optimizations for wasm size (#582)

* optimize for size

* fix tests

* revert log feature

* make backtrace not optional

* remove dev feature from web dev-deps

packages/core/Cargo.toml

@@ -23,9 +23,6 @@ rustc-hash = "1.1.0"
 # Used in diffing
 longest-increasing-subsequence = "0.1.0"
 
-# internall used
-log = { version = "0.4" }
-
 futures-util = { version = "0.3", default-features = false }
 
 smallvec = "1.6"
@@ -34,16 +31,18 @@ slab = "0.4"
 
 futures-channel = "0.3.21"
 
+# internally used
+log = "0.4"
+
 # used for noderefs
 once_cell = "1.8"
 
-indexmap = "1.7"
 
 # Serialize the Edits for use in Webview/Liveview instances
 serde = { version = "1", features = ["derive"], optional = true }
 
 # todo: I want to get rid of this
-backtrace = "0.3"
+backtrace = { version = "0.3" }
 
 # allows cloing trait objects
 dyn-clone = "1.0.9"
@@ -52,4 +51,4 @@ dyn-clone = "1.0.9"
 default = []
 serialize = ["serde"]
 debug_vdom = []
-hot-reload = []
+hot-reload = []