vega2ol
JSON →A TypeScript library that transpiles Vega expressions to OpenLayers array-based expression format. v1.1.1 (latest), stable release. Key differentiator: bridges Vega-Lite/Vega visualization specs with OpenLayers map styling by converting conditional logic, math/string/array functions, and member access (e.g., datum.field) into OpenLayers expressions like ['case', ['>', ['get', 'value'], 100], 'red', 'blue']. Ideal for OpenLayers users who prefer Vega's concise JavaScript-like syntax.
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