7 Commits

Author SHA1 Message Date
e3e100c437 Update version 1.4.0 2020-08-03 17:03:02 +02:00
b9bb0d694b Optimize visible with observables 2020-08-03 17:02:50 +02:00
e02334b46e Order code 2020-08-03 16:43:12 +02:00
a6efdf85d4 Update README.md 2020-07-23 09:04:22 +02:00
b306334ca5 Update README.md 2020-07-22 20:27:42 +02:00
e8cbe46659 Remove old code 2020-07-22 20:27:10 +02:00
ea2e148395 Update README.md 2020-07-22 20:09:56 +02:00
10 changed files with 362 additions and 274 deletions

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@ -12,7 +12,7 @@
<article class="open"></article> <article class="open"></article>
``` ```
Simple utility to **avoid writing Javascript** when working with **classes**. It only takes up **3.2Kb**! Simple utility to **avoid writing Javascript** when working with **classes**. It only takes up **3.8Kb**!
- Simplifies the **click**. - Simplifies the **click**.
@ -40,7 +40,7 @@ Simple utility to **avoid writing Javascript** when working with **classes**. It
Add to your `<head>` the following tag. Add to your `<head>` the following tag.
```html ```html
<script src="https://cdn.jsdelivr.net/gh/tanrax/FFNM@v1.3.0/dist/ffnm.min.js"></script> <script src="https://cdn.jsdelivr.net/gh/tanrax/FFNM@1.4.0/dist/ffnm.min.js" integrity="sha384-WsAoFj8H5Jl3+nG7ON5XXiozrADpSLshx/XdN7xu2GUVkJEZB5C3AGrFtdi6tARh" crossorigin="anonymous"></script>
``` ```
### Examples ### Examples
@ -206,7 +206,7 @@ Add to your `<head>` the following tag.
Añade a tu `<head>` la siguiente etiqueta. Añade a tu `<head>` la siguiente etiqueta.
```html ```html
<script src="https://cdn.jsdelivr.net/gh/tanrax/FFNM@v1.3.0/dist/ffnm.min.js"></script> <script src="https://cdn.jsdelivr.net/gh/tanrax/FFNM@1.4.0/dist/ffnm.min.js" integrity="sha384-lAUBI0wOuUBOb4gGjqjeuJlFgrl1YixuQdG/OngLda/8+ZPThlN2xk+EJAkl7gEd" crossorigin="anonymous"></script>
``` ```
### Ejemplos de uso ### Ejemplos de uso
@ -307,6 +307,61 @@ Añade a tu `<head>` la siguiente etiqueta.
<button id="button">Hi</div> <button id="button">Hi</div>
``` ```
#### Visible
##### Añade la clase `ver` en el `div` cuando es visible.
```html
<div is-visible="class:add('ver')"></div>
```
##### Quita la clase `ver` en el `div` cuando es visible.
```html
<div is-visible="class:remove('ver')"></div>
```
##### Intercambia la clase `ver` cuando el `div` es visible.
```html
<div is-visible="class:toggle('ver')"></div>
```
##### Añade la clase `ver` en `#boton` cuando el `div` es visible.
```html
<div is-visible="class:toggle('ver', '#boton')"></div>
<button id="boton">Hi</div>
```
#### No visible
##### Añade la clase `ver` en el `div` cuando no es visible.
```html
<div is-not-visible="class:add('ver')"></div>
```
##### Quita la clase `ver` en el `div` cuando no es visible.
```html
<div is-not-visible="class:remove('ver')"></div>
```
##### Intercambia la clase `ver` cuando el `div` no es visible.
```html
<div is-not-visible="class:toggle('ver')"></div>
```
##### Añade la clase `ver` en `#boton` cuando el `div` no es visible.
```html
<div is-not-visible="class:toggle('ver', '#boton')"></div>
<button id="boton">Hi</div>
```
--- ---
## Development ## Development

2
dist/ffnm.min.js vendored
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@ -1,2 +1,2 @@
document.addEventListener("DOMContentLoaded",()=>{const e={class:["add","remove","toggle"]};let t=[],s=void 0;function i(e,t){let s=e.getAttribute(t),i=RegExp("^(\\w+):").exec(s)[1],c=RegExp(":(\\w+)\\(").exec(s)[1],a=RegExp("\\('(\\w[_-\\w0-9]+)',?").exec(s)[1],o=RegExp(", ?'([.#i\\w][_-\\w0-9]+)'\\)");return{functionParent:i,functionChild:c,value:a,target:null!==o.exec(s)?o.exec(s)[1]:void 0}}function c(e){return[...t].filter(t=>t.hasAttribute(e))}function a(e){let t=e.getBoundingClientRect();return t.top>=0&&t.left>=0&&t.bottom<=(window.innerHeight||document.documentElement.clientHeight)&&t.right<=(window.innerWidth||document.documentElement.clientWidth)}t=[],["is-click","is-scroll-up","is-scroll-down","is-hover","is-view","is-visible","is-not-visible"].map(s=>[...document.querySelectorAll(`[${s}]`)].map(i=>{let c=Object.keys(e).map(t=>e[t].map(e=>RegExp(`^${t}:${e}\\('.+'(, ?'[.#i\\w][_-\\w0-9]+')?\\)$`).test(i.getAttribute(s))).some(e=>e)).every(e=>e);return c?t.push(i):(console.error("FFNM: Bad syntax"),console.error(i)),c}).every(e=>e)).every(e=>e),c("is-click").forEach(e=>{let t=i(e,"is-click");switch(t.functionParent){case"class":[...document.querySelectorAll(t.target)].concat(void 0===t.target?e:void 0).forEach(s=>{void 0!==s&&e.addEventListener("click",()=>{switch(t.functionChild){case"add":s.classList.add(t.value);break;case"remove":s.classList.remove(t.value);break;case"toggle":s.classList.toggle(t.value)}})})}}),function(){let e=c("is-scroll-down"),t=c("is-scroll-up");window.addEventListener("scroll",()=>{let c=window.pageYOffset||document.documentElement.scrollTop;e.forEach(e=>{if(c>s){let t=i(e,"is-scroll-down");switch(t.functionParent){case"class":switch(t.functionChild){case"add":e.classList.add(t.value);break;case"remove":e.classList.remove(t.value)}}}}),t.forEach(e=>{if(c<=s){let t=i(e,"is-scroll-up");switch(t.functionParent){case"class":switch(t.functionChild){case"add":e.classList.add(t.value);break;case"remove":e.classList.remove(t.value)}}}}),s=c<=0?0:c},!1)}(),c("is-hover").forEach(e=>{let t=i(e,"is-hover");switch(t.functionParent){case"class":[...document.querySelectorAll(t.target)].concat(void 0===t.target?e:void 0).forEach(s=>{if(void 0!==s)switch(t.functionChild){case"add":e.addEventListener("mouseenter",()=>{s.classList.add(t.value)}),e.addEventListener("mouseout",()=>{s.classList.remove(t.value)});break;case"remove":e.addEventListener("mouseenter",()=>{s.classList.remove(t.value)}),e.addEventListener("mouseout",()=>{s.classList.add(t.value)});break;case"toggle":e.addEventListener("mouseenter",()=>{s.classList.toggle(t.value)}),e.addEventListener("mouseout",()=>{s.classList.toggle(t.value)})}})}}),function(){let e=c("is-visible"),t=c("is-not-visible");window.addEventListener("scroll",()=>{e.forEach(e=>{if(a(e)){let t=i(e,"is-visible");switch(t.functionParent){case"class":switch(t.functionChild){case"add":e.classList.add(t.value);break;case"remove":e.classList.remove(t.value)}}}}),t.forEach(e=>{if(!a(e)){let t=i(e,"is-not-visible");switch(t.functionParent){case"class":switch(t.functionChild){case"add":e.classList.add(t.value),console.log("date");break;case"remove":e.classList.remove(t.value)}}}})},!1)}()}); const EVENTS=["is-click","is-scroll-up","is-scroll-down","is-hover","is-visible","is-not-visible"],FUNCTION_TREE={class:["add","remove","toggle"]};let elementsValidates=[],lastScrollTop=void 0;function validateSyntax(){return elementsValidates=[],EVENTS.map(e=>[...document.querySelectorAll(`[${e}]`)].map(t=>{let s=Object.keys(FUNCTION_TREE).map(s=>FUNCTION_TREE[s].map(a=>RegExp(`^${s}:${a}\\('.+'(, ?'[.#i\\w][_-\\w0-9]+')?\\)$`).test(t.getAttribute(e))).some(e=>e)).every(e=>e);return s?elementsValidates.push(t):(console.error("FFNM: Bad syntax"),console.error(t)),s}).every(e=>e)).every(e=>e)}function splitParams(e,t){let s=e.getAttribute(t),a=RegExp("^(\\w+):").exec(s)[1],l=RegExp(":(\\w+)\\(").exec(s)[1],i=RegExp("\\('(\\w[_-\\w0-9]+)',?").exec(s)[1],n=RegExp(", ?'([.#i\\w][_-\\w0-9]+)'\\)");return{functionParent:a,functionChild:l,value:i,target:null!==n.exec(s)?n.exec(s)[1]:void 0}}function getElementsValidatesByEvent(e){return[...elementsValidates].filter(t=>t.hasAttribute(e))}function addEventClick(){return getElementsValidatesByEvent("is-click").forEach(e=>{let t=splitParams(e,"is-click");switch(t.functionParent){case"class":[...document.querySelectorAll(t.target)].concat(void 0===t.target?e:void 0).forEach(s=>{void 0!==s&&e.addEventListener("click",()=>{switch(t.functionChild){case"add":s.classList.add(t.value);break;case"remove":s.classList.remove(t.value);break;case"toggle":s.classList.toggle(t.value)}})})}})}function addEventScroll(){let e=getElementsValidatesByEvent("is-scroll-down"),t=getElementsValidatesByEvent("is-scroll-up");window.addEventListener("scroll",()=>{let s=window.pageYOffset||document.documentElement.scrollTop;e.forEach(e=>{if(s>lastScrollTop){let t=splitParams(e,"is-scroll-down");switch(t.functionParent){case"class":switch(t.functionChild){case"add":e.classList.add(t.value);break;case"remove":e.classList.remove(t.value)}}}}),t.forEach(e=>{if(s<=lastScrollTop){let t=splitParams(e,"is-scroll-up");switch(t.functionParent){case"class":switch(t.functionChild){case"add":e.classList.add(t.value);break;case"remove":e.classList.remove(t.value)}}}}),lastScrollTop=s<=0?0:s},!1)}function addEventHover(){return getElementsValidatesByEvent("is-hover").forEach(e=>{let t=splitParams(e,"is-hover");switch(t.functionParent){case"class":[...document.querySelectorAll(t.target)].concat(void 0===t.target?e:void 0).forEach(s=>{if(void 0!==s)switch(t.functionChild){case"add":e.addEventListener("mouseenter",()=>{s.classList.add(t.value)}),e.addEventListener("mouseout",()=>{s.classList.remove(t.value)});break;case"remove":e.addEventListener("mouseenter",()=>{s.classList.remove(t.value)}),e.addEventListener("mouseout",()=>{s.classList.add(t.value)});break;case"toggle":e.addEventListener("mouseenter",()=>{s.classList.toggle(t.value)}),e.addEventListener("mouseout",()=>{s.classList.toggle(t.value)})}})}})}function addEventVisible(){let e=getElementsValidatesByEvent("is-visible"),t=getElementsValidatesByEvent("is-not-visible");const s=new IntersectionObserver(e=>{e.forEach(e=>{let t=e.target;if(e.isIntersecting){let e=splitParams(t,"is-visible");switch(e.functionParent){case"class":switch(e.functionChild){case"add":t.classList.add(e.value);break;case"remove":t.classList.remove(e.value)}}}})});e.forEach(e=>{s.observe(e)});const a=new IntersectionObserver(e=>{e.forEach(e=>{let t=e.target;if(!e.isIntersecting){let e=splitParams(t,"is-not-visible");switch(e.functionParent){case"class":switch(e.functionChild){case"add":t.classList.add(e.value);break;case"remove":t.classList.remove(e.value)}}}})});t.forEach(e=>{a.observe(e)})}document.addEventListener("DOMContentLoaded",()=>{validateSyntax(),addEventClick(),addEventScroll(),addEventHover(),addEventVisible()});
//# sourceMappingURL=ffnm.min.js.map //# sourceMappingURL=ffnm.min.js.map

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@ -19,7 +19,15 @@ const DIST_JS = 'ffnm.min.js';
// JS concat + sourcemaps + babel + min // JS concat + sourcemaps + babel + min
function js(cb) { function js(cb) {
return src([SRC_PATH + 'core.js']) return src([
SRC_PATH + 'globals.js',
SRC_PATH + 'syntax.js',
SRC_PATH + 'events/click.js',
SRC_PATH + 'events/scroll.js',
SRC_PATH + 'events/hover.js',
SRC_PATH + 'events/visible.js',
SRC_PATH + 'core.js'
])
.pipe(sourcemaps.init()) .pipe(sourcemaps.init())
.pipe(concat(DIST_JS)) .pipe(concat(DIST_JS))
.pipe(uglify()) .pipe(uglify())
@ -37,7 +45,7 @@ const build = series(js);
// gulp dev // gulp dev
exports.dev = function () { exports.dev = function () {
build(); build();
watch(SRC_PATH + '*.js', js); watch(SRC_PATH + '**/*.js', js);
} }
// gulp // gulp

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@ -1,279 +1,15 @@
document.addEventListener('DOMContentLoaded', () => { document.addEventListener('DOMContentLoaded', () => {
//===
// VARIABLES
//===
const EVENTS = ['is-click', 'is-scroll-up', 'is-scroll-down', 'is-hover', 'is-view', 'is-visible', 'is-not-visible'];
const FUNCTION_TREE = {
'class': ['add', 'remove', 'toggle']
};
let elementsValidates = [];
let lastScrollTop = undefined;
//===
// 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}:${method}\\('.+'(, ?'[.#i\\w][_-\\w0-9]+')?\\)$`).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 return params
* return JSON - {'functionParent': '', 'functionChild': '', 'value': '', 'target': ''}
* example - is-click="class:add('show', '#menu')"
* return {'functionParent': 'class', 'functionChild': 'add', 'value': 'show', 'target': '#menu'}
*/
function splitParams(element, attribute) {
let params = element.getAttribute(attribute);
let functionParent = RegExp("^(\\w+):").exec(params)[1];
let functionChild = RegExp(":(\\w+)\\(").exec(params)[1];
let value = RegExp("\\(\'(\\w[_-\\w0-9]+)\',?").exec(params)[1];
let resultTarget = RegExp(", ?\'([.#i\\w][_-\\w0-9]+)\'\\)");
let target = resultTarget.exec(params) !== null ? resultTarget.exec(params)[1] : undefined;
return {'functionParent': functionParent, 'functionChild': functionChild, 'value': value, 'target': target};
}
/**
* Method that returns all validated elements filtered by an event
* return Array
*/
function getElementsValidatesByEvent(nameEvent) {
return [...elementsValidates].filter(element => {
return element.hasAttribute(nameEvent);
});
}
/**
* Method add events is-click
* return void
*/
function addEventClick() {
let eventClick = 'is-click';
return getElementsValidatesByEvent(eventClick).forEach((element) => {
let params = splitParams(element, eventClick);
switch(params.functionParent) {
case 'class':
[...document.querySelectorAll(params.target)].concat(params.target === undefined ? element : undefined).forEach((item) => {
if (item !== undefined) {
element.addEventListener('click', () => {
switch(params.functionChild) {
case 'add':
item.classList.add(params.value);
break;
case 'remove':
item.classList.remove(params.value);
break;
case 'toggle':
item.classList.toggle(params.value);
break;
}
});
}
});
break;
}
});
}
/**
* Method add events is-scroll
* return void
*/
function addEventScroll() {
let eventScrollDown = 'is-scroll-down';
let eventScrollUp = 'is-scroll-up';
let elementsDown = getElementsValidatesByEvent(eventScrollDown);
let elementsUp = getElementsValidatesByEvent(eventScrollUp);
window.addEventListener("scroll", () => {
let posScroll = window.pageYOffset || document.documentElement.scrollTop;
// Scroll down
elementsDown.forEach((element) => {
if (posScroll > lastScrollTop) {
let params = splitParams(element, eventScrollDown);
switch(params.functionParent) {
case 'class':
switch(params.functionChild) {
case 'add':
element.classList.add(params.value);
break;
case 'remove':
element.classList.remove(params.value);
break;
}
break;
}
}
});
// Scroll up
elementsUp.forEach((element) => {
if (posScroll <= lastScrollTop) {
let params = splitParams(element, eventScrollUp);
switch(params.functionParent) {
case 'class':
switch(params.functionChild) {
case 'add':
element.classList.add(params.value);
break;
case 'remove':
element.classList.remove(params.value);
break;
}
break;
}
}
});
lastScrollTop = posScroll <= 0 ? 0 : posScroll; // For Mobile or negative scrolling
}, false);
}
/**
* Method add events is-hover
* return void
*/
function addEventHover() {
let eventHover = 'is-hover';
return getElementsValidatesByEvent(eventHover).forEach((element) => {
let params = splitParams(element, eventHover);
switch(params.functionParent) {
case 'class':
[...document.querySelectorAll(params.target)].concat(params.target === undefined ? element : undefined).forEach((item) => {
if (item !== undefined) {
// Enter
switch(params.functionChild) {
case 'add':
// Enter
element.addEventListener('mouseenter', () => {
item.classList.add(params.value);
});
// Out
element.addEventListener('mouseout', () => {
item.classList.remove(params.value);
});
break;
case 'remove':
// Enter
element.addEventListener('mouseenter', () => {
item.classList.remove(params.value);
});
// Out
element.addEventListener('mouseout', () => {
item.classList.add(params.value);
});
break;
case 'toggle':
// Enter
element.addEventListener('mouseenter', () => {
item.classList.toggle(params.value);
});
// Out
element.addEventListener('mouseout', () => {
item.classList.toggle(params.value);
});
break;
}
}
});
break;
}
});
}
/**
* Method that checks if an element is visible in the viewport
* return bool
*/
function isInViewport (element) {
let distance = element.getBoundingClientRect();
return distance.top >= 0 &&
distance.left >= 0 &&
distance.bottom <= (window.innerHeight || document.documentElement.clientHeight) &&
distance.right <= (window.innerWidth || document.documentElement.clientWidth);
};
/**
* Method that manages the events is-visible and is-not-visible
* return void
*/
function addEventVisible() {
let eventVisible = 'is-visible';
let eventNotVisible = 'is-not-visible';
let elementsVisibles = getElementsValidatesByEvent(eventVisible);
let elementsNotVisibles = getElementsValidatesByEvent(eventNotVisible);
window.addEventListener("scroll", () => {
// Visible
elementsVisibles.forEach((element) => {
if (isInViewport(element)) {
let params = splitParams(element, eventVisible);
switch(params.functionParent) {
case 'class':
switch(params.functionChild) {
case 'add':
element.classList.add(params.value);
break;
case 'remove':
element.classList.remove(params.value);
break;
}
break;
}
}
});
// Not visible
elementsNotVisibles.forEach((element) => {
if (!isInViewport(element)) {
let params = splitParams(element, eventNotVisible);
switch(params.functionParent) {
case 'class':
switch(params.functionChild) {
case 'add':
element.classList.add(params.value);
console.log('date')
break;
case 'remove':
element.classList.remove(params.value);
break;
}
break;
}
}
});
}, false);
}
//=== //===
// INIT // INIT
//=== //===
// Syntax
validateSyntax(); validateSyntax();
// Events
addEventClick(); addEventClick();
addEventScroll(); addEventScroll();
addEventHover(); addEventHover();
addEventVisible(); addEventVisible();
}); });

36
src/events/click.js Normal file
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@ -0,0 +1,36 @@
//===
// FUNCTIONS
//===
/**
* Method add events is-click
* return void
*/
function addEventClick() {
let eventClick = 'is-click';
return getElementsValidatesByEvent(eventClick).forEach((element) => {
let params = splitParams(element, eventClick);
switch(params.functionParent) {
case 'class':
[...document.querySelectorAll(params.target)].concat(params.target === undefined ? element : undefined).forEach((item) => {
if (item !== undefined) {
element.addEventListener('click', () => {
switch(params.functionChild) {
case 'add':
item.classList.add(params.value);
break;
case 'remove':
item.classList.remove(params.value);
break;
case 'toggle':
item.classList.toggle(params.value);
break;
}
});
}
});
break;
}
});
}

57
src/events/hover.js Normal file
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@ -0,0 +1,57 @@
//===
// FUNCTIONS
//===
/**
* Method add events is-hover
* return void
*/
function addEventHover() {
let eventHover = 'is-hover';
return getElementsValidatesByEvent(eventHover).forEach((element) => {
let params = splitParams(element, eventHover);
switch(params.functionParent) {
case 'class':
[...document.querySelectorAll(params.target)].concat(params.target === undefined ? element : undefined).forEach((item) => {
if (item !== undefined) {
// Enter
switch(params.functionChild) {
case 'add':
// Enter
element.addEventListener('mouseenter', () => {
item.classList.add(params.value);
});
// Out
element.addEventListener('mouseout', () => {
item.classList.remove(params.value);
});
break;
case 'remove':
// Enter
element.addEventListener('mouseenter', () => {
item.classList.remove(params.value);
});
// Out
element.addEventListener('mouseout', () => {
item.classList.add(params.value);
});
break;
case 'toggle':
// Enter
element.addEventListener('mouseenter', () => {
item.classList.toggle(params.value);
});
// Out
element.addEventListener('mouseout', () => {
item.classList.toggle(params.value);
});
break;
}
}
});
break;
}
});
}

56
src/events/scroll.js Normal file
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@ -0,0 +1,56 @@
//===
// FUNCTIONS
//===
/**
* Method add events is-scroll
* return void
*/
function addEventScroll() {
let eventScrollDown = 'is-scroll-down';
let eventScrollUp = 'is-scroll-up';
let elementsDown = getElementsValidatesByEvent(eventScrollDown);
let elementsUp = getElementsValidatesByEvent(eventScrollUp);
window.addEventListener("scroll", () => {
let posScroll = window.pageYOffset || document.documentElement.scrollTop;
// Scroll down
elementsDown.forEach((element) => {
if (posScroll > lastScrollTop) {
let params = splitParams(element, eventScrollDown);
switch(params.functionParent) {
case 'class':
switch(params.functionChild) {
case 'add':
element.classList.add(params.value);
break;
case 'remove':
element.classList.remove(params.value);
break;
}
break;
}
}
});
// Scroll up
elementsUp.forEach((element) => {
if (posScroll <= lastScrollTop) {
let params = splitParams(element, eventScrollUp);
switch(params.functionParent) {
case 'class':
switch(params.functionChild) {
case 'add':
element.classList.add(params.value);
break;
case 'remove':
element.classList.remove(params.value);
break;
}
break;
}
}
});
lastScrollTop = posScroll <= 0 ? 0 : posScroll; // For Mobile or negative scrolling
}, false);
}

69
src/events/visible.js Normal file
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@ -0,0 +1,69 @@
//===
// FUNCTIONS
//===
/**
* Method that manages the events is-visible and is-not-visible
* return void
*/
function addEventVisible() {
let eventVisible = 'is-visible';
let eventNotVisible = 'is-not-visible';
let elementsVisibles = getElementsValidatesByEvent(eventVisible);
let elementsNotVisibles = getElementsValidatesByEvent(eventNotVisible);
// Visible
const onIntersectionVisible = (entries) => {
entries.forEach((entry) => {
let element = entry.target;
if (entry.isIntersecting) {
let params = splitParams(element, eventVisible);
switch(params.functionParent) {
case 'class':
switch(params.functionChild) {
case 'add':
element.classList.add(params.value);
break;
case 'remove':
element.classList.remove(params.value);
break;
}
break;
}
}
});
};
const observerVisible = new IntersectionObserver(onIntersectionVisible);
elementsVisibles.forEach((element) => {
observerVisible.observe(element);
});
// Not visible
const onIntersectionNotVisible = (entries) => {
entries.forEach((entry) => {
let element = entry.target;
if (!entry.isIntersecting) {
let params = splitParams(element, eventNotVisible);
switch(params.functionParent) {
case 'class':
switch(params.functionChild) {
case 'add':
element.classList.add(params.value);
break;
case 'remove':
element.classList.remove(params.value);
break;
}
break;
}
}
});
};
const observerNotVisible = new IntersectionObserver(onIntersectionNotVisible);
elementsNotVisibles.forEach((element) => {
observerNotVisible.observe(element);
});
}

10
src/globals.js Normal file
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//===
// VARIABLES
//===
const EVENTS = ['is-click', 'is-scroll-up', 'is-scroll-down', 'is-hover', 'is-visible', 'is-not-visible'];
const FUNCTION_TREE = {
'class': ['add', 'remove', 'toggle']
};
let elementsValidates = [];
let lastScrollTop = undefined;

61
src/syntax.js Normal file
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//===
// 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}:${method}\\('.+'(, ?'[.#i\\w][_-\\w0-9]+')?\\)$`).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 return params
* return JSON - {'functionParent': '', 'functionChild': '', 'value': '', 'target': ''}
* example - is-click="class:add('show', '#menu')"
* return {'functionParent': 'class', 'functionChild': 'add', 'value': 'show', 'target': '#menu'}
*/
function splitParams(element, attribute) {
let params = element.getAttribute(attribute);
let functionParent = RegExp("^(\\w+):").exec(params)[1];
let functionChild = RegExp(":(\\w+)\\(").exec(params)[1];
let value = RegExp("\\(\'(\\w[_-\\w0-9]+)\',?").exec(params)[1];
let resultTarget = RegExp(", ?\'([.#i\\w][_-\\w0-9]+)\'\\)");
let target = resultTarget.exec(params) !== null ? resultTarget.exec(params)[1] : undefined;
return {'functionParent': functionParent, 'functionChild': functionChild, 'value': value, 'target': target};
}
/**
* Method that returns all validated elements filtered by an event
* return Array
*/
function getElementsValidatesByEvent(nameEvent) {
return [...elementsValidates].filter(element => {
return element.hasAttribute(nameEvent);
});
}