robertoandrade/parse-erd-bookmarklet.js

## parse-erd-bookmarklet.js
if (!window.app || !window.schemas) {
	alert('It doesn\'t seem like you\'re logged in to the Parse Core Data Dashboard. Make sure to login first and then click this bookmarklet.');
} else {
	var $form =
		$(
		'<form method="post" action="http://erd-web-server.herokuapp.com/">' +
			'<textarea name="erdText"></textarea>' +
		'</form>'
		);

	var erText =
		'title {label: "' + app.attributes.name + ' - Parse Core Data ERD - ' + new Date() + '", font: "Helvetica bold", size: "20"}\n' +
		'entity {bgcolor: "#ececfc", font: "Helvetica"}\n';

	var erTextRelationships = '';

	schemas.each(function(entity) {
		erText += '\n[' + entity.id + ']\n';

		var columns = cols(entity.id);
		$(columns).each(function(i, col) {
			var isRelationship = col.type.match('(Relation|Pointer).*');
			var type = _.unescape(col.type);
			var isRequired = col.required;

			erText +=
				(i == 0 ? '*' : '') +
				(isRelationship ? '+' : '') +
				col.name + ' ' +
				'{label: "' +
					type + ', ' +
					(isRequired ? 'not ' : '') + 'null' +
				'"}\n'
				;

			if (isRelationship) {
				var relationship = type.match("(.*)<(.*)>");
				var relationshipType = relationship[1];
				var relatedType = relationship[2];
				var isPointer = relationshipType == 'Pointer';

				erTextRelationships +=
					entity.id + ' ' +
					(isPointer ? (isRequired ? '+' : '*') : (isRequired ? '1' : '?')) +
					'--' +
					(isPointer ? '1' : '+') +
					' ' + relatedType +
					'\n';
			}
		});
	});

	erText += '\n' + erTextRelationships;

	console.log('ER Code:', erText);

	$form.find('textarea').val(erText);
	$form.submit();
	console.log('Submitted data!');
}

function cols(className) {
	var keys = schemas.get(className).get("keys");

	return $(
		new DataBrowser.Views.DataBrowser({
				state: state.set({"className": className}),
				configBlob: configJson,
				isAdmin: false
			})
		.makeColumns()
		.splice(1)
	)
	.each(function(i, col) {
		col.required = keys[col.name].required || false;
	});
}

## sample-bookmarklet.html
<style type="text/css">
* { font-family: Helvetica, Arial };
body a.bookmarklet { font-weight: bold; font-size: 14pt; color: gray; }
p.footnote { font-size: 9pt; }
p.footnote a { color: gray; }
</style>

<body>
  <p class="footnote">
    Add the <a target="_blank" href="https://en.wikipedia.org/wiki/Bookmarklet">bookmarklet</a> below to your favorites,
    ie: drag the link to your favorites bar.
  </p>

  <a class="bookmarklet" href="javascript:(function(){
    _my_script=document.createElement('SCRIPT');
    /*_my_script.type='text/javascript';*/
    _my_script.src='https://rawgit.com/robertoandrade/e2afd308a5a60a360e2b/raw/parse-erd-bookmarklet.js?' + Math.random();
    document.getElementsByTagName('head')[0].appendChild(_my_script);
  })();">Parse ERD Bookmarklet</a>

  <p class="footnote">
    Use it to generate
    <a target="_blank" href="https://www.parse.com/questions/database-relations-diagram">Parse.com Core Data ERDs</a>
    by clicking the bookmarklet while logged in to the
    <a target="_blank" href="https://www.parse.com/apps/YOUR-APP-ID/collections">Parse Core Data Dashboard</a>.
  </p>
</body>
	if (!window.app \|\| !window.schemas) {
	alert('It doesn\'t seem like you\'re logged in to the Parse Core Data Dashboard. Make sure to login first and then click this bookmarklet.');
	} else {
	var $form =
	$(
	'<form method="post" action="http://erd-web-server.herokuapp.com/">' +
	'<textarea name="erdText"></textarea>' +
	'</form>'
	);

	var erText =
	'title {label: "' + app.attributes.name + ' - Parse Core Data ERD - ' + new Date() + '", font: "Helvetica bold", size: "20"}\n' +
	'entity {bgcolor: "#ececfc", font: "Helvetica"}\n';

	var erTextRelationships = '';

	schemas.each(function(entity) {
	erText += '\n[' + entity.id + ']\n';

	var columns = cols(entity.id);
	$(columns).each(function(i, col) {
	var isRelationship = col.type.match('(Relation\|Pointer).*');
	var type = _.unescape(col.type);
	var isRequired = col.required;

	erText +=
	(i == 0 ? '*' : '') +
	(isRelationship ? '+' : '') +
	col.name + ' ' +
	'{label: "' +
	type + ', ' +
	(isRequired ? 'not ' : '') + 'null' +
	'"}\n'
	;

	if (isRelationship) {
	var relationship = type.match("(.)<(.)>");
	var relationshipType = relationship[1];
	var relatedType = relationship[2];
	var isPointer = relationshipType == 'Pointer';

	erTextRelationships +=
	entity.id + ' ' +
	(isPointer ? (isRequired ? '+' : '*') : (isRequired ? '1' : '?')) +
	'--' +
	(isPointer ? '1' : '+') +
	' ' + relatedType +
	'\n';
	}
	});
	});

	erText += '\n' + erTextRelationships;

	console.log('ER Code:', erText);

	$form.find('textarea').val(erText);
	$form.submit();
	console.log('Submitted data!');
	}

	function cols(className) {
	var keys = schemas.get(className).get("keys");

	return $(
	new DataBrowser.Views.DataBrowser({
	state: state.set({"className": className}),
	configBlob: configJson,
	isAdmin: false
	})
	.makeColumns()
	.splice(1)
	)
	.each(function(i, col) {
	col.required = keys[col.name].required \|\| false;
	});
	}
	<style type="text/css">
	* { font-family: Helvetica, Arial };
	body a.bookmarklet { font-weight: bold; font-size: 14pt; color: gray; }
	p.footnote { font-size: 9pt; }
	p.footnote a { color: gray; }
	</style>

	<body>
	<p class="footnote">
	Add the <a target="_blank" href="https://en.wikipedia.org/wiki/Bookmarklet">bookmarklet</a> below to your favorites,
	ie: drag the link to your favorites bar.
	</p>

	<a class="bookmarklet" href="javascript:(function(){
	_my_script=document.createElement('SCRIPT');
	/_my_script.type='text/javascript';/
	_my_script.src='https://rawgit.com/robertoandrade/e2afd308a5a60a360e2b/raw/parse-erd-bookmarklet.js?' + Math.random();
	document.getElementsByTagName('head')[0].appendChild(_my_script);
	})();">Parse ERD Bookmarklet</a>

	<p class="footnote">
	Use it to generate
	<a target="_blank" href="https://www.parse.com/questions/database-relations-diagram">Parse.com Core Data ERDs</a>
	by clicking the bookmarklet while logged in to the
	<a target="_blank" href="https://www.parse.com/apps/YOUR-APP-ID/collections">Parse Core Data Dashboard</a>.
	</p>
	</body>