chore: clean up features and optional dependencies

Cargo.toml

@@ -15,24 +15,19 @@ backtrace = "0.3"
 ress = "0.11"
 resast = "0.5"
 log = "0.4"
-walkdir = { version = "2", optional = true }
-indicatif = { version = "0.12", optional = true, features = ["with_rayon"] }
-rayon = { version = "1", optional = true }
-pulldown-cmark = { version = "0.7", optional = true }
 res-regex = "0.1"
 hash-chain = "0.3"
 tracing = "0.1"
 
 [features]
 default = []
-major_libs = []
+# This feature populates a field on the Parser `_look_ahead` that will contain a debug format
+# string of the look_ahead token. Very helpful when debugging this crate with gdb/lldb as sometimes
+# the property shape of the `Token` isn't formatted well
 debug_look_ahead = []
-error_backtrace = []
-serialization = ["resast/serialization"]
-esprima = ["resast/esprima"]
-moz_central = ["walkdir"]
-test_262 = ["indicatif", "rayon", "pulldown-cmark"]
-test_262_parser = ["indicatif", "rayon", "pulldown-cmark"]
+# This feature disables the moz_central tests by default as they tend to run long on most
+# development machines and require a larger minimum stack size to pass
+moz_central = []
 
 [dev-dependencies]
 criterion = "0.3"
@@ -54,8 +49,8 @@ harness = false
 [[example]]
 name = "js-to-json"
 path = "examples/js_to_json.rs"
-required-features = ["serialization"]
+required-features = ["resast/serialization"]
 [[example]]
 name = "js-to-json-esprima"
 path = "examples/js_to_json-esprima.rs"
-required-features = ["esprima"]
+required-features = ["resast/esprima"]