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  1. 06 Oct, 2020 12 commits
  3. 05 Oct, 2020 5 commits
  5. 02 Oct, 2020 3 commits
    • Kyle Keating's avatar
      Convert types.coffee to js · 43f23cc5
      Kyle Keating authored 
      - Convert types to js
- Add missing test coverage in types module
      43f23cc5
    • Robert Knight's avatar
      Fix grammatical error in comment · 4033f872
      Robert Knight authored 
      Respond to PR feedback by updating comments
      4033f872
    • Robert Knight's avatar
      Simplify XPath generation code · f2b25403
      Robert Knight authored 
      For reasons that AFAIK are no longer relevant, there were two
implementations of XPath generation for use in serializing range
selectors. Since we're removing jQuery from the Hypothesis client, this
removes the jQuery implementation and simplifies the remaining DOM-only
one.

 - Remove jQuery XPath generation

 - Change the non-jQuery implementation to take DOM Nodes as input
   rather than jQuery collections

 - Simplify and add type documentation for the remaining implementation

 - Correct the documentation for `xpathFromNode`. The previous comments
   said that it _evaluated_ XPaths but actually it _generates_ them.
      f2b25403
  7. 30 Sep, 2020 1 commit
    • Robert Knight's avatar
      Remove references to obsolete `page.el` property · 2414a08b
      Robert Knight authored 
      The `el` property of PDF pages was removed from PDF.js in February 2015
in eed67ea8bbba61a05877a99dc2f03b5adad5a288 so we can remove this check
while still supporting older versions of PDF.js that we care about.

Also rewrite an unnecessarily complex loop header. The `pagesCount`
property cannot be negative, so there is no need to check for this.
      2414a08b
  9. 29 Sep, 2020 12 commits
  11. 28 Sep, 2020 3 commits
  13. 25 Sep, 2020 4 commits
    • Kyle Keating's avatar
      Convert range.coffee to range.js · 9fb4e54d
      Kyle Keating authored 
      - Remove xpath.coffee as it is no longer needed
- Add missing unit tests for range.js module
      9fb4e54d
    • Kyle Keating's avatar
      Rename range-js to xpath-evaluate · b00d243f
      Kyle Keating authored
      b00d243f
    • Lyza Danger Gardner's avatar
      Debounce MutationObserver callback for performance improvements · 14d5b72f
      Lyza Danger Gardner authored 
      Debounce the `_update` method to improve browser performance in
responding to DOM mutations (PDF annotation highlights re-draw
more smoothly).
      14d5b72f
    • Robert Knight's avatar
      Remove rAF from highlight drawing and make synchronous · 03f1821b
      Robert Knight authored 
      Bug #2502 arises from an issue with the asynchronous code in guest
that relies on `requestAnimationFrame` before drawing highlights for
a particular anchor range.

When the DOM is being mutated in multiple ways, the range present in
the synchronous `highlight` code can be different from the range once
the `requestAnimationFrame` — i.e. it could have changed again since
the range was sniffed in the `highlight` method.

The call to `range.normalize` in the rAF callback in these cases might
be operating on a range that is effectively invalid per the `normalize`
method's (unwritten) expectations. That in turn throws and then causes
a failure of highlight drawing until the document is reloaded.

Some brittleness in `range` methods and other dependencies makes this
challenging to fix easily in an asynchronous manner. It's unclear
exactly why rAF asynchronicity was added
(see ca87c1c5 ).

As such, we've elected for now to remove `rAF` and make `highlight`
code synchronous here.

Fixes #2502
      03f1821b