note:sun_jun_22_2025 [Lingao's Wiki]

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====== Code Formatter ======

  * :!: https://yorickpeterse.com/articles/how-to-write-a-code-formatter/ 
  * https://www.ntietz.com/blog/writing-basic-code-formatter/ 
  * :!: https://journal.stuffwithstuff.com/2015/09/08/the-hardest-program-ive-ever-written/

===== How to write a code formatter =====

reference: https://www.ntietz.com/blog/writing-basic-code-formatter/

prettier is based on [[https://homepages.inf.ed.ac.uk/wadler/papers/prettier/prettier.pdf|this paper]]

===== code gen =====

<code ts>
type LowcodeInterface = {
  identifier: string;
  fields: { name: string, type: string, comment?: string }[];
  comment?: string;
}

function printField(field: { name: string, type: string, comment?: string }) {
  return (field.comment ? '  /* ' + field.comment + ' */' + "\n" : "")
          + "  " + field.name + ": " + field.type;
}

function printInterface(lowcodeInterface: LowcodeInterface) {
  return (lowcodeInterface.comment ? '/* ' + lowcodeInterface.comment + " */\n" : "")
          + "interface " + lowcodeInterface.identifier + " {\n"
          + lowcodeInterface.fields.map(printField).join('\n') 
          + "\n}";
}

export { printInterface };  
</code>