47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
"use strict";
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const conversions = require("webidl-conversions");
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const utils = require("./utils.js");
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exports.convert = (value, { context = "The provided value" } = {}) => {
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if (typeof value !== "function") {
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throw new TypeError(context + " is not a function");
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}
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function invokeTheCallbackFunction(...args) {
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if (new.target !== undefined) {
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throw new Error("Internal error: invokeTheCallbackFunction is not a constructor");
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}
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const thisArg = utils.tryWrapperForImpl(this);
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let callResult;
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for (let i = 0; i < args.length; i++) {
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args[i] = utils.tryWrapperForImpl(args[i]);
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}
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callResult = Reflect.apply(value, thisArg, args);
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callResult = conversions["any"](callResult, { context: context });
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return callResult;
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}
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invokeTheCallbackFunction.construct = (...args) => {
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for (let i = 0; i < args.length; i++) {
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args[i] = utils.tryWrapperForImpl(args[i]);
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}
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let callResult = Reflect.construct(value, args);
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callResult = conversions["any"](callResult, { context: context });
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return callResult;
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};
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invokeTheCallbackFunction[utils.wrapperSymbol] = value;
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invokeTheCallbackFunction.objectReference = value;
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return invokeTheCallbackFunction;
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};
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