removeRequires.js

// this script removes the @(restrict ..) from apipos-service.cds temporarily

const fs = require('fs');
const searchStr = ' @\(restrict'
const fileName = '../srv/apip-service.cds'

let fileContent = fs.readFileSync(__dirname + '/' + fileName, 'utf8');
fs.writeFileSync(__dirname + '/tmp-unmodified-api-service.cds', fileContent)

function findClosingBracketMatchIndex (str, pos) {
    let openBracketCount = 0;
    let givenBracketPosition = -1;
    let index = -1;
    for (let i = 0; i < str.length; i++) {
      let char = str[i];
      if (char === '(') {
        openBracketCount++;
        if (i === pos) {
          givenBracketPosition = openBracketCount;
        }
      } else if (char === ')') {
        if (openBracketCount === givenBracketPosition) {
          index = i;
          break;
        }
        openBracketCount--;
      }
    }
    return index;
  }


function insert(str, index, value) {
    return str.substr(0, index) + value + str.substr(index);
}


while(fileContent.indexOf(searchStr) > 0){
    let i = fileContent.indexOf(searchStr);
    //insert */ after matching closing bracket
    fileContent = insert(fileContent, findClosingBracketMatchIndex(fileContent, i + 2) + 1, '*/')
    //insert /* at opening restrict
    //add 1 to keep space before @
    fileContent = insert(fileContent, i + 1, '/*')    
}

//console.log(fileContent);
fs.writeFileSync(__dirname + '/' + fileName, fileContent)

revertRemovalOfRequire.js

// this script writes back the removed requires

const fs = require('fs');
const fileName = '../srv/api-service.cds'

let fileContent = fs.readFileSync(__dirname + '/tmp-unmodified-api-service.cds', 'utf8');
fs.writeFileSync(__dirname + '/' + fileName, fileContent)