Fix graph property empty array and safe mode.

[davidlehn]

• Fix handling of graph property with empty array.
• Fix safe mode for @graph use cases.
  • Check all elements of graph property with array.

[codecov-commenter]

Codecov Report

Merging #531 (931bf3e) into main (1f34863) will decrease coverage by 0.10%. The diff coverage is 100.00%.

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@@            Coverage Diff             @@
##             main     #531      +/-   ##
==========================================
- Coverage   93.76%   93.66%   -0.10%     
==========================================
  Files          24       24              
  Lines        2965     2968       +3     
==========================================
  Hits         2780     2780              
- Misses        185      188       +3     

Files Changed	Coverage Δ
lib/context.js	95.05% <ø> (ø)
lib/expand.js	97.02% <100.00%> (+0.02%)	:arrow_up:

... and 1 file with indirect coverage changes