@deno/kv
Version:
A Deno KV client library optimized for Node.js.
43 lines (42 loc) • 1.46 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.assertInstanceOf = void 0;
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
const assertion_error_js_1 = require("./assertion_error.js");
/**
* Make an assertion that `obj` is an instance of `type`.
* If not then throw.
*/
function assertInstanceOf(actual, expectedType, msg = "") {
if (actual instanceof expectedType)
return;
const msgSuffix = msg ? `: ${msg}` : ".";
const expectedTypeStr = expectedType.name;
let actualTypeStr = "";
if (actual === null) {
actualTypeStr = "null";
}
else if (actual === undefined) {
actualTypeStr = "undefined";
}
else if (typeof actual === "object") {
actualTypeStr = actual.constructor?.name ?? "Object";
}
else {
actualTypeStr = typeof actual;
}
if (expectedTypeStr === actualTypeStr) {
msg =
`Expected object to be an instance of "${expectedTypeStr}"${msgSuffix}`;
}
else if (actualTypeStr === "function") {
msg =
`Expected object to be an instance of "${expectedTypeStr}" but was not an instanced object${msgSuffix}`;
}
else {
msg =
`Expected object to be an instance of "${expectedTypeStr}" but was "${actualTypeStr}"${msgSuffix}`;
}
throw new assertion_error_js_1.AssertionError(msg);
}
exports.assertInstanceOf = assertInstanceOf;