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Fix copy with formatting for IE #93

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merged 1 commit into from
Feb 3, 2020
Merged

Fix copy with formatting for IE #93

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2 changes: 1 addition & 1 deletion example/index.js
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32 changes: 20 additions & 12 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,12 @@

var deselectCurrent = require("toggle-selection");

var clipboardToIE11Formatting = {
"text/plain": "Text",
"text/html": "Url",
"default": "Text"
}

var defaultMessage = "Copy to clipboard: #{key}, Enter";

function format(message) {
Expand Down Expand Up @@ -46,8 +52,16 @@ function copy(text, options) {
e.stopPropagation();
if (options.format) {
e.preventDefault();
e.clipboardData.clearData();
e.clipboardData.setData(options.format, text);
if (typeof e.clipboardData === "undefined") { // IE 11
debug && console.warn("unable to use e.clipboardData");
debug && console.warn("trying IE specific stuff");
window.clipboardData.clearData();
var format = clipboardToIE11Formatting[options.format] || clipboardToIE11Formatting["default"]
window.clipboardData.setData(format, text);
} else { // all other browsers
e.clipboardData.clearData();
e.clipboardData.setData(options.format, text);
}
}
});

Expand All @@ -63,16 +77,10 @@ function copy(text, options) {
success = true;
} catch (err) {
debug && console.error("unable to copy using execCommand: ", err);
debug && console.warn("trying IE specific stuff");
try {
window.clipboardData.setData(options.format || "text", text);
success = true;
} catch (err) {
debug && console.error("unable to copy using clipboardData: ", err);
debug && console.error("falling back to prompt");
message = format("message" in options ? options.message : defaultMessage);
window.prompt(message, text);
}
debug && console.error("unable to copy using clipboardData: ", err);
debug && console.error("falling back to prompt");
message = format("message" in options ? options.message : defaultMessage);
window.prompt(message, text);
} finally {
if (selection) {
if (typeof selection.removeRange == "function") {
Expand Down