Add _like operator, credit goes to @tony-kerz for the idea

Author: typicode

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Change Log
 
+## [0.8.4][2015-12-13]
+
+### Added
+
+* Like operator `GET /posts?title_like=json` (accepts RegExp)
+
 ## [0.8.3][2015-11-25]
 
 ### Added

README.md

@@ -112,6 +112,12 @@ Add `_ne` to exclude a value
 GET /posts?id_ne=1
 ```
 
+Add `_like` to filter using RegExp
+
+```
+GET /posts?title_like=server
+```
+
 ### Full-text search
 
 Add `q`

package.json

@@ -35,7 +35,9 @@
     "supertest": "~0.8.1"
   },
   "scripts": {
-    "test": "NODE_ENV=test mocha -R spec test/**/*.js && standard",
+    "test": "npm run test:cli && npm run test:server && standard",
+    "test:cli": "NODE_ENV=test mocha -R spec test/cli/*.js",
+    "test:server": "NODE_ENV=test mocha -R spec test/server/*.js",
     "start": "node bin",
     "prepush": "npm t"
   },

src/server/router/plural.js

@@ -74,7 +74,8 @@ module.exports = function (db, name) {
           query === '_' ||
           query.indexOf('_lte') !== -1 ||
           query.indexOf('_gte') !== -1 ||
-          query.indexOf('_ne') !== -1
+          query.indexOf('_ne') !== -1 ||
+          query.indexOf('_like') !== -1
         ) return
       }
       delete req.query[query]
@@ -109,21 +110,22 @@ module.exports = function (db, name) {
             .map(function (value) {
               var isDifferent = key.indexOf('_ne') !== -1
               var isRange = key.indexOf('_lte') !== -1 || key.indexOf('_gte') !== -1
-              var path = key.replace(/(_lte|_gte|_ne)$/, '')
-              var elementValue
+              var isLike = key.indexOf('_like') !== -1
+              var path = key.replace(/(_lte|_gte|_ne|_like)$/, '')
+              var elementValue = _.get(element, path)
 
               if (isRange) {
                 var isLowerThan = key.indexOf('_gte') !== -1
-                elementValue = _.get(element, path)
 
                 if (isLowerThan) {
                   return value <= elementValue
                 } else {
                   return value >= elementValue
                 }
               } else if (isDifferent) {
-                elementValue = _.get(element, path)
                 return value !== elementValue
+              } else if (isLike) {
+                return new RegExp(value).test(elementValue)
               } else {
                 return _.matchesProperty(key, value)(element)
               }

test/server/plural.js

@@ -244,6 +244,19 @@ describe('Server', function () {
     })
   })
 
+  describe('GET /:resource?attr_like=', function () {
+    it('should respond with an array that matches the like operator', function (done) {
+      request(server)
+        .get('/tags?body_like=hoto')
+        .expect('Content-Type', /json/)
+        .expect([
+          db.tags[1],
+          db.tags[2]
+        ])
+        .expect(200, done)
+    })
+  })
+
   describe('GET /:parent/:parentId/:resource', function () {
     it('should respond with json and corresponding nested resources', function (done) {
       request(server)