react-markdown-editor-hybrid
Version:
A text editor component supporting Markdown and HTML using react-markdown.
312 lines (282 loc) • 11.7 kB
JavaScript
'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _react = require('react');
var _react2 = _interopRequireDefault(_react);
var _propTypes = require('prop-types');
var _propTypes2 = _interopRequireDefault(_propTypes);
var _reactMarkdown = require('react-markdown');
var _reactMarkdown2 = _interopRequireDefault(_reactMarkdown);
var _objectAssign = require('object-assign');
var _objectAssign2 = _interopRequireDefault(_objectAssign);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var MDEditor = function (_React$Component) {
_inherits(MDEditor, _React$Component);
function MDEditor(props) {
_classCallCheck(this, MDEditor);
var _this = _possibleConstructorReturn(this, (MDEditor.__proto__ || Object.getPrototypeOf(MDEditor)).call(this, props));
_this.setCaretPosition = function (caretPos) {
var textarea = _this.refs.text;
if (textarea !== null) {
if (textarea.createTextRange) {
var range = textarea.createTextRange();
range.move('character', caretPos);
range.select();
} else {
if (textarea.selectionStart) {
textarea.focus();
textarea.setSelectionRange(caretPos, caretPos);
} else {
textarea.focus();
}
}
}
};
_this.getSelection = function (value) {
var cursorIndexStart = _this.refs.text.selectionStart;
var cursorIndexEnd = _this.refs.text.selectionEnd;
var selection = value.substring(cursorIndexStart, cursorIndexEnd);
return {
cursorIndexStart: cursorIndexStart,
cursorIndexEnd: cursorIndexEnd,
selection: selection
};
};
_this.insertAtCursor = function (e, markdownLeftOrLR, right, _selection, markdownRight, cursorPosOffset) {
if (e) {
e.preventDefault();
}
var value = _this.props.value;
var selectionProps = _this.getSelection(value);
var cursorIndexStart = selectionProps.cursorIndexStart;
var cursorIndexEnd = selectionProps.cursorIndexEnd;
var selection = _selection ? _selection : selectionProps.selection;
value = value.substring(0, cursorIndexStart) + ('' + markdownLeftOrLR + (selection.length > 0 ? selection : '') + (right ? markdownRight ? markdownRight : markdownLeftOrLR : '')) + value.substring(cursorIndexEnd, value.length);
_this.props.onChange(value);
if (selection.length === 0) {
setTimeout(function () {
_this.setCaretPosition(cursorIndexStart + markdownRight ? cursorIndexEnd + cursorPosOffset : markdownLeftOrLR.length);
}, 0);
}
};
_this.handleList = function (e, ordered) {
e.preventDefault();
var list = _this.getSelection(_this.props.value).selection.split(/\r?\n/);
var newList = [];
for (var i = 0; i < list.length; i++) {
if (list[i].length > 0) {
newList.push((ordered ? i + 1 + '.' : '-') + ' ' + list[i]);
}
}
newList = newList.join('\n');
_this.insertAtCursor(null, '', false, newList);
};
_this.handleYoutube = function (e) {
e.preventDefault();
var url = prompt('Enter a YouTube URL.');
var videoId = url.match(/(?:https?:\/{2})?(?:w{3}\.)?youtu(?:be)?\.(?:com|be)(?:\/watch\?v=|\/)([^\s&]+)/);
if (videoId === null) {
return;
}
_this.insertAtCursor(null, '[](https://www.youtube.com/watch?v=' + videoId[1], true, null, ')', 4);
};
_this.handleTogglePreview = function (e) {
e.preventDefault();
_this.setState({ preview: !_this.state.preview });
};
_this.handleTextChange = function (e) {
_this.props.onChange(e.target.value);
};
_this.state = {
preview: false
};
return _this;
}
_createClass(MDEditor, [{
key: 'render',
value: function render() {
var _this2 = this;
var p = this.props;
var s = this.state;
var textAreaStyle = {
width: '100%',
outline: '0',
border: '1px solid #cccccc',
height: '500px',
padding: '4px 8px'
};
(0, _objectAssign2.default)(textAreaStyle, p.textAreaStyle);
var buttonStyle = {
outline: '0',
border: '1px solid #cccccc',
margin: '0px 2px',
padding: '4px 8px',
cursor: 'pointer',
justifyContent: 'center',
alignItems: 'center',
backgroundColor: '#FFF',
marginLeft: '4px',
lineHeight: '1'
};
(0, _objectAssign2.default)(buttonStyle, p.buttonStyle);
var buttonContainerStyle = {
marginLeft: '-4px',
marginBottom: '4px'
};
(0, _objectAssign2.default)(buttonContainerStyle, p.buttonContainerStyle);
return _react2.default.createElement(
'div',
null,
_react2.default.createElement(
'div',
{ style: buttonContainerStyle },
_react2.default.createElement(
'button',
{
disabled: this.state.preview,
style: buttonStyle,
onClick: function onClick(e) {
return _this2.insertAtCursor(e, '**', true);
} },
_react2.default.createElement('i', { className: 'fa fa-bold' })
),
_react2.default.createElement(
'button',
{
disabled: this.state.preview,
style: buttonStyle,
onClick: function onClick(e) {
return _this2.insertAtCursor(e, '_', true);
} },
_react2.default.createElement('i', { className: 'fa fa-italic' })
),
_react2.default.createElement(
'button',
{
disabled: this.state.preview,
style: buttonStyle,
onClick: function onClick(e) {
return _this2.insertAtCursor(e, '### ', false);
} },
_react2.default.createElement('i', { className: 'fa fa-header' })
),
_react2.default.createElement(
'button',
{
disabled: this.state.preview,
style: buttonStyle,
onClick: function onClick(e) {
return _this2.handleList(e, false);
} },
_react2.default.createElement('i', { className: 'fa fa-list' })
),
_react2.default.createElement(
'button',
{
disabled: this.state.preview,
style: buttonStyle,
onClick: function onClick(e) {
return _this2.handleList(e, true);
} },
_react2.default.createElement('i', { className: 'fa fa-list-ol' })
),
p.enableHTML ? _react2.default.createElement(
'button',
{
disabled: this.state.preview,
style: buttonStyle,
onClick: function onClick(e) {
return _this2.insertAtCursor(e, '<blockquote>', true, null, '</blockquote>', 12);
} },
_react2.default.createElement('i', { className: 'fa fa-quote-right' })
) : null,
_react2.default.createElement(
'button',
{
disabled: this.state.preview,
style: buttonStyle,
onClick: function onClick(e) {
return _this2.insertAtCursor(e, '```', true, null, '```', 3);
} },
_react2.default.createElement('i', { className: 'fa fa-code' })
),
_react2.default.createElement(
'button',
{
disabled: this.state.preview,
style: buttonStyle,
onClick: function onClick(e) {
return _this2.insertAtCursor(e, '[', true, null, ']()', 3);
} },
_react2.default.createElement('i', { className: 'fa fa-link' })
),
_react2.default.createElement(
'button',
{
disabled: this.state.preview,
style: buttonStyle,
onClick: function onClick(e) {
return _this2.insertAtCursor(e, '', 4);
} },
_react2.default.createElement('i', { className: 'fa fa-file-image-o' })
),
_react2.default.createElement(
'button',
{
disabled: this.state.preview,
style: buttonStyle,
onClick: this.handleYoutube },
_react2.default.createElement('i', { className: 'fa fa-youtube' })
),
_react2.default.createElement(
'button',
{
style: buttonStyle,
onClick: this.handleTogglePreview },
_react2.default.createElement('i', { className: 'fa fa-' + (s.preview ? 'pencil' : 'eye') }),
_react2.default.createElement(
'span',
{ style: { marginLeft: '6px' } },
s.preview ? 'Editor' : 'Preview'
)
)
),
_react2.default.createElement(
'div',
null,
s.preview ? _react2.default.createElement(_reactMarkdown2.default, {
source: p.value,
escapeHtml: !p.enableHTML }) : _react2.default.createElement('textarea', {
ref: 'text',
style: textAreaStyle,
value: p.value,
onChange: this.handleTextChange,
placeholder: 'Use Markdown ' + (p.enableHTML ? 'or HTML ' : '') + 'for formatting...' })
)
);
}
}]);
return MDEditor;
}(_react2.default.Component);
MDEditor.defaultProps = {
enableHTML: true,
textAreaStyle: {},
buttonStyle: {},
buttonContainerStyle: {}
};
MDEditor.propTypes = {
value: _propTypes2.default.string.isRequired,
enableHTML: _propTypes2.default.bool,
onChange: _propTypes2.default.func.isRequired,
textAreaStyle: _propTypes2.default.object,
buttonStyle: _propTypes2.default.object,
buttonContainerStyle: _propTypes2.default.object
};
;
window.MDEditor = MDEditor;
exports.default = MDEditor;