function writeBlockMapping()

in packages/libs/codegen/src/yaml-dump/yaml-dump.ts [719:794]
56 lines of code
20 McCabe index (conditional complexity)

function writeBlockMapping(state, level, object, compact) {
  let _result = "",
    _tag = state.tag,
    objectKeyList = Object.keys(object),
    index,
    length,
    objectKey,
    objectValue,
    explicitPair,
    pairBuffer;

  // Allow sorting keys so that the output file is deterministic
  if (state.sortKeys === true) {
    // Default sorting
    objectKeyList.sort();
  } else if (typeof state.sortKeys === "function") {
    // Custom sort function
    objectKeyList.sort(state.sortKeys);
  } else if (state.sortKeys) {
    // Something is wrong
    throw new YAMLException("sortKeys must be a boolean or a function");
  }

  for (index = 0, length = objectKeyList.length; index < length; index += 1) {
    pairBuffer = "";

    if (!compact || _result !== "") {
      pairBuffer += generateNextLine(state, level);
    }

    objectKey = objectKeyList[index];
    objectValue = object[objectKey];

    if (state.replacer) {
      objectValue = state.replacer.call(object, objectKey, objectValue);
    }

    if (!writeNode(state, level + 1, objectKey, true, true, true)) {
      continue; // Skip this pair because of invalid key.
    }

    explicitPair = (state.tag !== null && state.tag !== "?") || (state.dump && state.dump.length > 1024);

    if (explicitPair) {
      if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
        pairBuffer += "?";
      } else {
        pairBuffer += "? ";
      }
    }

    pairBuffer += state.dump;

    if (explicitPair) {
      pairBuffer += generateNextLine(state, level);
    }

    if (!writeNode(state, level + 1, objectValue, true, explicitPair)) {
      continue; // Skip this pair because of invalid value.
    }

    if (state.dump && CHAR_LINE_FEED === state.dump.charCodeAt(0)) {
      pairBuffer += ":";
    } else {
      pairBuffer += ": ";
    }

    pairBuffer += state.dump;

    // Both key and value are valid.
    _result += pairBuffer;
  }

  state.tag = _tag;
  state.dump = _result || "{}"; // Empty mapping if no valid pairs.
}