User:Taavi/Aligner.js

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This user script seems to have a documentation page at User:Taavi/Aligner.

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window.alignerDebug = false;
window.alignerExtraSearches = [];

mw.loader.using(['mediawiki.util'], function () {
    if (mw.config.get('wgAction') !== 'edit') {
        return;
    }

    mw.util.addPortletLink('p-cactions', 'javascript:void(0);', 'Align template params', 'us-majavah-align');
    $('#us-majavah-align').click(function () {
        const splitParam = string => {
            const split = string.split('=');
            if (split.length <= 2) {
                return split;
            }

            let first = split.shift();
            return [first, split.join('=')];
        };

        const debug = string => {
            if (window.alignerDebug) {
                mw.notify(string);
            }
        };

        const editBox = $('#wpTextbox1');

        if (!editBox) {
            mw.notify('Edit box not found');
            return;
        }

        const text = editBox.val();

        if (!text || text.length === 0) {
            mw.notify('Edit box value not found');
            return;
        }

        const searches = [
            "{{infobox",
            "{{speciesbox",
            "{{taxobox",
        ].concat(window.alignerExtraSearches || []);

        let count = 0;

        const processInfobox = template => {
            if (template === '') {
                mw.notify('Infobox not found');
                return;
            }

            if (open !== 0) {
                console.error({ open });
                mw.notify('Template was not properly closed');
                return;
            }

            let maxLength = 0;

            const origTemplate = String(template);
            const lines = template.split("\n");
            const newLines = [];

            for (let lineNumber in lines) {
                let line = lines[lineNumber].trim();
                if (!line.startsWith('|') || line.split('=').length !== 2) {
                    newLines.push(line);
                    continue;
                }

                let [firstPart, lastPart] = splitParam(line);
                firstPart = firstPart.slice(1).trim();

                if (firstPart.length > maxLength) {
                    maxLength = firstPart.length;
                }

                console.log(String(firstPart.length) + '| ' + firstPart + '=' + lastPart);
                newLines.push('| ' + firstPart + '=' + lastPart);
            }

            let output = '';

            maxLength += 2; // to include '| '

            for (let lineNumber in newLines) {
                let line = newLines[lineNumber];
                const parts = splitParam(line);

                if (parts.length < 2) {
                    output += line += "\n";
                    continue;
                }

                let firstPart = parts[0].trim();
                console.log({ firstPart, maxLength });

                while (firstPart.length < maxLength) {
                    firstPart += ' ';
                }

                output += firstPart + ' = ' + parts[1].trim() + "\n";
            }

            if (output.endsWith("\n")) {
                output = output.slice(0, -1);
            }

            editBox.val(editBox.val().replace(origTemplate, output));
        };

        let template = '';
        let open = 0;

        for (let i = 0; i < text.length; i++) {
            let foo = false;

            for (let searchIndex in searches) {
                const search = searches[searchIndex];
                const searchLength = search.length;

                if (text.length - i > searchLength) {
                    if (text.slice(i, i + searchLength).toLowerCase() === search) {
                        open += 1;
                        template += text[i];
                        foo = true;
                    }
                }
            }

            if (open >= 1 && !foo) {
                template += text[i];

                if (text[i] == '{') {
                    open += 1;
                } else if (text[i] == '}') {
                    open -= 1;

                    if (open === 0) {
                        count += 1;
                        processInfobox(template);
                        template = '';
                    }
                }
            }
        }

        mw.notify('Successfully aligned ' + String(count) + ' templates. Remember to preview before saving and report any issues at User talk:Majavah');
    });
});