/tags/1.0.8/dist/was.js |
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/*! was.js - v1.0.8 - 2020-12-08 |
* http://grimore.org |
* Copyright (c) 2020 [object Object]; Licensed GPL-3.0 */ |
/* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
function wasProduct(a, b) { |
var m = Math.max(a.length, b.length); |
var o = {}; |
for(var i = 0; i < m; ++i) { |
o[a[i]] = b[i]; |
} |
return o; |
} |
if (!Array.prototype.product) { |
Array.prototype.product = function(b) { |
return wasProduct(this, b); |
}; |
} |
// jQuery |
if(typeof jQuery === 'function') { |
$.extend({ |
product: wasProduct |
}); |
} |
|
/*************************************************************************/ |
/* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
function wasStride(a, s) { |
return a.filter(function(e, i) { |
return i % s === 0; |
}); |
} |
if (!Array.prototype.stride) { |
Array.prototype.stride = function(s) { |
return wasStride(this, s); |
}; |
} |
// jQuery |
if(typeof jQuery === 'function') { |
$.extend({ |
stride: wasStride |
}); |
} |
|
// Vanilla JavaScript |
function wasChunk(a, n) { |
return Array.from(new Array(Math.ceil(a.length/n)), (_,i)=>a.slice(i*n,i*n+n)); |
} |
if (!Array.prototype.chunk) { |
Array.prototype.chunk = function(a, n) { |
return wasChunk(this, n); |
}; |
} |
// jQuery |
if(typeof jQuery === 'function') { |
$.extend({ |
chunk: wasChunk |
}); |
} |
|
/*************************************************************************/ |
/* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
/*stackoverflow.com/questions/7837456/how-to-compare-arrays-in-javascript*/ |
/*************************************************************************/ |
// Vanilla JavaScript |
function wasEquals(a, b) { |
// if the other array is a falsy value, return |
if (!b) { |
return false; |
} |
|
// compare lengths - can save a lot of time |
if (a.length !== b.length) { |
return false; |
} |
|
for (var i = 0, l = a.length; i < l; i++) { |
// Check if we have nested arrays |
if (a[i] instanceof Array && b[i] instanceof Array) { |
// recurse into the nested arrays |
if (!a[i].equals(b[i])) { |
return false; |
} |
} else if (a[i] !== b[i]) { |
// Warning - two different object instances will never be equal: {x:20} != {x:20} |
return false; |
} |
} |
return true; |
} |
if (!Array.prototype.equals) { |
// attach the .equals method to Array's prototype to call it on any array |
Array.prototype.equals = function(a, b) { |
return wasEquals(this, b); |
}; |
} |
// jQuery |
if(typeof jQuery === 'function') { |
$.extend({ |
equals: wasEquals |
}); |
} |
|
/*************************************************************************/ |
/* Node.JS package export. */ |
/*************************************************************************/ |
if(typeof module !== 'undefined' && typeof module.exports !== 'undefined') { |
module.exports.collections = { |
product: wasProduct, |
stride: wasStride, |
chunk: wasChunk, |
equals: wasEquals |
}; |
} |
|
/* Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
function wasCSVToArray(csv) { |
var l = []; |
var s = []; |
var m = ""; |
|
do { |
var a = csv.charAt(0); |
csv = csv.slice(1, csv.length); |
if(a === ",") { |
if(s[s.length-1] !== '"') { |
l.push(m); |
m = ""; |
continue; |
} |
m += a; |
continue; |
} |
if(a === '"' && csv.charAt(0) === a) { |
m += a; |
csv = csv.slice(1, csv.length); |
continue; |
} |
if(a === '"') { |
if(s[s.length-1] !== a) { |
s.push(a); |
continue; |
} |
s.pop(); |
continue; |
} |
m += a; |
} while(csv !== ""); |
|
l.push(m); |
|
return l; |
} |
|
/*************************************************************************/ |
/* Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
function wasArrayToCSV(a) { |
var csv = []; |
for(var i=0; i<a.length; ++i) { |
var cell = a[i].toString().replace('"', '""'); |
if(/"\s,\r\n/.test(cell)) { |
csv[i] = '"' + cell + '"'; |
continue; |
} |
csv[i] = cell; |
} |
return csv.join(); |
} |
|
/* Node.JS package export. */ |
/*************************************************************************/ |
if(typeof module !== 'undefined' && typeof module.exports !== 'undefined') { |
/* global wasCSVToArray, wasArrayToCSV, wasKeyValueToObject, wasKeyValueGet, wasKeyValueSet */ |
module.exports.formats = { |
csv: { |
CSVToArray: wasCSVToArray, |
ArrayToCSV: wasArrayToCSV |
}, |
kvp: { |
KeyValueToObject: wasKeyValueToObject, |
KeyValueGet: wasKeyValueGet, |
KeyValueSet: wasKeyValueSet |
} |
}; |
} |
|
/* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
function wasKeyValueToObject(a) { |
var o = {}; |
a.reduce(function(a, c, i) { |
i = Math.floor(i / 2); |
if (!a[i]) { |
a[i] = []; |
} |
a[i].push(c); |
return a; |
}, []).forEach(function(c, i, a) { |
o[c[0]] = c[1]; |
}, o); |
return o; |
} |
|
/*************************************************************************/ |
/* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
function wasKeyValueSet(k, v, data) { |
return data.split('&') |
.map(c => c.split('=')[0] === k ? `${k}=${v}` : c) |
.concat(`${k}=${v}`) |
.filter((e,i,s) => s.indexOf(e) === i) |
.join('&'); |
} |
|
|
/*************************************************************************/ |
/* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
function wasKeyValueGet(k, data) { |
return data.split('&').reduce((a, c) => { |
var s = c.split('='); |
return s[0] === k ? s[1] : a; |
}, ''); |
} |
/* Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
/* fuss/lambda_calculus/functional_programming/aggregators @ grimore.org */ |
/*************************************************************************/ |
function wasSwitch(q, d, ...c) { |
if(c.length % 2 !== 0) { |
throw "Pairs of predicates expected for cases"; |
} |
|
(Array.isArray(q) ? q : [ q ]).forEach((s) => { |
var m = false; |
for(var i = 0; i < c.length; i += 2) { |
if(!c[i](s)) { |
continue; |
} |
if(!c[i + 1](s)) { |
continue; |
} |
m = true; |
} |
|
if(!m) { |
d(s); |
} |
}); |
} |
if (!Array.prototype.switch) { |
Array.prototype.switch = function() { |
wasSwitch(this, arguments[0], arguments.slice(1)); |
}; |
} |
// jQuery |
if(typeof jQuery === 'function') { |
$.extend({ |
switch: wasSwitch |
}); |
} |
|
/*************************************************************************/ |
/* Node.JS package export. */ |
/*************************************************************************/ |
if(typeof module !== 'undefined' && typeof module.exports !== 'undefined') { |
module.exports.lambda = { |
switch: wasSwitch |
}; |
} |
|
/* Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
function wasMapValueToRange(value, xMin, xMax, yMin, yMax) { |
return yMin + ( |
( yMax - yMin ) * ( value - xMin ) / ( xMax - xMin ) |
); |
} |
|
/*************************************************************************/ |
/* Node.JS package export. */ |
/*************************************************************************/ |
if(typeof module !== 'undefined' && typeof module.exports !== 'undefined') { |
module.exports.mathematics = { |
MapValueToRange: wasMapValueToRange |
}; |
} |
|
/* Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
function wasHexToRGB(hex) { |
var shortRegEx = /^#?([a-f\d])([a-f\d])([a-f\d])$/i; |
hex = hex.replace( |
shortRegEx, |
function(m, r, g, b) { |
return r + r + g + g + b + b; |
} |
); |
|
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex); |
return result ? { |
r: parseInt(result[1], 16), |
g: parseInt(result[2], 16), |
b: parseInt(result[3], 16) |
} : null; |
} |
|
/*************************************************************************/ |
/* Copyright (C) 2015 Wizardry and Steamworks - License: GNU GPLv3 */ |
/*************************************************************************/ |
function wasRGBToHex(r, g, b) { |
return "#" + ( |
(1 << 24) + |
(r << 16) + |
(g << 8) + |
b |
).toString(16).slice(1); |
} |
|
/*************************************************************************/ |
/* Node.JS package export. */ |
/*************************************************************************/ |
if(typeof module !== 'undefined' && typeof module.exports !== 'undefined') { |
module.exports.physics = { |
HexToRGB: wasHexToRGB, |
RGBToHex: wasRGBToHex |
}; |
} |