21 lines
547 B
JavaScript
21 lines
547 B
JavaScript
var isFunction = require('./isFunction');
|
|
var isNil = require('./isNil');
|
|
var fail = require('./fail');
|
|
var stringify = require('./stringify');
|
|
|
|
function assert(guard, message) {
|
|
if (guard !== true) {
|
|
if (isFunction(message)) { // handle lazy messages
|
|
message = message();
|
|
}
|
|
else if (isNil(message)) { // use a default message
|
|
message = 'Assert failed (turn on "Pause on exceptions" in your Source panel)';
|
|
}
|
|
assert.fail(message);
|
|
}
|
|
}
|
|
|
|
assert.fail = fail;
|
|
assert.stringify = stringify;
|
|
|
|
module.exports = assert; |