page-utils.js
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module.exports = new (function() {
/**
* Returns the properties object passed as an argument (or null if no arguments are passed).
* If the supplied properties argument is a function, it invokes that function with the page as its context.
*
* @method createProps
* @param {Page|Section} parent The page object or section instance
* @param {Object|Function} props Object or Function that returns an object
* @returns {null}
*/
this.createProps = function(parent, props) {
parent.props = typeof props === 'function' ? props.call(parent) : props;
return this;
};
/**
* Assigns the `elements` property for a page or section object.
* For each object in the passed array, it creates a new element object by instantiating Element with its options
*
* @param {Page|Section} parent The page object or section instance
* @param {Object|Array} elements Object or array of objects to become element objects
* @returns {null}
*/
this.createElements = function(parent, elements) {
var Element = require('./element.js');
var elementObjects = {};
var el;
if (!Array.isArray(elements)) {
elements = [elements];
}
elements.forEach(function(els) {
Object.keys(els).forEach(function(e) {
el = typeof els[e] === 'string' ? { selector: els[e] } : els[e];
el.parent = parent;
el.name = e;
elementObjects[el.name] = new Element(el);
});
});
parent.elements = elementObjects;
return this;
};
/**
* Assigns the `section` property for a page or section object.
* For each object in the passed array, it creates a new section object by instantiating Section with its options
*
* @param {Page|Section} parent The page object or section instance
* @param {Array} sections Array of objects to become section objects
* @returns {null}
*/
this.createSections = function(parent, sections) {
var Section = require('./section.js');
var sectionObjects = {};
var sec;
Object.keys(sections).forEach(function(s) {
sec = sections[s];
sec.parent = parent;
sec.name = s;
sectionObjects[sec.name] = new Section(sec);
});
parent.section = sectionObjects;
return this;
};
/**
* Mixes in the passed functions to the page or section object.
*
* @param {Page|Section} parent The page object or section instance
* @param {Object} command Array of commands that will be added to the age or section
* @returns {null}
*/
this.addCommands = function(parent, commands) {
commands.forEach(function(m) {
Object.keys(m).forEach(function(k) {
parent[k] = m[k];
});
});
return this;
};
})();