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wql

1.3.0 • Public • Published

wql

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wql is a WHERE clause generator for WQL queries using MongoDB syntax.

Installation

npm i --save wql

Examples

import wql from 'wql';

Simple matching

wql({
  propString: 'str',
  propLike: { $like: 'foo' },
  propNumber: { $gt: 1 },
  propBool: true,
});

output

propString = "str" AND propLike like "%foo%" AND propNumber > 1 AND propBool = true

Arrays (in)

wql({
  foo: { $in: [1, 2, 5, 10] },
});

output

(foo = 1 OR foo = 2 OR foo = 5 OR foo = 10)

Arrays (not in)

wql({
  foo: { $nin: [1, 2, 5, 10] },
});

output

(foo != 1 AND foo != 2 AND foo != 5 AND foo != 10)

AND

wql({
  $and: [
    { foo1: 1, bar1: 'a' },
    { foo2: 2, bar2: 'b' },
  ],
});

output

(foo1 = 1 AND bar1 = "a") AND (foo2 = 2 AND bar2 = "b")

OR

wql({
  $or: [
    { foo1: 1, bar1: 'a' },
    { foo2: 2, bar2: 'b' },
  ],
});

output

(foo1 = 1 AND bar1 = "a") OR (foo2 = 2 AND bar2 = "b")

Nested queries

wql({
  $and: [
    { foo1: 1, bar1: 'a' },
    {
      $or: [
        { a: 1, c: 1 },
        { b: 2, c: 1 },
      ],
    },
  ],
};

output

(foo1 = 1 AND bar1 = "a") AND ((a = 1 AND c = 1) OR (b = 2 AND c = 1))

Supported operators

  • $ne
  • $eq
  • $gte
  • $lte
  • $gt
  • $lt
  • $in
  • $nin
  • $like
  • $startsWith

MIT License

Copyright (c) 2016 Łukasz Sentkiewicz

install

npm i wql

Downloadsweekly downloads

8

version

1.3.0

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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