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Lean Frontend Development
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FEVR
April 23, 2015
Technology
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Lean Frontend Development
Apply lean principles on Frontend Development
FEVR
April 23, 2015
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Transcript
LEAN FRONTEND DEVELOPMENT 23.04.2015 – FEVR
ABOUT US 1 year BF ( before FEVR) Matteo Guidotto
Full Stack Developer / Sometimes Project Manager @ Intesys Marco Solazzi Full Stack Developer with attitudes for Frontend Development @ Intesys
Matteo Guidotto - @j8matteo Digital Project Manager @ True Blue
TEDxVerona Co-organizer www.matteoguidotto.com proudly father of FEVR Marco Solazzi - @dwightjack Frontend Developer @ AQuést JavaScript Otaku github. com/dwightjack/ proudly father of FEVR ABOUT US 1 year AF ( after FEVR)
WE WERE WEBMASTER
OUR WORKFLOW WASN’T SO SEXY
WE ARE FRONTEND DEVELOPERS
WE NEED TO BE LEAN WE NEED TO BE STRONG
WE NEED TO BE AGILE
PLAN
GET OUT OF NEVERENDING SOFTWARE
CHOOSE RIGHT WEAPON FOR YOUR WAR
UNICORN TECHNOLOGY DOESN’T EXIST
None
DON’T USE ANGULAR FOR EVERYTHING
DEFINE USER AND BUYER PERSONAS
DEFINE USER AND BUYER PERSONAS DEVICES
DEVICE CENTERED DEVELOPMENT
BUDGETING ACTIVITIES
None
TRY
FEATURE’S DESIGN TO REAL STUFF
MINIMUM VIABLE PRODUCT
MINIMUM VIABLE PRODUCT CODE
“ MVC: UNPOLISHED, BAREBONE, TESTABLE, FAILABLE PIECE OF SOFTWARE ”
YOUR FEATURE DESIGN IS AN ASSUMPTION
“ANIMATED FONT SIZE ON A VERTICALLY DISTRIBUTED FULL HEIGHT LIST…”
display: table?
TRY IT OUT!
Do or do not... there is no try
Do or do not... there is no try He didn’t
know CodePen
CLUNKY! http://codepen.io/dwightjack/pen/ogwQKz
“LET’S TRY OUT flexbox”
http://codepen.io/dwightjack/pen/azwPzv
YOUR PREJUDICES ARE ASSUMPTIONS TOO!
“JS NATIVE METHODS JUST ROCK”
http://jsperf.com/native-vs-for-loops
COOL / SOLID OPTIONS
ADVANTAGES: • WON’T CLUTTER YOUR CODEBASE WITH TEST CODE •
CLEAN / SANBOXED ENVIRONMENT IN NO TIME • SHARE AND TEST ON MULTIPLE BROWSERS/DEVICES • GREAT FOR PROTOTYPING • WIDE SUPPORT FOR YOUR PREFERRED STACK
TEST PASSED! LET’S GET REAL
BUILD
“THERE’S NO BIG SOFTWARE JUST BIG MISTAKES”
“Everything is acompound thing” First Modular Development Master in history
“Everything is a compound thing” First Modular Development Master in History
WHY MODULAR DEVELOPMENT: SIMPLICITY ENCAPSULATION SEPARATION OF CONCERNS
PICK YOUR FLAVORS
FULL STACK FRONTEND DEVELOPERS?
CROSSFUNCTIONAL FRONTEND TEAMS Semantics + Accessibility (HTML + ARIA) Presentation
(CSS) Interactivity (JavaScript / BaaS APIs)
BROWSERS ALREADY DO THAT <input type=”date” required min=”10” max=”100”> input[type=”date”]::-webkit-datetime-edit-month-field
{ color: #bada55; } document.querySelector(‘input[type=”date”]’).checkValidity();
“WE NEED TO OUTPUT 15 PAGE TEMPLATES” - a random
PM
STYLEGUIDE DRIVEN DEVELOPMENT
http://rizzo.lonelyplanet.com/styleguide/ui-components/buttons http://rizzo.lonelyplanet.com/styleguide/ui-components/buttons
ADVANTAGES: • shared knowledge base (with teammates and customers) •
every module state and variation is clearly visible • code snippets (how to implement) and visual output (how it looks)
Outdated Inaccurate
LIVING STYLEGUIDES /* ========================================================================== Media Object ==== ``` <div class="media">
<img src=//placehold.it/150x150 alt="" class="media__image"> <div class="media__wrap"> <h1 class="media__title">Media Title</h1> <p class="media__body"> Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. </p> </div> </div> ``` ========================================================================== */
LIVING STYLEGUIDES /* ========================================================================== Media Object ==== ``` <div class="media">
<img src=//placehold.it/150x150 alt="" class="media__image"> <div class="media__wrap"> <h1 class="media__title">Media Title</h1> <p class="media__body"> Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. </p> </div> </div> ``` ========================================================================== */
COOL / SOLID OPTIONS http://www.smashingmagazine.com/2015/04/13/an-in-depth-overview-of-living-style-guide-tools/
CHECK
KITCHEN ISN’T A 3DMAX RENDER WEBSITE ISN’T A PSD
CHECK IS LEARNING DO IT TOGETHER NOT ONE vs ONE
CODE SHOULD BE BEAUTIFUL TOO
COOL / SOLID OPTIONS
CODE SHOULD BE REUSABLE MODULAR COMMENTED
CODEREVIEW AS RETROSPECTIVE
ITERATE ALL THE TIME
IT’S NOT A GUIDE IT’S A FRAMEWORK
GET OUT OF DELIVERY OBSESSION
IT’S A DECLARATION OF INDEPENDENCE
THANKS 23.04.2015 – FEVR