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| -rw-r--r-- | README.md | 46 |
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@@ -79,6 +79,52 @@ - [ ] DOM API binding: [https://github.com/fengari-lua/fengari-interop](https://github.com/fengari-lua/fengari-interop) +## Extensions + +### `dv = lua_todataview(L, idx)` + +Equivalent to `lua_tolstring` but returns a [`DataView`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/DataView) instead of a string. + + +### `str = lua_toljsstring(L, idx)` + +Equivalent to `lua_tolstring` but returns the string as a JavaScript string (as if `to_jsstring()` was called on the result). + + +### `lua_tojsstring(L, idx)` + +Alias for `lua_toljsstring`. + + +### `lua_pushjsfunction(L, func)` + +Alias for `lua_pushcfunction`. + + +### `lua_pushjsclosure(L, func, n)` + +Alias for `lua_pushcclosure`. + + +### `b = lua_isproxy(p, L)` + +Returns a boolean `b` indicating whether `p` is a proxy (See `lua_toproxy`). +If `L` is non-null, only returns `true` if `p` belongs to the same global state. + + +### `p = lua_toproxy(L, idx)` + +Returns a JavaScript object `p` that holds a reference to the lua value at the stack index `idx`. +This object can be called with a lua_State to push the value onto that state's stack. + +This example would be an inefficient way to write `lua_pushvalue(L, 1)`: + +```js +var p = lua_toproxy(L, 1); +p(L); +```` + + ## References - [Source code for Lua 5.3](lua.org/source/5.3/) |