diff options
| -rw-r--r-- | app/scripts/background.js | 3 | ||||
| -rw-r--r-- | app/scripts/lib/setupFetchDebugging.js | 34 |
2 files changed, 37 insertions, 0 deletions
diff --git a/app/scripts/background.js b/app/scripts/background.js index 0343e134c..509a0001d 100644 --- a/app/scripts/background.js +++ b/app/scripts/background.js @@ -2,6 +2,9 @@ * @file The entry point for the web extension singleton process. */ +// this needs to run before anything else +require('./lib/setupFetchDebugging')() + const urlUtil = require('url') const endOfStream = require('end-of-stream') const pump = require('pump') diff --git a/app/scripts/lib/setupFetchDebugging.js b/app/scripts/lib/setupFetchDebugging.js new file mode 100644 index 000000000..dd87b65a6 --- /dev/null +++ b/app/scripts/lib/setupFetchDebugging.js @@ -0,0 +1,34 @@ +module.exports = setupFetchDebugging + +// +// This is a utility to help resolve cases where `window.fetch` throws a +// `TypeError: Failed to Fetch` without any stack or context for the request +// https://github.com/getsentry/sentry-javascript/pull/1293 +// + +function setupFetchDebugging() { + if (!global.fetch) return + const originalFetch = global.fetch + + global.fetch = wrappedFetch + + async function wrappedFetch(...args) { + const initialStack = getCurrentStack() + try { + return await originalFetch.call(window, ...args) + } catch (err) { + console.warn('FetchDebugger - fetch encountered an Error', err) + console.warn('FetchDebugger - overriding stack to point of original call') + err.stack = initialStack + throw err + } + } +} + +function getCurrentStack() { + try { + throw new Error('Fake error for generating stack trace') + } catch (err) { + return err.stack + } +} |