commit ec4daf2268cc6f69a703b522b202f1fc1b624b76
Author: Ray <sympatheticfire@gmail.com>
Date:   Thu Feb 1 00:53:14 2024 +0000

    Initial commit

diff --git a/background.js b/background.js
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--- /dev/null
+++ b/background.js
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+chrome.runtime.onInstalled.addListener(function() {
+	chrome.contextMenus.create({ "id": "copy_form", "title": "Copy Form", "contexts": ["editable"] });
+	chrome.contextMenus.create({ "id": "paste_form", "title": "Paste Form", "contexts": ["editable"], enabled: false });
+});
+
+chrome.contextMenus.onClicked.addListener(function(msg, tab) {
+	switch (msg.menuItemId) {
+		case "copy_form":
+			copyFormContextMenu(tab);
+			break;
+		case "paste_form":
+			pastFormContextMenu(tab);
+			break;
+		default: break;
+	}
+});
+
+
+
+
+function copyFormContextMenu(tab) {
+	chrome.tabs.sendMessage(tab.id, { action: "copy" }, function(response) {
+		if (response) {
+			chrome.storage.local.set({ 'clipboard': JSON.stringify(response) },function() {
+				chrome.contextMenus.update("paste_form", { enabled: true });
+			});
+		} else {
+			// Reload required
+		}
+	});
+}
+
+function pastFormContextMenu(tab) {
+	chrome.storage.local.get('clipboard', function(response) {
+		try {
+			let msgData = JSON.parse(response.clipboard);
+			msgData.action = "paste";
+
+			chrome.tabs.sendMessage(tab.id, msgData);
+		} catch (err) {
+			// Do nothing
+		}
+	});
+}
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diff --git a/content.js b/content.js
new file mode 100644
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--- /dev/null
+++ b/content.js
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+chrome.runtime.onMessage.addListener(function(request, sender, sendResponse) {
+
+	const parentForm = getParentFormNode(document.activeElement);
+	if (parentForm == null) {
+		console.log("Form not found");
+		return;
+	}
+
+	switch (request.action) {
+		case "copy":
+			const result = buildFormValueSet(parentForm, "input", "select", "textarea");
+
+			console.log(result);
+
+			sendResponse(result);
+
+			break;
+		case "paste":
+			delete request.pasteForm;
+
+			// console.log(request);
+
+			for (let key in request) {
+				if (String.isNullOrWhitespace(key)) {
+					continue;
+				}
+
+				const dataType = checkDataType(request[key]);
+				if (dataType == "object") {
+					continue;
+				}
+
+				const foundElements = parentForm.querySelectorAll("[name='" + key + "']");
+				if (foundElements.length <= 0) {
+					continue;
+				}
+
+				if (dataType == "array") {
+					setFormElementValues(foundElements, request[key]);
+				} else {
+					for (let x=0; x<foundElements.length; x++) {
+						setFormElementValue(foundElements[x], request[key]);
+					}
+				}
+			}
+
+			break;
+		default: break;
+	}
+
+});
+
+
+
+
+/**
+ * Check the data type of the value (string, number, array, object).
+ */
+function checkDataType(value) {
+	if (String.isNullOrUndefined(value)) {
+		return "null";
+	}
+
+	if (typeof(value) == "object") {
+		if (Array.isArray(value)) {
+			return "array";
+		} else {
+			return "object";
+		}
+	}
+
+	return typeof(value);
+}
+
+/**
+ * Get parent form node.
+ */
+function getParentFormNode(node) {
+	let result = node;
+
+	// Special case, look inside iframe.
+	if (result.nodeName.toLocaleLowerCase() == "iframe") {
+		const foundForms = (result.contentDocument || result.contentWindow).getElementsByTagName("form");
+		if (foundForms.length > 0) {
+			return foundForms[0];
+		}
+	}
+
+	while (true) {
+		if (String.isNullOrUndefined(result)) {
+			result = null;
+			break;
+		}
+
+		if (result.nodeName.toLocaleLowerCase() == "form") {
+			break;
+		}
+
+		result = result.parentNode;
+	}
+
+	return result;
+}
+
+/**
+ * Push form element value to array.
+ */
+function buildFormValueSet(form, ...tagNames){
+	let result = { };
+
+	for (let x=0; x<tagNames.length; x++) {
+	  let els = form.getElementsByTagName(tagNames[x]);
+
+		for (let i=0; i<els.length; i++) {
+			let newValue = null;
+
+			switch (els[i].type)
+			{
+				case "hidden":
+					// Do nothing
+					break;
+				case "checkbox":
+					newValue = els[i].checked;
+					break;
+				case "radio":
+					newValue = els[i].checked;
+					break;
+				default:
+					newValue = els[i].value;
+					break;
+			}
+
+			if (newValue === null) {
+				continue;
+			}
+
+			if (result[els[i].name]) {
+				// Convert single to array
+				if (checkDataType(result[els[i].name]) != "array") {
+					result[els[i].name] = [result[els[i].name]];
+				}
+
+				result[els[i].name].push(newValue);
+			} else {
+				result[els[i].name] = newValue;
+			}
+		}
+	}
+
+	return result;
+}
+
+/**
+ * Set single form element value.
+ */
+function setFormElementValue(el, value) {
+	switch (el.type) {
+		case "hidden":
+			break;
+		case "checkbox":
+		case "radio":
+			el.checked = value;
+			break;
+		default:
+			el.value = value;
+			break;
+	}
+}
+
+/**
+ * Set form element value from an array of values.
+ */
+function setFormElementValues(els, values) {
+	for (let i=0; i<Math.min(els.length, values.length); i++) {
+		setFormElementValue(els[i], values[i]);
+	}
+}
+
+String.isNullOrUndefined = function(value) {
+  if (typeof (value) == "undefined") {
+    return true;
+  }
+
+  if (value == null) {
+    return true;
+  }
+
+  return false;
+};
+
+String.isNullOrWhitespace = function(value) {
+  const a = this;
+
+  if (String.isNullOrUndefined(value)) {
+    return true;
+  }
+
+  if (typeof(value) == "string") {
+    return (value.trim().length <= 0);
+  } else {
+    return (value.toString().trim().length <= 0);
+  }
+};
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diff --git a/icon128.png b/icon128.png
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diff --git a/icon16.png b/icon16.png
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diff --git a/icon32.png b/icon32.png
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diff --git a/icon48.png b/icon48.png
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diff --git a/icon64.png b/icon64.png
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diff --git a/manifest.json b/manifest.json
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+++ b/manifest.json
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+{
+   "manifest_version": 3,
+   "name": "Form Copypasta",
+   "description": "Copy and paste form element values. Not for distribution. Internal use only. Based on Copy Form (0.0.1.2) by Sam Larison.",
+   "version": "0.1.0.028",
+   "content_scripts": [
+      {
+         "js": [
+            "content.js"
+         ],
+         "run_at": "document_idle",
+         "all_frames": true,
+         "matches": [
+            "<all_urls>"
+         ]
+      }
+   ],
+   "background": {
+      "service_worker": "background.js",
+      "type": "module"
+   },
+   "icons": {
+      "16": "icon16.png",
+      "32": "icon32.png",
+      "48": "icon48.png",
+      "64": "icon64.png",
+      "128": "icon128.png"
+   },
+   "permissions": [
+      "activeTab",
+      "contextMenus",
+      "storage",
+      "tabs"
+   ]
+}
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