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@uiw/react-signature

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A signature board component for react.

347 lines (297 loc) 25.4 kB
(function webpackUniversalModuleDefinition(root, factory) { if(typeof exports === 'object' && typeof module === 'object') module.exports = factory(require("react")); else if(typeof define === 'function' && define.amd) define(["react"], factory); else if(typeof exports === 'object') exports["@uiw/react-signature"] = factory(require("react")); else root["@uiw/react-signature"] = factory(root["React"]); })(self, (__WEBPACK_EXTERNAL_MODULE__442__) => { return /******/ (() => { // webpackBootstrap /******/ "use strict"; /******/ var __webpack_modules__ = ({ /***/ 192 (__unused_webpack_module, exports, __webpack_require__) { var __webpack_unused_export__; /** * @license React * react-jsx-runtime.production.min.js * * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ var f=__webpack_require__(442),k=Symbol.for("react.element"),l=Symbol.for("react.fragment"),m=Object.prototype.hasOwnProperty,n=f.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED.ReactCurrentOwner,p={key:!0,ref:!0,__self:!0,__source:!0}; function q(c,a,g){var b,d={},e=null,h=null;void 0!==g&&(e=""+g);void 0!==a.key&&(e=""+a.key);void 0!==a.ref&&(h=a.ref);for(b in a)m.call(a,b)&&!p.hasOwnProperty(b)&&(d[b]=a[b]);if(c&&c.defaultProps)for(b in a=c.defaultProps,a)void 0===d[b]&&(d[b]=a[b]);return{$$typeof:k,type:c,key:e,ref:h,props:d,_owner:n.current}}__webpack_unused_export__=l;exports.jsx=q;exports.jsxs=q; /***/ }, /***/ 540 (module, __unused_webpack_exports, __webpack_require__) { if (true) { module.exports = __webpack_require__(192); } else // removed by dead control flow {} /***/ }, /***/ 442 (module) { module.exports = __WEBPACK_EXTERNAL_MODULE__442__; /***/ } /******/ }); /************************************************************************/ /******/ // The module cache /******/ var __webpack_module_cache__ = {}; /******/ /******/ // The require function /******/ function __webpack_require__(moduleId) { /******/ // Check if module is in cache /******/ var cachedModule = __webpack_module_cache__[moduleId]; /******/ if (cachedModule !== undefined) { /******/ return cachedModule.exports; 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;// ../node_modules/@babel/runtime/helpers/esm/typeof.js 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); } ;// ../node_modules/@babel/runtime/helpers/esm/toPrimitive.js 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); } ;// ../node_modules/@babel/runtime/helpers/esm/toPropertyKey.js function toPropertyKey(t) { var i = toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; } ;// ../node_modules/@babel/runtime/helpers/esm/defineProperty.js function _defineProperty(e, r, t) { return (r = toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; } ;// ../node_modules/@babel/runtime/helpers/esm/objectSpread2.js function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; } function _objectSpread2(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; } ;// ../node_modules/@babel/runtime/helpers/esm/arrayWithHoles.js function _arrayWithHoles(r) { if (Array.isArray(r)) return r; } ;// ../node_modules/@babel/runtime/helpers/esm/iterableToArrayLimit.js function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } } ;// ../node_modules/@babel/runtime/helpers/esm/arrayLikeToArray.js function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; } ;// ../node_modules/@babel/runtime/helpers/esm/unsupportedIterableToArray.js function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } } ;// ../node_modules/@babel/runtime/helpers/esm/nonIterableRest.js function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } ;// ../node_modules/@babel/runtime/helpers/esm/slicedToArray.js function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); } ;// ../node_modules/@babel/runtime/helpers/esm/objectWithoutPropertiesLoose.js function _objectWithoutPropertiesLoose(r, e) { if (null == r) return {}; var t = {}; for (var n in r) if ({}.hasOwnProperty.call(r, n)) { if (-1 !== e.indexOf(n)) continue; t[n] = r[n]; } return t; } ;// ../node_modules/@babel/runtime/helpers/esm/objectWithoutProperties.js function _objectWithoutProperties(e, t) { if (null == e) return {}; var o, r, i = _objectWithoutPropertiesLoose(e, t); if (Object.getOwnPropertySymbols) { var n = Object.getOwnPropertySymbols(e); for (r = 0; r < n.length; r++) o = n[r], -1 === t.indexOf(o) && {}.propertyIsEnumerable.call(e, o) && (i[o] = e[o]); } return i; } // EXTERNAL MODULE: external {"root":"React","commonjs2":"react","commonjs":"react","amd":"react"} var external_root_React_commonjs2_react_commonjs_react_amd_react_ = __webpack_require__(442); ;// ./src/store.tsx var initialState={};var PointerContext=/*#__PURE__*/(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.createContext)(initialState);var PointerDispatchContext=/*#__PURE__*/(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.createContext)(function(){});function reducer(tasks,action){if(action&&Object.keys(action).length===0)return initialState;return _objectSpread2(_objectSpread2({},tasks),action);}var useStore=function useStore(){return (0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useContext)(PointerContext);};var useDispatch=function useDispatch(){return (0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useContext)(PointerDispatchContext);}; ;// ./src/options.tsx var defaultOptions={size:6,smoothing:0.46,thinning:0.73,streamline:0.5,easing:function easing(t){return t;},start:{taper:0,easing:function easing(t){return t;},cap:true},end:{taper:0,easing:function easing(t){return t;},cap:true}};var OptionContext=/*#__PURE__*/(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.createContext)(defaultOptions);var OptionDispatchContext=/*#__PURE__*/(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.createContext)(function(){});function reducerOption(tasks,action){return _objectSpread2(_objectSpread2({},tasks),action);}var useOptionStore=function useOptionStore(){return (0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useContext)(OptionContext);};var useOptionDispatch=function useOptionDispatch(){return (0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useContext)(OptionDispatchContext);}; ;// ../node_modules/@babel/runtime/helpers/esm/arrayWithoutHoles.js function _arrayWithoutHoles(r) { if (Array.isArray(r)) return _arrayLikeToArray(r); } ;// ../node_modules/@babel/runtime/helpers/esm/iterableToArray.js function _iterableToArray(r) { if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r); } ;// ../node_modules/@babel/runtime/helpers/esm/nonIterableSpread.js function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } ;// ../node_modules/@babel/runtime/helpers/esm/toConsumableArray.js function _toConsumableArray(r) { return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread(); } ;// ./src/utils.ts /** * Turn the points returned from perfect-freehand into SVG path data. */function getSvgPathFromStroke(stroke){if(!stroke.length)return'';var d=stroke.reduce(function(acc,_ref,i,arr){var _ref2=_slicedToArray(_ref,2),x0=_ref2[0],y0=_ref2[1];var _arr=_slicedToArray(arr[(i+1)%arr.length],2),x1=_arr[0],y1=_arr[1];acc.push(x0,y0,(x0+x1)/2,(y0+y1)/2);return acc;},['M'].concat(_toConsumableArray(stroke[0]),['Q']));d.push('Z');return d.join(' ');}var getBoundingClientRect=function getBoundingClientRect(el){var rect=el===null||el===void 0?void 0:el.getBoundingClientRect();var offsetX=(rect===null||rect===void 0?void 0:rect.left)||0;var offsetY=(rect===null||rect===void 0?void 0:rect.top)||0;return{offsetX:offsetX,offsetY:offsetY};};var getClinetXY=function getClinetXY(_ref3){var clientX=_ref3.clientX,clientY=_ref3.clientY;return{clientX:clientX,clientY:clientY};};var defaultStyle={'--w-signature-background':'#fff',touchAction:'none',position:'relative',width:'100%',height:'100%',backgroundColor:'var(--w-signature-background)'};// Saves incoming handler to the ref in order to avoid "useCallback hell" function useEvent(handler){var callbackRef=(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useRef)(handler);(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useEffect)(function(){callbackRef.current=handler;});return (0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useCallback)(function(event){return callbackRef.current&&callbackRef.current(event);},[]);} // EXTERNAL MODULE: ../node_modules/react/jsx-runtime.js var jsx_runtime = __webpack_require__(540); ;// ./src/Signature.tsx var _excluded=["className","prefixCls","style","readonly","onPointer","children"];var Signature=/*#__PURE__*/(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.forwardRef)(function(props,ref){var className=props.className,_props$prefixCls=props.prefixCls,prefixCls=_props$prefixCls===void 0?'w-signature':_props$prefixCls,style=props.style,_props$readonly=props.readonly,readonly=_props$readonly===void 0?false:_props$readonly,onPointer=props.onPointer,children=props.children,others=_objectWithoutProperties(props,_excluded);var cls=[className,prefixCls].filter(Boolean).join(' ');var $svg=(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useRef)(null);var $path=(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useRef)();var pointsRef=(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useRef)();var pointCount=(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useRef)(0);var pointId=(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useId)();var dispatch=useDispatch();(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useImperativeHandle)(ref,function(){return{svg:$svg.current,dispatch:dispatch,clear:function clear(){return dispatch({});}};},[$svg.current,dispatch]);var handlePointerDown=useEvent(function(e){if(readonly)return;pointCount.current+=1;var _getBoundingClientRec=getBoundingClientRect($svg.current),offsetY=_getBoundingClientRec.offsetY,offsetX=_getBoundingClientRec.offsetX;var evn=e;var clientX=evn.clientX||evn.nativeEvent.clientX;var clientY=evn.clientY||evn.nativeEvent.clientY;pointsRef.current=[[clientX-offsetX,clientY-offsetY]];var pathElm=document.createElementNS('http://www.w3.org/2000/svg','path');$path.current=pathElm;$svg.current.appendChild(pathElm);dispatch(_defineProperty({},pointId+pointCount.current,pointsRef.current));document.addEventListener('pointermove',handlePointerMove);});var handlePointerMove=useEvent(function(e){if($path.current){var _getBoundingClientRec2=getBoundingClientRect($svg.current),offsetY=_getBoundingClientRec2.offsetY,offsetX=_getBoundingClientRec2.offsetX;var _getClinetXY=getClinetXY(e),clientX=_getClinetXY.clientX,clientY=_getClinetXY.clientY;pointsRef.current=[].concat(_toConsumableArray(pointsRef.current),[[clientX-offsetX,clientY-offsetY]]);dispatch(_defineProperty({},pointId+pointCount.current,pointsRef.current));}});var handlePointerUp=useEvent(function(){if(!pointsRef.current)return;var result=pointsRef.current||[];onPointer&&props.onPointer(result);// Remove the temporary path element from DOM if($path.current&&$svg.current&&$svg.current.contains($path.current)){$svg.current.removeChild($path.current);}$path.current=undefined;pointsRef.current=undefined;document.removeEventListener('pointermove',handlePointerMove);});(0,external_root_React_commonjs2_react_commonjs_react_amd_react_.useEffect)(function(){var _$svg$current;document.addEventListener('pointerup',handlePointerUp);(_$svg$current=$svg.current)===null||_$svg$current===void 0?void 0:_$svg$current.addEventListener('pointerdown',handlePointerDown);return function(){var _$svg$current2;document.removeEventListener('pointerup',handlePointerUp);(_$svg$current2=$svg.current)===null||_$svg$current2===void 0?void 0:_$svg$current2.removeEventListener('pointerdown',handlePointerDown);};},[]);var svgStyle=_objectSpread2(_objectSpread2({},defaultStyle),style);return/*#__PURE__*/(0,jsx_runtime.jsx)("svg",_objectSpread2(_objectSpread2({},others),{},{ref:$svg,className:cls,style:svgStyle,children:children}));}); 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