool Primer CSS JS code style Brand guidelines Sketch UI Kit Email toolkit Native 
 UI kit

Slide 21

Slide 21 text

GitHub Design System Documentation (style guide) Prototyping tool Primer CSS JS code style Brand guidelines Sketch UI Kit Email toolkit Native 
 UI kit

Slide 22

Slide 22 text

Why

Slide 23

Slide 23 text

No content

Slide 24

Slide 24 text

primercss.io github.com GitHub app More CSS Primer modules No docs }

Slide 25

Slide 25 text

Systems weren’t clearly defined 
 (in code or design)

Slide 26

Slide 26 text

2,449
 hex values

Slide 27

Slide 27 text

Improve the workflow for designers who code & engineers who build UI

Slide 28

Slide 28 text

Introduce utilities based on systems

Slide 29

Slide 29 text

.p-1 { padding: $spacer-3; } $spacer-3: 16px;

Slide 30

Slide 30 text

8 breaks down, and adds up to whole numbers more easily 16 16 16 16 16 16 16 16 32 32 32 32 64 64 32

Slide 31

Slide 31 text

Typography

Slide 32

Slide 32 text

Behind every part of the system is a micro-system

Slide 33

Slide 33 text

7 different box styles

Slide 34

Slide 34 text

// block .Box {…} // elements .Box-header {…} .Box-body {…} .Box-footer {…} // modifiers .Box-header--blue {…} .Box--large {…}

Slide 35

Slide 35 text

"If I’m reading html, I want to know what the css is going to do.” Adam Morse, CSS and Scalability

Slide 36

Slide 36 text


 Saved!

Slide 37

Slide 37 text

Documentation

Slide 38

Slide 38 text

Feedback loop HTML CSS I want to make a change!

Slide 39

Slide 39 text

Feedback loop HTML CSS I want to make a change!

Slide 40

Slide 40 text

A good system empowers 
 designers to code, and empowers engineers to design.

Slide 41

Slide 41 text

• Highly reusable and flexible styles • A clear and consistent naming convention • Up-to-date and well written documentation

Slide 42

Slide 42 text

“I feel like I have super powers and don’t want everyone else to realize that I’m totally faking.”

Slide 43

Slide 43 text

Scaling the system

Slide 44

Slide 44 text

What if you didn’t have to write all that markup either?

Slide 45

Slide 45 text

Primer CSS New 38% .erb files using Primer on dotcom

Slide 46

Slide 46 text

GH

Slide 47

Slide 47 text

GH R J R J J J J R R R J J R R R J

Slide 48

Slide 48 text

GH R J ? J ? J J R ? R J J R R R J

Slide 49

Slide 49 text

System Code Design programs Documentation

Slide 50

Slide 50 text

Source of truth Code Design programs Documentation

Slide 51

Slide 51 text

Distill the system into it’s 
 purest form

Slide 52

Slide 52 text

When and how much?

Slide 53

Slide 53 text

When? No System It really hurts not having one

Slide 54

Slide 54 text

No system Material Design We need a design system! Started to get painful

Slide 55

Slide 55 text

“…the inefficiencies that a medium [sized] team can roll with are catastrophically wasteful to a team of our size” Jon Gold, Painting with Code

Slide 56

Slide 56 text

This should be solved once Component Interaction model Component Page layout

Slide 57

Slide 57 text

You can start with systems

Slide 58

Slide 58 text

Design systems should be 
 built for change.

Slide 59

Slide 59 text

When? Now! How much? As much as you need!

Slide 60

Slide 60 text

Thank you Diana Mounter | @broccolini