function writeNode()

in brooklyn-ui/src/main/webapp/assets/js/libs/js-yaml.js [520:593]
65 lines of code
32 McCabe index (conditional complexity)

function writeNode(state, level, object, block, compact) {
  state.tag = null;
  state.dump = object;

  if (!detectType(state, object, false)) {
    detectType(state, object, true);
  }

  var type = _toString.call(state.dump);

  if (block) {
    block = (0 > state.flowLevel || state.flowLevel > level);
  }

  if ((null !== state.tag && '?' !== state.tag) || (2 !== state.indent && level > 0)) {
    compact = false;
  }

  var objectOrArray = '[object Object]' === type || '[object Array]' === type,
      duplicateIndex,
      duplicate;

  if (objectOrArray) {
    duplicateIndex = state.duplicates.indexOf(object);
    duplicate = duplicateIndex !== -1;
  }

  if (duplicate && state.usedDuplicates[duplicateIndex]) {
    state.dump = '*ref_' + duplicateIndex;
  } else {
    if (objectOrArray && duplicate && !state.usedDuplicates[duplicateIndex]) {
      state.usedDuplicates[duplicateIndex] = true;
    }
    if ('[object Object]' === type) {
      if (block && (0 !== Object.keys(state.dump).length)) {
        writeBlockMapping(state, level, state.dump, compact);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + (0 === level ? '\n' : '') + state.dump;
        }
      } else {
        writeFlowMapping(state, level, state.dump);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
        }
      }
    } else if ('[object Array]' === type) {
      if (block && (0 !== state.dump.length)) {
        writeBlockSequence(state, level, state.dump, compact);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + (0 === level ? '\n' : '') + state.dump;
        }
      } else {
        writeFlowSequence(state, level, state.dump);
        if (duplicate) {
          state.dump = '&ref_' + duplicateIndex + ' ' + state.dump;
        }
      }
    } else if ('[object String]' === type) {
      if ('?' !== state.tag) {
        writeScalar(state, state.dump);
      }
    } else if (state.skipInvalid) {
      return false;
    } else {
      throw new YAMLException('unacceptable kind of an object to dump ' + type);
    }

    if (null !== state.tag && '?' !== state.tag) {
      state.dump = '!<' + state.tag + '> ' + state.dump;
    }
  }

  return true;
}