36 lines
1.0 KiB
JavaScript
36 lines
1.0 KiB
JavaScript
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'use strict';
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var assert = require('assert');
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var utils = require('../utils');
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/**
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* Asynchronously iterate all keys.
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*
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* @param {Object} filter An optional filter object with the following
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* properties:
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* - `match` - glob string to use to filter returned keys, e.g. 'userid.*'
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* @param {Object} options
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*
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* @returns {AsyncIterator} An object implementing "next(cb) -> Promise"
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* function that can be used to iterate all keys.
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*
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* @header KVAO.iterateKeys(filter)
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*/
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module.exports = function keyValueIterateKeys(filter, options) {
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filter = filter || {};
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options = options || {};
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assert(typeof filter === 'object', 'filter must be an object');
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assert(typeof options === 'object', 'options must be an object');
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var iter = this.getConnector().iterateKeys(this.modelName, filter, options);
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// promisify the returned iterator
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return {
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next: function(callback) {
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callback = callback || utils.createPromiseCallback();
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iter.next(callback);
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return callback.promise;
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},
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};
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};
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