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浏览器的 K/V 存储引擎 StorkJS

StorkJS 是一个在浏览器上实现的建议 Key-Value 存储引擎。

API

  • then(callback): Start a chain of asynchronous calls

  • get(key, [success], [failure]): Return a single value if it exists

  • getMany(keys, [success], [failure]): Return several values at once

  • save(record, [success], [failure]): Save a record, generating a key if one doesn’t exist

  • batch(records, [success], [failure]): Save multuple records at once

  • put(key, value, [success], [failure]): Save a key-value pair

  • remove(key, [success], [failure]): Removes a value/record based on their key

  • removeMany(keys, [success], [failure]): Removes several values/records at once

  • destroy([success], [failure]): Remove all key-values/records

  • reload([success], [failure]): Load all records into cache

  • each(callback, [failure]): Invokes the callback for all key-value pairs

  • all([success], [failure]): Returns all keys and values to the callback

  • size([success], [failure]): Returns the number of key-value pairs to the callback

可通过插件添加的功能

  • where(condition, [success], [failure]): Returns a subset of all key-value pairs that match some condition

  • select(columns, [success], [failure]): Returns an array of specified properties

  • sort(comparator, [success], [failure]): Sorts keys and values and returns the sorted value

  • aggregate(property, accumulate, getResult, [success], [failure]): Performs an aggregation on a property

  • count(property, [success], [failure]): Returns the number of objects with a property

  • sum(property, [success], [failure]): Returns the sum of a property on object values

  • avg(property, [success], [failure]): Returns the average of a property on object values

  • min(property, [success], [failure]): Returns the minimum value of a property on object values

  • max(property, [success], [failure]): Returns the maximum value of a property on object values

示例代码:

var db = new Stork( {name: 'settings'} );
db.put( 'meow', 'string key' );
db.put( 23, 'number key' );
db.put( true, 'boolean key' );
db.put( {y:5}, 'object key' );
db.put( [1,3], 'array key' );
// Remove one
db.remove( [1,3] );
// Retrieve one key-value pair
db.get( {y:5}, function(value, key)
{
  // value == 'object key'
});
// Retrieve all key-value pairs
db.all(function(values, keys)
{
  // values = array of all values, keys = array of corresponding keys
});

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