Support worker env.[aka: context aware]#1981

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niyan-ly wants to merge 10 commits intoAutomattic:masterfrom niyan-ly:context-aware

+512-149

Commits on Feb 4, 2022

Commits on Feb 7, 2022

add some basic test cases for worker env
niyan-ly
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Commits on Feb 13, 2022

feat: thread safe font_face_list
niyan-ly
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