adaptive-expressions
Version:
Common Expression Language
52 lines • 1.81 kB
JavaScript
;
/**
* @module adaptive-expressions
*/
/**
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.Or = void 0;
const expressionEvaluator_1 = require("../expressionEvaluator");
const expressionType_1 = require("../expressionType");
const functionUtils_1 = require("../functionUtils");
const functionUtils_internal_1 = require("../functionUtils.internal");
const options_1 = require("../options");
const returnType_1 = require("../returnType");
/**
* Check whether at least one expression is true.
* Return true if at least one expression is true, or return false if all are false.
*/
class Or extends expressionEvaluator_1.ExpressionEvaluator {
/**
* Initializes a new instance of the [Or](xref:adaptive-expressions.Or) class.
*/
constructor() {
super(expressionType_1.ExpressionType.Or, Or.evaluator, returnType_1.ReturnType.Boolean, functionUtils_1.FunctionUtils.validateAtLeastOne);
}
/**
* @private
*/
static evaluator(expression, state, options) {
let result = false;
let error;
for (const child of expression.children) {
const newOptions = new options_1.Options(options);
newOptions.nullSubstitution = undefined;
({ value: result, error } = child.tryEvaluate(state, newOptions));
if (!error) {
if (functionUtils_internal_1.InternalFunctionUtils.isLogicTrue(result)) {
result = true;
break;
}
}
else {
error = undefined;
}
}
return { value: result, error };
}
}
exports.Or = Or;
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