# All files / src/generator merge-block.js

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     // @flow
    import type { IntermediateOpcodeType } from "./flow/types";

    const mergeBlock = (
      block: IntermediateOpcodeType[],
      v: IntermediateOpcodeType | IntermediateOpcodeType[]
    ): IntermediateOpcodeType[] => {
      // some node types are a sequence of opcodes:
      // nested expressions for example
      if (Array.isArray(v)) {
        block = [...block, ...v];
      } else {
        block.push(v);
      }
      return block;
    };

    export default mergeBlock;