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ghost/core/shared/lib/showdown/extensions/ghostimagepreview.js
Hannah Wolfe 00ef9cfcb1 Custom showdown extensions should be linted
ref #4243

- Removing /lib/ from the list of things which aren't linted, as this is
  all custom code
- Fixing up the two files to pass linting, erring on the side of caution
  with disabling regexp rules vs fixing regexes!
2014-10-12 15:28:19 +02:00

56 lines
2.7 KiB
JavaScript

/* jshint node:true, browser:true */
/* global Ember */
// Ghost Image Preview
//
// Manages the conversion of image markdown `![]()` from markdown into the HTML image preview
// This provides a dropzone and other interface elements for adding images
// Is only used in the admin client.
var Ghost = Ghost || {};
(function () {
var ghostimagepreview = function () {
return [
// ![] image syntax
{
type: 'lang',
filter: function (text) {
var imageMarkdownRegex = /^(?:\{<(.*?)>\})?!(?:\[([^\n\]]*)\])(?:\(([^\n\]]*)\))?$/gim,
/* regex from isURL in node-validator. Yum! */
uriRegex = /^(?!mailto:)(?:(?:https?|ftp):\/\/)?(?:\S+(?::\S*)?@)?(?:(?:(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[0-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]+-?)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]+-?)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})))|localhost)(?::\d{2,5})?(?:\/[^\s]*)?$/i,
pathRegex = /^(\/)?([^\/\0]+(\/)?)+$/i;
return text.replace(imageMarkdownRegex, function (match, key, alt, src) {
var result = '',
output;
if (src && (src.match(uriRegex) || src.match(pathRegex))) {
result = '<img class="js-upload-target" src="' + src + '"/>';
}
if ((Ghost && Ghost.touchEditor) || (typeof window !== 'undefined' && Ember.touchEditor)) {
output = '<section class="image-uploader">' +
result + '<div class="description">Mobile uploads coming soon</div></section>';
} else {
output = '<section id="image_upload_' + key + '" class="js-drop-zone image-uploader">' +
result + '<div class="description">Add image of <strong>' + alt + '</strong></div>' +
'<input data-url="upload" class="js-fileupload main fileupload" type="file" name="uploadimage">' +
'</section>';
}
return output;
});
}
}
];
};
// Client-side export
if (typeof window !== 'undefined' && window.Showdown && window.Showdown.extensions) {
window.Showdown.extensions.ghostimagepreview = ghostimagepreview;
}
// Server-side export
if (typeof module !== 'undefined') {
module.exports = ghostimagepreview;
}
}());