Minimal Takes on Faking Container Queries

Real container queries appear increasingly likely. Google is currently experimenting with a syntax proposed by David Baron and refined by Miriam Suzanne. Early prototypes using a switch() syntax, similar to container query value-based functionality, already exist. Existing techniques like the Raven method offer similar capabilities. These approaches will likely evolve over time.

For immediate solutions, JavaScript-based methods are commonly used. These methods monitor container width and apply styling hooks (e.g., classes). Here's a brief overview of minimal approaches:

• Philip Walton's method: Employs ResizeObserver to track sizing and apply classes for styling.
• Heydon Pickering's <watched-box></watched-box> web component: Utilizes ResizeObserver to monitor sizing and apply classes (compatible with resizeasaurus).
• Scott Jehl's <c-q></c-q> web component: Leverages ResizeObserver to monitor sizing and apply data attributes for styling.
• Eric Portis' conditional-classes: Uses ResizeObserver and CSS custom properties to apply classes for styling.

Tommy Hodgins' EQCSS also provides container query functionality (among other features) by parsing custom CSS syntax. However, its reliance on non-standard CSS syntax makes it less minimal and potentially problematic.

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