本文整理匯總了TypeScript中@jupyterlab/coreutils.StateDB.clear方法的典型用法代碼示例。如果您正苦於以下問題：TypeScript StateDB.clear方法的具體用法？TypeScript StateDB.clear怎麽用？TypeScript StateDB.clear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@jupyterlab/coreutils.StateDB的用法示例。
在下文中一共展示了StateDB.clear方法的5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: it
it('should allow an overwrite data transformation', async () => {
const transform = new PromiseDelegate<StateDB.DataTransform>();
const db = new StateDB({
namespace: 'test',
transform: transform.promise
});
const prepopulate = new StateDB({ namespace: 'test' });
const key = 'foo';
const correct = 'bar';
const incorrect = 'baz';
const transformation: StateDB.DataTransform = {
type: 'overwrite',
contents: { [key]: correct }
};
// By sharing a namespace, the two databases will share data.
await prepopulate.save(key, incorrect);
let value = await prepopulate.fetch(key);
expect(value).to.equal(incorrect);
transform.resolve(transformation);
await transform.promise;
value = await db.fetch(key);
expect(value).to.equal(correct);
await db.clear();
});示例2: async
execute: async ({ global }) => {
const immediate = true;
const silent = true;
// Clear the state silently so that the state changed signal listener
// will not be triggered as it causes a save state.
await state.clear(silent);
// If the user explictly chooses to recover state, all of local storage
// should be cleared.
if (global) {
try {
window.localStorage.clear();
console.log('Cleared local storage');
} catch (error) {
console.warn('Clearing local storage failed.', error);
// To give the user time to see the console warning before redirect,
// do not set the `immediate` flag.
return commands.execute(CommandIDs.saveState);
}
}
return commands.execute(CommandIDs.saveState, { immediate });
}示例3:
window.addEventListener('beforeunload', () => {
const silent = true;
state.clear(silent).catch(() => {
/* no-op */
});
});示例4: beforeEach
beforeEach(() => {
state.clear();
model = new FileBrowserModel({ manager, state });
return manager.newUntitled({ type: 'file' }).then(contents => {
name = contents.name;
return model.cd();
});
});示例5:
execute: () => {
const immediate = true;
const silent = true;
// Clear the state silently so that the state changed signal listener
// will not be triggered as it causes a save state.
return state.clear(silent)
.then(() => commands.execute(CommandIDs.saveState, { immediate }));
}