Function parseEncode

docs/tests/v2/es6/js/sanddance.js:134293–134319

(encode, marktype, params, scope)

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function parseEncode(encode, marktype, params, scope) {
  var fields = {},
      code = 'var o=item,datum=o.datum,m=0,$;',
      channel,
      enc,
      value;

  for (channel in encode) {
    enc = encode[channel];

    if ((0, _vegaUtil.isArray)(enc)) {
      // rule
      code += (0, _rule.default)(channel, enc, scope, params, fields);
    } else {
      value = (0, _entry.default)(channel, enc, scope, params, fields);
      code += (0, _set.default)('o', channel, value);
    }
  }

  code += (0, _adjustSpatial.default)(encode, marktype);
  code += 'return m;';
  return {
    $expr: code,
    $fields: Object.keys(fields),
    $output: Object.keys(encode)
  };
}
},{"./encode/adjust-spatial":"bIb3","./encode/entry":"K9Sq","./encode/rule":"PRQj","./encode/set":"DjSG","vega-util":"d61Z"}],"UXRt":[function(require,module,exports) {
"use strict";