`crow/js/util.crow` (source)

`cast-option`[`t`] `t?`(`a` `js-any`) `unsafe`

Converts a JS nullable / undefined-able value to 't'.

`deep-equals` `bool`(`a` `js-any`, `b` `js-any`) `unsafe`

Compares two JS objects deeply.
This won't work on opaque types.

`make-class` `js-any`(`super-class` `js-any`, `constructor` `mut` `js-any`((`js-any`, `js-any` `array`) `tuple2`), `methods` `symbol[` `mut` `js-any`((`js-any`, `js-any` `array`) `tuple2`)`]`) `unsafe`

Creates a new JavaScript class.
This currently does not support fields, getters/setters, or calling 'super' with arguments.

`method` `alias`

mut js-any((js-any, js-any array) tuple2)

`json-parse` `js-any`(`a` `string`) `unsafe`

Same as JSON.parse(a) in JS.
Returns a JS object, not a json value.

`json-stringify` `string`(`a` `js-any`) `unsafe`

Same as JSON.stringify(a) in JS.