GitHub - trip41/modify-results: Place to store filter functions. Please include cloned api for reference in comments!

A collection of filter functions.

#Default transforms

split
sort
remove
merge
removeProp
renameProperty
renameCollection
replace
toInt
toFloat
custom
deep_selection

#Documentation

####split(option)

Split one string property into multiple properties according to the separator.

#####Arguments

option (Object): The configuration of this transform. It should contain following properties:
- collection (String): The collection being modified. Optional if current collection has been set previously via setCurrentCollection()
- property (String): The property whose value is being splited. The value being splited must be a string.
- separator (String|RegExp): The character, or regular expression, to use for splitting the string.
- names: (Array[String]): Optional. An array of strings that specifies the names of new properties generated by the split. If not provided, they will be generated automatically by appending 0, 1, 2, ... to the end of property specified above.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1.", "Karma": "329 points" },
      { "ID": "2.", "Karma": "171 points" },
      { "ID": "3.", "Karma": "145 points" }
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.split({
  property: "Karma",
  separator: " ",
  names: ["Num", "Unit"]
})
.output(function(data) {
  console.log(data);
});

// will print
// {
//   "name": "sample_input",
//   "results": {
//     "collection1": [
//       { "ID": "1.", "Num": "329", "Unit": "points" },
//       { "ID": "2.", "Num": "171", "Unit": "points" },
//       { "ID": "3.", "Num": "145", "Unit": "points" }
//     ]
//   }
// };

####sort(option)

Sort a collection according to the specified property.

#####Arguments

option (Object): The configuration of this transform. It should contain following properties:
- collection (String): The collection being modified. Optional if current collection has been set previously via setCurrentCollection()
- property (String): The property being compared during sort.
- lowToHigh (boolean): Set to 1 to sort in ascending order, 0 otherwise.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1.", "Karma": "329 points" },
      { "ID": "2.", "Karma": "171 points" },
      { "ID": "3.", "Karma": "145 points" }
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.split({
  property: "Karma",
  lowToHigh: 1
})
.output(function(data) {
  console.log(data);
 });

// will print
// {
//   "name": "sample_input",
//   "results": {
//     "collection1": [
//       { "ID": "3.", "Num": "145", "Unit": "points" }
//       { "ID": "2.", "Num": "171", "Unit": "points" },
//       { "ID": "1.", "Num": "329", "Unit": "points" },
//     ]
//   }
// };

####remove(option)

Remove items in a collection that does not satisfy given conditions

#####Arguments

option (Object): The configuration of this transform. It should contain following properties:
- collection (String): The collection being modified. Optional if current collection has been set previously via setCurrentCollection()
- property (String): The property being tested.
- opreator (String): The operator being used when comparing property against given target. The operator must be one of <, <=, >, >=, ==, ===, !=, !==.
- target (String|Number|Undefined): The target value being compared against when testing.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1", "Karma": "329 points" },
      { "ID": "2", "Karma": "171 points" },
      { "ID": "3", "Karma": "145 points" }
      { "ID": "4", "Karma": "49 points" },
      { "ID": "5", "Karma": "129 points" }
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.remove({
  property: 'ID',
  operator: '<=',
  target: 2
})
.output(function(data) {
  console.log(data);
 });

// will print
// {
//   "name": "sample_input",
//   "results": {
//     "collection1": [
//       { "ID": "1.", "Num": "329", "Unit": "points" },
//       { "ID": "2.", "Num": "171", "Unit": "points" },
//     ]
//   }
// };

####merge(option)

Merge mutlitple properties into one property.

#####Arguments

option (Object): The configuration of this transform. It should contain following properties:
- collection (String): The collection being modified. Optional if current collection has been set previously via setCurrentCollection()
- properties (Array[String]): An array of properties being merged.
- newProp (String): The name of merged property.
- newProperties (Array[String]): An array of new names of properties being merged. Old names will be used if new names are not provided.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1", "Karma": "329 points", "href": "https://abc.com" },
      { "ID": "2", "Karma": "171 points", "href": "https://def.com" },
      { "ID": "3", "Karma": "145 points", "href": "https://hij.com" },
      { "ID": "4", "Karma": "49 points", "href": "https://klm.com" },
      { "ID": "5", "Karma": "129 points", "href": "https://nop.com" }
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.merge({
  properties: ['Karma', 'href'],
  newProp: 'Data',
  newProperies: ['data_karma', 'data_href']
})
.output(function(data) {
  console.log(data);
 });

// will print
// {
//   "name": "sample_input",
//   "results": {
//     "collection1": [
//       { "ID": "1", Data: { "data_karma": "329 points", "data_href": "https://abc.com" }},
//       { "ID": "2", Data: { "data_karma": "171 points", "data_href": "https://def.com" }},
//       { "ID": "3", Data: { "data_karma": "145 points", "data_href": "https://hij.com" }},
//       { "ID": "4", Data: { "data_karma": "49 points", "data_href": "https://klm.com" }},
//       { "ID": "5", Data: { "data_karma": "129 points", "data_href": "https://nop.com" }}
//     ]
//   }
// }

####removeProp(option)

Remove one or more properteis from collection.

#####Arguments

option (Object): The configuration of this transform. It should contain following properties:
- collection (String): The collection being modified. Optional if current collection has been set previously via setCurrentCollection()
- properties (Array[String]): An array of properties being removed.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1", "Karma": "329 points", "href": "https://abc.com" },
      { "ID": "2", "Karma": "171 points", "href": "https://def.com" },
      { "ID": "3", "Karma": "145 points", "href": "https://hij.com" },
      { "ID": "4", "Karma": "49 points", "href": "https://klm.com" },
      { "ID": "5", "Karma": "129 points", "href": "https://nop.com" }
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.remove({
  properties: ['Karma', 'href']
})
.output(function(data) {
  console.log(data);
 });

// will print
// {
//   "name": "sample_input",
//   "results": {
//     "collection1": [
//       { "ID": "1" },
//       { "ID": "2" },
//       { "ID": "3" },
//       { "ID": "4" },
//       { "ID": "5" }
//     ]
//   }
// };

####renameProperty(option)

Rename one properties.

#####Arguments

option (Object): The configuration of this transform. It should contain following properties:
- collection (String): The collection being modified. Optional if current collection has been set previously via setCurrentCollection().
- properties (Array[String]): An array of properties being renamed.
- newnames (Array[String]): An array of new names to be used.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1", Data: { "Karma": "329 points", "href": "https://abc.com" }},
      { "ID": "2", Data: { "Karma": "171 points", "href": "https://def.com" }},
      { "ID": "3", Data: { "Karma": "145 points", "href": "https://hij.com" }},
      { "ID": "4", Data: { "Karma": "49 points", "href": "https://klm.com"  }},
      { "ID": "5", Data: { "Karma": "129 points", "href": "https://nop.com" }}
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.renameProperty({
  property: ['ID', 'Data.href'],
  newname: ['id', 'Data.link']
})
.output(function(data) {
  console.log(data);
 });

// // will print
// var data = {
//   "name": "sample_input",
//   "results": {
//     "collection1": [
//      { "id": "1", Data: { "Karma": "329 points", "link": "https://abc.com" }},
//      { "id": "2", Data: { "Karma": "171 points", "link": "https://def.com" }},
//      { "id": "3", Data: { "Karma": "145 points", "link": "https://hij.com" }},
//      { "id": "4", Data: { "Karma": "49 points", "link": "https://klm.com"  }},
//      { "id": "5", Data: { "Karma": "129 points", "link": "https://nop.com" }}
//     ]
//   }
// };

####renameCollection(option)

Rename one collection.

#####Arguments

option (Object): The configuration of this transform. It should contain following properties:
- collection (String): The collection being named. Optional if current collection has been set previously via setCurrentCollection().
- newname (String): The new name to be used.
Note: if the collection being renamed is the current collection(i.e. via a previous call to setCurrentCollection()), then current collection will be renamed automatically.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1", "Karma": "329 points", "href": "https://abc.com" },
      { "ID": "2", "Karma": "171 points", "href": "https://def.com" },
      { "ID": "3", "Karma": "145 points", "href": "https://hij.com" },
      { "ID": "4", "Karma": "49 points", "href": "https://klm.com" },
      { "ID": "5", "Karma": "129 points", "href": "https://nop.com" }
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.renameCollection({
  newname: 'HackerNews'    
})
.output(function(data) {
  console.log(data);
 });

// // will print
// var data = {
//   "name": "sample_input",
//   "results": {
//     "HackerNews": [
//       { "ID": "1", "Karma": "329 points", "href": "https://abc.com" },
//       { "ID": "2", "Karma": "171 points", "href": "https://def.com" },
//       { "ID": "3", "Karma": "145 points", "href": "https://hij.com" },
//       { "ID": "4", "Karma": "49 points", "href": "https://klm.com" },
//       { "ID": "5", "Karma": "129 points", "href": "https://nop.com" }
//     ]
//   }
// };

####replace(option)

The replace method searches a string for a specified value, or a regular expression, and replace the matched pattern with the given string.

#####Arguments

option (Object): The configuration of this transform. It should contain following properties:
- collection (String): The collection being named. Optional if current collection has been set previously via setCurrentCollection().
- property (String): The property whose value is being searched and modified.
- from (String|RegExp): The value, or regular expression, that will be replaced by the new value.
- to (String): The value to replace the from with.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1", "Karma": "329 points", "href": "https://abc.com" },
      { "ID": "2", "Karma": "171 points", "href": "https://def.com" },
      { "ID": "3", "Karma": "145 points", "href": "https://hij.com" },
      { "ID": "4", "Karma": "49 points", "href": "https://klm.com" },
      { "ID": "5", "Karma": "129 points", "href": "https://nop.com" }
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.replace({
  property: 'href',
  from: 'https',
  to: 'http'
})
.output(function(data) {
  console.log(data);
 });

// // will print
// var data = {
//   "name": "sample_input",
//   "results": {
//     "HackerNews": [
//       { "ID": "1", "Karma": "329 points", "href": "http://abc.com" },
//       { "ID": "2", "Karma": "171 points", "href": "http://def.com" },
//       { "ID": "3", "Karma": "145 points", "href": "http://hij.com" },
//       { "ID": "4", "Karma": "49 points", "href": "http://klm.com" },
//       { "ID": "5", "Karma": "129 points", "href": "http://nop.com" }
//     ]
//   }
// };

####toInt(option)

Convert string to integer.

#####Arguments

option (Object): The configuration of this transform. It should contain following properties:
- collection (String): The collection being named. Optional if current collection has been set previously via setCurrentCollection().
- property (String): The property whose value is being converted.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1", "Karma": "329 points", "href": "https://abc.com" },
      { "ID": "2", "Karma": "171 points", "href": "https://def.com" },
      { "ID": "3", "Karma": "145 points", "href": "https://hij.com" },
      { "ID": "4", "Karma": "49 points", "href": "https://klm.com" },
      { "ID": "5", "Karma": "129 points", "href": "https://nop.com" }
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.toInt({
  property: 'ID'
})
.output(function(data) {
  console.log(data);
 });

// // will print
// var data = {
//   "name": "sample_input",
//   "results": {
//     "HackerNews": [
//       { "ID": 1, "Karma": "329 points", "href": "https://abc.com" },
//       { "ID": 2, "Karma": "171 points", "href": "https://def.com" },
//       { "ID": 3, "Karma": "145 points", "href": "https://hij.com" },
//       { "ID": 4, "Karma": "49 points", "href": "https://klm.com" },
//       { "ID": 5, "Karma": "129 points", "href": "https://nop.com" }
//     ]
//   }
// };

####toFloat(option)

Convert string to floating point number.

#####Arguments

option (Object): The configuration of this transform. It should contain following properties:
- collection (String): The collection being named. Optional if current collection has been set previously via setCurrentCollection().
- property (String): The property whose value is being converted.
- decimal (String): The number of digits to appear after the decimal point; this may be a value between 0 and 20, inclusive, and implementations may optionally support a larger range of values. If this argument is omitted, it is treated as 0.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1", "Karma": "329.21331", "href": "https://abc.com" },
      { "ID": "2", "Karma": "171.321", "href": "https://def.com" },
      { "ID": "3", "Karma": "145.943", "href": "https://hij.com" },
      { "ID": "4", "Karma": "49.123213", "href": "https://klm.com" },
      { "ID": "5", "Karma": "129.9", "href": "https://nop.com" }
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.toFloat({
  property: 'Karma',
  decimal: 3
})
.output(function(data) {
  console.log(data);
 });

// // will print
// var data = {
//   "name": "sample_input",
//   "results": {
//     "HackerNews": [
//       { "ID": "1", "Karma": 329.213, "href": "https://abc.com" },
//       { "ID": "2", "Karma": 171.321, "href": "https://def.com" },
//       { "ID": "3", "Karma": 145.943, "href": "https://hij.com" },
//       { "ID": "4", "Karma": 49.123, "href": "https://klm.com" },
//       { "ID": "5", "Karma": 129.900, "href": "https://nop.com" }
//     ]
//   }
// };

####custom(fn)

Apply user-defined transform functions.

#####Arguments

fn (Function): The user-defined transform function being applied. The results object will be passed to this function.

#####Returns

The this binding of the KimFilter object being applied.

#####Example

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1", "Karma": "329.21331", "href": "https://abc.com" },
      { "ID": "2", "Karma": "171.321", "href": "https://def.com" },
      { "ID": "3", "Karma": "145.943", "href": "https://hij.com" },
      { "ID": "4", "Karma": "49.123213", "href": "https://klm.com" },
      { "ID": "5", "Karma": "129.9", "href": "https://nop.com" }
    ]
  }
};

new KimFilter(data)
.custom(function(results) {
  var collection = 'HackerNews';
  results[collection].forEach(function(entry, idx, arr) {
    entry['timestamp'] = (new Date()).toUTCString();
  });
})
.output(function(data) {
  console.log(data);
 });

// // will print
// var data = {
//   "name": "sample_input",
//   "results": {
//     "HackerNews": [
//       { "ID": "1", "Karma": 329.213, "href": "https://abc.com", "timestamp": "Mon, 12, Jan 2015 3:14:15 GMT" },
//       { "ID": "2", "Karma": 171.321, "href": "https://def.com", "timestamp": "Mon, 12, Jan 2015 3:14:15 GMT" },
//       { "ID": "3", "Karma": 145.943, "href": "https://hij.com", "timestamp": "Mon, 12, Jan 2015 3:14:15 GMT" },
//       { "ID": "4", "Karma": 49.123, "href": "https://klm.com", "timestamp": "Mon, 12, Jan 2015 3:14:15 GMT" },
//       { "ID": "5", "Karma": 129.900, "href": "https://nop.com", "timestamp": "Mon, 12, Jan 2015 3:14:15 GMT" }
//     ]
//   }
// };

####Access/modify nested properties in JSON To access/modify properties that are nested in an object, dot notation can be used. For example, to sort collection based on 'karma' in ascending order, you can do this:

var data = {
  "name": "sample_input",
  "results": {
    "collection1": [
      { "ID": "1.", Data: { "Karma": 329, "href": "https://test.com" }},
      { "ID": "2.", Data: { "Karma": 171, "href": "https://test.com" }},
      { "ID": "3.", Data: { "Karma": 145, "href": "https://test.com" }}
    ]
  }
};

new KimFilter(data)
.setCurrentCollection("collection1")
.split({
  property: "Data.Karma",
  lowToHigh: 1
})
.output(function(data) {
  console.log(data);
 });

// will print
// var data = {
//   "name": "sample_input",
//   "results": {
//     "collection1": [
//       { "ID": "3.", Data: { "Karma": 145, "href": "https://test.com" }},
//       { "ID": "2.", Data: { "Karma": 171, "href": "https://test.com" }},
//       { "ID": "1.", Data: { "Karma": 329, "href": "https://test.com" }},
//     ]
//  }
// };

Name		Name	Last commit message	Last commit date
Latest commit History 99 Commits
advanced		advanced
default		default
test		test
.gitignore		.gitignore
README.md		README.md
filterfuncExamples.txt		filterfuncExamples.txt
index.js		index.js
package.json		package.json

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