Class RbValue

A RbValue is an object that represents a value in Ruby

Methods

call callAsync [toPrimitive] toString toJS

Methods

call

  • call(callee: string, ...args: RbValue[]): RbValue

    Call a given method with given arguments

    Parameters

    • callee: string

      name of the Ruby method to call

    • ...args: RbValue[]

      arguments to pass to the method. Must be an array of RbValue

    Returns RbValue

    The result of the method call as a new RbValue.

    Example

    const ary = vm.eval("[1, 2, 3]");
    ary.call("push", 4);
    console.log(ary.call("sample").toString());

callAsync

  • callAsync(callee: string, ...args: RbValue[]): Promise<RbValue>

    Call a given method that may call JS::Object#await with given arguments

    Parameters

    • callee: string

      name of the Ruby method to call

    • ...args: RbValue[]

      arguments to pass to the method. Must be an array of RbValue

    Returns Promise<RbValue>

    A Promise that resolves to the result of the method call as a new RbValue.

    Example

    const client = vm.eval(`
      require 'js'
      class HttpClient
        def get(url)
          JS.global.fetch(url).await
        end
      end
      HttpClient.new
    `);
    const response = await client.callAsync("get", vm.eval(`"https://example.com"`));

[toPrimitive]

toString

toJS

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