本文整理汇总了TypeScript中app/core/store.exists函数的典型用法代码示例。如果您正苦于以下问题：TypeScript exists函数的具体用法？TypeScript exists怎么用？TypeScript exists使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了exists函数的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: addDashboardImpression
addDashboardImpression(impression) {
var impressions = [];
if (store.exists("dashboard_impressions")) {
impressions = JSON.parse(store.get("dashboard_impressions"));
if (!_.isArray(impressions)) {
impressions = [];
}
}
impressions = impressions.filter((imp) => {
return impression.slug !== imp.slug;
});
impressions.unshift({
title: impression.title,
slug: impression.slug,
orgId: impression.orgId,
type: impression.type
});
if (impressions.length > 20) {
impressions.shift();
}
store.set("dashboard_impressions", JSON.stringify(impressions));
}示例2: test
test('should save history item to localStorage', () => {
const expected = [
{
query: { refId: '1', expr: 'metric' },
},
];
expect(updateHistory([], datasourceId, [{ refId: '1', expr: 'metric' }])).toMatchObject(expected);
expect(store.exists(key)).toBeTruthy();
expect(store.getObject(key)).toMatchObject(expected);
});示例3: addDashboardImpression
addDashboardImpression(dashboardId) {
var impressions = [];
if (store.exists("dashboard_impressions")) {
impressions = JSON.parse(store.get("dashboard_impressions"));
if (!_.isArray(impressions)) {
impressions = [];
}
}
impressions = impressions.filter((imp) => {
return dashboardId !== imp;
});
impressions.unshift(dashboardId);
if (impressions.length > 50) {
impressions.pop();
}
store.set("dashboard_impressions", JSON.stringify(impressions));
}示例4: addDashboardImpression
addDashboardImpression(dashboardId: number) {
const impressionsKey = this.impressionKey();
let impressions = [];
if (store.exists(impressionsKey)) {
impressions = JSON.parse(store.get(impressionsKey));
if (!_.isArray(impressions)) {
impressions = [];
}
}
impressions = impressions.filter(imp => {
return dashboardId !== imp;
});
impressions.unshift(dashboardId);
if (impressions.length > 50) {
impressions.pop();
}
store.set(impressionsKey, JSON.stringify(impressions));
}示例5: addDashboardImpression
addDashboardImpression(slug) {
var impressions = [];
if (store.exists("dashboard_impressions")) {
impressions = JSON.parse(store.get("dashboard_impressions"));
if (!_.isArray(impressions)) {
impressions = [];
}
}
var exists = impressions.indexOf(slug);
if (exists >= 0) {
impressions.splice(exists, 1);
}
impressions.unshift(slug);
if (impressions.length > 20) {
impressions.shift();
}
store.set("dashboard_impressions", JSON.stringify(impressions));
}示例6: beforeEach
beforeEach(() => {
clearHistory(datasourceId);
expect(store.exists(key)).toBeFalsy();
});