本文整理匯總了TypeScript中main/context.Context.withStopper方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript Context.withStopper方法的具體用法？TypeScript Context.withStopper怎麽用？TypeScript Context.withStopper使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類main/context.Context的用法示例。
在下文中一共展示了Context.withStopper方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的TypeScript代碼示例。
示例1: await
const ret = await (async () => {
return c.withStopper({
stop: async () => null,
work: async () => 42,
});
})();示例2: it
it("Context signals abort", async () => {
const c = new Context(store);
let abortCount = 0;
let allowAbort = false;
c.on("abort", () => {
abortCount++;
});
assert.equal(abortCount, 0);
assert.isFalse(c.isDead());
let ranFirstTask = false;
let cancelledFirstTask = false;
let p1 = c
.withStopper({
stop: async () => {
if (!allowAbort) {
throw new Error("cannot cancel");
}
},
work: async () => {
ranFirstTask = true;
await new ItchPromise(() => {
/* just hang there */
});
},
})
.catch(() => {
/* muffin */
});
await assert.isRejected(c.tryAbort());
assert.equal(abortCount, 0);
assert.isTrue(ranFirstTask);
assert.isFalse(cancelledFirstTask);
allowAbort = true;
await c.tryAbort();
assert.equal(abortCount, 1);
assert.isTrue(c.isDead());
await p1;
let ranSecondTask = false;
let cancelledSecondTask = false;
let p2 = c
.withStopper({
stop: async () => null,
work: () => {
ranSecondTask = true;
return Promise.resolve();
},
})
.catch(e => {
if (isCancelled(e)) {
cancelledSecondTask = true;
} else {
throw e;
}
});
assert.isFalse(ranSecondTask);
await p2;
assert.isTrue(cancelledSecondTask);
await c.tryAbort();
assert.equal(abortCount, 1);
});示例3: performLaunch
export async function performLaunch(
ctx: Context,
logger: RecordingLogger,
cave: Cave,
game: Game
) {
ctx.emitProgress({ progress: -1, stage: "configure" });
const { store } = ctx;
const taskId = ctx.getTaskId();
store.dispatch(
actions.taskProgress({
id: taskId,
progress: -1,
stage: "prepare",
})
);
// TODO: have butler check morphing and queue a heal if needed
const { appVersion } = store.getState().system;
logger.info(`itch ${appVersion} launching '${game.title}' (#${game.id})`);
const { preferences } = store.getState();
const prereqsDir = paths.prereqsPath();
// TODO: extract that to another module
let prereqsModal: TypedModal<any, any>;
let prereqsStateParams: PrereqsStateParams;
function closePrereqsModal() {
if (!prereqsModal) {
return;
}
store.dispatch(
actions.closeModal({
wind: "root",
id: prereqsModal.id,
})
);
prereqsModal = null;
}
let powerSaveBlockerId: number = null;
let cancelled = false;
let launchConvo: Conversation;
await ctx.withStopper({
work: async () => {
try {
await mcall(
messages.Launch,
{
caveId: cave.id,
prereqsDir,
sandbox: preferences.isolateApps,
},
convo => {
launchConvo = convo;
hookLogging(convo, logger);
convo.on(messages.PickManifestAction, async ({ actions }) => {
const index = await pickManifestAction(store, actions, game);
return { index };
});
convo.on(messages.AcceptLicense, async ({ text }) => {
const res = await promisedModal(
store,
modals.naked.make({
wind: "root",
title: ["prompt.sla.title"],
message: ["prompt.sla.message"],
detail: text,
widgetParams: {} as any,
buttons: [
{
label: ["prompt.sla.accept"],
action: actions.modalResponse({}),
},
"cancel",
],
})
);
if (res) {
return { accept: true };
}
return { accept: false };
});
convo.on(messages.HTMLLaunch, async params => {
return await performHTMLLaunch({
ctx,
logger,
game,
params,
});
});
//.........這裏部分代碼省略.........