jiangchengfeiyi-xiaochengxu/node_modules/fraction.js/examples/toFraction.js
2025-04-02 23:45:33 +08:00

36 lines
701 B
JavaScript

/*
Fraction.js v5.0.0 10/1/2024
https://raw.org/article/rational-numbers-in-javascript/
Copyright (c) 2024, Robert Eisele (https://raw.org/)
Licensed under the MIT license.
*/
const Fraction = require('fraction.js');
function toFraction(frac) {
var map = {
'1:4': "¼",
'1:2': "½",
'3:4': "¾",
'1:7': "⅐",
'1:9': "⅑",
'1:10': "⅒",
'1:3': "⅓",
'2:3': "⅔",
'1:5': "⅕",
'2:5': "⅖",
'3:5': "⅗",
'4:5': "⅘",
'1:6': "⅙",
'5:6': "⅚",
'1:8': "⅛",
'3:8': "⅜",
'5:8': "⅝",
'7:8': "⅞"
};
return map[frac.n + ":" + frac.d] || frac.toFraction(false);
}
console.log(toFraction(Fraction(0.25))); // ¼