feat(ecmascript): Implement Annex-B string prototype methods

I also added some feature flags for including parts of or the whole of annex-b. Made them on-by-default, but might make more sense for them to be off?

nova_vm/Cargo.toml

@@ -40,7 +40,8 @@ default = [
     "shared-array-buffer",
     "weak-refs",
     "atomics",
-    "regexp"
+    "regexp",
+    "annex-b"
 ]
 array-buffer = []
 atomics = ["array-buffer", "shared-array-buffer"]
@@ -52,6 +53,18 @@ regexp = []
 shared-array-buffer = []
 weak-refs = []
 typescript = []
+# Enables features defined by [Annex B](https://tc39.es/ecma262/#sec-additional-ecmascript-features-for-web-browsers)
+annex-b = ["annex-b-string", "annex-b-global", "annex-b-date", "annex-b-regexp"]
+# Adds the additional properties to the global object as defined by Annex B section [B.2.1](https://tc39.es/ecma262/#sec-additional-properties-of-the-global-object)
+annex-b-global = []
+# Adds the additional properties to the string prototype as defined by Annex B section [B.2.2](https://tc39.es/ecma262/#sec-additional-properties-of-the-string.prototype-object)
+annex-b-string = []
+# Adds the additional properties to the date prototype as defined by Annex B section [B.2.3](https://tc39.es/ecma262/#sec-additional-properties-of-the-date.prototype-object)
+annex-b-date = ["date"]
+# Adds the additional properties and syntax to regular expressions as defined by Annex B section:
+# - [B.1.2](https://tc39.es/ecma262/#sec-regular-expressions-patterns)
+# - [B.2.4](https://tc39.es/ecma262/#sec-additional-properties-of-the-regexp.prototype-object)
+annex-b-regexp = ["regexp"]
 
 [build-dependencies]
 small_string = { path = "../small_string" }

nova_vm/src/builtin_strings

@@ -31,6 +31,7 @@ AggregateError
 all
 allSettled
 and
+anchor
 anonymous
 any
 apply
@@ -52,11 +53,14 @@ atan
 atan2
 atanh
 Atomics
+big
 bigint
 BigInt
 BigInt64Array
 BigUint64Array
 bind
+blink
+bold
 boolean
 Boolean
 bound
@@ -125,12 +129,15 @@ find
 findIndex
 findLast
 findLastIndex
+fixed
 flags
 flat
 flatMap
 Float32Array
 Float64Array
 floor
+fontcolor
+fontsize
 for
 forEach
 freeze
@@ -232,11 +239,13 @@ isSafeInteger
 isSealed
 isView
 isWellFormed
+italics
 iterator
 join
 JSON
 keyFor
 keys
+link
 lastIndex
 lastIndexOf
 length
@@ -356,6 +365,7 @@ sin
 sinh
 size
 slice
+small
 some
 sort
 source
@@ -368,13 +378,16 @@ SQRT2
 startsWith
 sticky
 store
+strike
 string
 String
-stringify
 String Iterator
+stringify
 sub
 subarray
+substr
 substring
+sup
 symbol
 Symbol
 Symbol.asyncIterator
@@ -423,6 +436,8 @@ transfer
 transferToFixedLength
 trim
 trimEnd
+trimLeft
+trimRight
 trimStart
 true
 trunc