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A diff viewer for markdown-formatted and plaintext documents.
These diffs are intended for use in copy-editing. The diffs are performed word-by-word, similarly to how the GNU
wdiff tool works. This produces a more meaningful diff for English-language editing.
The diff may be further processed in a way that is aware of markdown formatting. The resulting output attempts to show differences of copy within the final document format (rather than differences of format).
The markdown-sensitive processing of the wdiff comparison is at
..., for the curious.
This is a complete rewrite of Dubdiff with:
- simpler project architecture
- client-side diffing engine and simplified server
- server-side rendering
- switch to React from Angular
- clean up of diffing engine
- goal of implementing a HTML diff viewer
Basically I'm rewriting it for fun.
The tool is live at http://dubdiff.com, feel free to use it there.
You'll need node & npm. Then install dependencies with
To build and launch a dev server:
npm start npm run server
To build and launch the production server:
npm run build:prod npm run serve:prod
Data is saved to a simple flat file db in the
data folder. If this folder doesn't exist, create it.
On a low-memory machine, eg. a DigitalOcean 512MB instance, you will need to enable virtual memory. Use this guide:
Start on boot
To make the application start on boot, run the following:
# initialize pm2 to start on boot with the systemd boot manager pm2 startup systemd # start the app with pm2 pm2 start npm --name dubdiff -- run serve:prod # save the current pm2 config so that it can be reloaded on boot pm2 save