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web-compatibility console (#2042)

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迷渡 2019-04-03 20:37:01 +08:00 committed by Ryan Dahl
parent 917e68f30f
commit 6463a75b44
2 changed files with 19 additions and 2 deletions
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12
js/console_test.ts
View file

@ -10,6 +10,16 @@ function stringify(...args: unknown[]): string {
return stringifyArgs(args).replace(/\n$/, "");
}
// test cases from web-platform-tests
// via https://github.com/web-platform-tests/wpt/blob/master/console/console-is-a-namespace.any.js
test(function consoleShouldBeANamespace() {
const prototype1 = Object.getPrototypeOf(console);
const prototype2 = Object.getPrototypeOf(prototype1);
assertEquals(Object.getOwnPropertyNames(prototype1).length, 0);
assertEquals(prototype2, Object.prototype);
});
test(function consoleTestAssertShouldNotThrowError() {
console.assert(true);
@ -123,7 +133,7 @@ test(function consoleTestStringifyCircular() {
assertEquals(stringify(JSON), "{}");
assertEquals(
stringify(console),
"Console { printFunc, log, debug, info, dir, warn, error, assert, count, countReset, table, time, timeLog, timeEnd, group, groupCollapsed, groupEnd, clear, indentLevel, collapsedAt }"
"{ printFunc, log, debug, info, dir, warn, error, assert, count, countReset, table, time, timeLog, timeEnd, group, groupCollapsed, groupEnd, clear, indentLevel, collapsedAt }"
);
// test inspect is working the same
assertEquals(inspect(nestedObj), nestedObjExpected);

9
js/globals.ts
View file

@ -46,13 +46,20 @@ window.window = window;
window.Deno = deno;
Object.freeze(window.Deno);
// ref https://console.spec.whatwg.org/#console-namespace
// For historical web-compatibility reasons, the namespace object for
// console must have as its [[Prototype]] an empty object, created as if
// by ObjectCreate(%ObjectPrototype%), instead of %ObjectPrototype%.
let console = Object.create({}) as consoleTypes.Console;
Object.assign(console, new consoleTypes.Console(core.print));
// Globally available functions and object instances.
window.atob = textEncoding.atob;
window.btoa = textEncoding.btoa;
window.fetch = fetchTypes.fetch;
window.clearTimeout = timers.clearTimer;
window.clearInterval = timers.clearTimer;
window.console = new consoleTypes.Console(core.print);
window.console = console;
window.setTimeout = timers.setTimeout;
window.setInterval = timers.setInterval;
window.location = (undefined as unknown) as domTypes.Location;