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texas flood information viewer


Install Node. Currently builds with Node v12.13.0 (npm v6.12.0)

Install Packages: npm -f install

Note: may have to rebuild node-sass after npm installs: npm rebuild node-sass

setup app secrets

  • setup aws cli with proper permissions
  • pull secrets by running . pullSecrets from the command line
  • when updated, push secrets by running . pushSecrets from the command line
  • Alternatively (without aws), make a copy of src/keys/, fill out and save as src/keys/


  1. npm start to start a hot-reloading development web server. First time starting, may require you create the empty directory dist in the project root. Open browser to http://localhost:3545


(Must do before merging into master branch for ci/cd deployment)

  1. ensure you have the correct "site_url" in the package.json file within the project folder (line 5). beta notice automatically turns on if "site_url" is not the production url


  1. npm run test will run the Mocha Test suite

Production Build

  1. npm run dist will produce a production build in the /dist/ folder

Prod Note: if you receive a permission error (./node_modules/webpack/bin/webpack.js: Permission denied) when running the production dist command, run npm rebuild and try again

Favicons, Icons, & Images

  1. Favicon.ico is converted to PNG format and then uploaded to the realfavicongenerator. Should be a minimum pixel size of 144x144. This generator will offer numerous options for specific shortcut icons and favicons for a multitude of devices.
  2. Go through the settings and tweak the various ones as necessary.
  3. Be sure to declare the 'path' in the last settings option ("Favicon Generator Options") to be /icons. Then click to Generate
  4. After generation is complete, download the Favicon Package and use it to replace the images within /src/images/icons. Then copy the HTML code and use it to replace the pre-existing image code within /src/index.njk


ReactJS frontend web application for monitoring USGS/NWS flood gauges and river levels with SMS subscription availability







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