bash_functions.sh contains some functions that help you extract the sites js/html content from a HAR file & unminify it, also contains a function to extract any source maps if present.
Intended Workflow:

• open devtools
• check "Preserve Log" & "Disable Cache" in network tab
• crawl the site manually
• hit the "Export HAR" button when done crawling
• than run the unhar function like this unhar www.redacted.com.har
• if there are sourcemaps also run srcmap www.redacted.com.har
• Go to the Dev Tools > Sources > Override and add the extracted folder from the HAR file
• Now refresh the page with Dev Tools open and all your dynamic analysis tools will report unminified stacktraces.

Dependencies:

go install github.com/tomnomnom/unfurl@latest

npm install -g js-beutify

npm install -g html-beutify

go install github.com/denandz/sourcemapper@latest

postMessage-tracker this is Frans Rosen's extension with a few changes, original here.
Changes:

• Logs message content (not just message handlers) to webhook
• Filters postMessage handlers registered by extensions
• Filters postMessages in the console coming from the following extensions
  • DOMInvador
  • DOMLogger++
  • Wappalyzer
  • UntrustedTypes
• syntax highlighting
• removes stacktrace lines that come from stack frames of this extension

hashChange-tracker just a rip off of postMessage-tracker but for hashchange event

dom-tracker tracks several potentially interesting elements like iframes, any element with a target attribute and any element with a path relative uri, also detects quirks mode and supports sending localStorage, sessionStorage, cookies & full DOM to a webhook.