User:Bobblewik/monobook.js/unitformatter.js

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Documentation for this user script can be added at User:Bobblewik/monobook.js/unitformatter.

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function formatunits() {
    var txt = document.editform.wpTextbox1;

    // Convert &deg into ° symbol
    txt.value = txt.value.replace(/&deg;/g, '°');
    txt.value = txt.value.replace(/º/g, '°');

    // Convert &sup into superscript ² symbol
    txt.value = txt.value.replace(/&sup2;/g, '²');
    txt.value = txt.value.replace(/&sup3;/g, '³');

    // Convert the word ohm(s) or the html entity into the actual Ω symbol (Omega, not the actual ohm symbol &#8486;) and make sure it's spaced
    txt.value = txt.value.replace(/(\d)\s?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|μ|µ|n|p|f|a|z|y)?\s?(&Omega;|ohm|Ohm)s?([\s,.;:\)\(\\/)])/g, '$1 $2Ω$4');

    // Convert various micro symbols into the actual micro symbol, make sure it's spaced
    txt.value = txt.value.replace(/(\d)\s?(&mu;|μ|&micro;)(g|s|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|Ω|F|Wb|T|H|S|Bq|Gy|Sv|kat|°C|M)([\s,.;:\)\(\\/)])/g, '$1 µ$3$4');

    // Convert capital K to lowercase k in units
    txt.value = txt.value.replace(/(\d)\s?K(g|s|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|Ω|F|Wb|T|H|S|Bq|Gy|Sv|kat|°C|M)([\s,.;:\)\(\\/)])/g, '$1 k$2$3');

    // Fix common spelling error
    txt.value = txt.value.replace(/celcius/gi, 'Celsius');

    // Capitalize units correctly
    txt.value = txt.value.replace(/(\d\s?[-])(khz)([\s,.\/\)])/gi, '$1 kHz$3');
    txt.value = txt.value.replace(/(\d)\s?(mhz)([\s,.\/\)])/gi, '$1 MHz$3');
    txt.value = txt.value.replace(/(\d)\s?(ghz)([\s,.\/\)])/gi, '$1 GHz$3');
    txt.value = txt.value.replace(/(\d)\s?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|μ|µ|n|p|f|a|z|y)?(hz|HZ)([\s,.;:\)\(\\/)])/g, '$1 $2Hz$4');
    txt.value = txt.value.replace(/(\d)\s?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|μ|µ|n|p|f|a|z|y)?(pa|PA)([\s,.;:\)\(\\/)])/g, '$1 $2Pa$4');

    // Fix kilometres
    txt.value = txt.value.replace(/(\d\s?)(kms?)/gi, '$1km');
    txt.value = txt.value.replace(/(\d\-)(kms?)/gi, '$1km');

    // Standardise kilometres per hour
    txt.value = txt.value.replace(/(km\/hr)/gi, 'km/h');
    txt.value = txt.value.replace(/(kph)/gi, 'km/h');
    txt.value = txt.value.replace(/(kmph)/gi, 'km/h');
    txt.value = txt.value.replace(/(\d)\s?(kmh)/gi, '$1 km/h');
    txt.value = txt.value.replace(/(km\/h)/gi, 'km/h');
    txt.value = txt.value.replace(/(\d)\s?(km\/h)/gi, '$1 km/h');


    // Space before horsepower symbol
    txt.value = txt.value.replace(/(\d)\s?(hp)/gi, '$1 hp');
    txt.value = txt.value.replace(/(\d)\s?(bhp)/gi, '$1 bhp');
    txt.value = txt.value.replace(/(\d)\s?(shp)/gi, '$1 shp');


    // Space before other units
    txt.value = txt.value.replace(/(\d)\s?(cc)([\s,.;:\)\(\\/)])/gi, '$1 cc$3');
    txt.value = txt.value.replace(/(\d)\s?(mm)/gi, '$1 mm');
    txt.value = txt.value.replace(/(\d)\s?(ml)/gi, '$1 ml');

    // Standardise miles per hour and rpm
    txt.value = txt.value.replace(/(m.p.h.)/gi, 'mph');
    txt.value = txt.value.replace(/(mph)/gi, 'mph');
    txt.value = txt.value.replace(/(\d)\s?(mph)/gi, '$1 mph');


    txt.value = txt.value.replace(/(rpm)/gi, 'rpm');
    txt.value = txt.value.replace(/(\d)\s?(rpm)/gi, '$1 rpm');

    // Standardise symbol for pounds
    txt.value = txt.value.replace(/(\d)\s?lbs/gi, '$1 lb');
    txt.value = txt.value.replace(/(\d\+?)\s?lbs/gi, '$1 lb');
    txt.value = txt.value.replace(/(\d&nbsp;lb)s/gi, '$1');
    txt.value = txt.value.replace(/(\d)\s?(\[\[lbs\]\])/gi, '$1 \[\[Pound (mass)|lb\]\]');

    // Standardise symbol for newton metres
    txt.value = txt.value.replace(/(N[•]m)/gi, 'N·m');

    // Standardise symbol for kilowatts
    txt.value = txt.value.replace(/(\d)\s?kW/gi, '$1 kW');

    // Standardise symbol for foot pounds
    txt.value = txt.value.replace(/(ft[ -.•\/]lb[fs])/gi, 'ft·lbf');
    txt.value = txt.value.replace(/(lb[fs][ -.•\/]ft)/gi, 'ft·lbf');
    txt.value = txt.value.replace(/(lb[ -.•\/]ft)/gi, 'ft·lbf');
    txt.value = txt.value.replace(/(ft[ -.•\/]lb)/gi, 'ft·lbf');

    // Symbols for feet and inches

    txt.value = txt.value.replace(/([^;°]\s?\s?)(\d{1,4})\s?(['’])\s?(\d{1,2})\s?(["”])/gi, '$1$2 ft $4 in');
    //txt.value = txt.value.replace(/([:=\/\(])\s*(\d{1,3)\s?(['’])\s?(1?\d)\s?(["”])/gi, '$1$2 ft $4 in');
    //txt.value = txt.value.replace(/(1?\d)\s?(["”])/gi, '$1 in');
    //txt.value = txt.value.replace(/(eight[:= ]{1,2})\s?(\d)-(\d{1,2})([\s,.\/\)])/gi, '$1 $2 ft $3 in');


    // Give digital value a percent symbol '%' instead of word
    txt.value = txt.value.replace(/(\d)[\s?-]per ?cent([^aei])/gi, '$1%$2');

    // Add a space before dB or B
    txt.value = txt.value.replace(/(\d)\s?(dB|B)\b/g, '$1 $2');

    // Add a space before any units that were missed before
    txt.value = txt.value.replace(/(\d)\s?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|n|p|f|a|z|y)?(g|m|A|K|mol|cd|rad|sr|Hz|N|J|W|Pa|lm|lx|C|V|Ω|F|Wb|T|H|S|Bq|Gy|Sv|kat|°C|°F|M)([\s,.;:\)\(\\/)])/g, '$1 $2$3$4');

    // Separate one for seconds since they give a lot of false positives like "1970s".  Only difference is mandatory prefix.
    txt.value = txt.value.replace(/(\d)\s?(Y|Z|E|P|T|G|M|k|K|h|da|d|c|m|µ|n|p|f|a|z|y)(s)([\s,.;:\)\(\\/)])/g, '$1 $2$3$4');

    // bps or b/s or bits/s --> bit/s
    txt.value = txt.value.replace(/([KkMmGgTtPpEeYyZz])(bps|bits?\/s|b\/s)/g, '$1bit/s');
    txt.value = txt.value.replace(/(\d)\s?(bps)/gi, '$1 bit/s');

    // Bps or byte/s or bytes/s --> B/s
    txt.value = txt.value.replace(/([KkMmGgTtPpEeYyZz])(Bps|bytes?\/s)/g, ' $1B/s');

    // After that, make capitalization correct
    txt.value = txt.value.replace(/K(bit|B)\/s/g, 'k$1/s');
    txt.value = txt.value.replace(/m(bit|B)\/s/g, 'M$1/s');
    txt.value = txt.value.replace(/g(bit|B)\/s/g, 'G$1/s');
    txt.value = txt.value.replace(/t(bit|B)\/s/g, 'T$1/s');
    txt.value = txt.value.replace(/e(bit|B)\/s/g, 'E$1/s');
    txt.value = txt.value.replace(/y(bit|B)\/s/g, 'Y$1/s');
    txt.value = txt.value.replace(/z(bit|B)\/s/g, 'Z$1/s');

    // Common error
    txt.value = txt.value.replace(/mibi(bit|byte)/g, 'mebi$1');

    // Add a tag to the summary box
    var txt = document.editform.wpSummary;
    var summary = "units";
	if (txt.value.indexOf(summary) == -1) {
		if (txt.value.match(/[^\*\/\s][^\/\s]?\s*$/)) {
			txt.value += " | ";
		}
		txt.value += summary;
	}

    // Press the diff button to check it
    document.editform.wpDiff.click()
}

addOnloadHook(function () {
    if(document.forms.editform) {
        addLink('p-cactions', 'javascript:formatunits()', 'units', 'ca-unitfixer', 'Fixes some unit formatting', '', '');
    }
});