react-font-tools/lib/index.js

Tools to help you with font of your app.

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

var react = require('react');

var useFontSize = function () {
    var _a = react.useState("1rem"), finalFontSize = _a[0], setFinalFontSize = _a[1];
    react.useEffect(function () {
        setFontSize(getFontSize() || "1rem");
    }, []);
    react.useEffect(function () {
        if (document)
            document.body.style.fontSize = finalFontSize;
    }, [finalFontSize]);
    var getFontSize = function () {
        if (typeof window === 'undefined')
            return null;
        return window.localStorage.getItem("font-size");
    };
    var setFontSize = function (value) {
        if (typeof window === 'undefined')
            return;
        window.localStorage.setItem("font-size", value);
        setFinalFontSize(value);
    };
    return [finalFontSize, setFontSize];
};

exports.useFontSize = useFontSize;
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