@jigra/text-zoom/dist/plugin.js

The Text Zoom API provides the ability to change Web View text size for visual accessibility.

var jigraTextZoom = (function (exports, core) {
    'use strict';

    const TextZoom = core.registerPlugin("TextZoom", {
        ios: () => Promise.resolve().then(function () { return ios; }).then((m) => new m.TextZoomIOS()),
    });

    class TextZoomIOS {
        async get() {
            const percentage = this.getRaw();
            const value = this.textSizePercentageToNumber(percentage);
            return { value };
        }
        async getPreferred() {
            return core.Plugins.TextZoom.getPreferred();
        }
        async set(options) {
            const num = this.textSizeNumberToPercentage(options.value);
            this.setRaw(num);
        }
        getRaw() {
            if (typeof document !== "undefined") {
                return document.body.style.webkitTextSizeAdjust || "100%";
            }
            return "100%";
        }
        setRaw(value) {
            if (typeof document !== "undefined") {
                document.body.style.webkitTextSizeAdjust = value;
            }
        }
        textSizePercentageToNumber(percentage) {
            const m = TextZoomIOS.TEXT_SIZE_REGEX.exec(percentage);
            if (!m) {
                return 1;
            }
            const parsed = Number.parseInt(m[1], 10);
            if (Number.isNaN(parsed)) {
                return 1;
            }
            return parsed / 100;
        }
        textSizeNumberToPercentage(num) {
            return `${Math.round(num * 100)}%`;
        }
    }
    TextZoomIOS.TEXT_SIZE_REGEX = /(\d+)%/;

    var ios = /*#__PURE__*/Object.freeze({
        __proto__: null,
        TextZoomIOS: TextZoomIOS
    });

    exports.TextZoom = TextZoom;

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

    return exports;

})({}, jigraExports);
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