upfront-editable/lib/util/string.js

Friendly contenteditable API

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.trimRight = trimRight;
exports.trimLeft = trimLeft;
exports.trim = trim;
exports.isString = isString;
exports.regexp = regexp;
exports.escapeHtml = escapeHtml;
exports.browserEscapeHtml = browserEscapeHtml;
var toString = Object.prototype.toString;
var htmlCharacters = {
  '&': '&',
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;',
  "'": '&#39;'

  // TODO: replace with lodash methods
};function trimRight(text) {
  return text.replace(/\s+$/, '');
}

function trimLeft(text) {
  return text.replace(/^\s+/, '');
}

function trim(text) {
  return text.replace(/^\s+|\s+$/g, '');
}

function isString(obj) {
  return toString.call(obj) === '[object String]';
}

/**
 * Turn any string into a regular expression.
 * This can be used to search or replace a string conveniently.
 */

function regexp(str, flags) {
  if (!flags) flags = 'g';
  var escapedStr = str.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
  return new RegExp(escapedStr, flags);
}

/**
 * Escape HTML characters <, > and &
 * Usage: escapeHtml('<div>')
 *
 * @param { String }
 * @param { Boolean } Optional. If true " and ' will also be escaped.
 * @return { String } Escaped Html you can assign to innerHTML of an element.
 */

// TODO: replace with npm.im/he

function escapeHtml(s, forAttribute) {
  return s.replace(forAttribute ? /[&<>'"]/g : /[&<>]/g, function (c) {
    // "'
    return htmlCharacters[c];
  });
}

/**
 * Escape a string the browser way.
 */

function browserEscapeHtml(str) {
  var div = document.createElement('div');
  div.appendChild(document.createTextNode(str));
  return div.innerHTML;
}