planning

node_modules/ol/src/proj/projections.js

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+/**
+ * @module ol/proj/projections
+ */
+
+/**
+ * @type {Object<string, import("./Projection.js").default>}
+ */
+let cache = {};
+
+/**
+ * Clear the projections cache.
+ */
+export function clear() {
+  cache = {};
+}
+
+/**
+ * Get a cached projection by code.
+ * @param {string} code The code for the projection.
+ * @return {import("./Projection.js").default} The projection (if cached).
+ */
+export function get(code) {
+  return (
+    cache[code] ||
+    cache[code.replace(/urn:(x-)?ogc:def:crs:EPSG:(.*:)?(\w+)$/, 'EPSG:$3')] ||
+    null
+  );
+}
+
+/**
+ * Add a projection to the cache.
+ * @param {string} code The projection code.
+ * @param {import("./Projection.js").default} projection The projection to cache.
+ */
+export function add(code, projection) {
+  cache[code] = projection;
+}