Method assertNameNotDuplicate

javascript/packages/core/lib/gen/scope.ts:47–58

(name: string)

  }

  assertNameNotDuplicate(name: string) {
    for (const item of this.declares.values()) {
      if (item === name) {
        throw new Error(`const ${name} declare duplicate`);
      }
    }
    for (const item of this.varDeclares.keys()) {
      if (item === name) {
        throw new Error(`let ${name} declare duplicate`);
      }
    }
  }

  declare(prefix: string, stmt: string) {
    return this.addDeclar(stmt, this.uniqueName(prefix));