// Fix hyphens, dashes, and minus signs per [[MOS:DASH]].
//
// See talk page for instructions.
//
// The user can disable these conversions by putting "nodashes" somewhere
// in the text — either temporarily or permanently. You can similarly add
// "scores" if the score-detection heuristic doesn't trigger automatically.
//
// This tool can be used standalone.
// This module should follow unicodify.js if it is used.
// Testing page is at [[User:GregU/dashes.js/tests]].
// Please report false positives on the talk page.
function fixDashes(str) {
if (str.search(/nodashes/i) >= 0)
return str;
var scpat = /\bscores?\b|\[\[Category:.*\b(sport|athlet|players|teams|games|league|champion|tournament|competit|cup\b|\w+ball\b|hockey|lacrosse|cricket|rugby|tennis|golf|polo|boxing|boxers|martial.art|chess)/i;
var scoresAreLikely = (str.search(scpat) >= 0);
// Ensure the replacement isn't a link such as [[FOO - BAR]] before
// replacing it, so that we don't break the link. But we do want to
// replace dashes used in the right-side label part of links. Also,
// don't break templates, URLs, DOIs, {{#expr:}}, <math> equations,
// source code, or <ref name="13-70">.
//
function ifNotLink(str) {
var pos = arguments[arguments.length - 2];
var string = arguments[arguments.length - 1];
var pat = /\[\[[^|\]]*$|{{[^|}]*$|[:\/%][^\s|>]+$|<[^>]*$|#\w*expr:.*$/i;
if (string.substring(pos - 260, pos + 1).search(pat) >= 0)
return str; // it's a link, so don't change it
var pat2 = /{{(main|see|detail|about|for\b|other|redir|conv|coor|sort|anchor|DNB(?: [Cc]ite|)|[Cc]ite DNB)[^}]*$/i;
if (string.substring(pos - 260, pos + 1).search(pat2) >= 0)
return str; // likely templates with page-name or neg params
var pat3 = /\|\s*(CAS_number)\s*=\s*/i;
if (string.substring(pos - 260, pos + 1).search(pat3) >= 0)
return str; // drugbox CAS_number
var pat4 = /\|\s*(doi|isbn)\s*=\s*/i;
if (string.substring(pos - 260, pos + 1).search(pat4) >= 0)
return str; // doi or isbn
var m = string.slice(pos).search(/<\/?(math|pre|code|tt|source|syntaxhighlight|gallery)\b/i);
if (m >= 0 && string.charAt(pos + m + 1) === '/')
return str; // don't break a <math> equation, or source code
if (string.slice(pos).search(/^[^|{}[\]<>\n]*\.([a-z]{3,4}\s*[|}]|jpg|png|svg)|^.*hyphen/i) >= 0)
return str; // it's a file name parameter, or <!--sic hyphen-->
if (str.search(/[ |(>][-–]\b/) >= 0)
return str.replace(/[-–]/, "−"); // minus sign
else
return str.replace(/--+\b/g, "—").replace(/[-–−]+/g, "–"); // dash
}
str = str.replace(/\s--?\s/g, ifNotLink); // en dash looks better
str = str.replace(/[a-z\d]---?[a-z\d]/ig, ifNotLink); // em dash
str = str.replace(/\d\d\d]*}*[-−](present|current)\b/ig, ifNotLink); // 1973-present
str = str.replace(/[^\w−-](18|19|20)\d\d]*}*[-−][^\w−-]/g, ifNotLink); // (1973-)
str = str.replace(/\d(s|%|\?|''')[-−]\d/g, ifNotLink); // 1950s-1960s, 40%-50%
str = str.replace(/\d[-−](\$|'+)\d/g, ifNotLink); // $40-$50, 7-'''4''', '49-'53
str = str.replace(/[½⅓⅔¼¾⅛⅜⅝⅞]%?[-−][\d½⅓⅔¼¾⅛⅜⅝⅞]/g, ifNotLink); // 3½-6
str = str.replace(/\d(st|nd|rd|th)?[-−]\d+(st|nd|rd|th)\b/g, ifNotLink); // 2nd-3rd
str = str.replace(/([a-z,'"”\]>] +|\(|^\| *|\|\| *)[-–]\d/mig, ifNotLink); // minus -35
str = str.replace(/<((sup|sub|td)>\s*)[-–](\d)/ig, "<$1−$3"); // 10<sup>-3</sup>
str = str.replace(/,*(?=.? ) *[-–—−] *(\d*:\d\d[\s*<])/g, " – $1"); // album track listings
// November 15, 2005-March 7, 2006; [[March 18]]-[[April 4]]
str = str.replace(/(\d]*)[-–—−](\[*(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[a-z]* +\d)/g, "$1 – $2");
// July-August 2007
str = str.replace(/\b((Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)[a-z]*[-−]?\b){2,}/g, ifNotLink);
// [[266]]-[[283]]
str = str.replace(/(\d(?: BC)?]])[-−]((ca?\.|AD ?)?\[\[\d+[^\d-])/g, "$1–$2");
// (1984 – 1992)
str = str.replace(/([(|=] *\[*\d+]*) +[–—−] +(\[*\d+]*\s*[)|}])/g, "$1–$2");
// iv-xii
str = str.replace(/[ ;(=](?=\w+-)(m*(cm|cd|d?c*)(xc|xl|l?x*)(ix|iv|v?i*)-?\b){2}[^\w-]/g, ifNotLink);
if (scoresAreLikely) // W-L-D or 73–70–67–70=280, but not castling
str = str.replace(/[^\w−–-](?!0-0-0)(\d\d?\d?[-–−]){2,}\d\d?[^\w\/−–-]/g, ifNotLink);
str = str.replace(/\b(\d+)[–−](year|month|day|hour|minute|mile|yard|foot|inch|bit|door|speed|gun|page|seat|way|point|ton|man)\b/g, "$1-$2"); // hyphen
// Number ranges and scores should use en dashes, per [[MOS:DASH]].
// This has been well-tested and false positives (e.g., ID nos.) are rare.
//
function range(str, from, to, pos, string) {
var dash = true;
var except = /\b(fig(ure)?|table|example|exhibit|circular|section|part|number|no|nr|id|model|pub|std|report|rpt|law|[P.]L|p|page|date|IS\wN\b[ a-z]*|SCOTUS)[^\w(,;]*$/i;
var rpat = /^([^A-Za-z]|nbsp)*(AD|BC|B?CE|BP|[kMG]a|km|mi|kg|lb|\w?Hz|vote|decision|record|odds|scor\w*|win|loss|tie|draw|lead|victory|defeat|upset|run|deficit|start|finish|season|game)\b/;
var lpat = /\b(pages|pp|rp|nos|\d+\)?'*[:,]|(w[io]n|lost?|tie|dr.w|lea?d|f.ll|vot|rul|decid|pass|fail|defeat|scor|gam|match|trail|finish|end)e?[ds]?|\w\w+ing|ahead|behind|up|down|from|to|is|are|was|were|of|out|by|an?|at|it|went|go|gone|beaten|between)([^a-z]|nbsp)*$/i;
var inorder = (to - 0 > from.slice(-to.length)); // pp 362-5
var precision = Math.max(from.search(/0*$/), to.search(/0*$/));
if (string.substring(pos - 20, pos + 1).search(except) >= 0) {
return str; // based on preceding word, looks like a ref number
}
if (from === 9 && to === 11) {
dash = false; // 9-11 is a common special case
}
if (from - 0 >= to) {
dash = false; // values don't look like a range
}
if (to - from > 120 && from * (precision > 2 ? 5 : 50) < to && from > 1) {
dash = false; // values don't look like a range
}
if (scoresAreLikely && from <= 900 && to <= 900) {
dash = true; // likely a score or wins-losses
}
if (from < 2 - to && string.search(/Category:.*\bChess\b/i) >= 0) {
dash = false; // chess notations 0-0, 0-1, 1-0
}
if (str.charAt(0) === '(' && string.charAt(pos + str.length) === ')') {
dash = true; // scores often seen as (8-4)
}
if (from.search(/^0./) >= 0 || to.search(/^0./) >= 0) {
dash = false; // 3-07 and 0123-4567 look like ref numbers
}
if (string.substr(pos - 1, 15).search(/^\d([:,.])\d+.\d+\1\d/) >= 0) {
dash = true; // 10:30-11:30, 35,000-40,000, 2.5-4.0
}
if (string.substr(pos, 30).search(rpat) >= 0) {
dash = true; // 12-5 BC, 5-5000 km, 6-4 win, 73-50 vote
}
if (string.substring(pos - 80, pos).search(lpat) >= 0) {
dash = true; // pp. 8, 25, 270-74, 313-7; won 6-4, 6-2
}
if (from > 1000 && from < 2100 && to.length === 2 && inorder) {
dash = true; // 1994-95 year range
}
return dash ? ifNotLink(str, pos, string) : str;
}
str = str.replace(/[^\w\/+−–-](\d{1,4})[-−](\d{1,4})(?!'*[\w\/+−–-])/g, range);
return str;
}
function fixDashesMain() {
var txt = document.editform.wpTextbox1;
var str = txt.value.replace(/—/g, '—').replace(/–/g, '–').replace(/−/g, '−'); // simplify core regexes
var newstr = fixDashes(str);
if (newstr !== str) { // don't alter encoding style if no fixes
txt.value = newstr;
setreason("fixed [[MOS:DASH|dashes]] using a [[User:GregU/dashes.js|script]]");
}
doaction('diff');
}
if (mw.config.get('wgAction') === 'edit' || mw.config.get('wgAction') === 'submit') {
$.when(mw.loader.using('mediawiki.util'), $.ready).then(function () {
mw.util.addPortletLink("p-cactions", "javascript:fixDashesMain()", "Fix dashes");
});
}
