Guntis Smaukstelis
48 lines
1.3 KiB
TypeScript
48 lines
1.3 KiB
TypeScript
import moment from "moment";
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export function formatDateString(str: string): string {
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const date = moment(new Date(str));
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switch (str.length) {
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// year: 2023
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case 4: return date.format("yyyy");
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// year-month: 2023-06
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case 7: return date.format("yyyy-MM");
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// year-month-day: 2023-06-23
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case 10: return date.format("yyyy-MM-DD");
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// year-month-day hour:minute 2023-06-23T23:59
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default: return date.format("HH:mm");
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}
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}
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export interface QueryResult {
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query: DataQuery;
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result: {[key: string]: any};
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}
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export interface DataQuery {
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cities: string[];
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field: string;
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granularity: string;
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key: string;
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}
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export function isQueryResult(variable: any): variable is QueryResult {
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return variable
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&& variable.query
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&& isDataQuery(variable.query)
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&& variable.result
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&& (
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typeof variable.result === "object"
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&& !Array.isArray(variable.result)
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&& variable.result !== null
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);
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}
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export function isDataQuery(variable: any): variable is DataQuery {
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return variable &&
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Array.isArray(variable.cities) &&
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typeof variable.field === 'string' &&
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typeof variable.granularity === 'string' &&
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typeof variable.key === 'string';
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}
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