@microsoft/dynamicproto-js - npm Package Compare versions

Comparing version 1.1.4 to 1.1.5

lib/dist/amd/dynamicproto-js.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
-define(function () { 'use strict';
+define((function () { 'use strict';
 
@@ -57,2 +57,6 @@ /**
     /**
+     * The polyfill version of __proto__ so that it doesn't cause issues for anyone not expecting it to exist
+     */
+    var DynProtoPolyProto = "_dynProto";
+    /**
      * Value used as the name of a class when it cannot be determined
@@ -120,4 +124,8 @@ * @ignore
             // target[Constructor] May break if the constructor has been changed or removed
-            var newProto = target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
+            var newProto = target[DynProtoPolyProto] || target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
             if (newProto) {
+                // Set the _dynProto so the hierarchy can lookup base classes correctly on IE8
+                if (!target[DynProtoPolyProto]) {
+                    target[DynProtoPolyProto] = newProto;
+                }
                 return newProto;
@@ -220,2 +228,3 @@ }
             return function () {
+                // eslint-disable-next-line prefer-rest-params
                 return theFunc.apply(target, arguments);
@@ -329,2 +338,3 @@ };
                 var instFunc = _getInstFunc(this, funcName, proto, dynProtoProxy) || _getProtoFunc(funcName, proto, dynProtoProxy);
+                // eslint-disable-next-line prefer-rest-params
                 return instFunc.apply(this, arguments);
@@ -379,4 +389,6 @@ };
             }
+            return false;
         }
-        return false;
+        // If objGetPrototypeOf doesn't exist then just assume everything is ok.
+        return true;
     }
@@ -506,3 +518,3 @@ /**
 
-});
+}));
 //# sourceMappingURL=dynamicproto-js.js.map

lib/dist/amd/dynamicproto-js.min.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
-define(function(){"use strict";var u="constructor",p="prototype",h="function",_="_dynInstFuncs",d="_isDynProxy",g="_dynClass",I="_dynCls$",w="_dynInstChk",O=w,P="_dfOpts",t="_unknown_",r="__proto__",m="useBaseInst",C="setInstFuncs",o=Object,F=o.getPrototypeOf,k=0;function b(n,r){return n&&o[p].hasOwnProperty.call(n,r)}function B(n){return n&&(n===o[p]||n===Array[p])}function D(n){return B(n)||n===Function[p]}function $(n){if(n){if(F)return F(n);if(n=n[r]||n[p]||(n[u]?n[u][p]:null))return n}return null}function j(n,r){var t=[],u=o.getOwnPropertyNames;if(u)t=u(n);else for(var i in n)"string"==typeof i&&b(n,i)&&t.push(i);if(t&&0<t.length)for(var e=0;e<t.length;e++)r(t[e])}function x(n,r,t){return r!==u&&typeof n[r]===h&&(t||b(n,r))}function A(n){throw new TypeError("DynamicProto: "+n)}function E(n,r){for(var t=n.length-1;0<=t;t--)if(n[t]===r)return 1}function M(n,r){return b(n,p)?n.name||r||t:((n||{})[u]||{}).name||r||t}function N(n,u,r,t){b(n,p)||A("theClass is an invalid class definition.");var i=n[p];!function(n){if(F)for(var r=[],t=$(u);t&&!D(t)&&!E(r,t);){if(t===n)return 1;r.push(t),t=$(t)}}(i)&&A("["+M(n)+"] is not in class hierarchy of ["+M(u)+"]");var e=null;b(i,g)?e=i[g]:(e=I+M(n,"_")+"$"+k,k++,i[g]=e);var o=N[P],f=!!o[m];f&&t&&t[m]!==undefined&&(f=!!t[m]);var s,a,c,l,v,y,n=(a={},j(s=u,function(n){!a[n]&&x(s,n,!1)&&(a[n]=s[n])}),a);r(u,function(n,r,t,e){function u(n,r,t){var u,i=r[t];return i[d]&&e&&!1!==(u=n[_]||{})[O]&&(i=(u[r[g]]||{})[t]||i),function(){return i.apply(n,arguments)}}var i={};j(t,function(n){i[n]=u(r,t,n)});for(var o=$(n),f=[];o&&!D(o)&&!E(f,o);)j(o,function(n){!i[n]&&x(o,n,!F)&&(i[n]=u(r,o,n))}),f.push(o),o=$(o);return i}(i,u,n,f)),o=!!F&&!!o[C],c=i,e=e,l=u,v=n,t=!1!==(o=o&&t?!!t[C]:o),B(c)||(o=l[_]=l[_]||{},y=o[e]=o[e]||{},!1!==o[O]&&(o[O]=!!t),j(l,function(n){var t,u,i;x(l,n,!1)&&l[n]!==v[n]&&(y[n]=l[n],delete l[n],b(c,n)&&(!c[n]||c[n][d])||(c[n]=(t=c,u=n,(i=function(){var n,r;return(function(n,r,t,u){var i=null;if(n&&b(t,g)){var e=n[_]||{};if((i=(e[t[g]]||{})[r])||A("Missing ["+r+"] "+h),!i[w]&&!1!==e[O]){for(var o=!b(n,r),f=$(n),s=[];o&&f&&!D(f)&&!E(s,f);){var a=f[r];if(a){o=a===u;break}s.push(f),f=$(f)}try{o&&(n[r]=i),i[w]=1}catch(c){e[O]=!1}}}return i}(this,u,t,i)||(typeof(r=(r=t[n=u])===i?$(t)[n]:r)!==h&&A("["+n+"] is not a "+h),r)).apply(this,arguments)})[d]=1,i)))}))}return N[P]={setInstFuncs:!0,useBaseInst:!0},N});
+define(function(){"use strict";var u="constructor",v="prototype",h="function",_="_dynInstFuncs",d="_isDynProxy",g="_dynClass",I="_dynInstChk",P=I,w="_dfOpts",r="_dynProto",e="_unknown_",i="__proto__",O="useBaseInst",m="setInstFuncs",o=Object,C=o.getPrototypeOf,F=0;function k(n,t){return n&&o[v].hasOwnProperty.call(n,t)}function b(n){return n&&(n===o[v]||n===Array[v])}function B(n){return b(n)||n===Function[v]}function D(n){if(n){if(C)return C(n);var t=n[r]||n[i]||n[v]||(n[u]?n[u][v]:null);if(t)return n[r]||(n[r]=t),t}return null}function $(n,t){var r=[],u=o.getOwnPropertyNames;if(u)r=u(n);else for(var e in n)"string"==typeof e&&k(n,e)&&r.push(e);if(r&&0<r.length)for(var i=0;i<r.length;i++)t(r[i])}function j(n,t,r){return t!==u&&typeof n[t]===h&&(r||k(n,t))}function x(n){throw new TypeError("DynamicProto: "+n)}function A(n,t){for(var r=n.length-1;0<=r;r--)if(n[r]===t)return 1}function E(n,t){return k(n,v)?n.name||t||e:((n||{})[u]||{}).name||t||e}function M(n,u,t,r){k(n,v)||x("theClass is an invalid class definition.");var e,i,o,f,s,a,c=n[v],l=(function(n){if(!C)return 1;for(var t=[],r=D(u);r&&!B(r)&&!A(t,r);){if(r===n)return 1;t.push(r),r=D(r)}}(c)||x("["+E(n)+"] is not in class hierarchy of ["+E(u)+"]"),null),n=(k(c,g)?l=c[g]:(l="_dynCls$"+E(n,"_")+"$"+F,F++,c[g]=l),M[w]),y=!!n[O],p=(y&&r&&r[O]!==undefined&&(y=!!r[O]),i={},$(e=u,function(n){!i[n]&&j(e,n,!1)&&(i[n]=e[n])}),i),y=(t(u,function(n,t,r,i){function u(n,t,r){var u,e=t[r];return e[d]&&i&&!1!==(u=n[_]||{})[P]&&(e=(u[t[g]]||{})[r]||e),function(){return e.apply(n,arguments)}}for(var e={},o=($(r,function(n){e[n]=u(t,r,n)}),D(n)),f=[];o&&!B(o)&&!A(f,o);)$(o,function(n){!e[n]&&j(o,n,!C)&&(e[n]=u(t,o,n))}),f.push(o),o=D(o);return e}(c,u,p,y)),!!C&&!!n[m]);o=c,t=l,f=u,s=p,n=!1!==(y=y&&r?!!r[m]:y),b(o)||(c=f[_]=f[_]||{},a=c[t]=c[t]||{},!1!==c[P]&&(c[P]=!!n),$(f,function(n){var r,u,e;j(f,n,!1)&&f[n]!==s[n]&&(a[n]=f[n],delete f[n],k(o,n)&&(!o[n]||o[n][d])||(o[n]=(r=o,u=n,(e=function(){var n,t;return(function(n,t,r,u){var e=null;if(n&&k(r,g)){var i=n[_]||{};if((e=(i[r[g]]||{})[t])||x("Missing ["+t+"] "+h),!e[I]&&!1!==i[P]){for(var o=!k(n,t),f=D(n),s=[];o&&f&&!B(f)&&!A(s,f);){var a=f[t];if(a){o=a===u;break}s.push(f),f=D(f)}try{o&&(n[t]=e),e[I]=1}catch(c){i[P]=!1}}}return e}(this,u,r,e)||(typeof(t=(t=r[n=u])===e?D(r)[n]:t)!==h&&x("["+n+"] is not a "+h),t)).apply(this,arguments)})[d]=1,e)))}))}return M[w]={setInstFuncs:!0,useBaseInst:!0},M});
 //# sourceMappingURL=dynamicproto-js.min.js.map

lib/dist/cjs/dynamicproto-js.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
@@ -57,2 +57,6 @@ */
 /**
+ * The polyfill version of __proto__ so that it doesn't cause issues for anyone not expecting it to exist
+ */
+var DynProtoPolyProto = "_dynProto";
+/**
  * Value used as the name of a class when it cannot be determined
@@ -120,4 +124,8 @@ * @ignore
         // target[Constructor] May break if the constructor has been changed or removed
-        var newProto = target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
+        var newProto = target[DynProtoPolyProto] || target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
         if (newProto) {
+            // Set the _dynProto so the hierarchy can lookup base classes correctly on IE8
+            if (!target[DynProtoPolyProto]) {
+                target[DynProtoPolyProto] = newProto;
+            }
             return newProto;
@@ -220,2 +228,3 @@ }
         return function () {
+            // eslint-disable-next-line prefer-rest-params
             return theFunc.apply(target, arguments);
@@ -329,2 +338,3 @@ };
             var instFunc = _getInstFunc(this, funcName, proto, dynProtoProxy) || _getProtoFunc(funcName, proto, dynProtoProxy);
+            // eslint-disable-next-line prefer-rest-params
             return instFunc.apply(this, arguments);
@@ -379,4 +389,6 @@ };
         }
+        return false;
     }
-    return false;
+    // If objGetPrototypeOf doesn't exist then just assume everything is ok.
+    return true;
 }
@@ -383,0 +395,0 @@ /**

lib/dist/cjs/dynamicproto-js.min.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
-"use strict";var u="constructor",y="prototype",h="function",_="_dynInstFuncs",d="_isDynProxy",g="_dynClass",I="_dynCls$",m="_dynInstChk",w=m,O="_dfOpts",t="_unknown_",r="__proto__",P="useBaseInst",C="setInstFuncs",o=Object,F=o.getPrototypeOf,k=0;function b(n,r){return n&&o[y].hasOwnProperty.call(n,r)}function x(n){return n&&(n===o[y]||n===Array[y])}function B(n){return x(n)||n===Function[y]}function D(n){if(n){if(F)return F(n);if(n=n[r]||n[y]||(n[u]?n[u][y]:null))return n}return null}function $(n,r){var t=[],u=o.getOwnPropertyNames;if(u)t=u(n);else for(var e in n)"string"==typeof e&&b(n,e)&&t.push(e);if(t&&0<t.length)for(var i=0;i<t.length;i++)r(t[i])}function j(n,r,t){return r!==u&&typeof n[r]===h&&(t||b(n,r))}function A(n){throw new TypeError("DynamicProto: "+n)}function E(n,r){for(var t=n.length-1;0<=t;t--)if(n[t]===r)return 1}function M(n,r){return b(n,y)?n.name||r||t:((n||{})[u]||{}).name||r||t}function N(n,u,r,t){b(n,y)||A("theClass is an invalid class definition.");var e=n[y];!function(n){if(F)for(var r=[],t=D(u);t&&!B(t)&&!E(r,t);){if(t===n)return 1;r.push(t),t=D(t)}}(e)&&A("["+M(n)+"] is not in class hierarchy of ["+M(u)+"]");var i=null;b(e,g)?i=e[g]:(i=I+M(n,"_")+"$"+k,k++,e[g]=i);var o=N[O],f=!!o[P];f&&t&&t[P]!==undefined&&(f=!!t[P]);var s,a,c,l,p,v,n=(a={},$(s=u,function(n){!a[n]&&j(s,n,!1)&&(a[n]=s[n])}),a);r(u,function(n,r,t,i){function u(n,r,t){var u,e=r[t];return e[d]&&i&&!1!==(u=n[_]||{})[w]&&(e=(u[r[g]]||{})[t]||e),function(){return e.apply(n,arguments)}}var e={};$(t,function(n){e[n]=u(r,t,n)});for(var o=D(n),f=[];o&&!B(o)&&!E(f,o);)$(o,function(n){!e[n]&&j(o,n,!F)&&(e[n]=u(r,o,n))}),f.push(o),o=D(o);return e}(e,u,n,f)),o=!!F&&!!o[C],c=e,i=i,l=u,p=n,t=!1!==(o=o&&t?!!t[C]:o),x(c)||(o=l[_]=l[_]||{},v=o[i]=o[i]||{},!1!==o[w]&&(o[w]=!!t),$(l,function(n){var t,u,e;j(l,n,!1)&&l[n]!==p[n]&&(v[n]=l[n],delete l[n],b(c,n)&&(!c[n]||c[n][d])||(c[n]=(t=c,u=n,(e=function(){var n,r;return(function(n,r,t,u){var e=null;if(n&&b(t,g)){var i=n[_]||{};if((e=(i[t[g]]||{})[r])||A("Missing ["+r+"] "+h),!e[m]&&!1!==i[w]){for(var o=!b(n,r),f=D(n),s=[];o&&f&&!B(f)&&!E(s,f);){var a=f[r];if(a){o=a===u;break}s.push(f),f=D(f)}try{o&&(n[r]=e),e[m]=1}catch(c){i[w]=!1}}}return e}(this,u,t,e)||(typeof(r=(r=t[n=u])===e?D(t)[n]:r)!==h&&A("["+n+"] is not a "+h),r)).apply(this,arguments)})[d]=1,e)))}))}N[O]={setInstFuncs:!0,useBaseInst:!0},module.exports=N;
+"use strict";var u="constructor",v="prototype",h="function",_="_dynInstFuncs",d="_isDynProxy",g="_dynClass",I="_dynInstChk",P=I,m="_dfOpts",r="_dynProto",o="_unknown_",e="__proto__",w="useBaseInst",O="setInstFuncs",i=Object,C=i.getPrototypeOf,F=0;function k(n,t){return n&&i[v].hasOwnProperty.call(n,t)}function b(n){return n&&(n===i[v]||n===Array[v])}function x(n){return b(n)||n===Function[v]}function B(n){if(n){if(C)return C(n);var t=n[r]||n[e]||n[v]||(n[u]?n[u][v]:null);if(t)return n[r]||(n[r]=t),t}return null}function D(n,t){var r=[],u=i.getOwnPropertyNames;if(u)r=u(n);else for(var o in n)"string"==typeof o&&k(n,o)&&r.push(o);if(r&&0<r.length)for(var e=0;e<r.length;e++)t(r[e])}function $(n,t,r){return t!==u&&typeof n[t]===h&&(r||k(n,t))}function j(n){throw new TypeError("DynamicProto: "+n)}function A(n,t){for(var r=n.length-1;0<=r;r--)if(n[r]===t)return 1}function E(n,t){return k(n,v)?n.name||t||o:((n||{})[u]||{}).name||t||o}function M(n,u,t,r){k(n,v)||j("theClass is an invalid class definition.");var o,e,i,f,s,a,c=n[v],l=(function(n){if(!C)return 1;for(var t=[],r=B(u);r&&!x(r)&&!A(t,r);){if(r===n)return 1;t.push(r),r=B(r)}}(c)||j("["+E(n)+"] is not in class hierarchy of ["+E(u)+"]"),null),n=(k(c,g)?l=c[g]:(l="_dynCls$"+E(n,"_")+"$"+F,F++,c[g]=l),M[m]),y=!!n[w],p=(y&&r&&r[w]!==undefined&&(y=!!r[w]),e={},D(o=u,function(n){!e[n]&&$(o,n,!1)&&(e[n]=o[n])}),e),y=(t(u,function(n,t,r,e){function u(n,t,r){var u,o=t[r];return o[d]&&e&&!1!==(u=n[_]||{})[P]&&(o=(u[t[g]]||{})[r]||o),function(){return o.apply(n,arguments)}}for(var o={},i=(D(r,function(n){o[n]=u(t,r,n)}),B(n)),f=[];i&&!x(i)&&!A(f,i);)D(i,function(n){!o[n]&&$(i,n,!C)&&(o[n]=u(t,i,n))}),f.push(i),i=B(i);return o}(c,u,p,y)),!!C&&!!n[O]);i=c,t=l,f=u,s=p,n=!1!==(y=y&&r?!!r[O]:y),b(i)||(c=f[_]=f[_]||{},a=c[t]=c[t]||{},!1!==c[P]&&(c[P]=!!n),D(f,function(n){var r,u,o;$(f,n,!1)&&f[n]!==s[n]&&(a[n]=f[n],delete f[n],k(i,n)&&(!i[n]||i[n][d])||(i[n]=(r=i,u=n,(o=function(){var n,t;return(function(n,t,r,u){var o=null;if(n&&k(r,g)){var e=n[_]||{};if((o=(e[r[g]]||{})[t])||j("Missing ["+t+"] "+h),!o[I]&&!1!==e[P]){for(var i=!k(n,t),f=B(n),s=[];i&&f&&!x(f)&&!A(s,f);){var a=f[t];if(a){i=a===u;break}s.push(f),f=B(f)}try{i&&(n[t]=o),o[I]=1}catch(c){e[P]=!1}}}return o}(this,u,r,o)||(typeof(t=(t=r[n=u])===o?B(r)[n]:t)!==h&&j("["+n+"] is not a "+h),t)).apply(this,arguments)})[d]=1,o)))}))}M[m]={setInstFuncs:!0,useBaseInst:!0},module.exports=M;
 //# sourceMappingURL=dynamicproto-js.min.js.map

lib/dist/esm/dynamicproto-js.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
@@ -55,2 +55,6 @@ */
 /**
+ * The polyfill version of __proto__ so that it doesn't cause issues for anyone not expecting it to exist
+ */
+var DynProtoPolyProto = "_dynProto";
+/**
  * Value used as the name of a class when it cannot be determined
@@ -118,4 +122,8 @@ * @ignore
         // target[Constructor] May break if the constructor has been changed or removed
-        var newProto = target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
+        var newProto = target[DynProtoPolyProto] || target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
         if (newProto) {
+            // Set the _dynProto so the hierarchy can lookup base classes correctly on IE8
+            if (!target[DynProtoPolyProto]) {
+                target[DynProtoPolyProto] = newProto;
+            }
             return newProto;
@@ -218,2 +226,3 @@ }
         return function () {
+            // eslint-disable-next-line prefer-rest-params
             return theFunc.apply(target, arguments);
@@ -327,2 +336,3 @@ };
             var instFunc = _getInstFunc(this, funcName, proto, dynProtoProxy) || _getProtoFunc(funcName, proto, dynProtoProxy);
+            // eslint-disable-next-line prefer-rest-params
             return instFunc.apply(this, arguments);
@@ -377,4 +387,6 @@ };
         }
+        return false;
     }
-    return false;
+    // If objGetPrototypeOf doesn't exist then just assume everything is ok.
+    return true;
 }
@@ -502,3 +514,3 @@ /**
 
-export default dynamicProto;
+export { dynamicProto as default };
 //# sourceMappingURL=dynamicproto-js.js.map

lib/dist/esm/dynamicproto-js.min.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
@@ -55,2 +55,6 @@ */
 /**
+ * The polyfill version of __proto__ so that it doesn't cause issues for anyone not expecting it to exist
+ */
+var DynProtoPolyProto = "_dynProto";
+/**
  * Value used as the name of a class when it cannot be determined
@@ -118,4 +122,8 @@ * @ignore
         // target[Constructor] May break if the constructor has been changed or removed
-        var newProto = target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
+        var newProto = target[DynProtoPolyProto] || target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
         if (newProto) {
+            // Set the _dynProto so the hierarchy can lookup base classes correctly on IE8
+            if (!target[DynProtoPolyProto]) {
+                target[DynProtoPolyProto] = newProto;
+            }
             return newProto;
@@ -218,2 +226,3 @@ }
         return function () {
+            // eslint-disable-next-line prefer-rest-params
             return theFunc.apply(target, arguments);
@@ -327,2 +336,3 @@ };
             var instFunc = _getInstFunc(this, funcName, proto, dynProtoProxy) || _getProtoFunc(funcName, proto, dynProtoProxy);
+            // eslint-disable-next-line prefer-rest-params
             return instFunc.apply(this, arguments);
@@ -377,4 +387,6 @@ };
         }
+        return false;
     }
-    return false;
+    // If objGetPrototypeOf doesn't exist then just assume everything is ok.
+    return true;
 }
@@ -502,3 +514,3 @@ /**
 
-export default dynamicProto;
+export { dynamicProto as default };
 //# sourceMappingURL=dynamicproto-js.min.js.map

lib/dist/iife/dynamicproto-js.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
 this.Microsoft = this.Microsoft || {};
-this.Microsoft['DynamicProto-JS'] = (function () {
+this.Microsoft["DynamicProto-JS"] = (function () {
     'use strict';
@@ -59,2 +59,6 @@
     /**
+     * The polyfill version of __proto__ so that it doesn't cause issues for anyone not expecting it to exist
+     */
+    var DynProtoPolyProto = "_dynProto";
+    /**
      * Value used as the name of a class when it cannot be determined
@@ -122,4 +126,8 @@ * @ignore
             // target[Constructor] May break if the constructor has been changed or removed
-            var newProto = target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
+            var newProto = target[DynProtoPolyProto] || target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
             if (newProto) {
+                // Set the _dynProto so the hierarchy can lookup base classes correctly on IE8
+                if (!target[DynProtoPolyProto]) {
+                    target[DynProtoPolyProto] = newProto;
+                }
                 return newProto;
@@ -222,2 +230,3 @@ }
             return function () {
+                // eslint-disable-next-line prefer-rest-params
                 return theFunc.apply(target, arguments);
@@ -331,2 +340,3 @@ };
                 var instFunc = _getInstFunc(this, funcName, proto, dynProtoProxy) || _getProtoFunc(funcName, proto, dynProtoProxy);
+                // eslint-disable-next-line prefer-rest-params
                 return instFunc.apply(this, arguments);
@@ -381,4 +391,6 @@ };
             }
+            return false;
         }
-        return false;
+        // If objGetPrototypeOf doesn't exist then just assume everything is ok.
+        return true;
     }
@@ -508,3 +520,3 @@ /**
 
-}());
+})();
 //# sourceMappingURL=dynamicproto-js.js.map

lib/dist/iife/dynamicproto-js.min.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
-this.Microsoft=this.Microsoft||{},this.Microsoft["DynamicProto-JS"]=function(){"use strict";var i="constructor",h="prototype",p="function",_="_dynInstFuncs",d="_isDynProxy",g="_dynClass",I="_dynCls$",P="_dynInstChk",m=P,w="_dfOpts",r="_unknown_",t="__proto__",O="useBaseInst",C="setInstFuncs",e=Object,F=e.getPrototypeOf,M=0;function k(n,t){return n&&e[h].hasOwnProperty.call(n,t)}function D(n){return n&&(n===e[h]||n===Array[h])}function b(n){return D(n)||n===Function[h]}function B(n){if(n){if(F)return F(n);if(n=n[t]||n[h]||(n[i]?n[i][h]:null))return n}return null}function $(n,t){var r=[],i=e.getOwnPropertyNames;if(i)r=i(n);else for(var o in n)"string"==typeof o&&k(n,o)&&r.push(o);if(r&&0<r.length)for(var u=0;u<r.length;u++)t(r[u])}function j(n,t,r){return t!==i&&typeof n[t]===p&&(r||k(n,t))}function x(n){throw new TypeError("DynamicProto: "+n)}function A(n,t){for(var r=n.length-1;0<=r;r--)if(n[r]===t)return 1}function E(n,t){return k(n,h)?n.name||t||r:((n||{})[i]||{}).name||t||r}function J(n,i,t,r){k(n,h)||x("theClass is an invalid class definition.");var o=n[h];!function(n){if(F)for(var t=[],r=B(i);r&&!b(r)&&!A(t,r);){if(r===n)return 1;t.push(r),r=B(r)}}(o)&&x("["+E(n)+"] is not in class hierarchy of ["+E(i)+"]");var u=null;k(o,g)?u=o[g]:(u=I+E(n,"_")+"$"+M,M++,o[g]=u);var e=J[w],f=!!e[O];f&&r&&r[O]!==undefined&&(f=!!r[O]);var s,a,c,l,y,v,n=(a={},$(s=i,function(n){!a[n]&&j(s,n,!1)&&(a[n]=s[n])}),a);t(i,function(n,t,r,u){function i(n,t,r){var i,o=t[r];return o[d]&&u&&!1!==(i=n[_]||{})[m]&&(o=(i[t[g]]||{})[r]||o),function(){return o.apply(n,arguments)}}var o={};$(r,function(n){o[n]=i(t,r,n)});for(var e=B(n),f=[];e&&!b(e)&&!A(f,e);)$(e,function(n){!o[n]&&j(e,n,!F)&&(o[n]=i(t,e,n))}),f.push(e),e=B(e);return o}(o,i,n,f)),e=!!F&&!!e[C],c=o,u=u,l=i,y=n,r=!1!==(e=e&&r?!!r[C]:e),D(c)||(e=l[_]=l[_]||{},v=e[u]=e[u]||{},!1!==e[m]&&(e[m]=!!r),$(l,function(n){var r,i,o;j(l,n,!1)&&l[n]!==y[n]&&(v[n]=l[n],delete l[n],k(c,n)&&(!c[n]||c[n][d])||(c[n]=(r=c,i=n,(o=function(){var n,t;return(function(n,t,r,i){var o=null;if(n&&k(r,g)){var u=n[_]||{};if((o=(u[r[g]]||{})[t])||x("Missing ["+t+"] "+p),!o[P]&&!1!==u[m]){for(var e=!k(n,t),f=B(n),s=[];e&&f&&!b(f)&&!A(s,f);){var a=f[t];if(a){e=a===i;break}s.push(f),f=B(f)}try{e&&(n[t]=o),o[P]=1}catch(c){u[m]=!1}}}return o}(this,i,r,o)||(typeof(t=(t=r[n=i])===o?B(r)[n]:t)!==p&&x("["+n+"] is not a "+p),t)).apply(this,arguments)})[d]=1,o)))}))}return J[w]={setInstFuncs:!0,useBaseInst:!0},J}();
+this.Microsoft=this.Microsoft||{},this.Microsoft["DynamicProto-JS"]=function(){"use strict";var o="constructor",p="prototype",v="function",_="_dynInstFuncs",d="_isDynProxy",g="_dynClass",P="_dynInstChk",I=P,m="_dfOpts",r="_dynProto",i="_unknown_",u="__proto__",w="useBaseInst",O="setInstFuncs",e=Object,C=e.getPrototypeOf,F=0;function M(n,t){return n&&e[p].hasOwnProperty.call(n,t)}function k(n){return n&&(n===e[p]||n===Array[p])}function D(n){return k(n)||n===Function[p]}function b(n){if(n){if(C)return C(n);var t=n[r]||n[u]||n[p]||(n[o]?n[o][p]:null);if(t)return n[r]||(n[r]=t),t}return null}function B(n,t){var r=[],o=e.getOwnPropertyNames;if(o)r=o(n);else for(var i in n)"string"==typeof i&&M(n,i)&&r.push(i);if(r&&0<r.length)for(var u=0;u<r.length;u++)t(r[u])}function $(n,t,r){return t!==o&&typeof n[t]===v&&(r||M(n,t))}function j(n){throw new TypeError("DynamicProto: "+n)}function x(n,t){for(var r=n.length-1;0<=r;r--)if(n[r]===t)return 1}function A(n,t){return M(n,p)?n.name||t||i:((n||{})[o]||{}).name||t||i}function E(n,o,t,r){M(n,p)||j("theClass is an invalid class definition.");var i,u,e,f,s,c,a=n[p],l=(function(n){if(!C)return 1;for(var t=[],r=b(o);r&&!D(r)&&!x(t,r);){if(r===n)return 1;t.push(r),r=b(r)}}(a)||j("["+A(n)+"] is not in class hierarchy of ["+A(o)+"]"),null),n=(M(a,g)?l=a[g]:(l="_dynCls$"+A(n,"_")+"$"+F,F++,a[g]=l),E[m]),y=!!n[w],h=(y&&r&&r[w]!==undefined&&(y=!!r[w]),u={},B(i=o,function(n){!u[n]&&$(i,n,!1)&&(u[n]=i[n])}),u),y=(t(o,function(n,t,r,u){function o(n,t,r){var o,i=t[r];return i[d]&&u&&!1!==(o=n[_]||{})[I]&&(i=(o[t[g]]||{})[r]||i),function(){return i.apply(n,arguments)}}for(var i={},e=(B(r,function(n){i[n]=o(t,r,n)}),b(n)),f=[];e&&!D(e)&&!x(f,e);)B(e,function(n){!i[n]&&$(e,n,!C)&&(i[n]=o(t,e,n))}),f.push(e),e=b(e);return i}(a,o,h,y)),!!C&&!!n[O]);e=a,t=l,f=o,s=h,n=!1!==(y=y&&r?!!r[O]:y),k(e)||(a=f[_]=f[_]||{},c=a[t]=a[t]||{},!1!==a[I]&&(a[I]=!!n),B(f,function(n){var r,o,i;$(f,n,!1)&&f[n]!==s[n]&&(c[n]=f[n],delete f[n],M(e,n)&&(!e[n]||e[n][d])||(e[n]=(r=e,o=n,(i=function(){var n,t;return(function(n,t,r,o){var i=null;if(n&&M(r,g)){var u=n[_]||{};if((i=(u[r[g]]||{})[t])||j("Missing ["+t+"] "+v),!i[P]&&!1!==u[I]){for(var e=!M(n,t),f=b(n),s=[];e&&f&&!D(f)&&!x(s,f);){var c=f[t];if(c){e=c===o;break}s.push(f),f=b(f)}try{e&&(n[t]=i),i[P]=1}catch(a){u[I]=!1}}}return i}(this,o,r,i)||(typeof(t=(t=r[n=o])===i?b(r)[n]:t)!==v&&j("["+n+"] is not a "+v),t)).apply(this,arguments)})[d]=1,i)))}))}return E[m]={setInstFuncs:!0,useBaseInst:!0},E}();
 //# sourceMappingURL=dynamicproto-js.min.js.map

lib/dist/node/dynamicproto-js.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
@@ -8,4 +8,4 @@ */
     typeof define === 'function' && define.amd ? define(factory) :
-    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, (global.Microsoft = global.Microsoft || {}, global.Microsoft['DynamicProto-JS'] = factory()));
-}(this, (function () { 'use strict';
+    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, (global.Microsoft = global.Microsoft || {}, global.Microsoft["DynamicProto-JS"] = factory()));
+})(this, (function () { 'use strict';
 
@@ -62,2 +62,6 @@ /**
     /**
+     * The polyfill version of __proto__ so that it doesn't cause issues for anyone not expecting it to exist
+     */
+    var DynProtoPolyProto = "_dynProto";
+    /**
      * Value used as the name of a class when it cannot be determined
@@ -125,4 +129,8 @@ * @ignore
             // target[Constructor] May break if the constructor has been changed or removed
-            var newProto = target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
+            var newProto = target[DynProtoPolyProto] || target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
             if (newProto) {
+                // Set the _dynProto so the hierarchy can lookup base classes correctly on IE8
+                if (!target[DynProtoPolyProto]) {
+                    target[DynProtoPolyProto] = newProto;
+                }
                 return newProto;
@@ -225,2 +233,3 @@ }
             return function () {
+                // eslint-disable-next-line prefer-rest-params
                 return theFunc.apply(target, arguments);
@@ -334,2 +343,3 @@ };
                 var instFunc = _getInstFunc(this, funcName, proto, dynProtoProxy) || _getProtoFunc(funcName, proto, dynProtoProxy);
+                // eslint-disable-next-line prefer-rest-params
                 return instFunc.apply(this, arguments);
@@ -384,4 +394,6 @@ };
             }
+            return false;
         }
-        return false;
+        // If objGetPrototypeOf doesn't exist then just assume everything is ok.
+        return true;
     }
@@ -511,3 +523,3 @@ /**
 
-})));
+}));
 //# sourceMappingURL=dynamicproto-js.js.map

lib/dist/node/dynamicproto-js.min.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
-var n=this,t=function(){"use strict";var e="constructor",v="prototype",d="function",h="_dynInstFuncs",_="_isDynProxy",g="_dynClass",m="_dynCls$",I="_dynInstChk",P=I,b="_dfOpts",r="_unknown_",t="__proto__",w="useBaseInst",O="setInstFuncs",f=Object,C=f.getPrototypeOf,F=0;function M(n,t){return n&&f[v].hasOwnProperty.call(n,t)}function k(n){return n&&(n===f[v]||n===Array[v])}function x(n){return k(n)||n===Function[v]}function D(n){if(n){if(C)return C(n);if(n=n[t]||n[v]||(n[e]?n[e][v]:null))return n}return null}function T(n,t){var r=[],e=f.getOwnPropertyNames;if(e)r=e(n);else for(var o in n)"string"==typeof o&&M(n,o)&&r.push(o);if(r&&0<r.length)for(var i=0;i<r.length;i++)t(r[i])}function j(n,t,r){return t!==e&&typeof n[t]===d&&(r||M(n,t))}function B(n){throw new TypeError("DynamicProto: "+n)}function $(n,t){for(var r=n.length-1;0<=r;r--)if(n[r]===t)return 1}function A(n,t){return M(n,v)?n.name||t||r:((n||{})[e]||{}).name||t||r}function E(n,e,t,r){M(n,v)||B("theClass is an invalid class definition.");var o=n[v];!function(n){if(C)for(var t=[],r=D(e);r&&!x(r)&&!$(t,r);){if(r===n)return 1;t.push(r),r=D(r)}}(o)&&B("["+A(n)+"] is not in class hierarchy of ["+A(e)+"]");var i=null;M(o,g)?i=o[g]:(i=m+A(n,"_")+"$"+F,F++,o[g]=i);var f=E[b],u=!!f[w];u&&r&&r[w]!==undefined&&(u=!!r[w]);var s,a,c,l,p,y,n=(a={},T(s=e,function(n){!a[n]&&j(s,n,!1)&&(a[n]=s[n])}),a);t(e,function(n,t,r,i){function e(n,t,r){var e,o=t[r];return o[_]&&i&&!1!==(e=n[h]||{})[P]&&(o=(e[t[g]]||{})[r]||o),function(){return o.apply(n,arguments)}}var o={};T(r,function(n){o[n]=e(t,r,n)});for(var f=D(n),u=[];f&&!x(f)&&!$(u,f);)T(f,function(n){!o[n]&&j(f,n,!C)&&(o[n]=e(t,f,n))}),u.push(f),f=D(f);return o}(o,e,n,u)),f=!!C&&!!f[O],c=o,i=i,l=e,p=n,r=!1!==(f=f&&r?!!r[O]:f),k(c)||(f=l[h]=l[h]||{},y=f[i]=f[i]||{},!1!==f[P]&&(f[P]=!!r),T(l,function(n){var r,e,o;j(l,n,!1)&&l[n]!==p[n]&&(y[n]=l[n],delete l[n],M(c,n)&&(!c[n]||c[n][_])||(c[n]=(r=c,e=n,(o=function(){var n,t;return(function(n,t,r,e){var o=null;if(n&&M(r,g)){var i=n[h]||{};if((o=(i[r[g]]||{})[t])||B("Missing ["+t+"] "+d),!o[I]&&!1!==i[P]){for(var f=!M(n,t),u=D(n),s=[];f&&u&&!x(u)&&!$(s,u);){var a=u[t];if(a){f=a===e;break}s.push(u),u=D(u)}try{f&&(n[t]=o),o[I]=1}catch(c){i[P]=!1}}}return o}(this,e,r,o)||(typeof(t=(t=r[n=e])===o?D(r)[n]:t)!==d&&B("["+n+"] is not a "+d),t)).apply(this,arguments)})[_]=1,o)))}))}return E[b]={setInstFuncs:!0,useBaseInst:!0},E};"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):((n="undefined"!=typeof globalThis?globalThis:n||self).Microsoft=n.Microsoft||{},n.Microsoft["DynamicProto-JS"]=t());
+var n=this,t=function(){"use strict";var o="constructor",d="prototype",h="function",v="_dynInstFuncs",_="_isDynProxy",g="_dynClass",m="_dynInstChk",P=m,I="_dfOpts",r="_dynProto",e="_unknown_",i="__proto__",b="useBaseInst",w="setInstFuncs",u=Object,O=u.getPrototypeOf,C=0;function F(n,t){return n&&u[d].hasOwnProperty.call(n,t)}function M(n){return n&&(n===u[d]||n===Array[d])}function k(n){return M(n)||n===Function[d]}function x(n){if(n){if(O)return O(n);var t=n[r]||n[i]||n[d]||(n[o]?n[o][d]:null);if(t)return n[r]||(n[r]=t),t}return null}function D(n,t){var r=[],o=u.getOwnPropertyNames;if(o)r=o(n);else for(var e in n)"string"==typeof e&&F(n,e)&&r.push(e);if(r&&0<r.length)for(var i=0;i<r.length;i++)t(r[i])}function T(n,t,r){return t!==o&&typeof n[t]===h&&(r||F(n,t))}function j(n){throw new TypeError("DynamicProto: "+n)}function B(n,t){for(var r=n.length-1;0<=r;r--)if(n[r]===t)return 1}function $(n,t){return F(n,d)?n.name||t||e:((n||{})[o]||{}).name||t||e}function A(n,o,t,r){F(n,d)||j("theClass is an invalid class definition.");var e,i,u,f,s,c,a=n[d],l=(function(n){if(!O)return 1;for(var t=[],r=x(o);r&&!k(r)&&!B(t,r);){if(r===n)return 1;t.push(r),r=x(r)}}(a)||j("["+$(n)+"] is not in class hierarchy of ["+$(o)+"]"),null),n=(F(a,g)?l=a[g]:(l="_dynCls$"+$(n,"_")+"$"+C,C++,a[g]=l),A[I]),y=!!n[b],p=(y&&r&&r[b]!==undefined&&(y=!!r[b]),i={},D(e=o,function(n){!i[n]&&T(e,n,!1)&&(i[n]=e[n])}),i),y=(t(o,function(n,t,r,i){function o(n,t,r){var o,e=t[r];return e[_]&&i&&!1!==(o=n[v]||{})[P]&&(e=(o[t[g]]||{})[r]||e),function(){return e.apply(n,arguments)}}for(var e={},u=(D(r,function(n){e[n]=o(t,r,n)}),x(n)),f=[];u&&!k(u)&&!B(f,u);)D(u,function(n){!e[n]&&T(u,n,!O)&&(e[n]=o(t,u,n))}),f.push(u),u=x(u);return e}(a,o,p,y)),!!O&&!!n[w]);u=a,t=l,f=o,s=p,n=!1!==(y=y&&r?!!r[w]:y),M(u)||(a=f[v]=f[v]||{},c=a[t]=a[t]||{},!1!==a[P]&&(a[P]=!!n),D(f,function(n){var r,o,e;T(f,n,!1)&&f[n]!==s[n]&&(c[n]=f[n],delete f[n],F(u,n)&&(!u[n]||u[n][_])||(u[n]=(r=u,o=n,(e=function(){var n,t;return(function(n,t,r,o){var e=null;if(n&&F(r,g)){var i=n[v]||{};if((e=(i[r[g]]||{})[t])||j("Missing ["+t+"] "+h),!e[m]&&!1!==i[P]){for(var u=!F(n,t),f=x(n),s=[];u&&f&&!k(f)&&!B(s,f);){var c=f[t];if(c){u=c===o;break}s.push(f),f=x(f)}try{u&&(n[t]=e),e[m]=1}catch(a){i[P]=!1}}}return e}(this,o,r,e)||(typeof(t=(t=r[n=o])===e?x(r)[n]:t)!==h&&j("["+n+"] is not a "+h),t)).apply(this,arguments)})[_]=1,e)))}))}return A[I]={setInstFuncs:!0,useBaseInst:!0},A};"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):((n="undefined"!=typeof globalThis?globalThis:n||self).Microsoft=n.Microsoft||{},n.Microsoft["DynamicProto-JS"]=t());
 //# sourceMappingURL=dynamicproto-js.min.js.map

lib/dist/system/dynamicproto-js.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
-System.register('Microsoft.DynamicProto-JS', [], function (exports) {
+System.register('Microsoft.DynamicProto-JS', [], (function (exports) {
     'use strict';
     return {
-        execute: function () {
+        execute: (function () {
 
@@ -62,2 +62,6 @@ exports('default', dynamicProto);
             /**
+             * The polyfill version of __proto__ so that it doesn't cause issues for anyone not expecting it to exist
+             */
+            var DynProtoPolyProto = "_dynProto";
+            /**
              * Value used as the name of a class when it cannot be determined
@@ -125,4 +129,8 @@ * @ignore
                     // target[Constructor] May break if the constructor has been changed or removed
-                    var newProto = target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
+                    var newProto = target[DynProtoPolyProto] || target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
                     if (newProto) {
+                        // Set the _dynProto so the hierarchy can lookup base classes correctly on IE8
+                        if (!target[DynProtoPolyProto]) {
+                            target[DynProtoPolyProto] = newProto;
+                        }
                         return newProto;
@@ -225,2 +233,3 @@ }
                     return function () {
+                        // eslint-disable-next-line prefer-rest-params
                         return theFunc.apply(target, arguments);
@@ -334,2 +343,3 @@ };
                         var instFunc = _getInstFunc(this, funcName, proto, dynProtoProxy) || _getProtoFunc(funcName, proto, dynProtoProxy);
+                        // eslint-disable-next-line prefer-rest-params
                         return instFunc.apply(this, arguments);
@@ -384,4 +394,6 @@ };
                     }
+                    return false;
                 }
-                return false;
+                // If objGetPrototypeOf doesn't exist then just assume everything is ok.
+                return true;
             }
@@ -509,5 +521,5 @@ /**
 
-        }
+        })
     };
-});
+}));
 //# sourceMappingURL=dynamicproto-js.js.map

lib/dist/system/dynamicproto-js.min.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
-System.register("Microsoft.DynamicProto-JS",[],function(n){"use strict";return{execute:function(){n("default",E);var e="constructor",p="prototype",h="function",_="_dynInstFuncs",d="_isDynProxy",g="_dynClass",m="_dynCls$",I="_dynInstChk",P=I,w="_dfOpts",r="_unknown_",t="__proto__",O="useBaseInst",C="setInstFuncs",o=Object,F=o.getPrototypeOf,k=0;function D(n,t){return n&&o[p].hasOwnProperty.call(n,t)}function b(n){return n&&(n===o[p]||n===Array[p])}function x(n){return b(n)||n===Function[p]}function B(n){if(n){if(F)return F(n);if(n=n[t]||n[p]||(n[e]?n[e][p]:null))return n}return null}function M(n,t){var r=[],e=o.getOwnPropertyNames;if(e)r=e(n);else for(var u in n)"string"==typeof u&&D(n,u)&&r.push(u);if(r&&0<r.length)for(var i=0;i<r.length;i++)t(r[i])}function S(n,t,r){return t!==e&&typeof n[t]===h&&(r||D(n,t))}function $(n){throw new TypeError("DynamicProto: "+n)}function j(n,t){for(var r=n.length-1;0<=r;r--)if(n[r]===t)return 1}function A(n,t){return D(n,p)?n.name||t||r:((n||{})[e]||{}).name||t||r}function E(n,e,t,r){D(n,p)||$("theClass is an invalid class definition.");var u=n[p];!function(n){if(F)for(var t=[],r=B(e);r&&!x(r)&&!j(t,r);){if(r===n)return 1;t.push(r),r=B(r)}}(u)&&$("["+A(n)+"] is not in class hierarchy of ["+A(e)+"]");var i=null;D(u,g)?i=u[g]:(i=m+A(n,"_")+"$"+k,k++,u[g]=i);var o=E[w],f=!!o[O];f&&r&&r[O]!==undefined&&(f=!!r[O]);var s,a,c,l,y,v,n=(a={},M(s=e,function(n){!a[n]&&S(s,n,!1)&&(a[n]=s[n])}),a);t(e,function(n,t,r,i){function e(n,t,r){var e,u=t[r];return u[d]&&i&&!1!==(e=n[_]||{})[P]&&(u=(e[t[g]]||{})[r]||u),function(){return u.apply(n,arguments)}}var u={};M(r,function(n){u[n]=e(t,r,n)});for(var o=B(n),f=[];o&&!x(o)&&!j(f,o);)M(o,function(n){!u[n]&&S(o,n,!F)&&(u[n]=e(t,o,n))}),f.push(o),o=B(o);return u}(u,e,n,f)),o=!!F&&!!o[C],c=u,i=i,l=e,y=n,r=!1!==(o=o&&r?!!r[C]:o),b(c)||(o=l[_]=l[_]||{},v=o[i]=o[i]||{},!1!==o[P]&&(o[P]=!!r),M(l,function(n){var r,e,u;S(l,n,!1)&&l[n]!==y[n]&&(v[n]=l[n],delete l[n],D(c,n)&&(!c[n]||c[n][d])||(c[n]=(r=c,e=n,(u=function(){var n,t;return(function(n,t,r,e){var u=null;if(n&&D(r,g)){var i=n[_]||{};if((u=(i[r[g]]||{})[t])||$("Missing ["+t+"] "+h),!u[I]&&!1!==i[P]){for(var o=!D(n,t),f=B(n),s=[];o&&f&&!x(f)&&!j(s,f);){var a=f[t];if(a){o=a===e;break}s.push(f),f=B(f)}try{o&&(n[t]=u),u[I]=1}catch(c){i[P]=!1}}}return u}(this,e,r,u)||(typeof(t=(t=r[n=e])===u?B(r)[n]:t)!==h&&$("["+n+"] is not a "+h),t)).apply(this,arguments)})[d]=1,u)))}))}E[w]={setInstFuncs:!0,useBaseInst:!0}}}});
+System.register("Microsoft.DynamicProto-JS",[],function(n){"use strict";return{execute:function(){n("default",E);var e="constructor",v="prototype",h="function",_="_dynInstFuncs",d="_isDynProxy",g="_dynClass",P="_dynCls$",m="_dynInstChk",I=m,w="_dfOpts",r="_dynProto",u="_unknown_",o="__proto__",O="useBaseInst",C="setInstFuncs",i=Object,F=i.getPrototypeOf,k=0;function D(n,t){return n&&i[v].hasOwnProperty.call(n,t)}function b(n){return n&&(n===i[v]||n===Array[v])}function x(n){return b(n)||n===Function[v]}function B(n){if(n){if(F)return F(n);var t=n[r]||n[o]||n[v]||(n[e]?n[e][v]:null);if(t)return n[r]||(n[r]=t),t}return null}function M(n,t){var r=[],e=i.getOwnPropertyNames;if(e)r=e(n);else for(var u in n)"string"==typeof u&&D(n,u)&&r.push(u);if(r&&0<r.length)for(var o=0;o<r.length;o++)t(r[o])}function S(n,t,r){return t!==e&&typeof n[t]===h&&(r||D(n,t))}function $(n){throw new TypeError("DynamicProto: "+n)}function j(n,t){for(var r=n.length-1;0<=r;r--)if(n[r]===t)return 1}function A(n,t){return D(n,v)?n.name||t||u:((n||{})[e]||{}).name||t||u}function E(n,e,t,r){D(n,v)||$("theClass is an invalid class definition.");var u,o,i,f,s,c,a=n[v],l=(function(n){if(!F)return 1;for(var t=[],r=B(e);r&&!x(r)&&!j(t,r);){if(r===n)return 1;t.push(r),r=B(r)}}(a)||$("["+A(n)+"] is not in class hierarchy of ["+A(e)+"]"),null),n=(D(a,g)?l=a[g]:(l=P+A(n,"_")+"$"+k,k++,a[g]=l),E[w]),y=!!n[O],p=(y&&r&&r[O]!==undefined&&(y=!!r[O]),o={},M(u=e,function(n){!o[n]&&S(u,n,!1)&&(o[n]=u[n])}),o),y=(t(e,function(n,t,r,o){function e(n,t,r){var e,u=t[r];return u[d]&&o&&!1!==(e=n[_]||{})[I]&&(u=(e[t[g]]||{})[r]||u),function(){return u.apply(n,arguments)}}for(var u={},i=(M(r,function(n){u[n]=e(t,r,n)}),B(n)),f=[];i&&!x(i)&&!j(f,i);)M(i,function(n){!u[n]&&S(i,n,!F)&&(u[n]=e(t,i,n))}),f.push(i),i=B(i);return u}(a,e,p,y)),!!F&&!!n[C]);i=a,t=l,f=e,s=p,n=!1!==(y=y&&r?!!r[C]:y),b(i)||(a=f[_]=f[_]||{},c=a[t]=a[t]||{},!1!==a[I]&&(a[I]=!!n),M(f,function(n){var r,e,u;S(f,n,!1)&&f[n]!==s[n]&&(c[n]=f[n],delete f[n],D(i,n)&&(!i[n]||i[n][d])||(i[n]=(r=i,e=n,(u=function(){var n,t;return(function(n,t,r,e){var u=null;if(n&&D(r,g)){var o=n[_]||{};if((u=(o[r[g]]||{})[t])||$("Missing ["+t+"] "+h),!u[m]&&!1!==o[I]){for(var i=!D(n,t),f=B(n),s=[];i&&f&&!x(f)&&!j(s,f);){var c=f[t];if(c){i=c===e;break}s.push(f),f=B(f)}try{i&&(n[t]=u),u[m]=1}catch(a){o[I]=!1}}}return u}(this,e,r,u)||(typeof(t=(t=r[n=e])===u?B(r)[n]:t)!==h&&$("["+n+"] is not a "+h),t)).apply(this,arguments)})[d]=1,u)))}))}E[w]={setInstFuncs:!0,useBaseInst:!0}}}});
 //# sourceMappingURL=dynamicproto-js.min.js.map

lib/dist/umd/dynamicproto-js.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
@@ -8,4 +8,4 @@ */
     typeof define === 'function' && define.amd ? define(factory) :
-    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, (global.Microsoft = global.Microsoft || {}, global.Microsoft['DynamicProto-JS'] = factory()));
-}(this, (function () { 'use strict';
+    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, (global.Microsoft = global.Microsoft || {}, global.Microsoft["DynamicProto-JS"] = factory()));
+})(this, (function () { 'use strict';
 
@@ -62,2 +62,6 @@ /**
     /**
+     * The polyfill version of __proto__ so that it doesn't cause issues for anyone not expecting it to exist
+     */
+    var DynProtoPolyProto = "_dynProto";
+    /**
      * Value used as the name of a class when it cannot be determined
@@ -125,4 +129,8 @@ * @ignore
             // target[Constructor] May break if the constructor has been changed or removed
-            var newProto = target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
+            var newProto = target[DynProtoPolyProto] || target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
             if (newProto) {
+                // Set the _dynProto so the hierarchy can lookup base classes correctly on IE8
+                if (!target[DynProtoPolyProto]) {
+                    target[DynProtoPolyProto] = newProto;
+                }
                 return newProto;
@@ -225,2 +233,3 @@ }
             return function () {
+                // eslint-disable-next-line prefer-rest-params
                 return theFunc.apply(target, arguments);
@@ -334,2 +343,3 @@ };
                 var instFunc = _getInstFunc(this, funcName, proto, dynProtoProxy) || _getProtoFunc(funcName, proto, dynProtoProxy);
+                // eslint-disable-next-line prefer-rest-params
                 return instFunc.apply(this, arguments);
@@ -384,4 +394,6 @@ };
             }
+            return false;
         }
-        return false;
+        // If objGetPrototypeOf doesn't exist then just assume everything is ok.
+        return true;
     }
@@ -511,3 +523,3 @@ /**
 
-})));
+}));
 //# sourceMappingURL=dynamicproto-js.js.map

lib/dist/umd/dynamicproto-js.min.js

 /*!
- * Microsoft Dynamic Proto Utility, 1.1.4
+ * Microsoft Dynamic Proto Utility, 1.1.5
  * Copyright (c) Microsoft and contributors. All rights reserved.
  */
-var n=this,t=function(){"use strict";var e="constructor",v="prototype",d="function",h="_dynInstFuncs",_="_isDynProxy",g="_dynClass",m="_dynCls$",I="_dynInstChk",P=I,b="_dfOpts",r="_unknown_",t="__proto__",w="useBaseInst",O="setInstFuncs",f=Object,C=f.getPrototypeOf,F=0;function M(n,t){return n&&f[v].hasOwnProperty.call(n,t)}function k(n){return n&&(n===f[v]||n===Array[v])}function x(n){return k(n)||n===Function[v]}function D(n){if(n){if(C)return C(n);if(n=n[t]||n[v]||(n[e]?n[e][v]:null))return n}return null}function T(n,t){var r=[],e=f.getOwnPropertyNames;if(e)r=e(n);else for(var o in n)"string"==typeof o&&M(n,o)&&r.push(o);if(r&&0<r.length)for(var i=0;i<r.length;i++)t(r[i])}function j(n,t,r){return t!==e&&typeof n[t]===d&&(r||M(n,t))}function B(n){throw new TypeError("DynamicProto: "+n)}function $(n,t){for(var r=n.length-1;0<=r;r--)if(n[r]===t)return 1}function A(n,t){return M(n,v)?n.name||t||r:((n||{})[e]||{}).name||t||r}function E(n,e,t,r){M(n,v)||B("theClass is an invalid class definition.");var o=n[v];!function(n){if(C)for(var t=[],r=D(e);r&&!x(r)&&!$(t,r);){if(r===n)return 1;t.push(r),r=D(r)}}(o)&&B("["+A(n)+"] is not in class hierarchy of ["+A(e)+"]");var i=null;M(o,g)?i=o[g]:(i=m+A(n,"_")+"$"+F,F++,o[g]=i);var f=E[b],u=!!f[w];u&&r&&r[w]!==undefined&&(u=!!r[w]);var s,a,c,l,p,y,n=(a={},T(s=e,function(n){!a[n]&&j(s,n,!1)&&(a[n]=s[n])}),a);t(e,function(n,t,r,i){function e(n,t,r){var e,o=t[r];return o[_]&&i&&!1!==(e=n[h]||{})[P]&&(o=(e[t[g]]||{})[r]||o),function(){return o.apply(n,arguments)}}var o={};T(r,function(n){o[n]=e(t,r,n)});for(var f=D(n),u=[];f&&!x(f)&&!$(u,f);)T(f,function(n){!o[n]&&j(f,n,!C)&&(o[n]=e(t,f,n))}),u.push(f),f=D(f);return o}(o,e,n,u)),f=!!C&&!!f[O],c=o,i=i,l=e,p=n,r=!1!==(f=f&&r?!!r[O]:f),k(c)||(f=l[h]=l[h]||{},y=f[i]=f[i]||{},!1!==f[P]&&(f[P]=!!r),T(l,function(n){var r,e,o;j(l,n,!1)&&l[n]!==p[n]&&(y[n]=l[n],delete l[n],M(c,n)&&(!c[n]||c[n][_])||(c[n]=(r=c,e=n,(o=function(){var n,t;return(function(n,t,r,e){var o=null;if(n&&M(r,g)){var i=n[h]||{};if((o=(i[r[g]]||{})[t])||B("Missing ["+t+"] "+d),!o[I]&&!1!==i[P]){for(var f=!M(n,t),u=D(n),s=[];f&&u&&!x(u)&&!$(s,u);){var a=u[t];if(a){f=a===e;break}s.push(u),u=D(u)}try{f&&(n[t]=o),o[I]=1}catch(c){i[P]=!1}}}return o}(this,e,r,o)||(typeof(t=(t=r[n=e])===o?D(r)[n]:t)!==d&&B("["+n+"] is not a "+d),t)).apply(this,arguments)})[_]=1,o)))}))}return E[b]={setInstFuncs:!0,useBaseInst:!0},E};"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):((n="undefined"!=typeof globalThis?globalThis:n||self).Microsoft=n.Microsoft||{},n.Microsoft["DynamicProto-JS"]=t());
+var n=this,t=function(){"use strict";var o="constructor",d="prototype",h="function",v="_dynInstFuncs",_="_isDynProxy",g="_dynClass",m="_dynInstChk",P=m,I="_dfOpts",r="_dynProto",e="_unknown_",i="__proto__",b="useBaseInst",w="setInstFuncs",u=Object,O=u.getPrototypeOf,C=0;function F(n,t){return n&&u[d].hasOwnProperty.call(n,t)}function M(n){return n&&(n===u[d]||n===Array[d])}function k(n){return M(n)||n===Function[d]}function x(n){if(n){if(O)return O(n);var t=n[r]||n[i]||n[d]||(n[o]?n[o][d]:null);if(t)return n[r]||(n[r]=t),t}return null}function D(n,t){var r=[],o=u.getOwnPropertyNames;if(o)r=o(n);else for(var e in n)"string"==typeof e&&F(n,e)&&r.push(e);if(r&&0<r.length)for(var i=0;i<r.length;i++)t(r[i])}function T(n,t,r){return t!==o&&typeof n[t]===h&&(r||F(n,t))}function j(n){throw new TypeError("DynamicProto: "+n)}function B(n,t){for(var r=n.length-1;0<=r;r--)if(n[r]===t)return 1}function $(n,t){return F(n,d)?n.name||t||e:((n||{})[o]||{}).name||t||e}function A(n,o,t,r){F(n,d)||j("theClass is an invalid class definition.");var e,i,u,f,s,c,a=n[d],l=(function(n){if(!O)return 1;for(var t=[],r=x(o);r&&!k(r)&&!B(t,r);){if(r===n)return 1;t.push(r),r=x(r)}}(a)||j("["+$(n)+"] is not in class hierarchy of ["+$(o)+"]"),null),n=(F(a,g)?l=a[g]:(l="_dynCls$"+$(n,"_")+"$"+C,C++,a[g]=l),A[I]),y=!!n[b],p=(y&&r&&r[b]!==undefined&&(y=!!r[b]),i={},D(e=o,function(n){!i[n]&&T(e,n,!1)&&(i[n]=e[n])}),i),y=(t(o,function(n,t,r,i){function o(n,t,r){var o,e=t[r];return e[_]&&i&&!1!==(o=n[v]||{})[P]&&(e=(o[t[g]]||{})[r]||e),function(){return e.apply(n,arguments)}}for(var e={},u=(D(r,function(n){e[n]=o(t,r,n)}),x(n)),f=[];u&&!k(u)&&!B(f,u);)D(u,function(n){!e[n]&&T(u,n,!O)&&(e[n]=o(t,u,n))}),f.push(u),u=x(u);return e}(a,o,p,y)),!!O&&!!n[w]);u=a,t=l,f=o,s=p,n=!1!==(y=y&&r?!!r[w]:y),M(u)||(a=f[v]=f[v]||{},c=a[t]=a[t]||{},!1!==a[P]&&(a[P]=!!n),D(f,function(n){var r,o,e;T(f,n,!1)&&f[n]!==s[n]&&(c[n]=f[n],delete f[n],F(u,n)&&(!u[n]||u[n][_])||(u[n]=(r=u,o=n,(e=function(){var n,t;return(function(n,t,r,o){var e=null;if(n&&F(r,g)){var i=n[v]||{};if((e=(i[r[g]]||{})[t])||j("Missing ["+t+"] "+h),!e[m]&&!1!==i[P]){for(var u=!F(n,t),f=x(n),s=[];u&&f&&!k(f)&&!B(s,f);){var c=f[t];if(c){u=c===o;break}s.push(f),f=x(f)}try{u&&(n[t]=e),e[m]=1}catch(a){i[P]=!1}}}return e}(this,o,r,e)||(typeof(t=(t=r[n=o])===e?x(r)[n]:t)!==h&&j("["+n+"] is not a "+h),t)).apply(this,arguments)})[_]=1,e)))}))}return A[I]={setInstFuncs:!0,useBaseInst:!0},A};"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):((n="undefined"!=typeof globalThis?globalThis:n||self).Microsoft=n.Microsoft||{},n.Microsoft["DynamicProto-JS"]=t());
 //# sourceMappingURL=dynamicproto-js.min.js.map

lib/src/DynamicProto.ts

@@ -64,2 +64,7 @@ // Copyright (c) Microsoft Corporation. All rights reserved.
 /**
+ * The polyfill version of __proto__ so that it doesn't cause issues for anyone not expecting it to exist
+ */
+const DynProtoPolyProto = "_dynProto";
+
+/**
  * Value used as the name of a class when it cannot be determined
@@ -139,4 +144,9 @@ * @ignore
         // target[Constructor] May break if the constructor has been changed or removed
-        let newProto = target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
+        let newProto = target[DynProtoPolyProto] || target[str__Proto] || target[Prototype] || (target[Constructor] ? target[Constructor][Prototype] : null);
         if(newProto) {
+            // Set the _dynProto so the hierarchy can lookup base classes correctly on IE8
+            if (!target[DynProtoPolyProto]) {
+                target[DynProtoPolyProto] = newProto;
+            }
+
             return newProto;
@@ -250,2 +260,3 @@ }
         return function() {
+            // eslint-disable-next-line prefer-rest-params
             return theFunc.apply(target, arguments);
@@ -376,5 +387,6 @@ };
     function _createDynamicPrototype(proto:any, funcName:string) {
-        var dynProtoProxy = function() {
+        let dynProtoProxy = function() {
             // Use the instance or prototype function
             let instFunc = _getInstFunc(this, funcName, proto, dynProtoProxy) || _getProtoFunc(funcName, proto, dynProtoProxy);
+            // eslint-disable-next-line prefer-rest-params
             return instFunc.apply(this, arguments);
@@ -436,5 +448,8 @@ };
         }
+
+        return false;
     }
 
-    return false;
+    // If objGetPrototypeOf doesn't exist then just assume everything is ok.
+    return true;
 }
@@ -538,3 +553,3 @@
  */
-export default function dynamicProto<DPType, DPCls>(theClass:DPCls, target:DPType, delegateFunc: DynamicProtoDelegate<DPType>, options?:IDynamicProtoOpts) {
+export default function dynamicProto<DPType, DPCls>(theClass:DPCls, target:DPType, delegateFunc: DynamicProtoDelegate<DPType>, options?:IDynamicProtoOpts): void {
     // Make sure that the passed theClass argument looks correct
@@ -541,0 +556,0 @@ if (!_hasOwnProperty(theClass, Prototype)) {

lib/test/tsconfig.json

@@ -13,3 +13,4 @@ {
     },
-    "files": []
-}
+    "files": [
+    ]
+}

package.json

 {
   "name": "@microsoft/dynamicproto-js",
   "description": "Microsoft Dynamic Proto Utility",
-  "version": "1.1.4",
+  "version": "1.1.5",
   "keywords": [
@@ -21,7 +21,10 @@ "javascript",
   "scripts": {
-    "ci-install": "node common/scripts/install-run-rush.js update",
+    "ci-install": "node common/scripts/install-run-rush.js check && node common/scripts/install-run-rush.js update",
     "build": "node common/scripts/install-run-rush.js rebuild",
     "test": "grunt dynamicprototest",
     "rollup": "grunt rollup",
-    "docs": "typedoc --out docs lib/src --excludePrivate --excludeProtected --tsconfig lib/tsconfig.json --theme minimal"
+    "rupdate": "node common/scripts/install-run-rush.js update --recheck --purge --full",
+    "docs": "typedoc --out docs lib/src --excludePrivate --excludeProtected --tsconfig lib/tsconfig.json --theme minimal",
+    "fullClean": "git clean -xdf && npm install && rush update --recheck --purge --full",
+    "fullCleanBuild": "npm run fullClean && npm run build"
   },
@@ -41,9 +44,18 @@ "repository": {
   "devDependencies": {
-    "grunt": "^1.4.1",
-    "grunt-cli": "^1.3.2",
+    "@microsoft/rush": "^5.67.0",
+    "@nevware21/grunt-ts-plugin": "^0.3.0",
+    "@nevware21/grunt-eslint-ts": "^0.1.0",
+    "@typescript-eslint/eslint-plugin": "^4.28.0",
+    "@typescript-eslint/parser": "^4.28.0",
+    "eslint": "^7.29.0",
+    "eslint-config-standard": "^16.0.3",
+    "eslint-plugin-import": "^2.23.4",
+    "eslint-plugin-node": "^11.1.0",
+    "eslint-plugin-promise": "^5.1.0",
+    "eslint-plugin-security": "^1.4.0",
+    "grunt": "^1.5.2",
+    "grunt-cli": "^1.4.3",
     "grunt-contrib-qunit": "^4.0.0",
     "grunt-contrib-uglify": "^5.0.1",
     "grunt-run": "^0.8.1",
-    "grunt-ts": "^6.0.0-beta.22",
-    "grunt-tslint": "^5.0.2",
     "@rollup/plugin-node-resolve": "^9.0.0",
@@ -53,8 +65,5 @@ "@rollup/plugin-replace": "^2.3.3",
     "rollup": "^2.32.0",
-    "tslint": "^5.19.0",
-    "tslint-config-prettier": "^1.18.0",
-    "tslint-microsoft-contrib": "^6.2.0",
-    "typedoc": "^0.20.36",
-    "typescript": "^3.7.2"
+    "typedoc": "^0.22.8",
+    "typescript": "^4.5.0"
   }
 }

RELEASES.md

 # Releases
 
+## 1.1.5 (Apr 28th, 2022)
+
+- #47 [IE8] The _checkPrototype always fails on IE in IE8 mode
+
 ## 1.1.4 (Jun 3rd, 2021)
@@ -4,0 +8,0 @@

tools/rollup/esm/removedynamic.js

@@ -88,3 +88,3 @@ /*!
 		previous: { writable: true, value: null },
-		next:     { writable: true, value: null }
+		next: { writable: true, value: null },
 	});
@@ -199,3 +199,2 @@ };
 		return true;
-
 	} else {
@@ -221,3 +220,2 @@ this.edit('', undefined, true);
 		return true;
-
 	} else {
@@ -407,3 +405,3 @@ this.edit('', undefined, true);
 	insertRight: false,
-	storeName: false
+	storeName: false,
 };
@@ -417,15 +415,15 @@
 	Object.defineProperties(this, {
-		original:              { writable: true, value: string },
-		outro:                 { writable: true, value: '' },
-		intro:                 { writable: true, value: '' },
-		firstChunk:            { writable: true, value: chunk },
-		lastChunk:             { writable: true, value: chunk },
-		lastSearchedChunk:     { writable: true, value: chunk },
-		byStart:               { writable: true, value: {} },
-		byEnd:                 { writable: true, value: {} },
-		filename:              { writable: true, value: options.filename },
+		original: { writable: true, value: string },
+		outro: { writable: true, value: '' },
+		intro: { writable: true, value: '' },
+		firstChunk: { writable: true, value: chunk },
+		lastChunk: { writable: true, value: chunk },
+		lastSearchedChunk: { writable: true, value: chunk },
+		byStart: { writable: true, value: {} },
+		byEnd: { writable: true, value: {} },
+		filename: { writable: true, value: options.filename },
 		indentExclusionRanges: { writable: true, value: options.indentExclusionRanges },
-		sourcemapLocations:    { writable: true, value: new BitSet() },
-		storedNames:           { writable: true, value: {} },
-		indentStr:             { writable: true, value: guessIndent(string) }
+		sourcemapLocations: { writable: true, value: new BitSet() },
+		storedNames: { writable: true, value: {} },
+		indentStr: { writable: true, value: guessIndent(string) },
 	});
@@ -554,3 +552,3 @@
 		names: names,
-		mappings: mappings.raw
+		mappings: mappings.raw,
 	};
@@ -653,3 +651,5 @@ };
 MagicString.prototype.insert = function insert () {
-	throw new Error('magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)');
+	throw new Error(
+		'magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)'
+	);
 };
@@ -659,3 +659,5 @@
 	if (!warned.insertLeft) {
-		console.warn('magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead'); // eslint-disable-line no-console
+		console.warn(
+			'magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead'
+		); // eslint-disable-line no-console
 		warned.insertLeft = true;
@@ -669,3 +671,5 @@ }
 	if (!warned.insertRight) {
-		console.warn('magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead'); // eslint-disable-line no-console
+		console.warn(
+			'magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead'
+		); // eslint-disable-line no-console
 		warned.insertRight = true;
@@ -722,3 +726,5 @@ }
 	if (start === end)
-		{ throw new Error('Cannot overwrite a zero-length range – use appendLeft or prependRight instead'); }
+		{ throw new Error(
+			'Cannot overwrite a zero-length range – use appendLeft or prependRight instead'
+		); }
 
@@ -730,3 +736,5 @@ this._split(start);
 		if (!warned.storeName) {
-			console.warn('The final argument to magicString.overwrite(...) should be an options object. See https://github.com/rich-harris/magic-string'); // eslint-disable-line no-console
+			console.warn(
+				'The final argument to magicString.overwrite(...) should be an options object. See https://github.com/rich-harris/magic-string'
+			); // eslint-disable-line no-console
 			warned.storeName = true;
@@ -742,3 +750,3 @@ }
 		var original = this.original.slice(start, end);
-		this.storedNames[original] = true;
+		Object.defineProperty(this.storedNames, original, { writable: true, value: true, enumerable: true });
 	}
@@ -750,17 +758,12 @@
 	if (first) {
-		if (end > first.end && first.next !== this.byStart[first.end]) {
-			throw new Error('Cannot overwrite across a split point');
+		var chunk = first;
+		while (chunk !== last) {
+			if (chunk.next !== this.byStart[chunk.end]) {
+				throw new Error('Cannot overwrite across a split point');
+			}
+			chunk = chunk.next;
+			chunk.edit('', false);
 		}
 
 		first.edit(content, storeName, contentOnly);
-
-		if (first !== last) {
-			var chunk = first.next;
-			while (chunk !== last) {
-				chunk.edit('', false);
-				chunk = chunk.next;
-			}
-
-			chunk.edit('', false);
-		}
 	} else {
@@ -839,15 +842,10 @@ // must be inserting at the end
 MagicString.prototype.lastChar = function lastChar () {
-	if (this.outro.length)
-		{ return this.outro[this.outro.length - 1]; }
+	if (this.outro.length) { return this.outro[this.outro.length - 1]; }
 	var chunk = this.lastChunk;
 	do {
-		if (chunk.outro.length)
-			{ return chunk.outro[chunk.outro.length - 1]; }
-		if (chunk.content.length)
-			{ return chunk.content[chunk.content.length - 1]; }
-		if (chunk.intro.length)
-			{ return chunk.intro[chunk.intro.length - 1]; }
-	} while (chunk = chunk.previous);
-	if (this.intro.length)
-		{ return this.intro[this.intro.length - 1]; }
+		if (chunk.outro.length) { return chunk.outro[chunk.outro.length - 1]; }
+		if (chunk.content.length) { return chunk.content[chunk.content.length - 1]; }
+		if (chunk.intro.length) { return chunk.intro[chunk.intro.length - 1]; }
+	} while ((chunk = chunk.previous));
+	if (this.intro.length) { return this.intro[this.intro.length - 1]; }
 	return '';
@@ -858,4 +856,3 @@ };
 	var lineIndex = this.outro.lastIndexOf(n);
-	if (lineIndex !== -1)
-		{ return this.outro.substr(lineIndex + 1); }
+	if (lineIndex !== -1) { return this.outro.substr(lineIndex + 1); }
 	var lineStr = this.outro;
@@ -866,4 +863,3 @@ var chunk = this.lastChunk;
 			lineIndex = chunk.outro.lastIndexOf(n);
-			if (lineIndex !== -1)
-				{ return chunk.outro.substr(lineIndex + 1) + lineStr; }
+			if (lineIndex !== -1) { return chunk.outro.substr(lineIndex + 1) + lineStr; }
 			lineStr = chunk.outro + lineStr;
@@ -874,4 +870,3 @@ }
 			lineIndex = chunk.content.lastIndexOf(n);
-			if (lineIndex !== -1)
-				{ return chunk.content.substr(lineIndex + 1) + lineStr; }
+			if (lineIndex !== -1) { return chunk.content.substr(lineIndex + 1) + lineStr; }
 			lineStr = chunk.content + lineStr;
@@ -882,10 +877,8 @@ }
 			lineIndex = chunk.intro.lastIndexOf(n);
-			if (lineIndex !== -1)
-				{ return chunk.intro.substr(lineIndex + 1) + lineStr; }
+			if (lineIndex !== -1) { return chunk.intro.substr(lineIndex + 1) + lineStr; }
 			lineStr = chunk.intro + lineStr;
 		}
-	} while (chunk = chunk.previous);
+	} while ((chunk = chunk.previous));
 	lineIndex = this.intro.lastIndexOf(n);
-	if (lineIndex !== -1)
-		{ return this.intro.substr(lineIndex + 1) + lineStr; }
+	if (lineIndex !== -1) { return this.intro.substr(lineIndex + 1) + lineStr; }
 	return this.intro + lineStr;
@@ -1004,7 +997,9 @@ };
 	do {
-		if (chunk.intro.length && chunk.intro.trim() ||
-				chunk.content.length && chunk.content.trim() ||
-				chunk.outro.length && chunk.outro.trim())
+		if (
+			(chunk.intro.length && chunk.intro.trim()) ||
+			(chunk.content.length && chunk.content.trim()) ||
+			(chunk.outro.length && chunk.outro.trim())
+		)
 			{ return false; }
-	} while (chunk = chunk.next);
+	} while ((chunk = chunk.next));
 	return true;
@@ -1018,3 +1013,3 @@ };
 		length += chunk.intro.length + chunk.content.length + chunk.outro.length;
-	} while (chunk = chunk.next);
+	} while ((chunk = chunk.next));
 	return length;
@@ -1269,2 +1264,2 @@ };
 
-export default dynamicRemove;
+export { dynamicRemove as default };

tools/rollup/node/removedynamic.js

@@ -8,4 +8,4 @@ /*!
     typeof define === 'function' && define.amd ? define(factory) :
-    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, (global.Microsoft = global.Microsoft || {}, global.Microsoft['DynamicProto-Rollup'] = factory()));
-}(this, (function () { 'use strict';
+    (global = typeof globalThis !== 'undefined' ? globalThis : global || self, (global.Microsoft = global.Microsoft || {}, global.Microsoft["DynamicProto-Rollup"] = factory()));
+})(this, (function () { 'use strict';
 
@@ -95,3 +95,3 @@ var charToInteger = {};
     		previous: { writable: true, value: null },
-    		next:     { writable: true, value: null }
+    		next: { writable: true, value: null },
     	});
@@ -206,3 +206,2 @@ };
     		return true;
-
     	} else {
@@ -228,3 +227,2 @@ this.edit('', undefined, true);
     		return true;
-
     	} else {
@@ -414,3 +412,3 @@ this.edit('', undefined, true);
     	insertRight: false,
-    	storeName: false
+    	storeName: false,
     };
@@ -424,15 +422,15 @@
     	Object.defineProperties(this, {
-    		original:              { writable: true, value: string },
-    		outro:                 { writable: true, value: '' },
-    		intro:                 { writable: true, value: '' },
-    		firstChunk:            { writable: true, value: chunk },
-    		lastChunk:             { writable: true, value: chunk },
-    		lastSearchedChunk:     { writable: true, value: chunk },
-    		byStart:               { writable: true, value: {} },
-    		byEnd:                 { writable: true, value: {} },
-    		filename:              { writable: true, value: options.filename },
+    		original: { writable: true, value: string },
+    		outro: { writable: true, value: '' },
+    		intro: { writable: true, value: '' },
+    		firstChunk: { writable: true, value: chunk },
+    		lastChunk: { writable: true, value: chunk },
+    		lastSearchedChunk: { writable: true, value: chunk },
+    		byStart: { writable: true, value: {} },
+    		byEnd: { writable: true, value: {} },
+    		filename: { writable: true, value: options.filename },
     		indentExclusionRanges: { writable: true, value: options.indentExclusionRanges },
-    		sourcemapLocations:    { writable: true, value: new BitSet() },
-    		storedNames:           { writable: true, value: {} },
-    		indentStr:             { writable: true, value: guessIndent(string) }
+    		sourcemapLocations: { writable: true, value: new BitSet() },
+    		storedNames: { writable: true, value: {} },
+    		indentStr: { writable: true, value: guessIndent(string) },
     	});
@@ -561,3 +559,3 @@
     		names: names,
-    		mappings: mappings.raw
+    		mappings: mappings.raw,
     	};
@@ -660,3 +658,5 @@ };
     MagicString.prototype.insert = function insert () {
-    	throw new Error('magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)');
+    	throw new Error(
+    		'magicString.insert(...) is deprecated. Use prependRight(...) or appendLeft(...)'
+    	);
     };
@@ -666,3 +666,5 @@
     	if (!warned.insertLeft) {
-    		console.warn('magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead'); // eslint-disable-line no-console
+    		console.warn(
+    			'magicString.insertLeft(...) is deprecated. Use magicString.appendLeft(...) instead'
+    		); // eslint-disable-line no-console
     		warned.insertLeft = true;
@@ -676,3 +678,5 @@ }
     	if (!warned.insertRight) {
-    		console.warn('magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead'); // eslint-disable-line no-console
+    		console.warn(
+    			'magicString.insertRight(...) is deprecated. Use magicString.prependRight(...) instead'
+    		); // eslint-disable-line no-console
     		warned.insertRight = true;
@@ -729,3 +733,5 @@ }
     	if (start === end)
-    		{ throw new Error('Cannot overwrite a zero-length range – use appendLeft or prependRight instead'); }
+    		{ throw new Error(
+    			'Cannot overwrite a zero-length range – use appendLeft or prependRight instead'
+    		); }
 
@@ -737,3 +743,5 @@ this._split(start);
     		if (!warned.storeName) {
-    			console.warn('The final argument to magicString.overwrite(...) should be an options object. See https://github.com/rich-harris/magic-string'); // eslint-disable-line no-console
+    			console.warn(
+    				'The final argument to magicString.overwrite(...) should be an options object. See https://github.com/rich-harris/magic-string'
+    			); // eslint-disable-line no-console
     			warned.storeName = true;
@@ -749,3 +757,3 @@ }
     		var original = this.original.slice(start, end);
-    		this.storedNames[original] = true;
+    		Object.defineProperty(this.storedNames, original, { writable: true, value: true, enumerable: true });
     	}
@@ -757,17 +765,12 @@
     	if (first) {
-    		if (end > first.end && first.next !== this.byStart[first.end]) {
-    			throw new Error('Cannot overwrite across a split point');
+    		var chunk = first;
+    		while (chunk !== last) {
+    			if (chunk.next !== this.byStart[chunk.end]) {
+    				throw new Error('Cannot overwrite across a split point');
+    			}
+    			chunk = chunk.next;
+    			chunk.edit('', false);
     		}
 
     		first.edit(content, storeName, contentOnly);
-
-    		if (first !== last) {
-    			var chunk = first.next;
-    			while (chunk !== last) {
-    				chunk.edit('', false);
-    				chunk = chunk.next;
-    			}
-
-    			chunk.edit('', false);
-    		}
     	} else {
@@ -846,15 +849,10 @@ // must be inserting at the end
     MagicString.prototype.lastChar = function lastChar () {
-    	if (this.outro.length)
-    		{ return this.outro[this.outro.length - 1]; }
+    	if (this.outro.length) { return this.outro[this.outro.length - 1]; }
     	var chunk = this.lastChunk;
     	do {
-    		if (chunk.outro.length)
-    			{ return chunk.outro[chunk.outro.length - 1]; }
-    		if (chunk.content.length)
-    			{ return chunk.content[chunk.content.length - 1]; }
-    		if (chunk.intro.length)
-    			{ return chunk.intro[chunk.intro.length - 1]; }
-    	} while (chunk = chunk.previous);
-    	if (this.intro.length)
-    		{ return this.intro[this.intro.length - 1]; }
+    		if (chunk.outro.length) { return chunk.outro[chunk.outro.length - 1]; }
+    		if (chunk.content.length) { return chunk.content[chunk.content.length - 1]; }
+    		if (chunk.intro.length) { return chunk.intro[chunk.intro.length - 1]; }
+    	} while ((chunk = chunk.previous));
+    	if (this.intro.length) { return this.intro[this.intro.length - 1]; }
     	return '';
@@ -865,4 +863,3 @@ };
     	var lineIndex = this.outro.lastIndexOf(n);
-    	if (lineIndex !== -1)
-    		{ return this.outro.substr(lineIndex + 1); }
+    	if (lineIndex !== -1) { return this.outro.substr(lineIndex + 1); }
     	var lineStr = this.outro;
@@ -873,4 +870,3 @@ var chunk = this.lastChunk;
     			lineIndex = chunk.outro.lastIndexOf(n);
-    			if (lineIndex !== -1)
-    				{ return chunk.outro.substr(lineIndex + 1) + lineStr; }
+    			if (lineIndex !== -1) { return chunk.outro.substr(lineIndex + 1) + lineStr; }
     			lineStr = chunk.outro + lineStr;
@@ -881,4 +877,3 @@ }
     			lineIndex = chunk.content.lastIndexOf(n);
-    			if (lineIndex !== -1)
-    				{ return chunk.content.substr(lineIndex + 1) + lineStr; }
+    			if (lineIndex !== -1) { return chunk.content.substr(lineIndex + 1) + lineStr; }
     			lineStr = chunk.content + lineStr;
@@ -889,10 +884,8 @@ }
     			lineIndex = chunk.intro.lastIndexOf(n);
-    			if (lineIndex !== -1)
-    				{ return chunk.intro.substr(lineIndex + 1) + lineStr; }
+    			if (lineIndex !== -1) { return chunk.intro.substr(lineIndex + 1) + lineStr; }
     			lineStr = chunk.intro + lineStr;
     		}
-    	} while (chunk = chunk.previous);
+    	} while ((chunk = chunk.previous));
     	lineIndex = this.intro.lastIndexOf(n);
-    	if (lineIndex !== -1)
-    		{ return this.intro.substr(lineIndex + 1) + lineStr; }
+    	if (lineIndex !== -1) { return this.intro.substr(lineIndex + 1) + lineStr; }
     	return this.intro + lineStr;
@@ -1011,7 +1004,9 @@ };
     	do {
-    		if (chunk.intro.length && chunk.intro.trim() ||
-    				chunk.content.length && chunk.content.trim() ||
-    				chunk.outro.length && chunk.outro.trim())
+    		if (
+    			(chunk.intro.length && chunk.intro.trim()) ||
+    			(chunk.content.length && chunk.content.trim()) ||
+    			(chunk.outro.length && chunk.outro.trim())
+    		)
     			{ return false; }
-    	} while (chunk = chunk.next);
+    	} while ((chunk = chunk.next));
     	return true;
@@ -1025,3 +1020,3 @@ };
     		length += chunk.intro.length + chunk.content.length + chunk.outro.length;
-    	} while (chunk = chunk.next);
+    	} while ((chunk = chunk.next));
     	return length;
@@ -1278,2 +1273,2 @@ };
 
-})));
+}));

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Found 1 instance in 1 package

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License

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Native code

Supply chain risk

Contains native code (e.g., compiled binaries or shared libraries). Including native code can obscure malicious behavior.

Found 1 instance in 1 package

Improved metrics

Lines of code

35556

increased by0.31%

Number of medium supply chain risk alerts

3

decreased by-25%

Worsened metrics

Total package byte prevSize

4195759

decreased by-0.22%

Dev dependency count

22

increased by37.5%

No dependency changes