rules single-book-source-per-tx-for-notif-rule.ts

92.3% Statements 12/13

75% Branches 6/8

100% Functions 1/1

91.66% Lines 11/12

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  import { autoInjectable } from "tsyringe";
 
import { Tr8AST } from "../../domain/ast.js";
import { SemanticValidationRule, ValidationResult } from "../validator.js";
 
@autoInjectable()
class SingleBookSourcePerTxForNotifRule implements SemanticValidationRule {
  validate(ast: Tr8AST): ValidationResult {
    Eif (ast.type === "NOTIF") {
      const { txs } = ast;
      for (const tx of txs) {
        const set: Set<string> = new Set();
        for (const source of tx.sources) {
          Iif (source.book.type === "world" || source.extern) {
            continue;
          }
          set.add(source.book.book);
        }
 
        if (set.size > 1) {
          return {
            isValid: false,
            errors: ["Notif can only come from a single book source per tx."],
          };
        }
      }
    }
 
    return {
      isValid: true,
      errors: [],
    };
  }
}
 
export { SingleBookSourcePerTxForNotifRule };