'use strict';

"use strict";
function extractInputs(fragmentSource, out) {
  let match;
  const regex = /@in\s+([^;]+);/g;
  while ((match = regex.exec(fragmentSource)) !== null) {
    out.push(match[1]);
  }
}
function compileInputs(fragments, template, sort = false) {
  const results = [];
  extractInputs(template, results);
  fragments.forEach((fragment) => {
    if (fragment.header) {
      extractInputs(fragment.header, results);
    }
  });
  const mainInput = results;
  if (sort) {
    mainInput.sort();
  }
  const finalString = mainInput.map((inValue, i) => `       @location(${i}) ${inValue},`).join("\n");
  let cleanedString = template.replace(/@in\s+[^;]+;\s*/g, "");
  cleanedString = cleanedString.replace("{{in}}", `
${finalString}
`);
  return cleanedString;
}

exports.compileInputs = compileInputs;
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