knowledge/node_modules/drizzle-orm/pg-core/utils/array.js

function parsePgArrayValue(arrayString, startFrom, inQuotes) {
  for (let i = startFrom; i < arrayString.length; i++) {
    const char = arrayString[i];
    if (char === "\\") {
      i++;
      continue;
    }
    if (char === '"') {
      return [arrayString.slice(startFrom, i).replace(/\\/g, ""), i + 1];
    }
    if (inQuotes) {
      continue;
    }
    if (char === "," || char === "}") {
      return [arrayString.slice(startFrom, i).replace(/\\/g, ""), i];
    }
  }
  return [arrayString.slice(startFrom).replace(/\\/g, ""), arrayString.length];
}
function parsePgNestedArray(arrayString, startFrom = 0) {
  const result = [];
  let i = startFrom;
  let lastCharIsComma = false;
  while (i < arrayString.length) {
    const char = arrayString[i];
    if (char === ",") {
      if (lastCharIsComma || i === startFrom) {
        result.push("");
      }
      lastCharIsComma = true;
      i++;
      continue;
    }
    lastCharIsComma = false;
    if (char === "\\") {
      i += 2;
      continue;
    }
    if (char === '"') {
      const [value2, startFrom2] = parsePgArrayValue(arrayString, i + 1, true);
      result.push(value2);
      i = startFrom2;
      continue;
    }
    if (char === "}") {
      return [result, i + 1];
    }
    if (char === "{") {
      const [value2, startFrom2] = parsePgNestedArray(arrayString, i + 1);
      result.push(value2);
      i = startFrom2;
      continue;
    }
    const [value, newStartFrom] = parsePgArrayValue(arrayString, i, false);
    result.push(value);
    i = newStartFrom;
  }
  return [result, i];
}
function parsePgArray(arrayString) {
  const [result] = parsePgNestedArray(arrayString, 1);
  return result;
}
function makePgArray(array) {
  return `{${array.map((item) => {
    if (Array.isArray(item)) {
      return makePgArray(item);
    }
    if (typeof item === "string") {
      return `"${item.replace(/\\/g, "\\\\").replace(/"/g, '\\"')}"`;
    }
    return `${item}`;
  }).join(",")}}`;
}
export {
  makePgArray,
  parsePgArray,
  parsePgNestedArray
};
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