clipboard-polyfill - npm Package Compare versions

Comparing version 4.0.0-rc3 to 4.0.0-rc5

dist/es5/overwrite-globals/clipboard-polyfill.overwrite-globals.es5.js

@@ -22,29 +22,39 @@ "use strict";
 
-  // src/clipboard-polyfill/promise/constructor.ts
-  var promiseConstructorImpl = window.Promise;
+  // src/clipboard-polyfill/builtins/window-globalThis.ts
+  var originalWindow = typeof window === "undefined" ? void 0 : window;
+  var originalGlobalThis = typeof globalThis === "undefined" ? void 0 : globalThis;
+
+  // src/clipboard-polyfill/builtins/promise-constructor.ts
+  var _a, _b, _c;
+  var promiseConstructorImpl = (_c = (_a = originalWindow) == null ? void 0 : _a.Promise) != null ? _c : (_b = originalGlobalThis) == null ? void 0 : _b.Promise;
   function getPromiseConstructor() {
+    if (!promiseConstructorImpl) {
+      throw new Error(
+        "No `Promise` implementation available for `clipboard-polyfill`. Consider using: https://github.com/lgarron/clipboard-polyfill#flat-file-version-with-promise-included"
+      );
+    }
     return promiseConstructorImpl;
   }
 
-  // src/clipboard-polyfill/builtin-globals.ts
+  // src/clipboard-polyfill/builtins/builtin-globals.ts
   var originalNavigator = typeof navigator === "undefined" ? void 0 : navigator;
   var originalNavigatorClipboard = originalNavigator == null ? void 0 : originalNavigator.clipboard;
-  var _a;
-  var originalNavigatorClipboardRead = (_a = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.read) == null ? void 0 : _a.bind(
-    originalNavigatorClipboard
-  );
   var _a2;
-  var originalNavigatorClipboardReadText = (_a2 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.readText) == null ? void 0 : _a2.bind(
+  var originalNavigatorClipboardRead = (_a2 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.read) == null ? void 0 : _a2.bind(
     originalNavigatorClipboard
   );
   var _a3;
-  var originalNavigatorClipboardWrite = (_a3 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.write) == null ? void 0 : _a3.bind(
+  var originalNavigatorClipboardReadText = (_a3 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.readText) == null ? void 0 : _a3.bind(
     originalNavigatorClipboard
   );
   var _a4;
-  var originalNavigatorClipboardWriteText = (_a4 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.writeText) == null ? void 0 : _a4.bind(
+  var originalNavigatorClipboardWrite = (_a4 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.write) == null ? void 0 : _a4.bind(
     originalNavigatorClipboard
   );
-  var originalWindow = typeof window === "undefined" ? void 0 : window;
-  var originalWindowClipboardItem = originalWindow == null ? void 0 : originalWindow.ClipboardItem;
+  var _a5;
+  var originalNavigatorClipboardWriteText = (_a5 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.writeText) == null ? void 0 : _a5.bind(
+    originalNavigatorClipboard
+  );
+  var _a6;
+  var originalWindowClipboardItem = (_a6 = originalWindow) == null ? void 0 : _a6.ClipboardItem;
   var promiseConstructor = getPromiseConstructor();
@@ -55,19 +65,19 @@
   function seemToBeInIE() {
-    return typeof ClipboardEvent === "undefined" && typeof ieWindow.clipboardData !== "undefined" && typeof ieWindow.clipboardData.setData !== "undefined";
+    return typeof ClipboardEvent === "undefined" && typeof (ieWindow == null ? void 0 : ieWindow.clipboardData) !== "undefined" && typeof (ieWindow == null ? void 0 : ieWindow.clipboardData.setData) !== "undefined";
   }
   function writeTextIE(text) {
-    return ieWindow.clipboardData.setData("Text", text);
+    var success = ieWindow.clipboardData.setData("Text", text);
+    if (success) {
+      debugLog("writeTextIE worked");
+    }
+    return success;
   }
   function readTextIE() {
-    return new promiseConstructor(function(resolve, reject) {
-      var text = ieWindow.clipboardData.getData("Text");
-      if (text === "") {
-        reject(
-          new Error(
-            "Empty clipboard or could not read plain text from clipboard"
-          )
-        );
-      }
-      resolve(text);
-    });
+    var text = ieWindow.clipboardData.getData("Text");
+    if (text === "") {
+      throw new Error(
+        "Empty clipboard or could not read plain text from clipboard"
+      );
+    }
+    return text;
   }
@@ -187,2 +197,32 @@
 
+  // src/clipboard-polyfill/promise/promise-compat.ts
+  function promiseRecordMap(keys, f) {
+    var promiseList = [];
+    for (var i in keys) {
+      var key = keys[i];
+      promiseList.push(f(key));
+    }
+    return promiseConstructor.all(promiseList).then(function(vList) {
+      var dataOut = {};
+      for (var i2 = 0; i2 < keys.length; i2++) {
+        dataOut[keys[i2]] = vList[i2];
+      }
+      return dataOut;
+    });
+  }
+  var voidPromise = promiseConstructor.resolve();
+  var truePromiseFn = function() {
+    return promiseConstructor.resolve(true);
+  };
+  var falsePromise = promiseConstructor.resolve(false);
+  function rejectThrownErrors(executor) {
+    return new promiseConstructor(function(resolve, reject) {
+      try {
+        resolve(executor());
+      } catch (e) {
+        reject(e);
+      }
+    });
+  }
+
   // src/clipboard-polyfill/implementations/text.ts
@@ -195,9 +235,11 @@ function stringToStringItem(s) {
   function writeText(s) {
-    if (originalNavigatorClipboardWriteText) {
-      debugLog("Using `navigator.clipboard.writeText()`.");
-      return originalNavigatorClipboardWriteText(s).catch(
-        writeTextStringFallback
-      );
-    }
-    writeTextStringFallback(s);
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardWriteText) {
+        debugLog("Using `navigator.clipboard.writeText()`.");
+        return originalNavigatorClipboardWriteText(s).catch(
+          writeTextStringFallback
+        );
+      }
+      return promiseConstructor.resolve(writeTextStringFallback(s));
+    });
   }
@@ -210,11 +252,13 @@ function writeTextStringFallback(s) {
   function readText() {
-    if (originalNavigatorClipboardReadText) {
-      debugLog("Using `navigator.clipboard.readText()`.");
-      return originalNavigatorClipboardReadText();
-    }
-    if (seemToBeInIE()) {
-      debugLog("Reading text using IE strategy.");
-      return readTextIE();
-    }
-    throw new Error("Read is not supported in your browser.");
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardReadText) {
+        debugLog("Using `navigator.clipboard.readText()`.");
+        return originalNavigatorClipboardReadText();
+      }
+      if (seemToBeInIE()) {
+        var result = readTextIE();
+        return promiseConstructor.resolve(result);
+      }
+      throw new Error("Read is not supported in your browser.");
+    });
   }
@@ -235,3 +279,3 @@
   function ClipboardItemPolyfillImpl(items, options) {
-    var _a5;
+    var _a7;
     var types = Object.keys(items);
@@ -247,3 +291,3 @@ var _items = {};
     }
-    var presentationStyle = (_a5 = options == null ? void 0 : options.presentationStyle) != null ? _a5 : "unspecified";
+    var presentationStyle = (_a7 = options == null ? void 0 : options.presentationStyle) != null ? _a7 : "unspecified";
     function getType(type2) {
@@ -260,23 +304,2 @@ return promiseConstructor.resolve(_items[type2]);
 
-  // src/clipboard-polyfill/promise/promise-compat.ts
-  function promiseRecordMap(keys, f) {
-    var promiseList = [];
-    for (var i in keys) {
-      var key = keys[i];
-      promiseList.push(f(key));
-    }
-    return promiseConstructor.all(promiseList).then(function(vList) {
-      var dataOut = {};
-      for (var i2 = 0; i2 < keys.length; i2++) {
-        dataOut[keys[i2]] = vList[i2];
-      }
-      return dataOut;
-    });
-  }
-  var voidPromise = promiseConstructor.resolve();
-  var truePromiseFn = function() {
-    return promiseConstructor.resolve(true);
-  };
-  var falsePromise = promiseConstructor.resolve(false);
-
   // src/clipboard-polyfill/ClipboardItem/convert.ts
@@ -331,8 +354,11 @@ function stringToBlob(type, str) {
   function write(data) {
-    return function() {
+    return rejectThrownErrors(function() {
       if (originalNavigatorClipboardWrite && originalWindowClipboardItem) {
+        var originalNavigatorClipboardWriteReference = originalNavigatorClipboardWrite;
         debugLog("Using `navigator.clipboard.write()`.");
         return promiseConstructor.all(data.map(clipboardItemToGlobalClipboardItem)).then(
           function(globalClipboardItems) {
-            return originalNavigatorClipboardWrite(globalClipboardItems).then(truePromiseFn).catch(function(e) {
+            return originalNavigatorClipboardWriteReference(
+              globalClipboardItems
+            ).then(truePromiseFn).catch(function(e) {
               if (!hasItemWithType(data, TEXT_PLAIN) && !hasItemWithType(data, TEXT_HTML)) {
@@ -347,3 +373,3 @@ throw e;
       return falsePromise;
-    }().then(function(success) {
+    }).then(function(success) {
       if (success) {
@@ -366,8 +392,10 @@ return voidPromise;
   function read() {
-    if (originalNavigatorClipboardRead) {
-      debugLog("Using `navigator.clipboard.read()`.");
-      return originalNavigatorClipboardRead();
-    }
-    readText().then(function(text) {
-      return [textToClipboardItem(text)];
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardRead) {
+        debugLog("Using `navigator.clipboard.read()`.");
+        return originalNavigatorClipboardRead();
+      }
+      return readText().then(function(text) {
+        return [textToClipboardItem(text)];
+      });
     });
@@ -374,0 +402,0 @@ }

dist/es5/overwrite-globals/clipboard-polyfill.overwrite-globals.promise.es5.js

 "use strict";
 (function() {
-  // src/clipboard-polyfill/promise/constructor.ts
-  var promiseConstructorImpl = window.Promise;
+  // src/clipboard-polyfill/builtins/window-globalThis.ts
+  var originalWindow = typeof window === "undefined" ? void 0 : window;
+  var originalGlobalThis = typeof globalThis === "undefined" ? void 0 : globalThis;
+
+  // src/clipboard-polyfill/builtins/promise-constructor.ts
+  var _a, _b, _c;
+  var promiseConstructorImpl = (_c = (_a = originalWindow) == null ? void 0 : _a.Promise) != null ? _c : (_b = originalGlobalThis) == null ? void 0 : _b.Promise;
   function setPromiseConstructor(newPromiseConstructorImpl) {
@@ -9,2 +14,7 @@ return promiseConstructorImpl = newPromiseConstructorImpl;
   function getPromiseConstructor() {
+    if (!promiseConstructorImpl) {
+      throw new Error(
+        "No `Promise` implementation available for `clipboard-polyfill`. Consider using: https://github.com/lgarron/clipboard-polyfill#flat-file-version-with-promise-included"
+      );
+    }
     return promiseConstructorImpl;
@@ -275,23 +285,23 @@ }
 
-  // src/clipboard-polyfill/builtin-globals.ts
+  // src/clipboard-polyfill/builtins/builtin-globals.ts
   var originalNavigator = typeof navigator === "undefined" ? void 0 : navigator;
   var originalNavigatorClipboard = originalNavigator == null ? void 0 : originalNavigator.clipboard;
-  var _a;
-  var originalNavigatorClipboardRead = (_a = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.read) == null ? void 0 : _a.bind(
-    originalNavigatorClipboard
-  );
   var _a2;
-  var originalNavigatorClipboardReadText = (_a2 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.readText) == null ? void 0 : _a2.bind(
+  var originalNavigatorClipboardRead = (_a2 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.read) == null ? void 0 : _a2.bind(
     originalNavigatorClipboard
   );
   var _a3;
-  var originalNavigatorClipboardWrite = (_a3 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.write) == null ? void 0 : _a3.bind(
+  var originalNavigatorClipboardReadText = (_a3 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.readText) == null ? void 0 : _a3.bind(
     originalNavigatorClipboard
   );
   var _a4;
-  var originalNavigatorClipboardWriteText = (_a4 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.writeText) == null ? void 0 : _a4.bind(
+  var originalNavigatorClipboardWrite = (_a4 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.write) == null ? void 0 : _a4.bind(
     originalNavigatorClipboard
   );
-  var originalWindow = typeof window === "undefined" ? void 0 : window;
-  var originalWindowClipboardItem = originalWindow == null ? void 0 : originalWindow.ClipboardItem;
+  var _a5;
+  var originalNavigatorClipboardWriteText = (_a5 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.writeText) == null ? void 0 : _a5.bind(
+    originalNavigatorClipboard
+  );
+  var _a6;
+  var originalWindowClipboardItem = (_a6 = originalWindow) == null ? void 0 : _a6.ClipboardItem;
   var promiseConstructor = getPromiseConstructor();
@@ -321,19 +331,19 @@
   function seemToBeInIE() {
-    return typeof ClipboardEvent === "undefined" && typeof ieWindow.clipboardData !== "undefined" && typeof ieWindow.clipboardData.setData !== "undefined";
+    return typeof ClipboardEvent === "undefined" && typeof (ieWindow == null ? void 0 : ieWindow.clipboardData) !== "undefined" && typeof (ieWindow == null ? void 0 : ieWindow.clipboardData.setData) !== "undefined";
   }
   function writeTextIE(text) {
-    return ieWindow.clipboardData.setData("Text", text);
+    var success = ieWindow.clipboardData.setData("Text", text);
+    if (success) {
+      debugLog("writeTextIE worked");
+    }
+    return success;
   }
   function readTextIE() {
-    return new promiseConstructor(function(resolve2, reject2) {
-      var text = ieWindow.clipboardData.getData("Text");
-      if (text === "") {
-        reject2(
-          new Error(
-            "Empty clipboard or could not read plain text from clipboard"
-          )
-        );
-      }
-      resolve2(text);
-    });
+    var text = ieWindow.clipboardData.getData("Text");
+    if (text === "") {
+      throw new Error(
+        "Empty clipboard or could not read plain text from clipboard"
+      );
+    }
+    return text;
   }
@@ -453,2 +463,32 @@
 
+  // src/clipboard-polyfill/promise/promise-compat.ts
+  function promiseRecordMap(keys, f) {
+    var promiseList = [];
+    for (var i in keys) {
+      var key = keys[i];
+      promiseList.push(f(key));
+    }
+    return promiseConstructor.all(promiseList).then(function(vList) {
+      var dataOut = {};
+      for (var i2 = 0; i2 < keys.length; i2++) {
+        dataOut[keys[i2]] = vList[i2];
+      }
+      return dataOut;
+    });
+  }
+  var voidPromise = promiseConstructor.resolve();
+  var truePromiseFn = function() {
+    return promiseConstructor.resolve(true);
+  };
+  var falsePromise = promiseConstructor.resolve(false);
+  function rejectThrownErrors(executor) {
+    return new promiseConstructor(function(resolve2, reject2) {
+      try {
+        resolve2(executor());
+      } catch (e) {
+        reject2(e);
+      }
+    });
+  }
+
   // src/clipboard-polyfill/implementations/text.ts
@@ -461,9 +501,11 @@ function stringToStringItem(s) {
   function writeText(s) {
-    if (originalNavigatorClipboardWriteText) {
-      debugLog("Using `navigator.clipboard.writeText()`.");
-      return originalNavigatorClipboardWriteText(s).catch(
-        writeTextStringFallback
-      );
-    }
-    writeTextStringFallback(s);
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardWriteText) {
+        debugLog("Using `navigator.clipboard.writeText()`.");
+        return originalNavigatorClipboardWriteText(s).catch(
+          writeTextStringFallback
+        );
+      }
+      return promiseConstructor.resolve(writeTextStringFallback(s));
+    });
   }
@@ -476,11 +518,13 @@ function writeTextStringFallback(s) {
   function readText() {
-    if (originalNavigatorClipboardReadText) {
-      debugLog("Using `navigator.clipboard.readText()`.");
-      return originalNavigatorClipboardReadText();
-    }
-    if (seemToBeInIE()) {
-      debugLog("Reading text using IE strategy.");
-      return readTextIE();
-    }
-    throw new Error("Read is not supported in your browser.");
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardReadText) {
+        debugLog("Using `navigator.clipboard.readText()`.");
+        return originalNavigatorClipboardReadText();
+      }
+      if (seemToBeInIE()) {
+        var result = readTextIE();
+        return promiseConstructor.resolve(result);
+      }
+      throw new Error("Read is not supported in your browser.");
+    });
   }
@@ -501,3 +545,3 @@
   function ClipboardItemPolyfillImpl(items, options) {
-    var _a5;
+    var _a7;
     var types = Object.keys(items);
@@ -513,3 +557,3 @@ var _items = {};
     }
-    var presentationStyle = (_a5 = options == null ? void 0 : options.presentationStyle) != null ? _a5 : "unspecified";
+    var presentationStyle = (_a7 = options == null ? void 0 : options.presentationStyle) != null ? _a7 : "unspecified";
     function getType(type2) {
@@ -526,23 +570,2 @@ return promiseConstructor.resolve(_items[type2]);
 
-  // src/clipboard-polyfill/promise/promise-compat.ts
-  function promiseRecordMap(keys, f) {
-    var promiseList = [];
-    for (var i in keys) {
-      var key = keys[i];
-      promiseList.push(f(key));
-    }
-    return promiseConstructor.all(promiseList).then(function(vList) {
-      var dataOut = {};
-      for (var i2 = 0; i2 < keys.length; i2++) {
-        dataOut[keys[i2]] = vList[i2];
-      }
-      return dataOut;
-    });
-  }
-  var voidPromise = promiseConstructor.resolve();
-  var truePromiseFn = function() {
-    return promiseConstructor.resolve(true);
-  };
-  var falsePromise = promiseConstructor.resolve(false);
-
   // src/clipboard-polyfill/ClipboardItem/convert.ts
@@ -597,8 +620,11 @@ function stringToBlob(type, str) {
   function write(data) {
-    return function() {
+    return rejectThrownErrors(function() {
       if (originalNavigatorClipboardWrite && originalWindowClipboardItem) {
+        var originalNavigatorClipboardWriteReference = originalNavigatorClipboardWrite;
         debugLog("Using `navigator.clipboard.write()`.");
         return promiseConstructor.all(data.map(clipboardItemToGlobalClipboardItem)).then(
           function(globalClipboardItems) {
-            return originalNavigatorClipboardWrite(globalClipboardItems).then(truePromiseFn).catch(function(e) {
+            return originalNavigatorClipboardWriteReference(
+              globalClipboardItems
+            ).then(truePromiseFn).catch(function(e) {
               if (!hasItemWithType(data, TEXT_PLAIN) && !hasItemWithType(data, TEXT_HTML)) {
@@ -613,3 +639,3 @@ throw e;
       return falsePromise;
-    }().then(function(success) {
+    }).then(function(success) {
       if (success) {
@@ -632,8 +658,10 @@ return voidPromise;
   function read() {
-    if (originalNavigatorClipboardRead) {
-      debugLog("Using `navigator.clipboard.read()`.");
-      return originalNavigatorClipboardRead();
-    }
-    readText().then(function(text) {
-      return [textToClipboardItem(text)];
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardRead) {
+        debugLog("Using `navigator.clipboard.read()`.");
+        return originalNavigatorClipboardRead();
+      }
+      return readText().then(function(text) {
+        return [textToClipboardItem(text)];
+      });
     });
@@ -640,0 +668,0 @@ }

dist/es5/window-var/clipboard-polyfill.window-var.es5.js

 "use strict";
 (function() {
-  // src/clipboard-polyfill/promise/constructor.ts
-  var promiseConstructorImpl = window.Promise;
+  // src/clipboard-polyfill/builtins/window-globalThis.ts
+  var originalWindow = typeof window === "undefined" ? void 0 : window;
+  var originalGlobalThis = typeof globalThis === "undefined" ? void 0 : globalThis;
+
+  // src/clipboard-polyfill/builtins/promise-constructor.ts
+  var _a, _b, _c;
+  var promiseConstructorImpl = (_c = (_a = originalWindow) == null ? void 0 : _a.Promise) != null ? _c : (_b = originalGlobalThis) == null ? void 0 : _b.Promise;
   function getPromiseConstructor() {
+    if (!promiseConstructorImpl) {
+      throw new Error(
+        "No `Promise` implementation available for `clipboard-polyfill`. Consider using: https://github.com/lgarron/clipboard-polyfill#flat-file-version-with-promise-included"
+      );
+    }
     return promiseConstructorImpl;
   }
 
-  // src/clipboard-polyfill/builtin-globals.ts
+  // src/clipboard-polyfill/builtins/builtin-globals.ts
   var originalNavigator = typeof navigator === "undefined" ? void 0 : navigator;
   var originalNavigatorClipboard = originalNavigator == null ? void 0 : originalNavigator.clipboard;
-  var _a;
-  var originalNavigatorClipboardRead = (_a = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.read) == null ? void 0 : _a.bind(
-    originalNavigatorClipboard
-  );
   var _a2;
-  var originalNavigatorClipboardReadText = (_a2 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.readText) == null ? void 0 : _a2.bind(
+  var originalNavigatorClipboardRead = (_a2 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.read) == null ? void 0 : _a2.bind(
     originalNavigatorClipboard
   );
   var _a3;
-  var originalNavigatorClipboardWrite = (_a3 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.write) == null ? void 0 : _a3.bind(
+  var originalNavigatorClipboardReadText = (_a3 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.readText) == null ? void 0 : _a3.bind(
     originalNavigatorClipboard
   );
   var _a4;
-  var originalNavigatorClipboardWriteText = (_a4 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.writeText) == null ? void 0 : _a4.bind(
+  var originalNavigatorClipboardWrite = (_a4 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.write) == null ? void 0 : _a4.bind(
     originalNavigatorClipboard
   );
-  var originalWindow = typeof window === "undefined" ? void 0 : window;
-  var originalWindowClipboardItem = originalWindow == null ? void 0 : originalWindow.ClipboardItem;
+  var _a5;
+  var originalNavigatorClipboardWriteText = (_a5 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.writeText) == null ? void 0 : _a5.bind(
+    originalNavigatorClipboard
+  );
+  var _a6;
+  var originalWindowClipboardItem = (_a6 = originalWindow) == null ? void 0 : _a6.ClipboardItem;
   var promiseConstructor = getPromiseConstructor();
@@ -56,2 +66,11 @@
   var falsePromise = promiseConstructor.resolve(false);
+  function rejectThrownErrors(executor) {
+    return new promiseConstructor(function(resolve, reject) {
+      try {
+        resolve(executor());
+      } catch (e) {
+        reject(e);
+      }
+    });
+  }
 
@@ -107,3 +126,3 @@ // src/clipboard-polyfill/ClipboardItem/convert.ts
   function ClipboardItemPolyfillImpl(items, options) {
-    var _a5;
+    var _a7;
     var types = Object.keys(items);
@@ -119,3 +138,3 @@ var _items = {};
     }
-    var presentationStyle = (_a5 = options == null ? void 0 : options.presentationStyle) != null ? _a5 : "unspecified";
+    var presentationStyle = (_a7 = options == null ? void 0 : options.presentationStyle) != null ? _a7 : "unspecified";
     function getType(type2) {
@@ -167,19 +186,19 @@ return promiseConstructor.resolve(_items[type2]);
   function seemToBeInIE() {
-    return typeof ClipboardEvent === "undefined" && typeof ieWindow.clipboardData !== "undefined" && typeof ieWindow.clipboardData.setData !== "undefined";
+    return typeof ClipboardEvent === "undefined" && typeof (ieWindow == null ? void 0 : ieWindow.clipboardData) !== "undefined" && typeof (ieWindow == null ? void 0 : ieWindow.clipboardData.setData) !== "undefined";
   }
   function writeTextIE(text) {
-    return ieWindow.clipboardData.setData("Text", text);
+    var success = ieWindow.clipboardData.setData("Text", text);
+    if (success) {
+      debugLog("writeTextIE worked");
+    }
+    return success;
   }
   function readTextIE() {
-    return new promiseConstructor(function(resolve, reject) {
-      var text = ieWindow.clipboardData.getData("Text");
-      if (text === "") {
-        reject(
-          new Error(
-            "Empty clipboard or could not read plain text from clipboard"
-          )
-        );
-      }
-      resolve(text);
-    });
+    var text = ieWindow.clipboardData.getData("Text");
+    if (text === "") {
+      throw new Error(
+        "Empty clipboard or could not read plain text from clipboard"
+      );
+    }
+    return text;
   }
@@ -306,9 +325,11 @@
   function writeText(s) {
-    if (originalNavigatorClipboardWriteText) {
-      debugLog("Using `navigator.clipboard.writeText()`.");
-      return originalNavigatorClipboardWriteText(s).catch(
-        writeTextStringFallback
-      );
-    }
-    writeTextStringFallback(s);
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardWriteText) {
+        debugLog("Using `navigator.clipboard.writeText()`.");
+        return originalNavigatorClipboardWriteText(s).catch(
+          writeTextStringFallback
+        );
+      }
+      return promiseConstructor.resolve(writeTextStringFallback(s));
+    });
   }
@@ -321,11 +342,13 @@ function writeTextStringFallback(s) {
   function readText() {
-    if (originalNavigatorClipboardReadText) {
-      debugLog("Using `navigator.clipboard.readText()`.");
-      return originalNavigatorClipboardReadText();
-    }
-    if (seemToBeInIE()) {
-      debugLog("Reading text using IE strategy.");
-      return readTextIE();
-    }
-    throw new Error("Read is not supported in your browser.");
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardReadText) {
+        debugLog("Using `navigator.clipboard.readText()`.");
+        return originalNavigatorClipboardReadText();
+      }
+      if (seemToBeInIE()) {
+        var result = readTextIE();
+        return promiseConstructor.resolve(result);
+      }
+      throw new Error("Read is not supported in your browser.");
+    });
   }
@@ -335,8 +358,11 @@
   function write(data) {
-    return function() {
+    return rejectThrownErrors(function() {
       if (originalNavigatorClipboardWrite && originalWindowClipboardItem) {
+        var originalNavigatorClipboardWriteReference = originalNavigatorClipboardWrite;
         debugLog("Using `navigator.clipboard.write()`.");
         return promiseConstructor.all(data.map(clipboardItemToGlobalClipboardItem)).then(
           function(globalClipboardItems) {
-            return originalNavigatorClipboardWrite(globalClipboardItems).then(truePromiseFn).catch(function(e) {
+            return originalNavigatorClipboardWriteReference(
+              globalClipboardItems
+            ).then(truePromiseFn).catch(function(e) {
               if (!hasItemWithType(data, TEXT_PLAIN) && !hasItemWithType(data, TEXT_HTML)) {
@@ -351,3 +377,3 @@ throw e;
       return falsePromise;
-    }().then(function(success) {
+    }).then(function(success) {
       if (success) {
@@ -370,8 +396,10 @@ return voidPromise;
   function read() {
-    if (originalNavigatorClipboardRead) {
-      debugLog("Using `navigator.clipboard.read()`.");
-      return originalNavigatorClipboardRead();
-    }
-    readText().then(function(text) {
-      return [textToClipboardItem(text)];
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardRead) {
+        debugLog("Using `navigator.clipboard.read()`.");
+        return originalNavigatorClipboardRead();
+      }
+      return readText().then(function(text) {
+        return [textToClipboardItem(text)];
+      });
     });
@@ -378,0 +406,0 @@ }

dist/es5/window-var/clipboard-polyfill.window-var.promise.es5.js

 "use strict";
 (function() {
-  // src/clipboard-polyfill/promise/constructor.ts
-  var promiseConstructorImpl = window.Promise;
+  // src/clipboard-polyfill/builtins/window-globalThis.ts
+  var originalWindow = typeof window === "undefined" ? void 0 : window;
+  var originalGlobalThis = typeof globalThis === "undefined" ? void 0 : globalThis;
+
+  // src/clipboard-polyfill/builtins/promise-constructor.ts
+  var _a, _b, _c;
+  var promiseConstructorImpl = (_c = (_a = originalWindow) == null ? void 0 : _a.Promise) != null ? _c : (_b = originalGlobalThis) == null ? void 0 : _b.Promise;
   function setPromiseConstructor(newPromiseConstructorImpl) {
@@ -9,2 +14,7 @@ return promiseConstructorImpl = newPromiseConstructorImpl;
   function getPromiseConstructor() {
+    if (!promiseConstructorImpl) {
+      throw new Error(
+        "No `Promise` implementation available for `clipboard-polyfill`. Consider using: https://github.com/lgarron/clipboard-polyfill#flat-file-version-with-promise-included"
+      );
+    }
     return promiseConstructorImpl;
@@ -275,23 +285,23 @@ }
 
-  // src/clipboard-polyfill/builtin-globals.ts
+  // src/clipboard-polyfill/builtins/builtin-globals.ts
   var originalNavigator = typeof navigator === "undefined" ? void 0 : navigator;
   var originalNavigatorClipboard = originalNavigator == null ? void 0 : originalNavigator.clipboard;
-  var _a;
-  var originalNavigatorClipboardRead = (_a = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.read) == null ? void 0 : _a.bind(
-    originalNavigatorClipboard
-  );
   var _a2;
-  var originalNavigatorClipboardReadText = (_a2 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.readText) == null ? void 0 : _a2.bind(
+  var originalNavigatorClipboardRead = (_a2 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.read) == null ? void 0 : _a2.bind(
     originalNavigatorClipboard
   );
   var _a3;
-  var originalNavigatorClipboardWrite = (_a3 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.write) == null ? void 0 : _a3.bind(
+  var originalNavigatorClipboardReadText = (_a3 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.readText) == null ? void 0 : _a3.bind(
     originalNavigatorClipboard
   );
   var _a4;
-  var originalNavigatorClipboardWriteText = (_a4 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.writeText) == null ? void 0 : _a4.bind(
+  var originalNavigatorClipboardWrite = (_a4 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.write) == null ? void 0 : _a4.bind(
     originalNavigatorClipboard
   );
-  var originalWindow = typeof window === "undefined" ? void 0 : window;
-  var originalWindowClipboardItem = originalWindow == null ? void 0 : originalWindow.ClipboardItem;
+  var _a5;
+  var originalNavigatorClipboardWriteText = (_a5 = originalNavigatorClipboard == null ? void 0 : originalNavigatorClipboard.writeText) == null ? void 0 : _a5.bind(
+    originalNavigatorClipboard
+  );
+  var _a6;
+  var originalWindowClipboardItem = (_a6 = originalWindow) == null ? void 0 : _a6.ClipboardItem;
   var promiseConstructor = getPromiseConstructor();
@@ -323,2 +333,11 @@
   var falsePromise = promiseConstructor.resolve(false);
+  function rejectThrownErrors(executor) {
+    return new promiseConstructor(function(resolve2, reject2) {
+      try {
+        resolve2(executor());
+      } catch (e) {
+        reject2(e);
+      }
+    });
+  }
 
@@ -374,3 +393,3 @@ // src/clipboard-polyfill/ClipboardItem/convert.ts
   function ClipboardItemPolyfillImpl(items, options) {
-    var _a5;
+    var _a7;
     var types = Object.keys(items);
@@ -386,3 +405,3 @@ var _items = {};
     }
-    var presentationStyle = (_a5 = options == null ? void 0 : options.presentationStyle) != null ? _a5 : "unspecified";
+    var presentationStyle = (_a7 = options == null ? void 0 : options.presentationStyle) != null ? _a7 : "unspecified";
     function getType(type2) {
@@ -434,19 +453,19 @@ return promiseConstructor.resolve(_items[type2]);
   function seemToBeInIE() {
-    return typeof ClipboardEvent === "undefined" && typeof ieWindow.clipboardData !== "undefined" && typeof ieWindow.clipboardData.setData !== "undefined";
+    return typeof ClipboardEvent === "undefined" && typeof (ieWindow == null ? void 0 : ieWindow.clipboardData) !== "undefined" && typeof (ieWindow == null ? void 0 : ieWindow.clipboardData.setData) !== "undefined";
   }
   function writeTextIE(text) {
-    return ieWindow.clipboardData.setData("Text", text);
+    var success = ieWindow.clipboardData.setData("Text", text);
+    if (success) {
+      debugLog("writeTextIE worked");
+    }
+    return success;
   }
   function readTextIE() {
-    return new promiseConstructor(function(resolve2, reject2) {
-      var text = ieWindow.clipboardData.getData("Text");
-      if (text === "") {
-        reject2(
-          new Error(
-            "Empty clipboard or could not read plain text from clipboard"
-          )
-        );
-      }
-      resolve2(text);
-    });
+    var text = ieWindow.clipboardData.getData("Text");
+    if (text === "") {
+      throw new Error(
+        "Empty clipboard or could not read plain text from clipboard"
+      );
+    }
+    return text;
   }
@@ -573,9 +592,11 @@
   function writeText(s) {
-    if (originalNavigatorClipboardWriteText) {
-      debugLog("Using `navigator.clipboard.writeText()`.");
-      return originalNavigatorClipboardWriteText(s).catch(
-        writeTextStringFallback
-      );
-    }
-    writeTextStringFallback(s);
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardWriteText) {
+        debugLog("Using `navigator.clipboard.writeText()`.");
+        return originalNavigatorClipboardWriteText(s).catch(
+          writeTextStringFallback
+        );
+      }
+      return promiseConstructor.resolve(writeTextStringFallback(s));
+    });
   }
@@ -588,11 +609,13 @@ function writeTextStringFallback(s) {
   function readText() {
-    if (originalNavigatorClipboardReadText) {
-      debugLog("Using `navigator.clipboard.readText()`.");
-      return originalNavigatorClipboardReadText();
-    }
-    if (seemToBeInIE()) {
-      debugLog("Reading text using IE strategy.");
-      return readTextIE();
-    }
-    throw new Error("Read is not supported in your browser.");
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardReadText) {
+        debugLog("Using `navigator.clipboard.readText()`.");
+        return originalNavigatorClipboardReadText();
+      }
+      if (seemToBeInIE()) {
+        var result = readTextIE();
+        return promiseConstructor.resolve(result);
+      }
+      throw new Error("Read is not supported in your browser.");
+    });
   }
@@ -602,8 +625,11 @@
   function write(data) {
-    return function() {
+    return rejectThrownErrors(function() {
       if (originalNavigatorClipboardWrite && originalWindowClipboardItem) {
+        var originalNavigatorClipboardWriteReference = originalNavigatorClipboardWrite;
         debugLog("Using `navigator.clipboard.write()`.");
         return promiseConstructor.all(data.map(clipboardItemToGlobalClipboardItem)).then(
           function(globalClipboardItems) {
-            return originalNavigatorClipboardWrite(globalClipboardItems).then(truePromiseFn).catch(function(e) {
+            return originalNavigatorClipboardWriteReference(
+              globalClipboardItems
+            ).then(truePromiseFn).catch(function(e) {
               if (!hasItemWithType(data, TEXT_PLAIN) && !hasItemWithType(data, TEXT_HTML)) {
@@ -618,3 +644,3 @@ throw e;
       return falsePromise;
-    }().then(function(success) {
+    }).then(function(success) {
       if (success) {
@@ -637,8 +663,10 @@ return voidPromise;
   function read() {
-    if (originalNavigatorClipboardRead) {
-      debugLog("Using `navigator.clipboard.read()`.");
-      return originalNavigatorClipboardRead();
-    }
-    readText().then(function(text) {
-      return [textToClipboardItem(text)];
+    return rejectThrownErrors(function() {
+      if (originalNavigatorClipboardRead) {
+        debugLog("Using `navigator.clipboard.read()`.");
+        return originalNavigatorClipboardRead();
+      }
+      return readText().then(function(text) {
+        return [textToClipboardItem(text)];
+      });
     });
@@ -645,0 +673,0 @@ }

dist/es6/clipboard-polyfill.es6.js

@@ -5,2 +5,3 @@ import {
   debugLog,
+  falsePromise,
   originalNavigatorClipboardRead,
@@ -10,9 +11,13 @@ originalNavigatorClipboardWrite,
   promiseConstructor,
+  promiseRecordMap,
   readText,
+  rejectThrownErrors,
   setDebugLog,
   shouldShowWarnings,
   suppressWarnings,
+  truePromiseFn,
+  voidPromise,
   writeFallback,
   writeText
-} from "./chunk-ABKG7VJV.js";
+} from "./chunk-ZMZD3ZPV.js";
 
@@ -55,21 +60,2 @@ // src/clipboard-polyfill/ClipboardItem/check.ts
 
-// src/clipboard-polyfill/promise/promise-compat.ts
-function promiseRecordMap(keys, f) {
-  var promiseList = [];
-  for (var i in keys) {
-    var key = keys[i];
-    promiseList.push(f(key));
-  }
-  return promiseConstructor.all(promiseList).then((vList) => {
-    var dataOut = {};
-    for (var i2 = 0; i2 < keys.length; i2++) {
-      dataOut[keys[i2]] = vList[i2];
-    }
-    return dataOut;
-  });
-}
-var voidPromise = promiseConstructor.resolve();
-var truePromiseFn = () => promiseConstructor.resolve(true);
-var falsePromise = promiseConstructor.resolve(false);
-
 // src/clipboard-polyfill/ClipboardItem/convert.ts
@@ -124,8 +110,11 @@ function stringToBlob(type, str) {
 function write(data) {
-  return (() => {
+  return rejectThrownErrors(() => {
     if (originalNavigatorClipboardWrite && originalWindowClipboardItem) {
+      var originalNavigatorClipboardWriteReference = originalNavigatorClipboardWrite;
       debugLog("Using `navigator.clipboard.write()`.");
       return promiseConstructor.all(data.map(clipboardItemToGlobalClipboardItem)).then(
         (globalClipboardItems) => {
-          return originalNavigatorClipboardWrite(globalClipboardItems).then(truePromiseFn).catch((e) => {
+          return originalNavigatorClipboardWriteReference(
+            globalClipboardItems
+          ).then(truePromiseFn).catch((e) => {
             if (!hasItemWithType(data, TEXT_PLAIN) && !hasItemWithType(data, TEXT_HTML)) {
@@ -140,3 +129,3 @@ throw e;
     return falsePromise;
-  })().then((success) => {
+  }).then((success) => {
     if (success) {
@@ -159,8 +148,10 @@ return voidPromise;
 function read() {
-  if (originalNavigatorClipboardRead) {
-    debugLog("Using `navigator.clipboard.read()`.");
-    return originalNavigatorClipboardRead();
-  }
-  readText().then((text) => {
-    return [textToClipboardItem(text)];
+  return rejectThrownErrors(() => {
+    if (originalNavigatorClipboardRead) {
+      debugLog("Using `navigator.clipboard.read()`.");
+      return originalNavigatorClipboardRead();
+    }
+    return readText().then((text) => {
+      return [textToClipboardItem(text)];
+    });
   });
@@ -167,0 +158,0 @@ }

dist/es6/clipboard-polyfill.text.es6.js

@@ -5,3 +5,3 @@ import {
   writeText
-} from "./chunk-ABKG7VJV.js";
+} from "./chunk-ZMZD3ZPV.js";
 export {
@@ -8,0 +8,0 @@ readText,

dist/types/entries/es5/overwrite-globals.promise.d.ts

 import "../../promise/set-promise-polyfill-if-needed";
-import "../../builtin-globals";
+import "../../builtins/builtin-globals";
 import "./overwrite-globals";

dist/types/promise/promise-compat.d.ts

@@ -5,1 +5,2 @@ export declare function promiseRecordMap<T>(keys: readonly string[], f: (key: string) => Promise<T>): Promise<Record<string, T>>;
 export declare var falsePromise: Promise<boolean>;
+export declare function rejectThrownErrors<T>(executor: () => Promise<T>): Promise<T>;

dist/types/strategies/internet-explorer.d.ts

 export declare function seemToBeInIE(): boolean;
 export declare function writeTextIE(text: string): boolean;
-export declare function readTextIE(): Promise<string>;
+export declare function readTextIE(): string;

package.json

 {
   "name": "clipboard-polyfill",
-  "version": "4.0.0-rc3",
+  "version": "4.0.0-rc5",
   "description": "A polyfill for the asynchronous clipboard API",
   "type": "module",
   "devDependencies": {
+    "@types/node": "^18.11.18",
     "barely-a-dev-server": "^0.4.7",
@@ -44,3 +45,5 @@ "esbuild": "^0.16.4",
     "build-demo": "node script/build-demo.js",
-    "test": "npm run build && npm run build-demo && npm run lint",
+    "test": "npm run build && npm run build-demo && npm run lint && npm run test-no-es6-browser-globals",
+    "mock-test": "./script/mock-test.bash",
+    "test-no-es6-browser-globals": "node dist/es6/clipboard-polyfill.es6.js && node dist/es6/clipboard-polyfill.text.es6.js",
     "dev": "node script/dev.js",
@@ -47,0 +50,0 @@ "lint": "npx rome check ./script ./src",

README.md

@@ -5,7 +5,13 @@ ![Logo for clipboard-polyfill: an icon of a clipboard fading into a drafting paper grid.](clipboard-polyfill-logo.svg)
 
-## ⚠️⚠️⚠️ DEPRECATED ⚠️⚠️⚠️
+## ⚠️ You don't need `clipboard-polyfill` to copy text! ⚠️
 
-I am in the process of deprecating `clipboard-polyfill`, since it has finished serving its purpose of providing a simple, safe clipboard API in lieu of browser support.
 
-| Browser | First version supporting<br>`navigator.clipboard.writeText()` | Release Date |
+Note: As of 2021, you can use `navigator.clipboard.writeText(...)` [in the stable versions of all major browsers](https://caniuse.com/mdn-api_clipboard_writetext). This library will only be useful to you if you want to:
+
+- target older browsers (see below for compatibility) for text copy,
+- copy `text/html` in Firefox,
+- use the `ClipboardItem` API in Firefox, or
+- polyfill the API shape in a non-browser environment (e.g. in [`jsdom`](https://github.com/jsdom/jsdom/issues/1568)).
+
+| Browser | First version supporting<br>`navigator.clipboard.writeText(...)` | Release Date |
 | ------- | ------------------------------------------------------------- | ------------ |
@@ -38,8 +44,8 @@ | Chrome  | 66+                                                           | April 2018   |
 
-    clipboard.writeText("hello world");
+```js
+clipboard.writeText("hello world");
+```
 
 This library is a [ponyfill](https://github.com/sindresorhus/ponyfill)/polyfill for the modern `Promise`-based [asynchronous clipboard API](https://www.w3.org/TR/clipboard-apis/#async-clipboard-api).
 
-Note: As of 2021, you can use `navigator.clipboard` [in the stable versions of all major browsers](https://caniuse.com/mdn-api_clipboard_writetext). This library will only be useful to you if you need to target older browsers (see below for compatibility).
-
 ## Usage
@@ -46,0 +52,0 @@

src/clipboard-polyfill/ClipboardItem/ClipboardItemPolyfill.ts

@@ -1,2 +0,2 @@
-import { promiseConstructor } from "../builtin-globals";
+import { promiseConstructor } from "../builtins/builtin-globals";
 import { stringToBlob } from "./convert";
@@ -3,0 +3,0 @@ import {

src/clipboard-polyfill/ClipboardItem/convert.ts

@@ -7,3 +7,3 @@ import { ClipboardItemPolyfill } from "./ClipboardItemPolyfill";
   originalWindowClipboardItem,
-} from "../builtin-globals";
+} from "../builtins/builtin-globals";
 import { promiseRecordMap } from "../promise/promise-compat";
@@ -10,0 +10,0 @@

src/clipboard-polyfill/entries/es5/overwrite-globals.promise.ts

 // Set the Promise polyfill before globals.
 import "../../promise/set-promise-polyfill-if-needed";
 // Import `./globals` that the globals are cached before this runs.
-import "../../builtin-globals";
+import "../../builtins/builtin-globals";
 
@@ -10,6 +10,2 @@ import { PromisePolyfillConstructor } from "../../promise/polyfill";
 
-// declare global {
-//   // rome-ignore lint/suspicious/noShadowRestrictedNames: This is where we export `Promise`.
-//   var Promise: PromiseConstructor;
-// }
 (window as any).Promise = PromisePolyfillConstructor;

src/clipboard-polyfill/entries/es5/overwrite-globals.ts

@@ -5,10 +5,2 @@ import { readText, writeText } from "../../implementations/text";
 
-// declare global {
-//   // const ClipboardItem: ClipboardItemConstructor;
-//   interface Window {
-//     ClipboardItem: ClipboardItemConstructor;
-//   }
-//   interface Clipboard extends ClipboardInterface {}
-// }
-
 // Create the `navigator.clipboard` object if it doesn't exist.
@@ -15,0 +7,0 @@ if (!navigator.clipboard) {

src/clipboard-polyfill/implementations/blob.ts

@@ -16,5 +16,6 @@ import { hasItemWithType } from "../ClipboardItem/check";
   originalWindowClipboardItem,
-} from "../builtin-globals";
+} from "../builtins/builtin-globals";
 import {
   falsePromise,
+  rejectThrownErrors,
   truePromiseFn,
@@ -29,4 +30,7 @@ voidPromise,
   // TODO: detect `text/html`.
-  return ((): Promise<boolean> => {
+  return rejectThrownErrors((): Promise<boolean> => {
     if (originalNavigatorClipboardWrite && originalWindowClipboardItem) {
+      // TODO: This reference is a workaround for TypeScript inference.
+      var originalNavigatorClipboardWriteReference =
+        originalNavigatorClipboardWrite;
       debugLog("Using `navigator.clipboard.write()`.");
@@ -39,3 +43,5 @@ return promiseConstructor
           ): Promise<boolean> => {
-            return originalNavigatorClipboardWrite(globalClipboardItems)
+            return originalNavigatorClipboardWriteReference(
+              globalClipboardItems,
+            )
               .then(truePromiseFn)
@@ -59,3 +65,3 @@ .catch((e: Error): Promise<boolean> => {
     return falsePromise;
-  })().then((success: boolean) => {
+  }).then((success: boolean) => {
     if (success) {
@@ -84,12 +90,14 @@ return voidPromise;
 export function read(): Promise<ClipboardItems> {
-  // Use the browser implementation if it exists.
-  if (originalNavigatorClipboardRead) {
-    debugLog("Using `navigator.clipboard.read()`.");
-    return originalNavigatorClipboardRead();
-  }
+  return rejectThrownErrors(() => {
+    // Use the browser implementation if it exists.
+    if (originalNavigatorClipboardRead) {
+      debugLog("Using `navigator.clipboard.read()`.");
+      return originalNavigatorClipboardRead();
+    }
 
-  // Fallback to reading text only.
-  readText().then((text: string) => {
-    return [textToClipboardItem(text)];
+    // Fallback to reading text only.
+    return readText().then((text: string) => {
+      return [textToClipboardItem(text)];
+    });
   });
 }

src/clipboard-polyfill/implementations/text.ts

@@ -7,5 +7,7 @@ import { StringItem } from "../ClipboardItem/convert";
   originalNavigatorClipboardWriteText,
-} from "../builtin-globals";
+  promiseConstructor,
+} from "../builtins/builtin-globals";
 import { readTextIE, seemToBeInIE } from "../strategies/internet-explorer";
 import { writeFallback } from "./write-fallback";
+import { rejectThrownErrors } from "../promise/promise-compat";
 
@@ -19,10 +21,12 @@ function stringToStringItem(s: string): StringItem {
 export function writeText(s: string): Promise<void> {
-  // Use the browser implementation if it exists.
-  if (originalNavigatorClipboardWriteText) {
-    debugLog("Using `navigator.clipboard.writeText()`.");
-    return originalNavigatorClipboardWriteText(s).catch(
-      writeTextStringFallback,
-    );
-  }
-  writeTextStringFallback(s);
+  return rejectThrownErrors(() => {
+    // Use the browser implementation if it exists.
+    if (originalNavigatorClipboardWriteText) {
+      debugLog("Using `navigator.clipboard.writeText()`.");
+      return originalNavigatorClipboardWriteText(s).catch(
+        writeTextStringFallback,
+      );
+    }
+    return promiseConstructor.resolve(writeTextStringFallback(s));
+  });
 }
@@ -37,15 +41,17 @@
 export function readText(): Promise<string> {
-  // Use the browser implementation if it exists.
-  if (originalNavigatorClipboardReadText) {
-    debugLog("Using `navigator.clipboard.readText()`.");
-    return originalNavigatorClipboardReadText();
-  }
+  return rejectThrownErrors(() => {
+    // Use the browser implementation if it exists.
+    if (originalNavigatorClipboardReadText) {
+      debugLog("Using `navigator.clipboard.readText()`.");
+      return originalNavigatorClipboardReadText();
+    }
 
-  // Fallback for IE.
-  if (seemToBeInIE()) {
-    debugLog("Reading text using IE strategy.");
-    return readTextIE();
-  }
+    // Fallback for IE.
+    if (seemToBeInIE()) {
+      var result = readTextIE();
+      return promiseConstructor.resolve(result);
+    }
 
-  throw new Error("Read is not supported in your browser.");
+    throw new Error("Read is not supported in your browser.");
+  });
 }

src/clipboard-polyfill/promise/polyfill.ts

@@ -332,3 +332,3 @@ import type { PromiseConstructor } from "./es6-promise";
 // Set the Promise polyfill before getting globals.
-import { setPromiseConstructor } from "../promise/constructor";
+import { setPromiseConstructor } from "../builtins/promise-constructor";
 setPromiseConstructor(PromisePolyfillConstructor);

src/clipboard-polyfill/promise/promise-compat.ts

@@ -1,2 +0,2 @@
-import { promiseConstructor } from "../builtin-globals";
+import { promiseConstructor } from "../builtins/builtin-globals";
 
@@ -27,1 +27,11 @@ export function promiseRecordMap<T>(
 export var falsePromise: Promise<boolean> = promiseConstructor.resolve(false);
+
+export function rejectThrownErrors<T>(executor: () => Promise<T>): Promise<T> {
+  return new promiseConstructor((resolve, reject) => {
+    try {
+      resolve(executor());
+    } catch (e) {
+      reject(e);
+    }
+  });
+}

src/clipboard-polyfill/promise/set-promise-polyfill-if-needed.ts

@@ -1,4 +0,4 @@
-import { setPromiseConstructor } from "./constructor";
+import { setPromiseConstructor } from "../builtins/promise-constructor";
 import { PromisePolyfillConstructor } from "./polyfill";
 
 (window as any).Promise || setPromiseConstructor(PromisePolyfillConstructor);

src/clipboard-polyfill/strategies/internet-explorer.ts

@@ -1,2 +0,3 @@
-import { promiseConstructor, originalWindow } from "../builtin-globals";
+import { originalWindow } from "../builtins/window-globalThis";
+import { debugLog } from "../debug";
 
@@ -11,3 +12,3 @@ interface IEWindow extends Window {
 
-var ieWindow = originalWindow as any as IEWindow;
+var ieWindow = originalWindow as IEWindow | undefined;
 
@@ -17,4 +18,4 @@ export function seemToBeInIE(): boolean {
     typeof ClipboardEvent === "undefined" &&
-    typeof ieWindow.clipboardData !== "undefined" &&
-    typeof ieWindow.clipboardData.setData !== "undefined"
+    typeof ieWindow?.clipboardData !== "undefined" &&
+    typeof ieWindow?.clipboardData.setData !== "undefined"
   );
@@ -26,18 +27,18 @@ }
   // TODO: Write URLs to `text/uri-list`? https://developer.mozilla.org/en-US/docs/Web/API/HTML_Drag_and_Drop_API/Recommended_drag_types
-  return ieWindow.clipboardData.setData("Text", text);
+  var success = ieWindow!.clipboardData.setData("Text", text);
+  if (success) {
+    debugLog("writeTextIE worked");
+  }
+  return success;
 }
 
 // Returns "" if the read failed, e.g. because the user rejected the permission.
-export function readTextIE(): Promise<string> {
-  return new promiseConstructor((resolve, reject) => {
-    var text = ieWindow.clipboardData.getData("Text");
-    if (text === "") {
-      reject(
-        new Error(
-          "Empty clipboard or could not read plain text from clipboard",
-        ),
-      );
-    }
-    resolve(text);
-  });
+export function readTextIE(): string {
+  var text = ieWindow!.clipboardData.getData("Text");
+  if (text === "") {
+    throw new Error(
+      "Empty clipboard or could not read plain text from clipboard",
+    );
+  }
+  return text;
 }

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