Current Dev State

static/js/ketcher2/node_modules/font-face-observer/README.md

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+# Font Face Observer (Modular)
+
+Font Face Observer is a small `@font-face` loader and monitor compatible with any web-font service. It will monitor when a web font is applied to the page and notify you. It does not limit you in any way in where, when, or how you load your web fonts. Unlike the [Web Font Loader](https://github.com/typekit/webfontloader) Font Face Observer uses scroll events to detect font loads efficiently and with minimum overhead.
+
+## How to use
+
+Include your `@font-face` rules as usual. Fonts can be supplied by either a font service such as [Google Fonts](http://www.google.com/fonts), [Typekit](http://typekit.com), and [Webtype](http://webtype.com) or be self-hosted. It doesn't matter where, when, or how you load your fonts. You can set up monitoring for a single font family at a time:
+
+```javascript
+var FontFaceObserver = require('font-face-observer');
+var observer = new FontFaceObserver('My Family', {
+  weight: 400
+});
+
+observer.check().then(function () {
+  console.log('Font is available');
+}, function () {
+  console.log('Font is not available');
+});
+```
+
+The `FontFaceObserver` constructor takes two (required) arguments: the font family name and an object describing the variation. The object can contain `weight`, `style`, `stretch`, `variant`, and `featureSettings` properties. If a property is not present it will default to `normal`. To start observing font loads, call the `check` method. It'll immediately return a new Promise that resolves when the font is available and rejected when the font is not available.
+
+If your font doesn't contain latin characters you can pass a custom test string to the `check` method.
+
+```javascript
+var FontFaceObserver = require('font-face-observer');
+var observer = new FontFaceObserver('My Family', {});
+
+observer.check('中国').then(function () {
+  console.log('Font is available');
+}, function () {
+  console.log('Font is not available');
+});
+```
+
+The default timeout for giving up on font loading is 3 seconds. You can increase or decrease this by passing a number of milliseconds as the second parameter to the `check` method.
+
+```javascript
+var FontFaceObserver = require('font-face-observer');
+var observer = new FontFaceObserver('My Family', {});
+
+observer.check(null, 5000).then(function () {
+  console.log('Font is available');
+}, function () {
+  console.log('Font is not available after waiting 5 seconds');
+});
+```
+
+## Browser support
+
+FontFaceObserver has been tested and works on the following browsers:
+
+* Chrome (desktop & Android)
+* Firefox
+* Opera
+* Safari (desktop & iOS)
+* IE9+
+* Android WebKit
+
+## License
+
+FontFaceObserver is licensed under the BSD License. Copyright 2014-2015 Bram Stein. All rights reserved.