pell
Version:
pell - the simplest and smallest WYSIWYG text editor for web, with no dependencies
225 lines (204 loc) • 6.36 kB
JavaScript
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.pell = {})));
}(this, (function (exports) { 'use strict';
var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
var defaultParagraphSeparatorString = 'defaultParagraphSeparator';
var formatBlock = 'formatBlock';
var addEventListener = function addEventListener(parent, type, listener) {
return parent.addEventListener(type, listener);
};
var appendChild = function appendChild(parent, child) {
return parent.appendChild(child);
};
var createElement = function createElement(tag) {
return document.createElement(tag);
};
var queryCommandState = function queryCommandState(command) {
return document.queryCommandState(command);
};
var queryCommandValue = function queryCommandValue(command) {
return document.queryCommandValue(command);
};
var exec = function exec(command) {
var value = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
return document.execCommand(command, false, value);
};
var defaultActions = {
bold: {
icon: '<b>B</b>',
title: 'Bold',
state: function state() {
return queryCommandState('bold');
},
result: function result() {
return exec('bold');
}
},
italic: {
icon: '<i>I</i>',
title: 'Italic',
state: function state() {
return queryCommandState('italic');
},
result: function result() {
return exec('italic');
}
},
underline: {
icon: '<u>U</u>',
title: 'Underline',
state: function state() {
return queryCommandState('underline');
},
result: function result() {
return exec('underline');
}
},
strikethrough: {
icon: '<strike>S</strike>',
title: 'Strike-through',
state: function state() {
return queryCommandState('strikeThrough');
},
result: function result() {
return exec('strikeThrough');
}
},
heading1: {
icon: '<b>H<sub>1</sub></b>',
title: 'Heading 1',
result: function result() {
return exec(formatBlock, '<h1>');
}
},
heading2: {
icon: '<b>H<sub>2</sub></b>',
title: 'Heading 2',
result: function result() {
return exec(formatBlock, '<h2>');
}
},
paragraph: {
icon: '¶',
title: 'Paragraph',
result: function result() {
return exec(formatBlock, '<p>');
}
},
quote: {
icon: '“ ”',
title: 'Quote',
result: function result() {
return exec(formatBlock, '<blockquote>');
}
},
olist: {
icon: '#',
title: 'Ordered List',
result: function result() {
return exec('insertOrderedList');
}
},
ulist: {
icon: '•',
title: 'Unordered List',
result: function result() {
return exec('insertUnorderedList');
}
},
code: {
icon: '</>',
title: 'Code',
result: function result() {
return exec(formatBlock, '<pre>');
}
},
line: {
icon: '―',
title: 'Horizontal Line',
result: function result() {
return exec('insertHorizontalRule');
}
},
link: {
icon: '🔗',
title: 'Link',
result: function result() {
var url = window.prompt('Enter the link URL');
if (url) exec('createLink', url);
}
},
image: {
icon: '📷',
title: 'Image',
result: function result() {
var url = window.prompt('Enter the image URL');
if (url) exec('insertImage', url);
}
}
};
var defaultClasses = {
actionbar: 'pell-actionbar',
button: 'pell-button',
content: 'pell-content',
selected: 'pell-button-selected'
};
var init = function init(settings) {
var actions = settings.actions ? settings.actions.map(function (action) {
if (typeof action === 'string') return defaultActions[action];else if (defaultActions[action.name]) return _extends({}, defaultActions[action.name], action);
return action;
}) : Object.keys(defaultActions).map(function (action) {
return defaultActions[action];
});
var classes = _extends({}, defaultClasses, settings.classes);
var defaultParagraphSeparator = settings[defaultParagraphSeparatorString] || 'div';
var actionbar = createElement('div');
actionbar.className = classes.actionbar;
appendChild(settings.element, actionbar);
var content = settings.element.content = createElement('div');
content.contentEditable = true;
content.className = classes.content;
content.oninput = function (_ref) {
var firstChild = _ref.target.firstChild;
if (firstChild && firstChild.nodeType === 3) exec(formatBlock, '<' + defaultParagraphSeparator + '>');else if (content.innerHTML === '<br>') content.innerHTML = '';
settings.onChange(content.innerHTML);
};
content.onkeydown = function (event) {
if (event.key === 'Enter' && queryCommandValue(formatBlock) === 'blockquote') {
setTimeout(function () {
return exec(formatBlock, '<' + defaultParagraphSeparator + '>');
}, 0);
}
};
appendChild(settings.element, content);
actions.forEach(function (action) {
var button = createElement('button');
button.className = classes.button;
button.innerHTML = action.icon;
button.title = action.title;
button.setAttribute('type', 'button');
button.onclick = function () {
return action.result() && content.focus();
};
if (action.state) {
var handler = function handler() {
return button.classList[action.state() ? 'add' : 'remove'](classes.selected);
};
addEventListener(content, 'keyup', handler);
addEventListener(content, 'mouseup', handler);
addEventListener(button, 'click', handler);
}
appendChild(actionbar, button);
});
if (settings.styleWithCSS) exec('styleWithCSS');
exec(defaultParagraphSeparatorString, defaultParagraphSeparator);
return settings.element;
};
var pell = { exec: exec, init: init };
exports.exec = exec;
exports.init = init;
exports['default'] = pell;
Object.defineProperty(exports, '__esModule', { value: true });
})));