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User:Sophisticatedevening/AI Cleaner.js

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// <nowiki>
$(function () {
    const pageName = mw.config.get('wgPageName');
    const isEdit = mw.config.get('wgAction') === 'edit';
    const useCleaner = new URLSearchParams(window.location.search).get('useAICleaner') === '1';

    if (!isEdit) {
        mw.util.addPortletLink(
            'p-cactions',
            mw.util.getUrl(pageName, { action: 'edit', useAICleaner: '1' }),
            'AI cleaner',
            'ca-aicleaner',
            'Open editor and clean AI-style formatting'
        );
    }

    if (!isEdit || !useCleaner) return;

    const editSummaryText = "Removed inappropriate formatting - [[User:Sophisticatedevening/AI Cleaner.js|AI-Cleaner]]";

    function toSentenceCaseHeading(headingText) {
        return headingText.replace(/^([^\[]*)(.*)$/, (_, plain, rest) => {
            const trimmed = plain.trim();
            if (trimmed.length === 0) return headingText;
            const firstChar = trimmed[0].toUpperCase();
            const restText = trimmed.slice(1).toLowerCase();
            return firstChar + restText + rest;
        });
    }

    function cleanText(text) {
        let wikiBoldCount = 0;

        text = text.replace(/'''(.*?)'''/g, (match, content) => {
            if (wikiBoldCount === 0) {
                wikiBoldCount++;
                return match;
            }
            return content;
        });

        text = text.replace(/\*\*(\S(?:.*?\S)?)\*\*/g, '$1');

        text = text.replace(/(^|[^\*])\*(\S(?:.*?\S)?)\*([^\*]|$)/g, '$1$2$3');

        // Sentence-case headings
        text = text.replace(/^(={1,6})\s*(.+?)\s*\1/gm, (match, equals, heading) => {
            const processed = heading.replace(/(\[\[.*?\]\]|{{.*?}}|<.*?>|''.*?''|[A-Z][a-z]+\s[A-Z][a-z]+)/g, (preserve) => `%%%${preserve}%%%`);
            let lower = processed.toLowerCase();
            lower = lower.charAt(0).toUpperCase() + lower.slice(1);
            const restored = lower.replace(/%%%([^%]+)%%%/g, (_, p1) => p1);
            return `${equals} ${restored.trim()} ${equals}`;
        });

        return text;
    }

    function handleClassic() {
        const attemptClean = () => {
            const $ta = $('#wpTextbox1');
            if ($ta.length && $ta.val().length > 0) {
                const orig = $ta.val();
                const cleaned = cleanText(orig);
                if (cleaned !== orig) {
                    $ta.val(cleaned);
                }
                $('#wpSummary').val(editSummaryText);
                return true;
            }
            return false;
        };

        const rafLoop = () => {
            if (!attemptClean()) {
                requestAnimationFrame(rafLoop);
            }
        };
        rafLoop();
    }

    function handleVE() {
        mw.hook('ve.activationComplete').add(() => {
            const surface = ve.init.target.getSurface();
            const model = surface.getModel();
            const doc = model.getDocument();
            const orig = doc.getText();
            const cleaned = cleanText(orig);
            if (cleaned !== orig) {
                model.setLinearContentFromText(cleaned);
            }
            const $summary = $('#wpSummary');
            if ($summary.length) {
                $summary.val(editSummaryText);
            }
        });
    }

    if ($('#wpTextbox1').length) {
        handleClassic();
    } else {
        handleVE();
    }
});
// </nowiki>
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