[Webkit-unassigned] [Bug 182181] Range getBoundingClientRect returning zero rect on simple text node with <br> before it

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri Mar 8 07:32:35 PST 2019


--- Comment #8 from Gabe Giosia <giosia at google.com> ---
I first started seeing this bug sometime around iOS11; It seems to have been introduced in https://trac.webkit.org/changeset/212693/webkit

I have worked around the bug by wrapping text in a span-tag when using Range.getBoundingClientRect(). Starting a Range in an in-line-level element live a span(rather than block-element like a div) bypasses the buggy code by disabling the use of simpleLineLayout. Using this span-wrap-hack has many side-effects and isn't ideal(dom modification, CSS selector breakage, etc).

It's likely possible that some of the simpleLineLayout bypass-code can also be removed. 
>    if (simpleLineLayout() && parent()->firstChild() == parent()->lastChild()) {

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