easydiffusion/ui/media/js/utils.js

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JavaScript
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// https://gomakethings.com/finding-the-next-and-previous-sibling-elements-that-match-a-selector-with-vanilla-js/
function getNextSibling(elem, selector) {
// Get the next sibling element
var sibling = elem.nextElementSibling
// If there's no selector, return the first sibling
if (!selector) return sibling
// If the sibling matches our selector, use it
// If not, jump to the next sibling and continue the loop
while (sibling) {
if (sibling.matches(selector)) return sibling
sibling = sibling.nextElementSibling
}
}
/* Panel Stuff */
// true = open
var COLLAPSIBLES_INITIALIZED = false;
const COLLAPSIBLES_KEY = "collapsibles";
const COLLAPSIBLE_PANELS = []; // filled in by createCollapsibles with all the elements matching .collapsible
// on-init call this for any panels that are marked open
function toggleCollapsible(element) {
var collapsibleHeader = element.querySelector(".collapsible");
var handle = element.querySelector(".collapsible-handle");
collapsibleHeader.classList.toggle("active")
let content = getNextSibling(collapsibleHeader, '.collapsible-content')
if (content.style.display === "block") {
content.style.display = "none"
handle.innerHTML = '➕' // plus
} else {
content.style.display = "block"
handle.innerHTML = '➖' // minus
}
if (COLLAPSIBLES_INITIALIZED && COLLAPSIBLE_PANELS.includes(element)) {
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saveCollapsibles()
}
}
function saveCollapsibles() {
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var values = {}
COLLAPSIBLE_PANELS.forEach(element => {
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var value = element.querySelector(".collapsible").className.indexOf("active") !== -1
values[element.id] = value
})
localStorage.setItem(COLLAPSIBLES_KEY, JSON.stringify(values))
}
function createCollapsibles(node) {
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var save = false
if (!node) {
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node = document
save = true
}
let collapsibles = node.querySelectorAll(".collapsible")
collapsibles.forEach(function(c) {
if (save && c.parentElement.id) {
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COLLAPSIBLE_PANELS.push(c.parentElement)
}
let handle = document.createElement('span')
handle.className = 'collapsible-handle'
if (c.className.indexOf('active') !== -1) {
handle.innerHTML = '➖' // minus
} else {
handle.innerHTML = '➕' // plus
}
c.insertBefore(handle, c.firstChild)
c.addEventListener('click', function() {
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toggleCollapsible(c.parentElement)
})
})
if (save) {
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var saved = localStorage.getItem(COLLAPSIBLES_KEY)
if (!saved) {
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saveCollapsibles()
saved = localStorage.getItem(COLLAPSIBLES_KEY)
}
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var values = JSON.parse(saved)
COLLAPSIBLE_PANELS.forEach(element => {
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var value = element.querySelector(".collapsible").className.indexOf("active") !== -1
if (values[element.id] != value) {
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toggleCollapsible(element)
}
})
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COLLAPSIBLES_INITIALIZED = true
}
}
function permute(arr) {
let permutations = []
let n = arr.length
let n_permutations = Math.pow(2, n)
for (let i = 0; i < n_permutations; i++) {
let perm = []
let mask = Number(i).toString(2).padStart(n, '0')
for (let idx = 0; idx < mask.length; idx++) {
if (mask[idx] === '1' && arr[idx].trim() !== '') {
perm.push(arr[idx])
}
}
if (perm.length > 0) {
permutations.push(perm)
}
}
return permutations
}
// https://stackoverflow.com/a/8212878
function millisecondsToStr(milliseconds) {
function numberEnding (number) {
return (number > 1) ? 's' : ''
}
var temp = Math.floor(milliseconds / 1000)
var hours = Math.floor((temp %= 86400) / 3600)
var s = ''
if (hours) {
s += hours + ' hour' + numberEnding(hours) + ' '
}
var minutes = Math.floor((temp %= 3600) / 60)
if (minutes) {
s += minutes + ' minute' + numberEnding(minutes) + ' '
}
var seconds = temp % 60
if (!hours && minutes < 4 && seconds) {
s += seconds + ' second' + numberEnding(seconds)
}
return s
}
// https://rosettacode.org/wiki/Brace_expansion#JavaScript
function BraceExpander() {
'use strict'
// Index of any closing brace matching the opening
// brace at iPosn,
// with the indices of any immediately-enclosed commas.
function bracePair(tkns, iPosn, iNest, lstCommas) {
if (iPosn >= tkns.length || iPosn < 0) return null;
var t = tkns[iPosn],
n = (t === '{') ? (
iNest + 1
) : (t === '}' ? (
iNest - 1
) : iNest),
lst = (t === ',' && iNest === 1) ? (
lstCommas.concat(iPosn)
) : lstCommas;
return n ? bracePair(tkns, iPosn + 1, n, lst) : {
close: iPosn,
commas: lst
};
}
// Parse of a SYNTAGM subtree
function andTree(dctSofar, tkns) {
if (!tkns.length) return [dctSofar, []];
var dctParse = dctSofar ? dctSofar : {
fn: and,
args: []
},
head = tkns[0],
tail = head ? tkns.slice(1) : [],
dctBrace = head === '{' ? bracePair(
tkns, 0, 0, []
) : null,
lstOR = dctBrace && (
dctBrace.close
) && dctBrace.commas.length ? (
splitAt(dctBrace.close + 1, tkns)
) : null;
return andTree({
fn: and,
args: dctParse.args.concat(
lstOR ? (
orTree(dctParse, lstOR[0], dctBrace.commas)
) : head
)
}, lstOR ? (
lstOR[1]
) : tail);
}
// Parse of a PARADIGM subtree
function orTree(dctSofar, tkns, lstCommas) {
if (!tkns.length) return [dctSofar, []];
var iLast = lstCommas.length;
return {
fn: or,
args: splitsAt(
lstCommas, tkns
).map(function (x, i) {
var ts = x.slice(
1, i === iLast ? (
-1
) : void 0
);
return ts.length ? ts : [''];
}).map(function (ts) {
return ts.length > 1 ? (
andTree(null, ts)[0]
) : ts[0];
})
};
}
// List of unescaped braces and commas, and remaining strings
function tokens(str) {
// Filter function excludes empty splitting artefacts
var toS = function (x) {
return x.toString();
};
return str.split(/(\\\\)/).filter(toS).reduce(function (a, s) {
return a.concat(s.charAt(0) === '\\' ? s : s.split(
/(\\*[{,}])/
).filter(toS));
}, []);
}
// PARSE TREE OPERATOR (1 of 2)
// Each possible head * each possible tail
function and(args) {
var lng = args.length,
head = lng ? args[0] : null,
lstHead = "string" === typeof head ? (
[head]
) : head;
return lng ? (
1 < lng ? lstHead.reduce(function (a, h) {
return a.concat(
and(args.slice(1)).map(function (t) {
return h + t;
})
);
}, []) : lstHead
) : [];
}
// PARSE TREE OPERATOR (2 of 2)
// Each option flattened
function or(args) {
return args.reduce(function (a, b) {
return a.concat(b);
}, []);
}
// One list split into two (first sublist length n)
function splitAt(n, lst) {
return n < lst.length + 1 ? [
lst.slice(0, n), lst.slice(n)
] : [lst, []];
}
// One list split into several (sublist lengths [n])
function splitsAt(lstN, lst) {
return lstN.reduceRight(function (a, x) {
return splitAt(x, a[0]).concat(a.slice(1));
}, [lst]);
}
// Value of the parse tree
function evaluated(e) {
return typeof e === 'string' ? e :
e.fn(e.args.map(evaluated));
}
// JSON prettyprint (for parse tree, token list etc)
function pp(e) {
return JSON.stringify(e, function (k, v) {
return typeof v === 'function' ? (
'[function ' + v.name + ']'
) : v;
}, 2)
}
// ----------------------- MAIN ------------------------
// s -> [s]
this.expand = function(s) {
// BRACE EXPRESSION PARSED
var dctParse = andTree(null, tokens(s))[0];
// ABSTRACT SYNTAX TREE LOGGED
// console.log(pp(dctParse));
// AST EVALUATED TO LIST OF STRINGS
return evaluated(dctParse);
}
}