opentype.features.js/lib/opentype/src/util.js

Library to list opentype fonts optional features.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.checkArgument = exports.arrayBufferToNodeBuffer = exports.nodeBufferToArrayBuffer = exports.isNode = exports.isBrowser = void 0;
function isBrowser() {
    return typeof window === 'object' && typeof document === 'object' && !isElectron();
}
exports.isBrowser = isBrowser;
function isNode() {
    return !isBrowser();
}
exports.isNode = isNode;
function isElectron() {
    var _a;
    return ((_a = window === null || window === void 0 ? void 0 : window.process) === null || _a === void 0 ? void 0 : _a.type) === 'renderer';
}
function nodeBufferToArrayBuffer(buffer) {
    var ab = new ArrayBuffer(buffer.length);
    var view = new Uint8Array(ab);
    for (var i = 0; i < buffer.length; ++i) {
        view[i] = buffer[i];
    }
    return ab;
}
exports.nodeBufferToArrayBuffer = nodeBufferToArrayBuffer;
function arrayBufferToNodeBuffer(ab) {
    var buffer = new Buffer(ab.byteLength);
    var view = new Uint8Array(ab);
    for (var i = 0; i < buffer.length; ++i) {
        buffer[i] = view[i];
    }
    return buffer;
}
exports.arrayBufferToNodeBuffer = arrayBufferToNodeBuffer;
function checkArgument(expression, message) {
    if (!expression) {
        throw message;
    }
}
exports.checkArgument = checkArgument;