Module utils

Utilities for calling JavaScript functions and retrieving values from JavaScript object properties.

Functions

apply_with_args0

Call a JavaScript function without arguments

apply_with_args1

Call a JavaScript function with a single argument

apply_with_args2

Call a JavaScript function with two arguments

try_get_bool_from_prop

Obtain a bool value from the object property prop

try_get_f64_from_prop

Obtain f64 value from an object property. Results in an Error if the value is not a number.

try_get_js_value_prop

Obtain a JsValue from a JavaScript object property. Results in an Error if the property does not exist.

try_get_string_from_prop

Obtain a String value from the object property prop

try_get_u8_from_prop

Obtain u8 value from the object property prop. Results in an Error if the value is not a number or the number value is out of bounds (0..u8::MAX).

try_get_u16_from_prop

Obtain u16 value from the object property prop. Results in an Error if the value is not a number or the number value is out of bounds (0..u16::MAX).

try_get_u32_from_prop

Obtain u32 value from the object property prop.

try_get_u64_from_prop

Obtain a u64 value from an object property. Results in an Error if the value is not a number, rounded u64 if the value is a number.

try_get_vec_from_prop

Obtain Vec<JsValue> by treating the object property prop as an array

try_get_vec_u8_from_bn

Obtain Vec<u8> from the supplied big number

try_get_vec_u8_from_bn_prop

Obtain a Vec<u8> from the property prop expressed as a big number

try_get_vec_u8_from_number_array_prop

Obtain a Vec<u8> value from the object property prop (using Uint8Array)

try_get_vec_u8_from_uint8_array_prop

Obtain a Vec<u8> value from the object property prop (using Uint8Array)