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setup.js
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setup.js
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"use strict";
var PouchDB = require("./constructor");
var utils = require('./utils');
PouchDB.adapters = {};
PouchDB.plugins = {};
PouchDB.prefix = '_pouch_';
PouchDB.parseAdapter = function (name) {
var match = name.match(/([a-z\-]*):\/\/(.*)/);
var adapter;
if (match) {
// the http adapter expects the fully qualified name
name = /http(s?)/.test(match[1]) ? match[1] + ':https://' + match[2] : match[2];
adapter = match[1];
if (!PouchDB.adapters[adapter].valid()) {
throw 'Invalid adapter';
}
return {name: name, adapter: match[1]};
}
var preferredAdapters = ['idb', 'leveldb', 'websql'];
for (var i = 0; i < preferredAdapters.length; ++i) {
if (preferredAdapters[i] in PouchDB.adapters) {
adapter = PouchDB.adapters[preferredAdapters[i]];
var use_prefix = 'use_prefix' in adapter ? adapter.use_prefix : true;
return {
name: use_prefix ? PouchDB.prefix + name : name,
adapter: preferredAdapters[i]
};
}
}
throw 'No valid adapter found';
};
PouchDB.destroy = utils.toPromise(function (name, opts, callback) {
if (typeof opts === 'function' || typeof opts === 'undefined') {
callback = opts;
opts = {};
}
if (typeof name === 'object') {
opts = name;
name = undefined;
}
var backend = PouchDB.parseAdapter(opts.name || name);
var dbName = backend.name;
// call destroy method of the particular adaptor
PouchDB.adapters[backend.adapter].destroy(dbName, opts, callback);
});
PouchDB.allDbs = utils.toPromise(function (callback) {
var err = new Error('allDbs method removed');
err.stats = '400';
callback(err);
});
PouchDB.adapter = function (id, obj) {
if (obj.valid()) {
PouchDB.adapters[id] = obj;
}
};
PouchDB.plugin = function (obj) {
Object.keys(obj).forEach(function (id) {
PouchDB.prototype[id] = obj[id];
});
};
module.exports = PouchDB;