js_validate_script: Validate JavaScript

In jeroenooms/js: Tools for Working with JavaScript in R

Description

Simple wrapper for ct$validate in V8. Tests if code constitutes a syntactically valid JS script.

Usage

js_validate_script(text, error = TRUE)

Arguments

text	character vector with JavaScript code
error	raise error on invalid code

Examples

js_validate_script("function foo(x){2*x}") #TRUE
js_validate_script("foo = function(x){2*x}") #TRUE

# Anonymous functions in global scope are invalid
js_validate_script("function(x){2*x}", error = FALSE) #FALSE

# Use ! or () to check anonymous function syntax
js_validate_script("!function(x){2*x}") #TRUE
js_validate_script("(function(x){2*x})") #TRUE

jeroenooms/js documentation built on June 6, 2020, 4:15 p.m.