v/vlib/builtin/js/builtin.js.v

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2020-11-24 22:52:23 +01:00
module builtin
// used to generate JS throw statements.
pub fn js_throw(s any) {
#throw (s instanceof Error ? s : new Error(s))
}
pub fn println(s any) {
$if js_freestanding {
#print(s.toString())
} $else {
#console.log(s.toString())
}
}
pub fn print(s any) {
$if js_node {
#$process.stdout.write(s.toString())
} $else {
panic('Cannot `print` in a browser, use `println` instead')
}
}
pub fn eprintln(s any) {
$if js_freestanding {
#print(s.toString())
} $else {
#console.error(s.toString())
}
}
pub fn eprint(s any) {
$if js_node {
#$process.stderr.write(s.toString())
} $else {
panic('Cannot `eprint` in a browser, use `println` instead')
}
}
// Exits the process in node, and halts execution in the browser
// because `process.exit` is undefined. Workaround for not having
// a 'real' way to exit in the browser.
pub fn exit(c int) {
JS.process.exit(c)
js_throw('exit($c)')
}