52 lines
1.7 KiB
JavaScript
52 lines
1.7 KiB
JavaScript
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/**
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* Interface for building an object by configuration
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*
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* @customNeeds - have an interface for building an object based on configuration
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*
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* @since 2.1.0
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* @category Object
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*
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* @param {Array} config - Keys with configuration
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* [
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* 'key/value' - "OR" if no value, set value after "/",
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* 'key|this.firstName + " " + this.lastName' - set value from the expression after "|" which is bind to the passed object,
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* 'key:new Date()' - set value from the expression after ":"
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* ]
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*
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* @returns {Function}
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*
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* @example
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*
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* var email = objectInterface(['body', 'count/1', 'sender|this.firstName + " " + this.lastName', 'isRead: false', 'created: new Date()'])
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* // => function
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*
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* email({body: 'Hello world!', count: '', firstName: 'Vasyl', lastName: 'Stokolosa', another: ''})
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* // => {body: "Hello world!", count: 1, created: Mon Jul 09 2018 10:31:08, isRead: false, sender: "Vasyl Stokolosa"}
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*/
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function objectInterface(config) {
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return function(obj) {
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var result = {};
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for (var i = 0; i < config.length; i++) {
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var OR, NEXT, REAL;
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if ((OR = config[i].split('/')) && OR[1]) {
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result[OR[0]] = obj[OR[0]] || Function('return ' + OR[1])();
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}
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else if ((NEXT = config[i].split('|')) && NEXT[1]) {
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result[NEXT[0]] = Function('return ' + NEXT[1]).call(obj);
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}
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else if ((REAL = config[i].split(':')) && REAL[1]) {
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result[REAL[0]] = Function('return ' + REAL[1])();
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}
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else {
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result[config[i]] = obj[config[i]];
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}
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}
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return result;
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}
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}
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module.exports = objectInterface;
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