microvium/dist/lib/builtin-globals.js

A compact, embeddable scripting engine for microcontrollers for executing small scripts written in a subset of JavaScript.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.addBuiltinGlobals = void 0;
const fs_1 = __importDefault(require("fs"));
const path_1 = __importDefault(require("path"));
function addBuiltinGlobals(vm, noLib = false) {
    // Note: There is also a VirtualMachine.addBuiltinGlobals which can be used
    // when a global requires custom IL.
    // Note: even with noLib, we can add these globals because they're pretty
    // important but also the garbage collector will remove these if they aren't
    // used (which not true of Array.prototype since it's dynamically accessible)
    const runtimeLibText = fs_1.default.readFileSync(path_1.default.join(__dirname, './runtime-library.mvm.js'), 'utf8');
    const runtimeLib = vm.evaluateModule({ sourceText: runtimeLibText, debugFilename: '<builtin>' });
    const global = vm.globalThis;
    global.Infinity = Infinity;
    global.NaN = NaN;
    global.undefined = undefined;
    const Number = global.Number = vm.newObject();
    Number.isNaN = runtimeLib.Number_isNaN;
    if (!noLib) {
        const arrayPrototype = vm.newObject();
        arrayPrototype.push = runtimeLib.Array_push;
        vm.setArrayPrototype(arrayPrototype);
    }
}
exports.addBuiltinGlobals = addBuiltinGlobals;
//# sourceMappingURL=builtin-globals.js.map