Function createPipeDefinitionMap

packages/compiler/src/render3/partial/pipe.ts:40–63

* Gathers the declaration fields for a Pipe into a `DefinitionMap`.

(meta: R3PipeMetadata)

 * Gathers the declaration fields for a Pipe into a `DefinitionMap`.
 */
function createPipeDefinitionMap(meta: R3PipeMetadata): DefinitionMap<R3DeclarePipeMetadata> {
  const definitionMap = new DefinitionMap<R3DeclarePipeMetadata>();

  definitionMap.set('minVersion', o.literal(MINIMUM_PARTIAL_LINKER_VERSION));
  definitionMap.set('version', o.literal('0.0.0-PLACEHOLDER'));
  definitionMap.set('ngImport', o.importExpr(R3.core));

  // e.g. `type: MyPipe`
  definitionMap.set('type', meta.type.value);

  if (meta.isStandalone !== undefined) {
    definitionMap.set('isStandalone', o.literal(meta.isStandalone));
  }

  // e.g. `name: "myPipe"`
  definitionMap.set('name', o.literal(meta.pipeName ?? meta.name));

  if (meta.pure === false) {
    // e.g. `pure: false`
    definitionMap.set('pure', o.literal(meta.pure));
  }

  return definitionMap;
}