adaptive-expressions
Version:
Common Expression Language
71 lines • 2.86 kB
JavaScript
;
/**
* @module adaptive-expressions
*/
/**
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License.
*/
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.StartOfDay = void 0;
const dayjs_1 = __importDefault(require("dayjs"));
const utc_1 = __importDefault(require("dayjs/plugin/utc"));
dayjs_1.default.extend(utc_1.default);
const expressionEvaluator_1 = require("../expressionEvaluator");
const expressionType_1 = require("../expressionType");
const functionUtils_1 = require("../functionUtils");
const functionUtils_internal_1 = require("../functionUtils.internal");
const returnType_1 = require("../returnType");
/**
* Return the start of the day for a timestamp.
*/
class StartOfDay extends expressionEvaluator_1.ExpressionEvaluator {
/**
* Initializes a new instance of the [StartOfDay](xref:adaptive-expressions.StartOfDay) class.
*/
constructor() {
super(expressionType_1.ExpressionType.StartOfDay, StartOfDay.evaluator, returnType_1.ReturnType.String, StartOfDay.validator);
}
/**
* @private
*/
static evaluator(expression, state, options) {
let value;
let locale = options.locale ? options.locale : Intl.DateTimeFormat().resolvedOptions().locale;
let format = functionUtils_1.FunctionUtils.DefaultDateTimeFormat;
const { args, error: childrenError } = functionUtils_1.FunctionUtils.evaluateChildren(expression, state, options);
let error = childrenError;
if (!error) {
({ format, locale } = functionUtils_1.FunctionUtils.determineFormatAndLocale(args, 3, format, locale));
if (typeof args[0] === 'string') {
({ value, error } = StartOfDay.evalStartOfDay(args[0], format, locale));
}
else {
error = `${expression} should contain an ISO format timestamp and an optional output format string.`;
}
}
return { value, error };
}
/**
* @private
*/
static evalStartOfDay(timeStamp, format, locale) {
let result;
const error = functionUtils_internal_1.InternalFunctionUtils.verifyISOTimestamp(timeStamp);
if (!error) {
result = (0, dayjs_1.default)(timeStamp).locale(locale).utc().startOf('day').format(format);
}
return { value: result, error };
}
/**
* @private
*/
static validator(expression) {
functionUtils_1.FunctionUtils.validateOrder(expression, [returnType_1.ReturnType.String, returnType_1.ReturnType.String], returnType_1.ReturnType.String);
}
}
exports.StartOfDay = StartOfDay;
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