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lib.rs
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//! Bindings to JavaScript's standard, built-in objects, including their methods
//! and properties.
//!
//! This does *not* include any Web, Node, or any other JS environment
//! APIs. Only the things that are guaranteed to exist in the global scope by
//! the ECMAScript standard.
//!
//! <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects>
//!
//! ## A Note About `camelCase`, `snake_case`, and Naming Conventions
//!
//! JavaScript's global objects use `camelCase` naming conventions for functions
//! and methods, but Rust style is to use `snake_case`. These bindings expose
//! the Rust style `snake_case` name. Additionally, acronyms within a method
//! name are all lower case, where as in JavaScript they are all upper case. For
//! example, `decodeURI` in JavaScript is exposed as `decode_uri` in these
//! bindings.
#![doc(html_root_url = "https://docs.rs/js-sys/0.2")]
#![cfg_attr(not(feature = "std"), no_std)]
#![cfg_attr(target_feature = "atomics", feature(thread_local))]
extern crate alloc;
use alloc::string::String;
use alloc::vec::Vec;
use core::cmp::Ordering;
use core::convert::{self, Infallible, TryFrom};
use core::f64;
use core::fmt;
use core::iter::{self, Product, Sum};
use core::mem::{self, MaybeUninit};
use core::ops::{Add, BitAnd, BitOr, BitXor, Div, Mul, Neg, Not, Rem, Shl, Shr, Sub};
use core::str;
use core::str::FromStr;
pub use wasm_bindgen;
use wasm_bindgen::prelude::*;
// When adding new imports:
//
// * Keep imports in alphabetical order.
//
// * Rename imports with `js_name = ...` according to the note about `camelCase`
// and `snake_case` in the module's documentation above.
//
// * Include the one sentence summary of the import from the MDN link in the
// module's documentation above, and the MDN link itself.
//
// * If a function or method can throw an exception, make it catchable by adding
// `#[wasm_bindgen(catch)]`.
//
// * Add a new `#[test]` into the appropriate file in the
// `crates/js-sys/tests/wasm/` directory. If the imported function or method
// can throw an exception, make sure to also add test coverage for that case.
//
// * Arguments that are `JsValue`s or imported JavaScript types should be taken
// by reference.
macro_rules! forward_deref_unop {
(impl $imp:ident, $method:ident for $t:ty) => {
impl $imp for $t {
type Output = <&'static $t as $imp>::Output;
#[inline]
fn $method(self) -> Self::Output {
$imp::$method(&self)
}
}
};
}
macro_rules! forward_deref_binop {
(impl $imp:ident, $method:ident for $t:ty) => {
impl<'a> $imp<$t> for &'a $t {
type Output = <&'static $t as $imp<&'static $t>>::Output;
#[inline]
fn $method(self, other: $t) -> Self::Output {
$imp::$method(self, &other)
}
}
impl $imp<&$t> for $t {
type Output = <&'static $t as $imp<&'static $t>>::Output;
#[inline]
fn $method(self, other: &$t) -> Self::Output {
$imp::$method(&self, other)
}
}
impl $imp<$t> for $t {
type Output = <&'static $t as $imp<&'static $t>>::Output;
#[inline]
fn $method(self, other: $t) -> Self::Output {
$imp::$method(&self, &other)
}
}
};
}
macro_rules! forward_js_unop {
(impl $imp:ident, $method:ident for $t:ty) => {
impl $imp for &$t {
type Output = $t;
#[inline]
fn $method(self) -> Self::Output {
$imp::$method(JsValue::as_ref(self)).unchecked_into()
}
}
forward_deref_unop!(impl $imp, $method for $t);
};
}
macro_rules! forward_js_binop {
(impl $imp:ident, $method:ident for $t:ty) => {
impl $imp<&$t> for &$t {
type Output = $t;
#[inline]
fn $method(self, other: &$t) -> Self::Output {
$imp::$method(JsValue::as_ref(self), JsValue::as_ref(other)).unchecked_into()
}
}
forward_deref_binop!(impl $imp, $method for $t);
};
}
macro_rules! sum_product {
($($a:ident)*) => ($(
impl Sum for $a {
#[inline]
fn sum<I: iter::Iterator<Item=Self>>(iter: I) -> Self {
iter.fold(
$a::from(0),
|a, b| a + b,
)
}
}
impl Product for $a {
#[inline]
fn product<I: iter::Iterator<Item=Self>>(iter: I) -> Self {
iter.fold(
$a::from(1),
|a, b| a * b,
)
}
}
impl<'a> Sum<&'a $a> for $a {
fn sum<I: iter::Iterator<Item=&'a Self>>(iter: I) -> Self {
iter.fold(
$a::from(0),
|a, b| a + b,
)
}
}
impl<'a> Product<&'a $a> for $a {
#[inline]
fn product<I: iter::Iterator<Item=&'a Self>>(iter: I) -> Self {
iter.fold(
$a::from(1),
|a, b| a * b,
)
}
}
)*)
}
macro_rules! partialord_ord {
($t:ident) => {
impl PartialOrd for $t {
#[inline]
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
#[inline]
fn lt(&self, other: &Self) -> bool {
JsValue::as_ref(self).lt(JsValue::as_ref(other))
}
#[inline]
fn le(&self, other: &Self) -> bool {
JsValue::as_ref(self).le(JsValue::as_ref(other))
}
#[inline]
fn ge(&self, other: &Self) -> bool {
JsValue::as_ref(self).ge(JsValue::as_ref(other))
}
#[inline]
fn gt(&self, other: &Self) -> bool {
JsValue::as_ref(self).gt(JsValue::as_ref(other))
}
}
impl Ord for $t {
#[inline]
fn cmp(&self, other: &Self) -> Ordering {
if self == other {
Ordering::Equal
} else if self.lt(other) {
Ordering::Less
} else {
Ordering::Greater
}
}
}
};
}
#[wasm_bindgen]
extern "C" {
/// The `decodeURI()` function decodes a Uniform Resource Identifier (URI)
/// previously created by `encodeURI` or by a similar routine.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURI)
#[wasm_bindgen(catch, js_name = decodeURI)]
pub fn decode_uri(encoded: &str) -> Result<JsString, JsValue>;
/// The `decodeURIComponent()` function decodes a Uniform Resource Identifier (URI) component
/// previously created by `encodeURIComponent` or by a similar routine.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/decodeURIComponent)
#[wasm_bindgen(catch, js_name = decodeURIComponent)]
pub fn decode_uri_component(encoded: &str) -> Result<JsString, JsValue>;
/// The `encodeURI()` function encodes a Uniform Resource Identifier (URI)
/// by replacing each instance of certain characters by one, two, three, or
/// four escape sequences representing the UTF-8 encoding of the character
/// (will only be four escape sequences for characters composed of two
/// "surrogate" characters).
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURI)
#[wasm_bindgen(js_name = encodeURI)]
pub fn encode_uri(decoded: &str) -> JsString;
/// The `encodeURIComponent()` function encodes a Uniform Resource Identifier (URI) component
/// by replacing each instance of certain characters by one, two, three, or four escape sequences
/// representing the UTF-8 encoding of the character
/// (will only be four escape sequences for characters composed of two "surrogate" characters).
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/encodeURIComponent)
#[wasm_bindgen(js_name = encodeURIComponent)]
pub fn encode_uri_component(decoded: &str) -> JsString;
/// The `eval()` function evaluates JavaScript code represented as a string.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/eval)
#[wasm_bindgen(catch)]
pub fn eval(js_source_text: &str) -> Result<JsValue, JsValue>;
/// The global `isFinite()` function determines whether the passed value is a finite number.
/// If needed, the parameter is first converted to a number.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/isFinite)
#[wasm_bindgen(js_name = isFinite)]
pub fn is_finite(value: &JsValue) -> bool;
/// The `parseInt()` function parses a string argument and returns an integer
/// of the specified radix (the base in mathematical numeral systems), or NaN on error.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseInt)
#[wasm_bindgen(js_name = parseInt)]
pub fn parse_int(text: &str, radix: u8) -> f64;
/// The `parseFloat()` function parses an argument and returns a floating point number,
/// or NaN on error.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/parseFloat)
#[wasm_bindgen(js_name = parseFloat)]
pub fn parse_float(text: &str) -> f64;
/// The `escape()` function computes a new string in which certain characters have been
/// replaced by a hexadecimal escape sequence.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/escape)
#[wasm_bindgen]
pub fn escape(string: &str) -> JsString;
/// The `unescape()` function computes a new string in which hexadecimal escape
/// sequences are replaced with the character that it represents. The escape sequences might
/// be introduced by a function like `escape`. Usually, `decodeURI` or `decodeURIComponent`
/// are preferred over `unescape`.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/unescape)
#[wasm_bindgen]
pub fn unescape(string: &str) -> JsString;
}
// Array
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(extends = Object, is_type_of = Array::is_array, typescript_type = "Array<any>")]
#[derive(Clone, Debug, PartialEq, Eq)]
pub type Array;
/// Creates a new empty array.
#[wasm_bindgen(constructor)]
pub fn new() -> Array;
/// Creates a new array with the specified length (elements are initialized to `undefined`).
#[wasm_bindgen(constructor)]
pub fn new_with_length(len: u32) -> Array;
/// Retrieves the element at the index, counting from the end if negative
/// (returns `undefined` if the index is out of range).
#[wasm_bindgen(method)]
pub fn at(this: &Array, index: i32) -> JsValue;
/// Retrieves the element at the index (returns `undefined` if the index is out of range).
#[wasm_bindgen(method, structural, indexing_getter)]
pub fn get(this: &Array, index: u32) -> JsValue;
/// Sets the element at the index (auto-enlarges the array if the index is out of range).
#[wasm_bindgen(method, structural, indexing_setter)]
pub fn set(this: &Array, index: u32, value: JsValue);
/// Deletes the element at the index (does nothing if the index is out of range).
///
/// The element at the index is set to `undefined`.
///
/// This does not resize the array, the array will still be the same length.
#[wasm_bindgen(method, structural, indexing_deleter)]
pub fn delete(this: &Array, index: u32);
/// The `Array.from()` method creates a new, shallow-copied `Array` instance
/// from an array-like or iterable object.
#[wasm_bindgen(static_method_of = Array)]
pub fn from(val: &JsValue) -> Array;
/// The `copyWithin()` method shallow copies part of an array to another
/// location in the same array and returns it, without modifying its size.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/copyWithin)
#[wasm_bindgen(method, js_name = copyWithin)]
pub fn copy_within(this: &Array, target: i32, start: i32, end: i32) -> Array;
/// The `concat()` method is used to merge two or more arrays. This method
/// does not change the existing arrays, but instead returns a new array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/concat)
#[wasm_bindgen(method)]
pub fn concat(this: &Array, array: &Array) -> Array;
/// The `every()` method tests whether all elements in the array pass the test
/// implemented by the provided function.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/every)
#[wasm_bindgen(method)]
pub fn every(this: &Array, predicate: &mut dyn FnMut(JsValue, u32, Array) -> bool) -> bool;
/// The `fill()` method fills all the elements of an array from a start index
/// to an end index with a static value. The end index is not included.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/fill)
#[wasm_bindgen(method)]
pub fn fill(this: &Array, value: &JsValue, start: u32, end: u32) -> Array;
/// The `filter()` method creates a new array with all elements that pass the
/// test implemented by the provided function.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/filter)
#[wasm_bindgen(method)]
pub fn filter(this: &Array, predicate: &mut dyn FnMut(JsValue, u32, Array) -> bool) -> Array;
/// The `find()` method returns the value of the first element in the array that satisfies
/// the provided testing function. Otherwise `undefined` is returned.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find)
#[wasm_bindgen(method)]
pub fn find(this: &Array, predicate: &mut dyn FnMut(JsValue, u32, Array) -> bool) -> JsValue;
/// The `findIndex()` method returns the index of the first element in the array that
/// satisfies the provided testing function. Otherwise -1 is returned.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findIndex)
#[wasm_bindgen(method, js_name = findIndex)]
pub fn find_index(this: &Array, predicate: &mut dyn FnMut(JsValue, u32, Array) -> bool) -> i32;
/// The `findLast()` method of Array instances iterates the array in reverse order
/// and returns the value of the first element that satisfies the provided testing function.
/// If no elements satisfy the testing function, undefined is returned.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findLast)
#[wasm_bindgen(method, js_name = findLast)]
pub fn find_last(
this: &Array,
predicate: &mut dyn FnMut(JsValue, u32, Array) -> bool,
) -> JsValue;
/// The `findLastIndex()` method of Array instances iterates the array in reverse order
/// and returns the index of the first element that satisfies the provided testing function.
/// If no elements satisfy the testing function, -1 is returned.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/findLastIndex)
#[wasm_bindgen(method, js_name = findLastIndex)]
pub fn find_last_index(
this: &Array,
predicate: &mut dyn FnMut(JsValue, u32, Array) -> bool,
) -> i32;
/// The `flat()` method creates a new array with all sub-array elements concatenated into it
/// recursively up to the specified depth.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flat)
#[wasm_bindgen(method)]
pub fn flat(this: &Array, depth: i32) -> Array;
/// The `flatMap()` method first maps each element using a mapping function, then flattens
/// the result into a new array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/flatMap)
#[wasm_bindgen(method, js_name = flatMap)]
pub fn flat_map(
this: &Array,
callback: &mut dyn FnMut(JsValue, u32, Array) -> Vec<JsValue>,
) -> Array;
/// The `forEach()` method executes a provided function once for each array element.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach)
#[wasm_bindgen(method, js_name = forEach)]
pub fn for_each(this: &Array, callback: &mut dyn FnMut(JsValue, u32, Array));
/// The `includes()` method determines whether an array includes a certain
/// element, returning true or false as appropriate.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/includes)
#[wasm_bindgen(method)]
pub fn includes(this: &Array, value: &JsValue, from_index: i32) -> bool;
/// The `indexOf()` method returns the first index at which a given element
/// can be found in the array, or -1 if it is not present.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf)
#[wasm_bindgen(method, js_name = indexOf)]
pub fn index_of(this: &Array, value: &JsValue, from_index: i32) -> i32;
/// The `Array.isArray()` method determines whether the passed value is an Array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray)
#[wasm_bindgen(static_method_of = Array, js_name = isArray)]
pub fn is_array(value: &JsValue) -> bool;
/// The `join()` method joins all elements of an array (or an array-like object)
/// into a string and returns this string.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/join)
#[wasm_bindgen(method)]
pub fn join(this: &Array, delimiter: &str) -> JsString;
/// The `lastIndexOf()` method returns the last index at which a given element
/// can be found in the array, or -1 if it is not present. The array is
/// searched backwards, starting at fromIndex.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/lastIndexOf)
#[wasm_bindgen(method, js_name = lastIndexOf)]
pub fn last_index_of(this: &Array, value: &JsValue, from_index: i32) -> i32;
/// The length property of an object which is an instance of type Array
/// sets or returns the number of elements in that array. The value is an
/// unsigned, 32-bit integer that is always numerically greater than the
/// highest index in the array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/length)
#[wasm_bindgen(method, getter, structural)]
pub fn length(this: &Array) -> u32;
/// Sets the length of the array.
///
/// If it is set to less than the current length of the array, it will
/// shrink the array.
///
/// If it is set to more than the current length of the array, it will
/// increase the length of the array, filling the new space with empty
/// slots.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/length)
#[wasm_bindgen(method, setter)]
pub fn set_length(this: &Array, value: u32);
/// `map()` calls a provided callback function once for each element in an array,
/// in order, and constructs a new array from the results. callback is invoked
/// only for indexes of the array which have assigned values, including undefined.
/// It is not called for missing elements of the array (that is, indexes that have
/// never been set, which have been deleted or which have never been assigned a value).
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map)
#[wasm_bindgen(method)]
pub fn map(this: &Array, predicate: &mut dyn FnMut(JsValue, u32, Array) -> JsValue) -> Array;
/// The `Array.of()` method creates a new Array instance with a variable
/// number of arguments, regardless of number or type of the arguments.
///
/// The difference between `Array.of()` and the `Array` constructor is in the
/// handling of integer arguments: `Array.of(7)` creates an array with a single
/// element, `7`, whereas `Array(7)` creates an empty array with a `length`
/// property of `7` (Note: this implies an array of 7 empty slots, not slots
/// with actual undefined values).
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/of)
///
/// # Notes
///
/// There are a few bindings to `of` in `js-sys`: `of1`, `of2`, etc...
/// with different arities.
#[wasm_bindgen(static_method_of = Array, js_name = of)]
pub fn of1(a: &JsValue) -> Array;
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/of)
#[wasm_bindgen(static_method_of = Array, js_name = of)]
pub fn of2(a: &JsValue, b: &JsValue) -> Array;
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/of)
#[wasm_bindgen(static_method_of = Array, js_name = of)]
pub fn of3(a: &JsValue, b: &JsValue, c: &JsValue) -> Array;
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/of)
#[wasm_bindgen(static_method_of = Array, js_name = of)]
pub fn of4(a: &JsValue, b: &JsValue, c: &JsValue, d: &JsValue) -> Array;
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/of)
#[wasm_bindgen(static_method_of = Array, js_name = of)]
pub fn of5(a: &JsValue, b: &JsValue, c: &JsValue, d: &JsValue, e: &JsValue) -> Array;
/// The `pop()` method removes the last element from an array and returns that
/// element. This method changes the length of the array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/pop)
#[wasm_bindgen(method)]
pub fn pop(this: &Array) -> JsValue;
/// The `push()` method adds one or more elements to the end of an array and
/// returns the new length of the array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/push)
#[wasm_bindgen(method)]
pub fn push(this: &Array, value: &JsValue) -> u32;
/// The `reduce()` method applies a function against an accumulator and each element in
/// the array (from left to right) to reduce it to a single value.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce)
#[wasm_bindgen(method)]
pub fn reduce(
this: &Array,
predicate: &mut dyn FnMut(JsValue, JsValue, u32, Array) -> JsValue,
initial_value: &JsValue,
) -> JsValue;
/// The `reduceRight()` method applies a function against an accumulator and each value
/// of the array (from right-to-left) to reduce it to a single value.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/ReduceRight)
#[wasm_bindgen(method, js_name = reduceRight)]
pub fn reduce_right(
this: &Array,
predicate: &mut dyn FnMut(JsValue, JsValue, u32, Array) -> JsValue,
initial_value: &JsValue,
) -> JsValue;
/// The `reverse()` method reverses an array in place. The first array
/// element becomes the last, and the last array element becomes the first.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reverse)
#[wasm_bindgen(method)]
pub fn reverse(this: &Array) -> Array;
/// The `shift()` method removes the first element from an array and returns
/// that removed element. This method changes the length of the array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/shift)
#[wasm_bindgen(method)]
pub fn shift(this: &Array) -> JsValue;
/// The `slice()` method returns a shallow copy of a portion of an array into
/// a new array object selected from begin to end (end not included).
/// The original array will not be modified.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/slice)
#[wasm_bindgen(method)]
pub fn slice(this: &Array, start: u32, end: u32) -> Array;
/// The `some()` method tests whether at least one element in the array passes the test implemented
/// by the provided function.
/// Note: This method returns false for any condition put on an empty array.
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/some)
#[wasm_bindgen(method)]
pub fn some(this: &Array, predicate: &mut dyn FnMut(JsValue) -> bool) -> bool;
/// The `sort()` method sorts the elements of an array in place and returns
/// the array. The sort is not necessarily stable. The default sort
/// order is according to string Unicode code points.
///
/// The time and space complexity of the sort cannot be guaranteed as it
/// is implementation dependent.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort)
#[wasm_bindgen(method)]
pub fn sort(this: &Array) -> Array;
/// The `splice()` method changes the contents of an array by removing existing elements and/or
/// adding new elements.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice)
#[wasm_bindgen(method)]
pub fn splice(this: &Array, start: u32, delete_count: u32, item: &JsValue) -> Array;
/// The `toLocaleString()` method returns a string representing the elements of the array.
/// The elements are converted to Strings using their toLocaleString methods and these
/// Strings are separated by a locale-specific String (such as a comma “,”).
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/toLocaleString)
#[wasm_bindgen(method, js_name = toLocaleString)]
pub fn to_locale_string(this: &Array, locales: &JsValue, options: &JsValue) -> JsString;
/// The `toString()` method returns a string representing the specified array
/// and its elements.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/toString)
#[wasm_bindgen(method, js_name = toString)]
pub fn to_string(this: &Array) -> JsString;
/// The `unshift()` method adds one or more elements to the beginning of an
/// array and returns the new length of the array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/unshift)
#[wasm_bindgen(method)]
pub fn unshift(this: &Array, value: &JsValue) -> u32;
}
/// Iterator returned by `Array::into_iter`
#[derive(Debug, Clone)]
pub struct ArrayIntoIter {
range: core::ops::Range<u32>,
array: Array,
}
impl core::iter::Iterator for ArrayIntoIter {
type Item = JsValue;
fn next(&mut self) -> Option<Self::Item> {
let index = self.range.next()?;
Some(self.array.get(index))
}
#[inline]
fn size_hint(&self) -> (usize, Option<usize>) {
self.range.size_hint()
}
#[inline]
fn count(self) -> usize
where
Self: Sized,
{
self.range.count()
}
#[inline]
fn last(self) -> Option<Self::Item>
where
Self: Sized,
{
let Self { range, array } = self;
range.last().map(|index| array.get(index))
}
#[inline]
fn nth(&mut self, n: usize) -> Option<Self::Item> {
self.range.nth(n).map(|index| self.array.get(index))
}
}
impl core::iter::DoubleEndedIterator for ArrayIntoIter {
fn next_back(&mut self) -> Option<Self::Item> {
let index = self.range.next_back()?;
Some(self.array.get(index))
}
fn nth_back(&mut self, n: usize) -> Option<Self::Item> {
self.range.nth_back(n).map(|index| self.array.get(index))
}
}
impl core::iter::FusedIterator for ArrayIntoIter {}
impl core::iter::ExactSizeIterator for ArrayIntoIter {}
/// Iterator returned by `Array::iter`
#[derive(Debug, Clone)]
pub struct ArrayIter<'a> {
range: core::ops::Range<u32>,
array: &'a Array,
}
impl core::iter::Iterator for ArrayIter<'_> {
type Item = JsValue;
fn next(&mut self) -> Option<Self::Item> {
let index = self.range.next()?;
Some(self.array.get(index))
}
#[inline]
fn size_hint(&self) -> (usize, Option<usize>) {
self.range.size_hint()
}
#[inline]
fn count(self) -> usize
where
Self: Sized,
{
self.range.count()
}
#[inline]
fn last(self) -> Option<Self::Item>
where
Self: Sized,
{
let Self { range, array } = self;
range.last().map(|index| array.get(index))
}
#[inline]
fn nth(&mut self, n: usize) -> Option<Self::Item> {
self.range.nth(n).map(|index| self.array.get(index))
}
}
impl core::iter::DoubleEndedIterator for ArrayIter<'_> {
fn next_back(&mut self) -> Option<Self::Item> {
let index = self.range.next_back()?;
Some(self.array.get(index))
}
fn nth_back(&mut self, n: usize) -> Option<Self::Item> {
self.range.nth_back(n).map(|index| self.array.get(index))
}
}
impl core::iter::FusedIterator for ArrayIter<'_> {}
impl core::iter::ExactSizeIterator for ArrayIter<'_> {}
impl Array {
/// Returns an iterator over the values of the JS array.
pub fn iter(&self) -> ArrayIter<'_> {
ArrayIter {
range: 0..self.length(),
array: self,
}
}
/// Converts the JS array into a new Vec.
pub fn to_vec(&self) -> Vec<JsValue> {
let len = self.length();
let mut output = Vec::with_capacity(len as usize);
for i in 0..len {
output.push(self.get(i));
}
output
}
}
impl core::iter::IntoIterator for Array {
type Item = JsValue;
type IntoIter = ArrayIntoIter;
fn into_iter(self) -> Self::IntoIter {
ArrayIntoIter {
range: 0..self.length(),
array: self,
}
}
}
// TODO pre-initialize the Array with the correct length using TrustedLen
impl<A> core::iter::FromIterator<A> for Array
where
A: AsRef<JsValue>,
{
fn from_iter<T>(iter: T) -> Array
where
T: IntoIterator<Item = A>,
{
let mut out = Array::new();
out.extend(iter);
out
}
}
impl<A> core::iter::Extend<A> for Array
where
A: AsRef<JsValue>,
{
fn extend<T>(&mut self, iter: T)
where
T: IntoIterator<Item = A>,
{
for value in iter {
self.push(value.as_ref());
}
}
}
impl Default for Array {
fn default() -> Self {
Self::new()
}
}
// ArrayBuffer
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(extends = Object, typescript_type = "ArrayBuffer")]
#[derive(Clone, Debug, PartialEq, Eq)]
pub type ArrayBuffer;
/// The `ArrayBuffer` object is used to represent a generic,
/// fixed-length raw binary data buffer. You cannot directly
/// manipulate the contents of an `ArrayBuffer`; instead, you
/// create one of the typed array objects or a `DataView` object
/// which represents the buffer in a specific format, and use that
/// to read and write the contents of the buffer.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer)
#[wasm_bindgen(constructor)]
pub fn new(length: u32) -> ArrayBuffer;
/// The byteLength property of an object which is an instance of type ArrayBuffer
/// it's an accessor property whose set accessor function is undefined,
/// meaning that you can only read this property.
/// The value is established when the array is constructed and cannot be changed.
/// This property returns 0 if this ArrayBuffer has been detached.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/byteLength)
#[wasm_bindgen(method, getter, js_name = byteLength)]
pub fn byte_length(this: &ArrayBuffer) -> u32;
/// The `isView()` method returns true if arg is one of the `ArrayBuffer`
/// views, such as typed array objects or a DataView; false otherwise.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/isView)
#[wasm_bindgen(static_method_of = ArrayBuffer, js_name = isView)]
pub fn is_view(value: &JsValue) -> bool;
/// The `slice()` method returns a new `ArrayBuffer` whose contents
/// are a copy of this `ArrayBuffer`'s bytes from begin, inclusive,
/// up to end, exclusive.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/slice)
#[wasm_bindgen(method)]
pub fn slice(this: &ArrayBuffer, begin: u32) -> ArrayBuffer;
/// Like `slice()` but with the `end` argument.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/ArrayBuffer/slice)
#[wasm_bindgen(method, js_name = slice)]
pub fn slice_with_end(this: &ArrayBuffer, begin: u32, end: u32) -> ArrayBuffer;
}
// SharedArrayBuffer
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(extends = Object, typescript_type = "SharedArrayBuffer")]
#[derive(Clone, Debug)]
pub type SharedArrayBuffer;
/// The `SharedArrayBuffer` object is used to represent a generic,
/// fixed-length raw binary data buffer, similar to the `ArrayBuffer`
/// object, but in a way that they can be used to create views
/// on shared memory. Unlike an `ArrayBuffer`, a `SharedArrayBuffer`
/// cannot become detached.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer)
#[wasm_bindgen(constructor)]
pub fn new(length: u32) -> SharedArrayBuffer;
/// The byteLength accessor property represents the length of
/// an `SharedArrayBuffer` in bytes. This is established when
/// the `SharedArrayBuffer` is constructed and cannot be changed.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/byteLength)
#[wasm_bindgen(method, getter, js_name = byteLength)]
pub fn byte_length(this: &SharedArrayBuffer) -> u32;
/// The `slice()` method returns a new `SharedArrayBuffer` whose contents
/// are a copy of this `SharedArrayBuffer`'s bytes from begin, inclusive,
/// up to end, exclusive.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/slice)
#[wasm_bindgen(method)]
pub fn slice(this: &SharedArrayBuffer, begin: u32) -> SharedArrayBuffer;
/// Like `slice()` but with the `end` argument.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/SharedArrayBuffer/slice)
#[wasm_bindgen(method, js_name = slice)]
pub fn slice_with_end(this: &SharedArrayBuffer, begin: u32, end: u32) -> SharedArrayBuffer;
}
// Array Iterator
#[wasm_bindgen]
extern "C" {
/// The `keys()` method returns a new Array Iterator object that contains the
/// keys for each index in the array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/keys)
#[wasm_bindgen(method)]
pub fn keys(this: &Array) -> Iterator;
/// The `entries()` method returns a new Array Iterator object that contains
/// the key/value pairs for each index in the array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/entries)
#[wasm_bindgen(method)]
pub fn entries(this: &Array) -> Iterator;
/// The `values()` method returns a new Array Iterator object that
/// contains the values for each index in the array.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/values)
#[wasm_bindgen(method)]
pub fn values(this: &Array) -> Iterator;
}
/// The `Atomics` object provides atomic operations as static methods.
/// They are used with `SharedArrayBuffer` objects.
///
/// The Atomic operations are installed on an `Atomics` module. Unlike
/// the other global objects, `Atomics` is not a constructor. You cannot
/// use it with a new operator or invoke the `Atomics` object as a
/// function. All properties and methods of `Atomics` are static
/// (as is the case with the Math object, for example).
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics)
#[allow(non_snake_case)]
pub mod Atomics {
use super::*;
#[wasm_bindgen]
extern "C" {
/// The static `Atomics.add()` method adds a given value at a given
/// position in the array and returns the old value at that position.
/// This atomic operation guarantees that no other write happens
/// until the modified value is written back.
///
/// You should use `add_bigint` to operate on a `BigInt64Array` or a `BigUint64Array`.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/add)
#[wasm_bindgen(js_namespace = Atomics, catch)]
pub fn add(typed_array: &JsValue, index: u32, value: i32) -> Result<i32, JsValue>;
/// The static `Atomics.add()` method adds a given value at a given
/// position in the array and returns the old value at that position.
/// This atomic operation guarantees that no other write happens
/// until the modified value is written back.
///
/// This method is used to operate on a `BigInt64Array` or a `BigUint64Array`.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/add)
#[wasm_bindgen(js_namespace = Atomics, catch, js_name = add)]
pub fn add_bigint(typed_array: &JsValue, index: u32, value: i64) -> Result<i64, JsValue>;
/// The static `Atomics.and()` method computes a bitwise AND with a given
/// value at a given position in the array, and returns the old value
/// at that position.
/// This atomic operation guarantees that no other write happens
/// until the modified value is written back.
///
/// You should use `and_bigint` to operate on a `BigInt64Array` or a `BigUint64Array`.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/and)
#[wasm_bindgen(js_namespace = Atomics, catch)]
pub fn and(typed_array: &JsValue, index: u32, value: i32) -> Result<i32, JsValue>;
/// The static `Atomics.and()` method computes a bitwise AND with a given
/// value at a given position in the array, and returns the old value
/// at that position.
/// This atomic operation guarantees that no other write happens
/// until the modified value is written back.
///
/// This method is used to operate on a `BigInt64Array` or a `BigUint64Array`.
///
/// [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Atomics/and)