Function collectI18nViews

packages/core/src/hydration/i18n.ts:98–119

(node: I18nNode)

  const children = new Set<number>();

  function collectI18nViews(node: I18nNode) {
    children.add(node.index);

    switch (node.kind) {
      case I18nNodeKind.ELEMENT:
      case I18nNodeKind.PLACEHOLDER: {
        for (const childNode of node.children) {
          collectI18nViews(childNode);
        }
        break;
      }

      case I18nNodeKind.ICU: {
        for (const caseNodes of node.cases) {
          for (const caseNode of caseNodes) {
            collectI18nViews(caseNode);
          }
        }
        break;
      }
    }
  }

  // Traverse through the AST of each i18n block in the LView,
  // and collect every instruction index.