@js-draw/math/dist/cjs/rounding/cleanUpNumber.js

A math library for js-draw.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.cleanUpNumber = void 0;
/** Cleans up stringified numbers */
const cleanUpNumber = (text) => {
    // Regular expression substitions can be somewhat expensive. Only do them
    // if necessary.
    if (text.indexOf('e') > 0) {
        // Round to zero.
        if (text.match(/[eE][-]\d{2,}$/)) {
            return '0';
        }
    }
    const lastChar = text.charAt(text.length - 1);
    if (lastChar === '0' || lastChar === '.') {
        // Remove trailing zeroes
        text = text.replace(/([.]\d*[^0])0+$/, '$1');
        text = text.replace(/[.]0+$/, '.');
        // Remove trailing period
        text = text.replace(/[.]$/, '');
    }
    const firstChar = text.charAt(0);
    if (firstChar === '0' || firstChar === '-') {
        // Remove unnecessary leading zeroes.
        text = text.replace(/^(0+)[.]/, '.');
        text = text.replace(/^-(0+)[.]/, '-.');
        text = text.replace(/^(-?)0+$/, '$10');
    }
    if (text === '-0') {
        return '0';
    }
    return text;
};
exports.cleanUpNumber = cleanUpNumber;
exports.default = exports.cleanUpNumber;