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Add customisable is_type_of

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This commit is contained in:
Ingvar Stepanyan
2019-03-26 19:29:46 +00:00
parent 4211fcd992
commit cb880bdbff
6 changed files with 43 additions and 20 deletions
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28
crates/js-sys/src/lib.rs
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@ -126,7 +126,7 @@ extern "C" {
// Array
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(extends = Object)]
#[wasm_bindgen(extends = Object, is_type_of = Array::is_array)]
#[derive(Clone, Debug, PartialEq, Eq)]
pub type Array;
@ -466,7 +466,7 @@ extern "C" {
// Boolean
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(extends = Object)]
#[wasm_bindgen(extends = Object, is_type_of = |v| v.as_bool().is_some())]
#[derive(Clone, PartialEq, Eq)]
pub type Boolean;
@ -801,7 +801,7 @@ extern "C" {
// Function
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(extends = Object)]
#[wasm_bindgen(extends = Object, is_type_of = JsValue::is_function)]
#[derive(Clone, Debug, PartialEq, Eq)]
pub type Function;
@ -897,11 +897,7 @@ impl Function {
/// If this JS value is not an instance of a function then this returns
/// `None`.
pub fn try_from(val: &JsValue) -> Option<&Function> {
if val.is_function() {
Some(val.unchecked_ref())
} else {
None
}
val.dyn_ref()
}
}
@ -1141,7 +1137,10 @@ pub fn try_iter(val: &JsValue) -> Result<Option<IntoIter>, JsValue> {
return Ok(None);
}
let iter_fn: Function = iter_fn.unchecked_into();
let iter_fn: Function = match iter_fn.dyn_into() {
Ok(iter_fn) => iter_fn,
Err(_) => return Ok(None)
};
let it = iter_fn.call0(val)?;
if !it.is_object() {
return Ok(None);
@ -1434,7 +1433,7 @@ extern "C" {
// Number.
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(extends = Object)]
#[wasm_bindgen(extends = Object, is_type_of = |v| v.as_f64().is_some())]
#[derive(Clone)]
pub type Number;
@ -3127,7 +3126,7 @@ extern "C" {
// JsString
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(js_name = String, extends = Object)]
#[wasm_bindgen(js_name = String, extends = Object, is_type_of = JsValue::is_string)]
#[derive(Clone, PartialEq, Eq)]
pub type JsString;
@ -3587,11 +3586,7 @@ impl JsString {
/// If this JS value is not an instance of a string then this returns
/// `None`.
pub fn try_from(val: &JsValue) -> Option<&JsString> {
if val.is_string() {
Some(val.unchecked_ref())
} else {
None
}
val.dyn_ref()
}
/// Returns whether this string is a valid UTF-16 string.
@ -3683,6 +3678,7 @@ impl fmt::Debug for JsString {
// Symbol
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(is_type_of = JsValue::is_symbol)]
#[derive(Clone, Debug)]
pub type Symbol;