@performance/timezone-interface-check

When obtaining non-local time, you are advised to use the standard APIs in I18n.Calendar to obtain time and time zone information.

Rule Configuration

// code-linter.json5
{
  "rules": {
    "@performance/timezone-interface-check": "suggestion",
  }
}

Options

This rule is not configurable.

Example 1 of Correct Code

import i18n from '@ohos.i18n';

let calendar = i18n.getCalendar(i18n.getSystemLocale());
calendar.setTimeZone(i18n.getTimeZone().getID());

Example 2 of Correct Code

import i18n from '@ohos.i18n';

let timeZone1 = '123';
let calendar1 = i18n.getCalendar(i18n.getSystemLocale());
calendar1.setTimeZone(timeZone1);
calendar1.get('zone_offset'); 
calendar1.get('dst_offset');

Example 1 of Incorrect Code

import i18n from '@ohos.i18n';

let timeZone1 = '123';
let calendar1 = i18n.getCalendar(i18n.getSystemLocale());
calendar1.setTimeZone(timeZone1);
// Alert: dst_offset is not obtained.
calendar1.get('zone_offset'); 
//calendar1.get('dst_offset');

Example 2 of Incorrect Code

import moment from '@hview/moment';
// Alert.
moment().utcOffset();
// Alert.
moment().utcOffset(120);
// Alert.
moment().utcOffset("+08:00");
// Alert.
moment().utcOffset(-5, true);

Rule Set

plugin:@performance/all

For details about how to configure Code Linter check rules, see Code Linter.

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