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A Common Design Language Let designers & developers talk to each other

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, Helsinki!

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Andrey @okonetchnikov

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lint-staged

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You don’t need to uglify your code if it’s already ugly!

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https://twitter.com/chicoxyzzy/status/1116221021441470464

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Vienna, $ The boring™ city

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https://www.meetup.com/ReactVienna

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https://reason-conf.com

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Museum of History of Art Vienna, Austria

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a.k.a. the place they use paintings as wallpapers

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“The Tower of Babel” by Peter Breugel

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7,000+ https://www.ethnologue.com

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–https://www.linguisticsociety.org/content/how-many-languages-are- there-world “Language is a system […] with a limited, ﬁnite system of units that combine hierarchically and recursively into larger units.”

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Design language Photo by Maik Jonietz on Unsplash

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Design language Typography Color Spacing

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∞

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Are those buttons function the same way?

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Design language Typography Color Spacing

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Design language system Typography Color Spacing

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https://airbnb.design/building-a-visual-language/

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Design System

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“Design system deﬁnes a set of design- related rules as a system of instructions that can be re-used across single or multiple products”

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German government vs Austrian government

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German federal government web-sites

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German federal government web-sites

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German federal government web-sites

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Design system

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Austrian federal government web-sites

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Austrian federal government web-sites

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Austrian federal government web-sites

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Austrian federal government web-sites

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No design system

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Design language of digital products

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User Interface = Language

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Button

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Button Avatar Text Button Icon

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iOS UI Component Library

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https://en.bem.info/methodology/key-concepts/

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Bootstrap

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but…

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Designer’s Tools in Sketch

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https://github.com/twbs/bootstrap/blob/v4-dev/scss/_buttons.scss

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Developers & Designers speak different languages

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https://www.cssauthor.com/wp-content/uploads/2015/07/HTML5-Cheat-Sheet.jpg

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Designer’s Tools in Sketch

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–Developers “Should designers code?”

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–Designers “Should developers design?”

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A common language?

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Designer’s language Typography Color Spacing

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Developer’s language HTML CSS JavaScript Typography Color Spacing

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Common language? HTML CSS JavaScript Typography Color Spacing UI Primitives

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UI Primitives

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Text Button Icon Input Avatar

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Text Button Icon Input Avatar

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Text Button Icon Input Avatar

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Search Toolbar

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Text Button Icon Input Avatar

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Button Default Secondary Primary

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Button Default button Secondary button Primary button Designer

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Button Default button Secondary button Primary button Designer Developer

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Are those buttons function the same way?

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Button Default button Secondary button Primary button Designer Developer Button Button primary Button secondary

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Button Default button Secondary button Primary button Designer Developer

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https://component-driven.github.io/component-driven-development/styleguide/

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But HTML has

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CSS has semantic value HTML can be anything CSS = expect unexpected Reusability Strict contract via propsTypes CSS isn’t the API HTML isn’t the API Reusability button != Button

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Text

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Text Normal Dangerous Secondary

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Text Normal text Dangerous text Secondary text Designer

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Text Normal text Dangerous text Secondary text Designer Developer

Text Text

Tex

Text

Text Text

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Different font styles in one product

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Text Normal text Dangerous text Secondary text Designer Developer Text Text secondary Text danger

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Text Normal text Dangerous text Secondary text Designer Developer

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!=

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https://component-driven.github.io/component-driven-development/styleguide/

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https://component-driven.github.io/component-driven-development/styleguide/

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there is another reason...

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HTML Primitives Link Button Text

Heading

…

Dropdown

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https://getbootstrap.com/docs/3.3/components/#dropdowns

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Dropdown

Action
Another action
Something else here
Separated link HTML vs. Primitives Action Another action Active Item Separated link

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HTML & CSS is the API Lots of CSS & HTML to write Lots of choices. Loose Design constraints Shared language No CSS & HTML to write Limited choice. Strict Design constraints HTML vs. Primitives

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UI Primitives for designers?

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https://ant.design/components/button/

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https://github.com/ant-design/antd-sketchapp

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https://airbnb.design/painting-with-code/

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https://airbnb.design/painting-with-code/

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https://medium.com/seek-blog/sketching-in-the-browser-33a7b7aa0526

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https://twitter.com/markdalgleish/status/933919800685879297

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UI Primitives for design systems

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“Design system deﬁnes a set of design- related rules as a system of instructions that can be re-used across single or multiple products”

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“Design system deﬁnes a set of design- related rules as a system of instructions UI primitives that can be re-used across single or multiple products”

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“Design system deﬁnes a set of UI primitives that can be re-used across single or multiple products”

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UI Primitives as a common language

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“Language is a system […] with a limited, ﬁnite system of units that combine hierarchically and recursively into larger units.”

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“Language UI is a system […] with a limited, ﬁnite system of units primitives that combine hierarchically and recursively into larger units.”

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Language > Technology

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component driven.io https://component-driven.io @okonetchnikov @iamsapegin @ComponentDriven