JSContext-method-source: Evaluate JS string or file in the current context

In QuickJSR: Interface for the 'QuickJS' Lightweight 'JavaScript' Engine

Evaluate JS string or file in the current context

Description

Evaluate a provided JavaScript file or string within the initialised context. Note that this method should only be used for initialising functions or values within the context, no values are returned from this function. See the ⁠$call()⁠ method for returning values.

Usage

source(file = NULL, code = NULL)

Arguments

file	A path to the JavaScript file to load
code	A single string of JavaScript to evaluate

Format

An object of class NULL of length 0.

Value

No return value, called for side effects

Examples

## Not run: 
ctx <- JSContext$new()
ctx$source(file = "path/to/file.js")
ctx$source(code = "1 + 2")

## End(Not run)

QuickJSR documentation built on April 13, 2025, 5:12 p.m.