react-native-styleman/lib/index.js

Responsive styling library for react native

"use strict";

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

var _react = _interopRequireDefault(require("react"));

var _reactNative = _interopRequireDefault(require("react-native"));

var _Memo = require("./Memo");

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

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

function _extends() { _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; }; return _extends.apply(this, arguments); }

function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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 _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var View = _reactNative["default"].View;

var ThemeContext = _react["default"].createContext();

var StyleManProvider =
/*#__PURE__*/
function (_React$Component) {
  _inherits(StyleManProvider, _React$Component);

  function StyleManProvider(props) {
    var _this;

    _classCallCheck(this, StyleManProvider);

    _this = _possibleConstructorReturn(this, _getPrototypeOf(StyleManProvider).call(this, props));
    _this.setTheme = _this.setTheme.bind(_assertThisInitialized(_this));
    _this.getTheme = _this.getTheme.bind(_assertThisInitialized(_this));
    _this.onLayout = _this.onLayout.bind(_assertThisInitialized(_this));
    _this.state = {
      defaultStyles: {
        flex: 1
      },
      theme: {},
      cacheId: 1,
      setTheme: _this.setTheme,
      getTheme: _this.getTheme
    };
    return _this;
  }

  _createClass(StyleManProvider, [{
    key: "setTheme",
    value: function setTheme(themeFn) {
      this.processStyles(themeFn);
    }
  }, {
    key: "getTheme",
    value: function getTheme() {
      return this.state.theme;
    }
  }, {
    key: "componentWillMount",
    value: function componentWillMount() {
      this.processStyles();
    }
  }, {
    key: "onLayout",
    value: function onLayout(e) {
      this.processStyles();
    }
  }, {
    key: "processStyles",
    value: function processStyles(themeArg) {
      var themeFn = themeArg || this.props.theme;

      if (!themeFn || typeof themeFn !== 'function') {
        throw 'React Native Styleman: theme prop should be a function.';
      }

      var cacheId = this.state.cacheId + 1;
      var partiallyComputedTheme = (0, _Utils.provideValueProcessors)(themeFn);
      this.setState({
        theme: (0, _Utils.processStyles)(partiallyComputedTheme, cacheId),
        cacheId: cacheId
      });
    }
  }, {
    key: "render",
    value: function render() {
      return _react["default"].createElement(ThemeContext.Provider, {
        value: this.state
      }, _react["default"].createElement(View, {
        style: this.props.styles || this.state.defaultStyles,
        onLayout: this.onLayout
      }, _react["default"].Children.only(this.props.children) && this.props.children));
    }
  }]);

  return StyleManProvider;
}(_react["default"].Component);

exports.StyleManProvider = StyleManProvider;

function withStyles(stylesFn) {
  if (!stylesFn || typeof stylesFn !== 'function') {
    throw 'React Native Styleman: styles passed in withStyles function should be wrapped in a function.';
  }

  var stylesSelector = (0, _Memo.memo)(function (themeObj) {
    var styles = stylesFn(themeObj.theme);
    var processedStyles = {};
    var generatedStylesheet;
    Object.keys(styles).forEach(function (componentName) {
      processedStyles[componentName] = (0, _Utils.processStyles)(styles[componentName], themeObj.cacheId);
    });
    generatedStylesheet = _reactNative["default"].StyleSheet.create(processedStyles);
    return {
      styles: generatedStylesheet,
      getTheme: themeObj.getTheme,
      setTheme: themeObj.setTheme
    };
  });
  return function (WrapperComponent) {
    return function (props) {
      return _react["default"].createElement(ThemeContext.Consumer, null, function (themeObj) {
        var stylesObj = stylesSelector(themeObj);
        return _react["default"].createElement(WrapperComponent, _extends({}, props, {
          styles: stylesObj.styles,
          setTheme: stylesObj.setTheme,
          getTheme: stylesObj.getTheme
        }));
      });
    };
  };
}