User:DemonDays64/Scripts/Dumb quotes.js

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This user script seems to have a documentation page at User:DemonDays64/Scripts/Dumb quotes.

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/** NOTE: To avoid changing the unusual styles of quotation marks such as «»
* set the variable basic to false.
* Do this by adding this line:
* 	basic = true;
* to your common.js file ([[Special:MyPage/common.js]]).
*/
// Make sure the utilities module is loaded (will only load if not already)
mw.loader.using('mediawiki.util', function () {

	$(document).ready(function () {
		var pageBeforeEdit;
		var modifiedPage;
		var previousSummary;
		var basic = false;

		//add a tab on the left
		var dumbQuotesLink = mw.util.addPortletLink("p-tb", "#", "Dumb quotes", "t-dumb-quotes", "Convert curly to straight quotes");
		$(dumbQuotesLink).click(function (event) {
			event.preventDefault();
			editPage();
		});
		function runRegex(regex) {
			modifiedPage = modifiedPage.replace(regex.find, regex.replace);
		}

		function makeAndRunRegex(findRegex, replace) {
			var regexObject = {
				find: findRegex,
				replace: replace
			};
			runRegex(regexObject);
		}
		function doEdit() {
			document.editform.wpTextbox1.value = modifiedPage;
		}
		function setEditSummary(summary, isMinor) {
			document.editform.wpMinoredit.checked = isMinor;
			previousSummary = document.editform.wpSummary.value;
			if (previousSummary !== "") {
				if (!previousSummary.includes(summary)) {
					document.editform.wpSummary.value = document.editform.wpSummary.value + " | " + summary;
				}
			}
			else {
				document.editform.wpSummary.value = summary;
			}
		}
		function showDiff() {
			doaction("diff");
		}
		function editPage() {
			pageBeforeEdit = document.editform.wpTextbox1.value;
			modifiedPage = pageBeforeEdit;

			//‘Single smart quotes’
			makeAndRunRegex(/(‘|’)/g, "'");
			//“Double smart quotes”
			makeAndRunRegex(/(“|”)/g, '"');

			if (!basic) {
				//‹Single guillemets›
				makeAndRunRegex(/(‹|›)/g, "'");
				//«Double guillemets»
				makeAndRunRegex(/(«|»)/g, '"');

				//‚Single down quotes‘
				makeAndRunRegex(/‚/g, "'");
				//„Double down quotes“
				makeAndRunRegex(/„/g, '"');

				//`Backticks´
				makeAndRunRegex(/(`|´)/g, '"');
			}

			doEdit();
			setEditSummary("Replaced smart quotes with dumb with [[User:DemonDays64/Scripts/Dumb quotes.js|script]] per [[MOS:CQ]]. Problem? [[User talk:DemonDays64|Tell the author]]", true);
			showDiff();
		}
	});
});