gulp-px2rem-converter/dist/pxToRem.js

Gulp plugin. Converts all properties in pixels to rem, also converts all media in pixels in em

"use strict";
const replace = require("./replace");
const findRoot = require("./findRoot");
const getType = require("./getType");
let param;
let type;
let rootParam;
const template = '<template root>';
const pxToRem = (file, rootSize) => {
    if (rootSize) {
        type = getType(rootSize).toLocaleLowerCase() || 'px';
        param = parseInt(rootSize.replace(type, '').trim());
    }
    else {
        const arg = findRoot.getParams(file);
        type = getType(arg).toLocaleLowerCase();
        param = parseInt(arg.replace(type, '').trim());
        rootParam = findRoot.getRoot();
        if (rootParam)
            file = file.replace(rootParam, template);
    }
    switch (type) {
        case 'px':
            file = replace(file, param);
            if (rootParam)
                file = file.replace(template, rootParam);
            break;
        case '%':
            param = 16 * param / 100;
            file = replace(file, param);
            if (rootParam)
                file = file.replace(template, rootParam);
            break;
    }
    file = file.replace(/rem+[ \)|\)|\)\n]+{/ig, 'em){');
    return file;
};
module.exports = pxToRem;