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Overview

This web app demo, hosted for free on Posit's shinyapps.io, relies on R's Shiny web framework, basic modules, the {bslib} package for styling Bootstrap themes with Sass variables, and {thematic} for styling {ggplot2} visualizations.

Live web app: javierorraca.shinyapps.io/Bloomreach_Shiny_App

Step-by-Step Tutorial: Build a Shiny App Demo as a Cover Letter Accessory

About {bslib} and {thematic}

  • bslib
    • {bslib} introduces Sass variables to Shiny making the customization process more unified and easier than the traditional custom.css
    • The default Bootstrap version for {bslib} is version 5, however, this app was designed using Bootstrap 4
  • thematic
    • {thematic} provides a centralized approach to styling R graphics, particularly grubs and ggplot2 visualizations

TLDR: Key Steps to Update for any Brand

  • Configure color and font selections on helpers/custom_theme.R
  • Change the navigation bar's brand logo appearance on helpers/navbar.R
    • The brand logo image should be stored in the www/ folder and the image source file referenced on helpers/navbar.R (row 5) should be updated to the new logo file name
  • For more advanced styling, please reference www/styles.scss to inspect additional Sassy CSS styling elements