function-tree/es/Tag.js

When a function is not enough

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
function _callSuper(t, o, e) { return o = _getPrototypeOf(o), _possibleConstructorReturn(t, _isNativeReflectConstruct() ? Reflect.construct(o, e || [], _getPrototypeOf(t).constructor) : o.apply(t, e)); }
function _possibleConstructorReturn(t, e) { if (e && ("object" == _typeof(e) || "function" == typeof e)) return e; if (void 0 !== e) throw new TypeError("Derived constructors may only return object or undefined"); return _assertThisInitialized(t); }
function _assertThisInitialized(e) { if (void 0 === e) throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); return e; }
function _isNativeReflectConstruct() { try { var t = !Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); } catch (t) {} return (_isNativeReflectConstruct = function _isNativeReflectConstruct() { return !!t; })(); }
function _getPrototypeOf(t) { return _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function (t) { return t.__proto__ || Object.getPrototypeOf(t); }, _getPrototypeOf(t); }
function _inherits(t, e) { if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function"); t.prototype = Object.create(e && e.prototype, { constructor: { value: t, writable: !0, configurable: !0 } }), Object.defineProperty(t, "prototype", { writable: !1 }), e && _setPrototypeOf(t, e); }
function _setPrototypeOf(t, e) { return _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function (t, e) { return t.__proto__ = e, t; }, _setPrototypeOf(t, e); }
import { ResolveValue } from './ResolveValue';

/*
  Creates tag for targetting things with a path in Cerebral
*/
export var Tag = /*#__PURE__*/function (_ResolveValue) {
  function Tag(type, getter, strings, values) {
    var _this;
    _classCallCheck(this, Tag);
    _this = _callSuper(this, Tag);
    _this.type = type;
    _this.getter = getter;
    _this.strings = strings;
    _this.values = values;
    return _this;
  }

  /*
    Returns all tags, also nested to identify nested state dependencies
    in components
  */
  _inherits(Tag, _ResolveValue);
  return _createClass(Tag, [{
    key: "getTags",
    value: function getTags() {
      return [this].concat(this.getNestedTags());
    }

    /*
      Gets the path of the tag, where nested tags are evaluated
    */
  }, {
    key: "getPath",
    value: function getPath(context) {
      var _this2 = this;
      return this.strings.reduce(function (currentPath, string, idx) {
        var valueTemplate = _this2.values[idx];
        if (valueTemplate instanceof ResolveValue) {
          return currentPath + string + valueTemplate.getValue(context);
        }
        return currentPath + string + (valueTemplate !== undefined ? valueTemplate : '');
      }, '');
    }
  }, {
    key: "getValue",
    value: function getValue(context) {
      return this.getter(this.getPath(context), context);
    }

    /*
      Grab nested tags from the tags current path
    */
  }, {
    key: "getNestedTags",
    value: function getNestedTags() {
      var _this3 = this;
      return this.strings.reduce(function (currentPaths, string, idx) {
        var valueTemplate = _this3.values[idx];
        if (valueTemplate instanceof Tag) {
          return currentPaths.concat(valueTemplate);
        }
        return currentPaths;
      }, []);
    }

    /*
      Produces a string representation of the tag
    */
  }, {
    key: "toString",
    value: function toString() {
      return this.type + '`' + this.pathToString() + '`';
    }

    /*
      Produces a string representation of the path
    */
  }, {
    key: "pathToString",
    value: function pathToString() {
      var _this4 = this;
      return this.strings.reduce(function (currentPath, string, idx) {
        var valueTemplate = _this4.values[idx];
        if (valueTemplate instanceof Tag) {
          return currentPath + string + '${' + valueTemplate.toString() + '}';
        }
        return currentPath + string + (valueTemplate !== undefined ? valueTemplate : '');
      }, '');
    }
  }]);
}(ResolveValue);
export function createTemplateTag(tag, getValue) {
  return function (strings) {
    for (var _len = arguments.length, values = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
      values[_key - 1] = arguments[_key];
    }
    if (values.some(function (value) {
      return value === undefined;
    })) {
      throw new Error('One of the values passed inside the tag interpolated to undefined. Please check.');
    }
    return new Tag(tag, getValue, strings, values);
  };
}
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