js: refactor

* prefix to-be-separated modules with js
* remove dynstreams dependency
* untangle from EmptyPromise
* move typeptr into tojs

1 files changed, 42 insertions, 0 deletions

diff --git a/src/js/jspropenumlist.nim b/src/js/jspropenumlist.nim
new file mode 100644
index 00000000..65c16c2f
--- /dev/null
+++ b/src/js/jspropenumlist.nim
@@ -0,0 +1,42 @@
+import bindings/quickjs
+
+type
+  JSPropertyEnumArray* = ptr UncheckedArray[JSPropertyEnum]
+
+  JSPropertyEnumList* = object
+    buffer*: JSPropertyEnumArray
+    size: uint32
+    len*: uint32
+    ctx: JSContext
+
+  JSPropertyEnumWrapper* = object
+    is_enumerable: bool
+    name: string
+
+func newJSPropertyEnumList*(ctx: JSContext; size: uint32): JSPropertyEnumList =
+  let p = js_malloc(ctx, csize_t(sizeof(JSPropertyEnum)) * csize_t(size))
+  let buffer = cast[JSPropertyEnumArray](p)
+  return JSPropertyEnumList(
+    ctx: ctx,
+    buffer: buffer,
+    size: size
+  )
+
+proc grow(this: var JSPropertyEnumList) =
+  this.size *= 2
+  let p = js_realloc(this.ctx, this.buffer, csize_t(this.size))
+  this.buffer = cast[JSPropertyEnumArray](p)
+
+proc add*(this: var JSPropertyEnumList; val: uint32) =
+  let i = this.len
+  inc this.len
+  if this.size < this.len:
+    this.grow()
+  this.buffer[i].atom = JS_NewAtomUInt32(this.ctx, val)
+
+proc add*(this: var JSPropertyEnumList; val: string) =
+  let i = this.len
+  inc this.len
+  if this.size < this.len:
+    this.grow()
+  this.buffer[i].atom = JS_NewAtomLen(this.ctx, cstring(val), csize_t(val.len))