Fix Wikipedia quotes to typographical quotes

fix-quotes.js

var currentQM = "\u201d";

var toggleQM = {
    "\u201c" : "\u201d",
    "\u201d" : "\u201c"
};

var skip = 0;

function replaceQuotes(text) {
    var newText = "";
    for (var i = 0; i < text.length; i++) {

        if (text[i] == '"') {
            // Seems to be some table property or similar
            if (text[i-1] == "=") {
                skip = 1;
                newText += text[i];
                continue;
            }
            
            if (skip) {
                skip--;
                newText += text[i];
                continue;
            }
            currentQM = toggleQM[currentQM];
            newText += currentQM;
        } else {
            newText += text[i];
        }
    }
    
    return newText;
};

var textarea = $("textarea#wpTextbox1");
var wikitext = textarea.val();

// We don't want to touch references
var selfclosedRefs = /<ref .*?\/>/g
var enclosedRefs = /<ref .*<\/ref>/g
var allRefs = /(<ref .*<\/ref>|<ref .*?\/>)/g

// Get all references 
var matches = [];
var positions = [];

while ((match = allRefs.exec(wikitext)) != null) {
    positions.push({
        start: match.index,
        length: match[0].length
    });
    matches.push(match[0])
}

// Add a last empty pos
positions.push({
    start: wikitext.length,
    length: 0
})

// Get text until next match and replace quotes
var curPos = 0;
var newWikiText = "";

positions.forEach(function(pos, i) {
    
    var curText = wikitext.substring(curPos, pos.start);
    console.log(curText)
    curText = replaceQuotes(curText);
    console.log(curText)
    newWikiText += curText;
    newWikiText += matches[i] || "";

    curPos = pos.start + pos.length;
});

// Save
textarea.val(newWikiText)

// Helpers
$("#wpSummary").val("(t) use typographically correct quotes");
$("#wpMinoredit").click();