Diagnosing Eleventy Data Cascade Issues: Missing or Overridden Values
Learn how to diagnose missing or overridden data in Eleventy by checking the data cascade, merge behavior, and async resolution, with concrete checks and fixes.
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eleventyEleventy: Global vs Directory Data Override Confusion
Data Cascade Priority Issue Eleventy resolves template data through a hierarchical cascade: front matter overrides directory data, which in turn overrides global data from the _data folder. When a global data file and a directory‑specific data file share identical keys, the expected precedence is deterministic, but real projects sometimes observe unexpected
Does Eleventy Perform Deep Merges Across the Data Cascade?
Data Cascade Merging Eleventy builds a single data object for each template by merging global data files, directory‑specific data, and the template’s front matter. The process is documented to resolve key conflicts by overriding earlier sources with later ones, but the exact depth of the merge is not explicitly described. Current Understanding When a key exi