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carbon-components

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The Carbon Design System is IBM’s open-source design system for products and experiences.

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function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _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); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; } 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 } }); Object.defineProperty(subClass, "prototype", { writable: false }); 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); } function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; } function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); } function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; } function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } } function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); } /** * Copyright IBM Corp. 2016, 2018 * * This source code is licensed under the Apache-2.0 license found in the * LICENSE file in the root directory of this source tree. */ import settings from '../../globals/js/settings'; import mixin from '../../globals/js/misc/mixin'; import createComponent from '../../globals/js/mixins/create-component'; import initComponentBySearch from '../../globals/js/mixins/init-component-by-search'; import handles from '../../globals/js/mixins/handles'; import on from '../../globals/js/misc/on'; var NumberInput = /*#__PURE__*/function (_mixin) { _inherits(NumberInput, _mixin); var _super = _createSuper(NumberInput); /** * Number input UI. * @extends CreateComponent * @extends InitComponentBySearch * @extends Handles * @param {HTMLElement} element The element working as a number input UI. */ /** * Number input UI. * @extends CreateComponent * @extends InitComponentBySearch * @extends Handles * @param {HTMLElement} element The element working as a number input UI. */ function NumberInput(element, options) { var _this; _classCallCheck(this, NumberInput); _this = _super.call(this, element, options); // Broken DOM tree is seen with up/down arrows <svg> in IE, which breaks event delegation. // <svg> does not have `Element.classList` in IE11 // Broken DOM tree is seen with up/down arrows <svg> in IE, which breaks event delegation. // <svg> does not have `Element.classList` in IE11 _this.manage(on(_this.element.querySelector('.up-icon'), 'click', function (event) { _this._handleClick(event); })); _this.manage(on(_this.element.querySelector('.down-icon'), 'click', function (event) { _this._handleClick(event); })); return _this; } /** * Increase/decrease number by clicking on up/down icons. * @param {Event} event The event triggering this method. */ /** * Increase/decrease number by clicking on up/down icons. * @param {Event} event The event triggering this method. */ _createClass(NumberInput, [{ key: "_handleClick", value: function _handleClick(event) { var numberInput = this.element.querySelector(this.options.selectorInput); var target = event.currentTarget.getAttribute('class').split(' '); var min = Number(numberInput.min); var max = Number(numberInput.max); var step = Number(numberInput.step) || 1; if (target.indexOf('up-icon') >= 0) { var nextValue = Number(numberInput.value) + step; if (numberInput.max === '') { numberInput.value = nextValue; } else if (numberInput.value < max) { if (nextValue > max) { numberInput.value = max; } else if (nextValue < min) { numberInput.value = min; } else { numberInput.value = nextValue; } } } else if (target.indexOf('down-icon') >= 0) { var _nextValue = Number(numberInput.value) - step; if (numberInput.min === '') { numberInput.value = _nextValue; } else if (numberInput.value > min) { if (_nextValue < min) { numberInput.value = min; } else if (_nextValue > max) { numberInput.value = max; } else { numberInput.value = _nextValue; } } } // Programmatic change in value (including `stepUp()`/`stepDown()`) won't fire change event // Programmatic change in value (including `stepUp()`/`stepDown()`) won't fire change event numberInput.dispatchEvent(new CustomEvent('change', { bubbles: true, cancelable: false })); } /** * The map associating DOM element and number input UI instance. * @member NumberInput.components * @type {WeakMap} */ }], [{ key: "options", get: /** * The component options. * If `options` is specified in the constructor, * {@linkcode NumberInput.create .create()}, or {@linkcode NumberInput.init .init()}, * properties in this object are overridden for the instance being create and how {@linkcode NumberInput.init .init()} works. * @member NumberInput.options * @type {object} * @property {string} selectorInit The CSS selector to find number input UIs. * @property {string} [selectorInput] The CSS selector to find the `<input>` element. */ function get() { var prefix = settings.prefix; return { selectorInit: '[data-numberinput]', selectorInput: ".".concat(prefix, "--number input") }; } }]); NumberInput.components = new WeakMap(); return NumberInput; }(mixin(createComponent, initComponentBySearch, handles)); export default NumberInput;