adaptive-expressions
Version:
Common Expression Language
59 lines • 1.92 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.IntExpression = void 0;
/**
* @module adaptive-expressions
*/
/**
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License.
*/
const expressionProperty_1 = require("./expressionProperty");
const expression_1 = require("../expression");
const functionUtils_1 = require("../functionUtils");
/**
* Represents a property which is either a int or a string expression which resolves to a int.
*
* @remarks
* String values are always interpreted as an expression, whether it has '=' prefix or not.
*/
class IntExpression extends expressionProperty_1.ExpressionProperty {
/**
* Initializes a new instance of the [IntExpression](xref:adaptive-expressions.IntExpression) class.
*
* @param value An int `number` or `string` expression which resolves to an int `number`.
*/
constructor(value) {
super(value, 0);
}
/**
* Try to get the value.
*
* @param data Data to use for expression binding.
* @returns Value of int number
*/
tryGetValue(data) {
const result = super.tryGetValue(data);
if (functionUtils_1.FunctionUtils.isNumber(result.value)) {
// Ensure returned value is an int.
result.value = Math.trunc(result.value);
}
return result;
}
/**
* Set an integer value.
*
* @param value Value to set.
*/
setValue(value) {
if (value != null &&
!functionUtils_1.FunctionUtils.isNumber(value) &&
typeof value !== 'string' &&
!(value instanceof expression_1.Expression)) {
throw new Error('IntExpression accepts string, number or Expression as the value.');
}
super.setValue(value);
}
}
exports.IntExpression = IntExpression;
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