adaptive-expressions
Version:
Common Expression Language
55 lines • 2.3 kB
JavaScript
;
/**
* @module adaptive-expressions
*/
/**
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.TimexResolve = void 0;
const recognizers_text_data_types_timex_expression_1 = require("@microsoft/recognizers-text-data-types-timex-expression");
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 true if a given TimexProperty or Timex expression refers to a valid time.
*/
class TimexResolve extends expressionEvaluator_1.ExpressionEvaluator {
/**
* Initializes a new instance of the [TimexResolve](xref:adaptive-expressions.TimexResolve) class.
*/
constructor() {
super(expressionType_1.ExpressionType.TimexResolve, TimexResolve.evaluator, returnType_1.ReturnType.String, functionUtils_1.FunctionUtils.validateUnary);
}
/**
* @private
*/
static evaluator(expr, state, options) {
let parsed;
let value = false;
const { args, error: childrenError } = functionUtils_1.FunctionUtils.evaluateChildren(expr, state, options);
let error = childrenError;
if (!error) {
({ timexProperty: parsed, error: error } = functionUtils_internal_1.InternalFunctionUtils.parseTimexProperty(args[0]));
}
if (!error && parsed.types.size === 0) {
error = `The parsed TimexProperty of ${args[0]} in ${expr} has no types. It can't be resolved to a string value.`;
}
if (!error) {
const formatedTimex = parsed.timex;
try {
const resolvedValues = recognizers_text_data_types_timex_expression_1.valueResolver.resolve([formatedTimex]);
value = resolvedValues.values[0].value;
}
catch (err) {
error = `${args[0]} in ${expr} is not a valid argument. ${err.Message}`;
}
}
return { value, error };
}
}
exports.TimexResolve = TimexResolve;
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