FFNM/src/core.js
2020-07-04 17:24:45 +02:00

89 lines
3.1 KiB
JavaScript

document.addEventListener('DOMContentLoaded', () => {
//===
// VARIABLES
//===
const EVENTS = ['i-click', 'i-view', 'i-scroll-up', 'i-scroll-down', 'i-hover'];
const FUNCTION_TREE = {
'class': ['add', 'remove', 'toggle']
};
let elementsValidates = [];
//===
// FUNCTIONS
//===
/**
* Method that validates syntax and reports.
* return - Bool
*/
function validateSyntax() {
elementsValidates = [];
// Check all event syntax
return EVENTS.map((event) => {
// Check element FUNCTION_TREE
return [...document.querySelectorAll(`[${event}]`)].map((element) => {
// Check KEY FUNCTION_TREE
let checked = Object.keys(FUNCTION_TREE).map((key) => {
// Check METHODS FUNCTION_TREE
return FUNCTION_TREE[key].map((method) => {
return RegExp(`^${key}:${method}\\('\\w+', *'[#,.,a-zA-Z]\\w*'\\)$`).test(element.getAttribute(event));
}).some(method => method);
}).every(key => key);
if(checked) {
// Save element validate
elementsValidates.push(element);
} else {
// Notify error
console.error('FFNM: Bad syntax');
console.error(element);
}
return checked;
}).every(item => item);
}).every(event => event);
}
/**
* Method add events click
* return void
*/
function addEventClick() {
let eventClick = 'i-click';
return [...document.querySelectorAll(`[${eventClick}]`)].forEach((element) => {
let params = splitParams(element, eventClick);
switch(params.functionParent) {
case 'class':
switch(params.functionChild) {
case 'add':
[...document.querySelectorAll(params.target)].forEach((item) => item.classList.add(params.value));
break;
case 'remove':
[...document.querySelectorAll(params.target)].forEach((item) => item.classList.remove(params.value));
break;
case 'toggle':
[...document.querySelectorAll(params.target)].forEach((item) => item.classList.toggle(params.value));
break;
}
break;
}
};
}
/**
* Method return params
* return JSON - {'functionParent': '', 'functionChild': '', 'value': '', 'target': ''}
* example - i-click="class:add('show', '#menu')"
* return {'functionParent': 'class', 'functionChild': 'add', 'value': 'show', 'target': '#menu'}
*/
function splitParams(element, attribute) {
return {'functionParent': '', 'functionChild': '', 'value': '', 'target': ''};
}
//===
// INIT
//===
validateSyntax();
addEventClick();
});