Function baseDirectiveFields

packages/compiler/src/render3/view/compiler.ts:39–103

(
  meta: R3DirectiveMetadata,
  constantPool: ConstantPool,
  bindingParser: BindingParser,
)

const CONTENT_ATTR = `_ngcontent-${COMPONENT_VARIABLE}`;

function baseDirectiveFields(
  meta: R3DirectiveMetadata,
  constantPool: ConstantPool,
  bindingParser: BindingParser,
): DefinitionMap {
  const definitionMap = new DefinitionMap();
  const selectors = core.parseSelectorToR3Selector(meta.selector);

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

  // e.g. `selectors: [['', 'someDir', '']]`
  if (selectors.length > 0) {
    definitionMap.set('selectors', asLiteral(selectors));
  }

  if (meta.queries.length > 0) {
    // e.g. `contentQueries: (rf, ctx, dirIndex) => { ... }
    definitionMap.set(
      'contentQueries',
      createContentQueriesFunction(meta.queries, constantPool, meta.name),
    );
  }

  if (meta.viewQueries.length) {
    definitionMap.set(
      'viewQuery',
      createViewQueriesFunction(meta.viewQueries, constantPool, meta.name),
    );
  }

  // e.g. `hostBindings: (rf, ctx) => { ... }
  definitionMap.set(
    'hostBindings',
    createHostBindingsFunction(
      meta.host,
      meta.typeSourceSpan,
      bindingParser,
      constantPool,
      meta.selector || '',
      meta.name,
      definitionMap,
      meta.legacyOptionalChaining,
    ),
  );

  // e.g 'inputs: {a: 'a'}`
  definitionMap.set('inputs', conditionallyCreateDirectiveBindingLiteral(meta.inputs, true));

  // e.g 'outputs: {a: 'a'}`
  definitionMap.set('outputs', conditionallyCreateDirectiveBindingLiteral(meta.outputs));

  if (meta.exportAs !== null) {
    definitionMap.set('exportAs', o.literalArr(meta.exportAs.map((e) => o.literal(e))));
  }

  if (meta.isStandalone === false) {
    definitionMap.set('standalone', o.literal(false));