User:Alien333/poemise.js
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 | This script seems to have a documentation page at User:Alien333/poemise. |
/* global mw,$ */
"use strict";
mw.loader.using(['mediawiki.util'], () => { $(() => {
if (mw.config.get('wgCanonicalNamespace') == 'Page' && mw.config.get('wgPageContentModel') == 'proofread-page' && ['edit', 'submit'].includes(mw.config.get('wgAction'))) {
var poemisebtn = mw.util.addPortletLink('p-tb', '#', 'Poemise', 'poemise-btn', 'Poemise.');
$(poemisebtn).click(event => { event.preventDefault(); poemise() });
}
})});
var concat = (ll) => [].concat.apply([], ll); // merge array array
var multiplyArray = (arr, length) => Array.from({ length }, () => arr).flat();
var ins = (s, c) => s.indexOf(c) != -1;
var ind = (n) => ":".repeat(n);
var pr = (s) => // Process Rhyme pattern
(s=="")?[]:
(ins(s, ";"))?concat(s.split(";").map(pr)):
(ins(s, "*"))?multiplyArray(pr(s.split("*").slice(1).join("*")), Number(s.split("*")[0])):
(ins(s, ","))?concat(s.split(",").map(pr)):
(s[0]=="!")?[ind(Number(s.slice(1)))]: // multiple-digint indent
(s[0]=="'")?pr(s.slice(1)+"*0;."):
(s[0]==":")?pr(s.slice(1)+"*01;."):
(s[0]==".")?["."].concat(pr(s.slice(1))):
(s[0]=="[")?[s.match(/.*?\]/)[0].slice(1, -1)].concat(pr(s.match(/\].+/)[0].slice(1))):
(/^[0-9]/.test(s))?[ind(Number(s[0]))].concat(pr(s.slice(1))):["!"];
function poemise() { // apply poem formatting
var [l, rhyme, ri] = [$('#wpTextbox1').val().split("\n"), [""], 0]; // list of lines, indent list, rhyme index
var ei = l.findIndex((ll) => ll[0] == "-"); // end index
ei = (ei != -1)?ei:l.length;
var after = l.slice(ei).join("\n").slice(1);
l = l.slice(0, ei);
var si = l.findIndex((ll) => ll[0] == "+"); // start index
si = (si != -1)?si:0;
var before = l.slice(0, si).join("\n");
var anend = !l.some((ll) => ll[0] == "$" || (ll[1] == "$" && ll[0] == "+"));
l = ("\n" + l.slice(si).join("\n") + "\n")
.replace(/\n[+$]+/, "\n")
.trim().split("\n");
l.forEach((ll) => {
if (ll[0] == "*") {
rhyme = pr(ll.slice(1).trim());
} else if (ll[0] == "/") {
ri = Number(ll.slice(1));
}
});
l = l.filter((ll) => ll[0] != "/" && ll[0] != "*");
if (rhyme.includes("!")) {
alert("Poemise: Invalid input: unrecognized characters in indent pattern");
return;
} else if (!rhyme.some((e) => e != ".")) { // would go into infinite loop else, which is a bit annoying
alert("Poemise: Invalid input: the indent pattern is only composed of stanza breaks");
return;
}
before = (before)?before:("{{ppoem\n|start="+((rhyme[(ri < 1)?(rhyme.length+ri-1):(ri-1)] == ".")?"stanza|":"follow|"));
var [poem, li] = ["", 0]; // Line Index
ri %= rhyme.length;
while (li < l.length) {
while (rhyme[ri] == ".") {
poem += "\n";
ri = (ri+1)%rhyme.length;
}
poem += rhyme[ri]+l[li];
li += 1;
while (li < l.length && (/[a-z]/.test(l[li][0]) || l[li].length < 3)) {
poem += l[li];
li ++;
}
poem += "\n";
ri = (ri+1) % rhyme.length;
}
after = (after)?after:((anend)?("|end="+((rhyme[ri] == ".")?"stanza\n":"follow\n")):""+"}}");
$('#wpTextbox1').val(before + "\n" + poem + after);
}