adaptive-expressions/lib/expressionProperties/valueExpression.d.ts

Common Expression Language

/**
 * @module adaptive-expressions
 */
/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
import { ExpressionProperty } from './expressionProperty';
import { Expression } from '../expression';
/**
 * Represents a property which is an object of any kind or a string expression.
 *
 * @remarks
 * If the value is
 * - a string with '=' prefix then the string is treated as an expression to resolve to a string.
 * - a string without '=' then value is treated as string with string interpolation.
 * - You can escape the '=' prefix by putting a backslash.
 * Examples:
 *     prop = "Hello @{user.name}" => "Hello Joe"
 *     prop = "=length(user.name)" => "3"
 *     prop = "=user.name" => "Joe"
 *     prop = "\=user" => "=user".
 */
export declare class ValueExpression extends ExpressionProperty<any> {
    /**
     * Initializes a new instance of the [ValueExpression](xref:adaptive-expressions.ValueExpression) class.
     *
     * @param value An object of `any` kind or a `string` expression.
     */
    constructor(value?: any | string | Expression);
    /**
     * Set value as value expression.
     *
     * @param value Value to set.
     */
    setValue(value: any | string | Expression): void;
}
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