Hinting doesn't work on Gitlab

[TheGreatMcPain]

Steps to reproduce

Go to a gitlab repository page and try to use hinting.

Expected behaviour

Have hinting appear on most of not all links.

Actual behaviour

Some yellow highlighting, no numbers, and no highlighting on items in the repository browser.

Debug Info

Version:         3.6.0-30-ga8d6130
WebKit compile:  2.30.3
WebKit run:      2.30.4
GTK compile:     3.24.22
GTK run:         3.24.22
libsoup compile: 2.70.0
libsoup run:     2.70.0
Extension dir:   /usr/lib/vimb

[fanglingsu]

@TheGreatMcPain Thank you for reporting this issue. I could reproduce it.I saw en error in the developer toolbar "TypeError: undefined is not an object (evaluating 'rect.left')" pointing to

vimb/src/scripts/hints.js

Line 178 in 6b07416

label.style.left = Math.max(rect.left - 4, 0) + "px";