minor clean-ups (#1600)
authorAlex Lam S.L <alexlamsl@gmail.com>
Tue, 14 Mar 2017 05:19:05 +0000 (13:19 +0800)
committerGitHub <noreply@github.com>
Tue, 14 Mar 2017 05:19:05 +0000 (13:19 +0800)
commit381bd3836ecd79eb5d4f7b84807c778ee1acf9c9
tree0b67da89eaf6fb1a2381141573eb2e395af7f368
parent919d5e348249f7b8c5ef0581660817292b5308a6
minor clean-ups (#1600)

- remove obsolete optimisation in `AST_Binary` after #1477
- improve `TreeWalker.has_directive()` readability and resilience against multiple visits
lib/ast.js
lib/compress.js