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83 lines
1.4 KiB
JavaScript
83 lines
1.4 KiB
JavaScript
/*
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* docuri: Rich document ids for CouchDB.
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*
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* Copyright (c) 2014 null2 GmbH Berlin
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* Licensed under the MIT license.
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*/
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// type/id/subtype/index/version
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var DEFINITION = ['type', 'id', 'subtype', 'index', 'version'];
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function docuri(definition) {
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if (definition) {
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DEFINITION = definition;
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return docuri;
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}
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return DEFINITION;
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}
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docuri.parts = function(obj) {
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if (typeof obj === 'string') {
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obj = docuri.parse(obj);
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}
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var parts = DEFINITION.map(function(part) {
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return obj[part];
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});
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while (parts.length && typeof parts[parts.length - 1] === 'undefined') {
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parts.pop();
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}
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return parts;
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};
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docuri.parse = function(str) {
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str = str || '';
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return str.split('/').reduce(function(obj, value, i) {
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if (value) {
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obj[DEFINITION[i]] = value;
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}
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return obj;
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}, {});
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};
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docuri.stringify = function(obj) {
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obj = obj || {};
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return docuri.parts(obj).join('/');
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};
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docuri.merge = function(obj, objToMerge) {
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objToMerge = objToMerge || {};
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if (typeof obj === 'string') {
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obj = docuri.parse(obj);
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}
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DEFINITION.forEach(function(part) {
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if (objToMerge[part]) {
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obj[part] = objToMerge[part];
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}
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});
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return docuri.stringify(obj);
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};
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docuri.arity = function(obj) {
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if (typeof obj === 'string') {
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obj = docuri.parse(obj);
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}
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return docuri.parts(obj).length;
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};
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module.exports = docuri;
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