Bug 173381 - Improve TypeError description to be useful
Summary: Improve TypeError description to be useful
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: Other
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Nobody
URL:
Keywords:
Depends on: 174275
Blocks:
  Show dependency tree / graph
 
Reported: 2017-06-14 12:45 PDT by Jon Davis
Modified: 2018-04-18 04:16 PDT (History)
14 users (show)

See Also:

Attachments
Patch (5.61 KB, patch)
2017-06-16 11:38 PDT, GSkachkov 		no flags Details | Formatted Diff | Diff
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Jon Davis 2017-06-14 12:45:21 PDT 
Evaluate [a] = {a:1} in console. It produces the following less than helpful error:

	TypeError: undefined is not a function (near '...[a]...')

We should explore improving this error.

Source: https://twitter.com/bfred_it/status/874805874568470529
Comment 1 GSkachkov 2017-06-16 11:38:07 PDT 
Created attachment 313099 [details]
Patch

WIP
Comment 2 GSkachkov 2018-04-18 04:16:46 PDT 
Currently switched to WebAssembly Stream API