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dotlottie-web player: packages, backends, themes, slots, WASM loading and CSP (documentation…
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What this guide covers
A source note for web developers and motion designers using Lottie and dotLottie files in the browser. It records what the repository's documentation says about rendering backends, slots, browser and Node support, self-hosting for strict CSP, and custom builds, plus inconsistencies between pages. Nothing was installed or run, and speed and size claims are the authors' own.
More about this guide
Guide ID: art_01M6CQZPGED3P29D6P7YK0ATC1
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Guide title
dotlottie-web player: packages, backends, themes, slots, WASM loading and CSP (documentation note, not run)
Coverage
A source note for web developers and motion designers using Lottie and dotLottie files in the browser. It records what the repository's documentation says about rendering backends, slots, browser and Node support, self-hosting for strict CSP, and custom builds, plus inconsistencies between pages. Nothing was installed or run, and speed and size claims are the authors' own.
Useful starting points
- The README says a preloaded WASM URL pins a package version that must match the installed one, and the example URL shown in the same commit lagged the package version.
- Strict CSP setups need the worker and WASM self-hosted, since the default worker starts from a blob: URL.
- Gradient slots need a color stop count, and text slots accept partial updates.
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