scim2-filter

scim2-filter
============

RFC7643 SCIM(System for Cross-domain Identity Management) 2.0 filter parser.
see section 3.4.2.2. Filtering.

This implements filter syntax parser and json filter function.

usage
-----

You can parse filter query and get ast.

``javascript
import {parse} from 'scim2-filter';

const f = parse(userType eq "Employee" and emails[type eq "work" and value co "@example.com"]);
assert.deepEqual(f, {
op:"and",
filters:[
{
op:"eq",
attrPath:"userType",
compValue:"Employee"
},
{
op:"[]",
attrPath:"emails",
valFilter:{
op:"and",
filters:[
{
op:"eq",
attrPath:"type",
compValue:"work"
},
{
op:"co",
attrPath:"value",
compValue:"@example.com"
}
]
}
}
]
});
`


and You can use filter in json.

`javascript
import {parse, filter} from 'scim2-filter';

const f = filter(parse(userName eq "test1@example.com"));
const users = [
{ userName: "test1@example.com" },
{ userName: "test2@example.com" }
];
const ret = users.filter(f);
assert.deepEqual(ret, [users[0]]);
``