Advanced Lightning Components
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This document discusses advanced topics related to Lightning Components. It begins with an agenda that covers best practices, debugging, demos, and Q&A. In the best practices section, it recommends using $A instead of "aura" when accessing APIs, avoiding method name collisions, and using the official API. It also suggests handling events efficiently and avoiding unnecessary DOM manipulation. The debugging section provides tips for using browser developer tools and enabling pause on caught exceptions. Demos and Q&A were also on the agenda.
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Advanced Lightning Components
- 1. Advanced Lightning Components Skip Sauls Director of Product Management [email protected] @SkipSauls Kris Gray PMTS, Aura Framework [email protected] @grayjustise John Buchanan PMTS, Aura Framework [email protected]
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- 4. Use createComponent • newComponentAsync and other variants are being deprecated Use $A when accessing APIs • “aura” is being deprecated Avoid method name collisions • Use unique method names for server vs. client-side methods Use the official API • Don’t use undocumented members on $A or components Efficient events • Don’t handle your own events Don’t use setTimeout Best Practices Advanced Lightning Components
- 5. Component Lifecycle • Ensure that you really need to use a renderer DOM Manipulation • “If you didn’t create it, don’t touch it.” – Doug Chasman CSS • Always use properly namespaced rules – See above about not touching things you don’t own 3rd Party Libraries • Ensure that you really need to load jQuery, Bootstrap, etc. before doing so • Remember that these aren’t single-page applications (SPAs), especially in mobile clients Use Actions • Actions are optimized by the framework, unlike XHRs Best Practices Advanced Lightning Components
- 6. • Many apps such as Salesforce1 and Lightning Experience catch most exceptions to provide a better user experience. • Enable features such as “Pause On Caught Exceptions” in the browser debugger to ensure that you don’t miss something. Debugging – Client Side Advanced Lightning Components Google Chrome Developer Tools Apple Safari Web Inspector Mozilla Firefox Firebug Mozilla Firefox Developer Tools Microsoft Edge Developer Tools Microsoft IE11 Developer Tools
- 7. Use the debugger statement Enable Pause on Caught Exceptions Turn on Debug for Lightning Components Leverage the browser Developer Tools features Debug on more than one client Debugging – Client Side Advanced Lightning Components
- 8. Demos
- 9. Q&A
- 10. Thank you