Import Maps allow developers to write bare module specifiers like `import thing from "place"` and map them to actual file paths, node_modules, or CDN URLs — eliminating the need for a bundler to resolve dependencies. CodePen's Compiler leverages this by auto-generating import maps so users can write standard npm-style imports without any build setup. The post also covers the limitation of import maps being inline-only (no external file linking), a workaround discovered by Lea Verou, JSPM's similar approach, and Shopify's work to improve adoption including lifting the single-import-map restriction.
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