@artsy/fresnel/dist/Breakpoints.js

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.Breakpoints = void 0;

var _Utils = require("./Utils");

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; var ownKeys = Object.keys(source); if (typeof Object.getOwnPropertySymbols === 'function') { ownKeys = ownKeys.concat(Object.getOwnPropertySymbols(source).filter(function (sym) { return Object.getOwnPropertyDescriptor(source, sym).enumerable; })); } ownKeys.forEach(function (key) { _defineProperty(target, key, source[key]); }); } return target; }

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }

function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }

function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }

function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }

function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }

function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

function breakpointKey(breakpoint) {
  return Array.isArray(breakpoint) ? breakpoint.join("-") : breakpoint;
}
/**
 * Encapsulates all breakpoint data needed by the Media component. The data is
 * generated on initialization so no further runtime work is necessary.
 */


var Breakpoints =
/*#__PURE__*/
function () {
  _createClass(Breakpoints, null, [{
    key: "validKeys",
    value: function validKeys() {
      return ["at", "lessThan", "greaterThan", "greaterThanOrEqual", "between"];
    }
  }]);

  function Breakpoints(_breakpoints) {
    var _this = this;

    _classCallCheck(this, Breakpoints);

    _defineProperty(this, "_sortedBreakpoints", void 0);

    _defineProperty(this, "_breakpoints", void 0);

    _defineProperty(this, "_mediaQueries", void 0);

    _defineProperty(this, "findBreakpointsForWidths", function (fromWidth, throughWidth) {
      var fromBreakpoint = _this.findBreakpointAtWidth(fromWidth);

      if (!fromBreakpoint) {
        return undefined;
      }

      var throughBreakpoint = _this.findBreakpointAtWidth(throughWidth);

      if (!throughBreakpoint || fromBreakpoint === throughBreakpoint) {
        return [fromBreakpoint];
      } else {
        return _this._sortedBreakpoints.slice(_this._sortedBreakpoints.indexOf(fromBreakpoint), _this._sortedBreakpoints.indexOf(throughBreakpoint) + 1);
      }
    });

    _defineProperty(this, "findBreakpointAtWidth", function (width) {
      return _this._sortedBreakpoints.find(function (breakpoint, i) {
        var nextBreakpoint = _this._sortedBreakpoints[i + 1];

        if (nextBreakpoint) {
          return width >= _this._breakpoints[breakpoint] && width < _this._breakpoints[nextBreakpoint];
        } else {
          return width >= _this._breakpoints[breakpoint];
        }
      });
    });

    _defineProperty(this, "valuesWithBreakpointProps", function (values) {
      var max = values.length;
      var valueBreakpoints = [];
      var lastTuple;

      _this._sortedBreakpoints.forEach(function (breakpoint, i) {
        var value = values[i];

        if (i < max && (!lastTuple || lastTuple[0] !== value)) {
          lastTuple = [value, [breakpoint]];
          valueBreakpoints.push(lastTuple);
        } else {
          lastTuple[1].push(breakpoint);
        }
      });

      return valueBreakpoints.map(function (_ref, i) {
        var _ref2 = _slicedToArray(_ref, 2),
            value = _ref2[0],
            breakpoints = _ref2[1];

        var props = {};

        if (i === valueBreakpoints.length - 1) {
          props.greaterThanOrEqual = breakpoints[0];
        } else if (breakpoints.length === 1) {
          props.at = breakpoints[0];
        } else {
          // TODO: This is less than ideal, would be good to have a `through`
          //       prop, which unlike `between` is inclusive.
          props.between = [breakpoints[0], valueBreakpoints[i + 1][1][0]];
        }

        return [value, props];
      });
    });

    this._breakpoints = _breakpoints;
    this._sortedBreakpoints = Object.keys(_breakpoints).map(function (breakpoint) {
      return [breakpoint, _breakpoints[breakpoint]];
    }).sort(function (a, b) {
      return a[1] < b[1] ? -1 : 1;
    }).map(function (breakpointAndValue) {
      return breakpointAndValue[0];
    }); // List of all possible and valid `between` combinations

    var betweenCombinations = this._sortedBreakpoints.slice(0, -1).reduce(function (acc, b1, i) {
      return _toConsumableArray(acc).concat(_toConsumableArray(_this._sortedBreakpoints.slice(i + 1).map(function (b2) {
        return [b1, b2];
      })));
    }, []);

    this._mediaQueries = {
      at: this._createBreakpointQueries("at", this._sortedBreakpoints),
      lessThan: this._createBreakpointQueries("lessThan", this._sortedBreakpoints.slice(1)),
      greaterThan: this._createBreakpointQueries("greaterThan", this._sortedBreakpoints.slice(0, -1)),
      greaterThanOrEqual: this._createBreakpointQueries("greaterThanOrEqual", this._sortedBreakpoints),
      between: this._createBreakpointQueries("between", betweenCombinations)
    };
  }

  _createClass(Breakpoints, [{
    key: "toRuleSets",
    value: function toRuleSets() {
      return Object.entries(this._mediaQueries).reduce(function (acc, _ref3) {
        var _ref4 = _slicedToArray(_ref3, 2),
            type = _ref4[0],
            queries = _ref4[1];

        queries.forEach(function (query, breakpoint) {
          // We need to invert the query, such that it matches when we want the
          // element to be hidden.
          acc.push((0, _Utils.createRuleSet)((0, _Utils.createClassName)(type, breakpoint), "not all and ".concat(query)));
        });
        return acc;
      }, []);
    }
  }, {
    key: "shouldRenderMediaQuery",
    value: function shouldRenderMediaQuery(breakpointProps, onlyRenderAt) {
      var _this2 = this;

      breakpointProps = this._normalizeProps(breakpointProps);

      if (breakpointProps.lessThan) {
        var width = this._breakpoints[breakpointProps.lessThan];
        var lowestAllowedWidth = Math.min.apply(Math, _toConsumableArray(onlyRenderAt.map(function (breakpoint) {
          return _this2._breakpoints[breakpoint];
        })));
        return lowestAllowedWidth < width;
      } else if (breakpointProps.greaterThan) {
        var _width = this._breakpoints[this._findNextBreakpoint(breakpointProps.greaterThan)];

        var highestAllowedWidth = Math.max.apply(Math, _toConsumableArray(onlyRenderAt.map(function (breakpoint) {
          return _this2._breakpoints[breakpoint];
        })));
        return highestAllowedWidth >= _width;
      } else if (breakpointProps.greaterThanOrEqual) {
        var _width2 = this._breakpoints[breakpointProps.greaterThanOrEqual];

        var _highestAllowedWidth = Math.max.apply(Math, _toConsumableArray(onlyRenderAt.map(function (breakpoint) {
          return _this2._breakpoints[breakpoint];
        })));

        return _highestAllowedWidth >= _width2;
      } else if (breakpointProps.between) {
        // TODO: This is the only useful breakpoint to negate, but we’ll
        //       we’ll see when/if we need it. We could then also decide
        //       to add `oustide`.
        var fromWidth = this._breakpoints[breakpointProps.between[0]];
        var toWidth = this._breakpoints[breakpointProps.between[1]];
        var allowedWidths = onlyRenderAt.map(function (breakpoint) {
          return _this2._breakpoints[breakpoint];
        });
        return !(Math.max.apply(Math, _toConsumableArray(allowedWidths)) < fromWidth || Math.min.apply(Math, _toConsumableArray(allowedWidths)) >= toWidth);
      }

      return false;
    }
  }, {
    key: "_normalizeProps",
    value: function _normalizeProps(breakpointProps) {
      if (breakpointProps.at) {
        var fromIndex = this._sortedBreakpoints.indexOf(breakpointProps.at);

        var to = this._sortedBreakpoints[fromIndex + 1];
        return to ? {
          between: [breakpointProps.at, to]
        } : {
          greaterThanOrEqual: breakpointProps.at
        };
      }

      return breakpointProps;
    }
  }, {
    key: "_createBreakpointQuery",
    value: function _createBreakpointQuery(breakpointProps) {
      breakpointProps = this._normalizeProps(breakpointProps);

      if (breakpointProps.lessThan) {
        var width = this._breakpoints[breakpointProps.lessThan];
        return "(max-width:".concat(width - 1, "px)");
      } else if (breakpointProps.greaterThan) {
        var _width3 = this._breakpoints[this._findNextBreakpoint(breakpointProps.greaterThan)];

        return "(min-width:".concat(_width3, "px)");
      } else if (breakpointProps.greaterThanOrEqual) {
        var _width4 = this._breakpoints[breakpointProps.greaterThanOrEqual];
        return "(min-width:".concat(_width4, "px)");
      } else if (breakpointProps.between) {
        // TODO: This is the only useful breakpoint to negate, but we’ll
        //       we’ll see when/if we need it. We could then also decide
        //       to add `outside`.
        var fromWidth = this._breakpoints[breakpointProps.between[0]];
        var toWidth = this._breakpoints[breakpointProps.between[1]];
        return "(min-width:".concat(fromWidth, "px) and (max-width:").concat(toWidth - 1, "px)");
      }

      throw new Error("Unexpected breakpoint props: ".concat(JSON.stringify(breakpointProps)));
    }
  }, {
    key: "_createBreakpointQueries",
    value: function _createBreakpointQueries(key, forBreakpoints) {
      var _this3 = this;

      return forBreakpoints.reduce(function (map, breakpoint) {
        map.set(breakpointKey(breakpoint), _this3._createBreakpointQuery(_defineProperty({}, key, breakpoint)));
        return map;
      }, new Map());
    }
  }, {
    key: "_findNextBreakpoint",
    value: function _findNextBreakpoint(breakpoint) {
      var nextBreakpoint = this._sortedBreakpoints[this._sortedBreakpoints.indexOf(breakpoint) + 1];

      if (!nextBreakpoint) {
        throw new Error("There is no breakpoint larger than ".concat(breakpoint));
      }

      return nextBreakpoint;
    }
  }, {
    key: "sortedBreakpoints",
    get: function get() {
      return this._sortedBreakpoints;
    }
  }, {
    key: "dynamicResponsiveMediaQueries",
    get: function get() {
      return Array.from(this._mediaQueries.at.entries()).reduce(function (acc, _ref5) {
        var _ref6 = _slicedToArray(_ref5, 2),
            k = _ref6[0],
            v = _ref6[1];

        return _objectSpread({}, acc, _defineProperty({}, k, v));
      }, {});
    }
  }, {
    key: "largestBreakpoint",
    get: function get() {
      return this._sortedBreakpoints[this._sortedBreakpoints.length - 1];
    }
  }]);

  return Breakpoints;
}();

exports.Breakpoints = Breakpoints;
//# sourceMappingURL=Breakpoints.js.map