The FieldVal-JS library allows you to easily validate data and provide readable and structured error reports.
Documentation and examples can be found at http://fieldval.com
This project uses gulp.js to build and mocha to test.
npm install
gulp js
mocha test/test
When an invalid date format is passed to the validator, calling get returns undefined and if it is further passed to the function date_with_format_array the following error occurs.
TypeError: Cannot read property 'length' of undefined
at Object.date_with_format_array (file:///path/fieldval.js:902:44)
I check if format_array is an array in the function date_with_format_array first to prevent such problem.
I forked you to add the option to ignore unrecognized fields because my UI framework adds some but my Node.js API doesn't need to care. But, while reading through your code I noticed that I can get effectively the same results by instantiating my validator with a null second parameter (existing_error) : new FieldVal(input, null);
But, I think that's just a coincidence since it still does unrecognized logic checking in generate_response().
I took a quick stab at accepting options without breaking backwards compatibility over here : https://github.com/darcling/fieldval-js/commit/76cfc059a8297baa78dc460210fe981b41ff7fb0 But I only added the 'ignore unrecognized fields' option because that's what I needed : )
You may have a better way.
Thanks for the library by the way, I'm just getting rolling with it.
This solves the same issue as #26 (credit to @waitingcheung for his implementation that inspired this one).
The issue being that date_with_format_array does not throw any exception if an invalid date format array is provided, leading to a rather vague exception.
I've implemented a date_format_array check, which is then used in the date_with_format_array check to ensure that the provided date format is indeed a valid format array.
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The following error occurs when the value is missing for min_length and max_length. I have added a test case to reproduce the problem and the corresponding fix.
if (value.length > max_len) {
^
TypeError: Cannot read property 'length' of undefined
at Object.check (/path/fieldval.js:1460:26)
at Function.FieldVal.use_check (/path/fieldval.js:649:50)
at Function.FieldVal.use_checks (/path/fieldval.js:703:38)
at Object.check (/path/fieldval.js:1802:49)
at Function.FieldVal.use_check (/path/fieldval.js:649:50)
at check_done (/path/fieldval.js:578:46)
at Function.FieldVal.use_check (/path/fieldval.js:589:17)
at Function.FieldVal.use_checks (/path/fieldval.js:703:38)
at FieldVal.get_async (/path/fieldval.js:274:39)
at FieldVal.get (/path/fieldval.js:244:31)
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