react-webcam - npm Package Compare versions

Comparing version 4.0.2 to 4.0.3

dist/react-webcam.js

@@ -146,7 +146,32 @@ (function webpackUniversalModuleDefinition(root, factory) {
 
+// polyfill based on https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia
+(function polyfillGetUserMedia() {
+    // Older browsers might not implement mediaDevices at all, so we set an empty object first
+    if (navigator.mediaDevices === undefined) {
+        navigator.mediaDevices = {};
+    }
+    // Some browsers partially implement mediaDevices. We can't just assign an object
+    // with getUserMedia as it would overwrite existing properties.
+    // Here, we will just add the getUserMedia property if it's missing.
+    if (navigator.mediaDevices.getUserMedia === undefined) {
+        navigator.mediaDevices.getUserMedia = function (constraints) {
+            // First get ahold of the legacy getUserMedia, if present
+            var getUserMedia = navigator.getUserMedia ||
+                navigator.webkitGetUserMedia ||
+                navigator.mozGetUserMedia ||
+                navigator.msGetUserMedia;
+            // Some browsers just don't implement it - return a rejected promise with an error
+            // to keep a consistent interface
+            if (!getUserMedia) {
+                return Promise.reject(new Error("getUserMedia is not implemented in this browser"));
+            }
+            // Otherwise, wrap the call to the old navigator.getUserMedia with a Promise
+            return new Promise(function (resolve, reject) {
+                getUserMedia.call(navigator, constraints, resolve, reject);
+            });
+        };
+    }
+})();
 function hasGetUserMedia() {
-    return !!((navigator.mediaDevices && navigator.mediaDevices.getUserMedia) ||
-        navigator.webkitGetUserMedia ||
-        navigator.mozGetUserMedia ||
-        navigator.msGetUserMedia);
+    return !!(navigator.mediaDevices && navigator.mediaDevices.getUserMedia);
 }
@@ -254,7 +279,2 @@ var Webcam = /** @class */ (function (_super) {
         var props = this.props;
-        navigator.getUserMedia =
-            navigator.mediaDevices.getUserMedia ||
-                navigator.webkitGetUserMedia ||
-                navigator.mozGetUserMedia ||
-                navigator.msGetUserMedia;
         var sourceSelected = function (audioConstraints, videoConstraints) {
@@ -261,0 +281,0 @@ var constraints = {

dist/react-webcam.min.js

@@ -1,2 +0,2 @@
-!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("react")):"function"==typeof define&&define.amd?define(["react"],t):"object"==typeof exports?exports.Webcam=t(require("react")):e.Webcam=t(e.React)}(this,function(e){return function(e){var t={};function r(n){if(t[n])return t[n].exports;var i=t[n]={i:n,l:!1,exports:{}};return e[n].call(i.exports,i,i.exports,r),i.l=!0,i.exports}return r.m=e,r.c=t,r.d=function(e,t,n){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:n})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var n=Object.create(null);if(r.r(n),Object.defineProperty(n,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var i in e)r.d(n,i,function(t){return e[t]}.bind(null,i));return n},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=1)}([function(t,r){t.exports=e},function(e,t,r){"use strict";r.r(t);var n,i=r(0),o=(n=function(e,t){return(n=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}n(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}),s=function(){return(s=Object.assign||function(e){for(var t,r=1,n=arguments.length;r<n;r++)for(var i in t=arguments[r])Object.prototype.hasOwnProperty.call(t,i)&&(e[i]=t[i]);return e}).apply(this,arguments)},a=function(e,t){var r={};for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&t.indexOf(n)<0&&(r[n]=e[n]);if(null!=e&&"function"==typeof Object.getOwnPropertySymbols){var i=0;for(n=Object.getOwnPropertySymbols(e);i<n.length;i++)t.indexOf(n[i])<0&&Object.prototype.propertyIsEnumerable.call(e,n[i])&&(r[n[i]]=e[n[i]])}return r};function d(){return!!(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia)}var u=function(e){function t(t){var r=e.call(this,t)||this;return r.ctx=null,r.state={hasUserMedia:!1},r}return o(t,e),t.prototype.componentDidMount=function(){var e=this.state,r=this.props;d()?(t.mountedInstances.push(this),e.hasUserMedia||t.userMediaRequested||this.requestUserMedia()):r.onUserMediaError("getUserMedia not supported")},t.prototype.componentDidUpdate=function(e){var t=this.props;d()?JSON.stringify(e.audioConstraints)===JSON.stringify(t.audioConstraints)&&JSON.stringify(e.videoConstraints)===JSON.stringify(t.videoConstraints)||this.requestUserMedia():t.onUserMediaError("getUserMedia not supported")},t.prototype.componentWillUnmount=function(){var e=this.state,r=t.mountedInstances.indexOf(this);t.mountedInstances.splice(r,1),t.userMediaRequested=!1,0===t.mountedInstances.length&&e.hasUserMedia&&(this.stream.getVideoTracks&&this.stream.getAudioTracks?(this.stream.getVideoTracks().map(function(e){return e.stop()}),this.stream.getAudioTracks().map(function(e){return e.stop()})):this.stream.stop(),e.src&&window.URL.revokeObjectURL(e.src))},t.prototype.getScreenshot=function(){var e=this.state,t=this.props;if(!e.hasUserMedia)return null;var r=this.getCanvas();return r&&r.toDataURL(t.screenshotFormat,t.screenshotQuality)},t.prototype.getCanvas=function(){var e=this.state,t=this.props;if(!this.video)return null;if(!e.hasUserMedia||!this.video.videoHeight)return null;if(!this.ctx){var r=document.createElement("canvas"),n=this.video.videoWidth/this.video.videoHeight,i=t.minScreenshotWidth||this.video.clientWidth,o=i/n;t.minScreenshotHeight&&o<t.minScreenshotHeight&&(i=(o=t.minScreenshotHeight)*n),r.width=i,r.height=o,this.canvas=r,this.ctx=r.getContext("2d")}var s=this.ctx,a=this.canvas;return s&&(t.mirrored&&(s.translate(a.width,0),s.scale(-1,1)),s.imageSmoothingEnabled=t.imageSmoothing,s.drawImage(this.video,0,0,a.width,a.height),t.mirrored&&(s.scale(-1,1),s.translate(-a.width,0))),a},t.prototype.requestUserMedia=function(){var e=this.props;navigator.getUserMedia=navigator.mediaDevices.getUserMedia||navigator.webkitGetUserMedia||navigator.mozGetUserMedia||navigator.msGetUserMedia;var r=function(r,n){var i={video:void 0===n||n};e.audio&&(i.audio=void 0===r||r),navigator.mediaDevices.getUserMedia(i).then(function(e){t.mountedInstances.forEach(function(t){return t.handleUserMedia(null,e)})}).catch(function(e){t.mountedInstances.forEach(function(t){return t.handleUserMedia(e)})})};if("mediaDevices"in navigator)r(e.audioConstraints,e.videoConstraints);else{var n=function(e){return{optional:[{sourceId:e}]}},i=function(e){var t=e.deviceId;return"string"==typeof t?t:Array.isArray(t)&&t.length>0?t[0]:"object"==typeof t&&t.ideal?t.ideal:null};MediaStreamTrack.getSources(function(t){var o=null,s=null;t.forEach(function(e){"audio"===e.kind?o=e.id:"video"===e.kind&&(s=e.id)});var a=i(e.audioConstraints);a&&(o=a);var d=i(e.videoConstraints);d&&(s=d),r(n(o),n(s))})}t.userMediaRequested=!0},t.prototype.handleUserMedia=function(e,t){var r=this.props;if(e||!t)return this.setState({hasUserMedia:!1}),void r.onUserMediaError(e);this.stream=t;try{this.video&&(this.video.srcObject=t),this.setState({hasUserMedia:!0})}catch(e){this.setState({hasUserMedia:!0,src:window.URL.createObjectURL(t)})}r.onUserMedia()},t.prototype.render=function(){var e=this,t=this.state,r=this.props,n=r.audio,o=(r.onUserMedia,r.onUserMediaError,r.screenshotFormat,r.screenshotQuality,r.minScreenshotWidth,r.minScreenshotHeight,r.audioConstraints,r.videoConstraints,r.imageSmoothing,r.mirrored),d=r.style,u=void 0===d?{}:d,c=a(r,["audio","onUserMedia","onUserMediaError","screenshotFormat","screenshotQuality","minScreenshotWidth","minScreenshotHeight","audioConstraints","videoConstraints","imageSmoothing","mirrored","style"]),h=o?s(s({},u),{transform:(u.transform||"")+" scaleX(-1)"}):u;return i.createElement("video",s({autoPlay:!0,src:t.src,muted:n,playsInline:!0,ref:function(t){e.video=t},style:h},c))},t.defaultProps={audio:!0,imageSmoothing:!0,mirrored:!1,onUserMedia:function(){},onUserMediaError:function(){},screenshotFormat:"image/webp",screenshotQuality:.92},t.mountedInstances=[],t.userMediaRequested=!1,t}(i.Component);t.default=u}]).default});
+!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("react")):"function"==typeof define&&define.amd?define(["react"],t):"object"==typeof exports?exports.Webcam=t(require("react")):e.Webcam=t(e.React)}(this,function(e){return function(e){var t={};function r(i){if(t[i])return t[i].exports;var n=t[i]={i:i,l:!1,exports:{}};return e[i].call(n.exports,n,n.exports,r),n.l=!0,n.exports}return r.m=e,r.c=t,r.d=function(e,t,i){r.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:i})},r.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},r.t=function(e,t){if(1&t&&(e=r(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var i=Object.create(null);if(r.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var n in e)r.d(i,n,function(t){return e[t]}.bind(null,n));return i},r.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return r.d(t,"a",t),t},r.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},r.p="",r(r.s=1)}([function(t,r){t.exports=e},function(e,t,r){"use strict";r.r(t);var i,n=r(0),o=(i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var r in t)t.hasOwnProperty(r)&&(e[r]=t[r])})(e,t)},function(e,t){function r(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(r.prototype=t.prototype,new r)}),s=function(){return(s=Object.assign||function(e){for(var t,r=1,i=arguments.length;r<i;r++)for(var n in t=arguments[r])Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n]);return e}).apply(this,arguments)},a=function(e,t){var r={};for(var i in e)Object.prototype.hasOwnProperty.call(e,i)&&t.indexOf(i)<0&&(r[i]=e[i]);if(null!=e&&"function"==typeof Object.getOwnPropertySymbols){var 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supported")},t.prototype.componentDidUpdate=function(e){var t=this.props;d()?JSON.stringify(e.audioConstraints)===JSON.stringify(t.audioConstraints)&&JSON.stringify(e.videoConstraints)===JSON.stringify(t.videoConstraints)||this.requestUserMedia():t.onUserMediaError("getUserMedia not supported")},t.prototype.componentWillUnmount=function(){var e=this.state,r=t.mountedInstances.indexOf(this);t.mountedInstances.splice(r,1),t.userMediaRequested=!1,0===t.mountedInstances.length&&e.hasUserMedia&&(this.stream.getVideoTracks&&this.stream.getAudioTracks?(this.stream.getVideoTracks().map(function(e){return e.stop()}),this.stream.getAudioTracks().map(function(e){return e.stop()})):this.stream.stop(),e.src&&window.URL.revokeObjectURL(e.src))},t.prototype.getScreenshot=function(){var e=this.state,t=this.props;if(!e.hasUserMedia)return null;var r=this.getCanvas();return r&&r.toDataURL(t.screenshotFormat,t.screenshotQuality)},t.prototype.getCanvas=function(){var e=this.state,t=this.props;if(!this.video)return null;if(!e.hasUserMedia||!this.video.videoHeight)return null;if(!this.ctx){var r=document.createElement("canvas"),i=this.video.videoWidth/this.video.videoHeight,n=t.minScreenshotWidth||this.video.clientWidth,o=n/i;t.minScreenshotHeight&&o<t.minScreenshotHeight&&(n=(o=t.minScreenshotHeight)*i),r.width=n,r.height=o,this.canvas=r,this.ctx=r.getContext("2d")}var s=this.ctx,a=this.canvas;return s&&(t.mirrored&&(s.translate(a.width,0),s.scale(-1,1)),s.imageSmoothingEnabled=t.imageSmoothing,s.drawImage(this.video,0,0,a.width,a.height),t.mirrored&&(s.scale(-1,1),s.translate(-a.width,0))),a},t.prototype.requestUserMedia=function(){var e=this.props,r=function(r,i){var n={video:void 0===i||i};e.audio&&(n.audio=void 0===r||r),navigator.mediaDevices.getUserMedia(n).then(function(e){t.mountedInstances.forEach(function(t){return t.handleUserMedia(null,e)})}).catch(function(e){t.mountedInstances.forEach(function(t){return t.handleUserMedia(e)})})};if("mediaDevices"in navigator)r(e.audioConstraints,e.videoConstraints);else{var i=function(e){return{optional:[{sourceId:e}]}},n=function(e){var t=e.deviceId;return"string"==typeof t?t:Array.isArray(t)&&t.length>0?t[0]:"object"==typeof t&&t.ideal?t.ideal:null};MediaStreamTrack.getSources(function(t){var o=null,s=null;t.forEach(function(e){"audio"===e.kind?o=e.id:"video"===e.kind&&(s=e.id)});var a=n(e.audioConstraints);a&&(o=a);var d=n(e.videoConstraints);d&&(s=d),r(i(o),i(s))})}t.userMediaRequested=!0},t.prototype.handleUserMedia=function(e,t){var r=this.props;if(e||!t)return this.setState({hasUserMedia:!1}),void r.onUserMediaError(e);this.stream=t;try{this.video&&(this.video.srcObject=t),this.setState({hasUserMedia:!0})}catch(e){this.setState({hasUserMedia:!0,src:window.URL.createObjectURL(t)})}r.onUserMedia()},t.prototype.render=function(){var e=this,t=this.state,r=this.props,i=r.audio,o=(r.onUserMedia,r.onUserMediaError,r.screenshotFormat,r.screenshotQuality,r.minScreenshotWidth,r.minScreenshotHeight,r.audioConstraints,r.videoConstraints,r.imageSmoothing,r.mirrored),d=r.style,c=void 0===d?{}:d,u=a(r,["audio","onUserMedia","onUserMediaError","screenshotFormat","screenshotQuality","minScreenshotWidth","minScreenshotHeight","audioConstraints","videoConstraints","imageSmoothing","mirrored","style"]),h=o?s(s({},c),{transform:(c.transform||"")+" scaleX(-1)"}):c;return n.createElement("video",s({autoPlay:!0,src:t.src,muted:i,playsInline:!0,ref:function(t){e.video=t},style:h},u))},t.defaultProps={audio:!0,imageSmoothing:!0,mirrored:!1,onUserMedia:function(){},onUserMediaError:function(){},screenshotFormat:"image/webp",screenshotQuality:.92},t.mountedInstances=[],t.userMediaRequested=!1,t}(n.Component);t.default=c}]).default});
 //# sourceMappingURL=react-webcam.min.js.map

package.json

 {
   "name": "react-webcam",
-  "version": "4.0.2",
+  "version": "4.0.3",
   "description": "React webcam component",
@@ -5,0 +5,0 @@ "main": "dist/react-webcam.js",

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Found 1 instance in 1 package

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Improved metrics

Total package byte prevSize

151116

increased by2.96%

Lines of code

661

increased by3.28%

No dependency changes