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match-store

A simple JavaScript storage that puts values into arrays at a specified key and uses a matching function to retrieve them. Most suitable for event emitters when used with wildcard-match.

Installation

npm install --save match-store

Usage

let Store = require('match-store');

// Settings are optional
let store = new Store({
  prefix: '~', // key prefix for the internal storage to avoid clashes
  match: function areOfSameLength(a, b) { // this function is used to match the keys when retrieving values
    return a.length === b.length;
  }
});


store.put('one.two.three', 'foo');
store.put('four.five.six', 'bar', 1);
store.put('seven', 'baz');

store.get('thirteenchars'); // ['foo', 'bar'] because the matching function only checks the length
store.get('same---length'); // ['foo'] because 'bar' had a limit of 1 retrieval

API

put(key, value, [uses])

Saves the value to the internal storage at the specified key. The third parameter limits the number of times the value can be retrieved.

get(key)

Returns an array of values with matching keys. Uses the match function provided in the settings to match the keys. If no function is set, checks the keys for equality.

del(key, [value])

Removes values whose keys exactly match the provided one. If a value is provided, deletes only records that are equal to it.

License

MIT

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A JavaScript storage that uses a function to match keys when retrieving values

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