Fire a custom event whenever an element matching a specified selector is added.
<img src="https://react-virtualized-auto-sizer.vercel.app/og.png" alt="react-virtualized-auto-sizer logo" width="400" height="210" />
Observe the Rect of a DOM element.
Detect when an element is becoming visible or hidden on the page.
Observe CSS property changes on any elements
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The PositionObserver interface provides an asynchronous way to observe changes in the position, size, and intersection state of elements relative to their containing root element.
Expo module that dispatches collected app metrics to EAS Observe
A polyfill for the Resize Observer API
Detect when an element is becoming visible or hidden on the page.
wheel gestures and momentum detection
Synthetic Shadow Root for LWC
A React hook that allows you to use a ResizeObserver to measure an element's size.
Adds observable method to localForage.
a CSS selector compiler/engine
A CSS parser, transformer, and minifier written in Rust
Detect when an element is becoming visible or hidden on the page.
Convert an observable to a callbag listenable source
Observe image loading for BetterScroll
PostCSS plugin for CSS Modules to pass arbitrary values between your module files
Open Web data by the Mozilla Developer Network
Observer the size of an element over time
Algorithms to help you parse CSS from an array of tokens.
Dynamic recalculating container's size for BetterScroll
Glimmer is a Ruby DSL Framework for Ruby GUI and More, consisting of a DSL Engine and a Data-Binding Library (including Observer Design Pattern, Observable Model, Observable Array, and Observable Hash). Used in Glimmer DSL for SWT (JRuby Desktop Development GUI Framework), Glimmer DSL for Web (Ruby in the Browser Web Frontend Framework and Winner of Fukuoka Prefecture Future IT Initiative 2025 Money Forward Award), Glimmer DSL for LibUI (Prerequisite-Free Ruby Desktop Development GUI Library and Winner of Fukuoka Ruby Award Competition 2022 Special Award), Glimmer DSL for Tk (Ruby Tk Desktop Development GUI Library), Glimmer DSL for GTK (Ruby-GNOME Desktop Development GUI Library), Glimmer DSL for FX (FOX Toolkit Ruby Desktop Development GUI Library), Glimmer DSL for WX (wxWidgets Ruby Desktop Development GUI Library), Glimmer DSL for Swing (JRuby Swing Desktop Development GUI Library), Glimmer DSL for JFX (JRuby JavaFX Desktop Development GUI Library), Glimmer DSL for XML (& HTML), and Glimmer DSL for CSS.
<p>Sass or the much better approach of scss is really helpful and a big silver bullet for my css structuring in ruby projects.</p> \ <p>Standard sass command works for whole directories or single files only. In general it gets the jobs we want done, but in practical usage i think the sass command tool is a little bit unconvinient. A common scenario for me is, \ that you have whole bunch of sass files, which you want to compile to a single compressed output file. But if you have splitted your sass files in component based modules and you want to watch the complete folder you have to care for dependency handling in each file, because each file will be compiled for its own.</p> \ <pre># compiling a complete folder with scss ~ $ sass css/scss:css/compiled</pre> \ <p>So converting the whole folder is not what i want, because i don\'t want to import for example my color.sass config file in each module again. Compiling a single file seems to be the better solution, and it works in general, as expected, but the devil is in the detail. </p> <pre># compiling a single file where the other files are imported. ~ $ sass css/scss/main.scss:css/compiled/main.css</pre> \ <p>If we change a file with impact to our main.sass file, the --watch handle will not get it, because it observes only the timestamp of the given main.sass.</p> <p>Here is it, where mindful_sass tries to help out. You use it according to the single file variant of sass, but it tries to observe the whole folder the given sass file is placed. If a timestamp of file in the sass folder or its children changes it will compile the specified main.sass again.</p> \ <p>This gem is not aimed to replace anything in the sass universe. It is only a wrapper to avoid the described unconvinience, and i hope that it gets useless as fast as possible, because the sass development gets this feature done for themselves.</p> \ <p>Thanks anyway to the sass developer team.</p>
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