Hoist several closures

[jridgewell]

Q	A
Patch: Bug Fix?	No
Major: Breaking Change?	No
Minor: New Feature?	No
Deprecations?	No
Spec Compliancy?	No
Tests Added/Pass?	No
Fixed Tickets
License	MIT
Doc PR
Dependency Changes

This hoists several helper closures by passing in the needed variables as parameters.

[codecov]

Codecov Report

Merging #5837 into 7.0 will decrease coverage by <.01%.
The diff coverage is 70%.

@@            Coverage Diff             @@
##              7.0    #5837      +/-   ##
==========================================
- Coverage   85.09%   85.08%   -0.01%     
==========================================
  Files         284      284              
  Lines        9911     9912       +1     
  Branches     2768     2768              
==========================================
  Hits         8434     8434              
- Misses        976      977       +1     
  Partials      501      501

Impacted Files	Coverage Δ
...ckages/babel-helper-builder-react-jsx/src/index.js	92.4% <100%> (ø)	⬆️
.../babel-plugin-transform-es2015-spread/src/index.js	95.38% <100%> (ø)	⬆️
packages/babel-traverse/src/path/family.js	75.72% <50%> (-0.75%)	⬇️
packages/babel-traverse/src/path/evaluation.js	69.23% <69.14%> (ø)	⬆️
packages/babel-traverse/src/path/context.js	84.48% <0%> (-0.87%)	⬇️
...bel-plugin-transform-es2015-classes/src/vanilla.js	90.63% <0%> (ø)	⬆️
packages/babel-traverse/src/visitors.js	86.66% <0%> (+0.95%)	⬆️

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