tslint-microsoft-contrib/utils/ChaiUtils.js

TSLint Rules for Microsoft

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ts = require("typescript");
var ChaiUtils;
(function (ChaiUtils) {
    function isExpectInvocation(node) {
        var callExpression = getLeftMostCallExpression(node);
        if (callExpression === undefined) {
            return false;
        }
        return /.*\.?expect/.test(callExpression.expression.getText());
    }
    ChaiUtils.isExpectInvocation = isExpectInvocation;
    function getExpectInvocation(node) {
        var callExpression = getLeftMostCallExpression(node, false);
        if (callExpression === undefined) {
            return undefined;
        }
        if (/.*\.?expect/.test(callExpression.expression.getText())) {
            return callExpression;
        }
        return undefined;
    }
    ChaiUtils.getExpectInvocation = getExpectInvocation;
    function getLeftMostCallExpression(node, checkParent) {
        if (checkParent === void 0) { checkParent = false; }
        var leftSide = node.expression;
        while (leftSide !== undefined) {
            if (leftSide.kind === ts.SyntaxKind.CallExpression) {
                return leftSide;
            }
            if (leftSide.kind === ts.SyntaxKind.PropertyAccessExpression) {
                leftSide = leftSide.expression;
                continue;
            }
            if (checkParent && leftSide.parent.kind === ts.SyntaxKind.CallExpression) {
                return leftSide.parent;
            }
            return undefined;
        }
        return undefined;
    }
    ChaiUtils.getLeftMostCallExpression = getLeftMostCallExpression;
    function getFirstExpectCallParameter(node) {
        var expectCall = ChaiUtils.getLeftMostCallExpression(node);
        if (expectCall !== undefined && expectCall.arguments.length > 0) {
            return expectCall.arguments[0];
        }
        return undefined;
    }
    ChaiUtils.getFirstExpectCallParameter = getFirstExpectCallParameter;
    function getFirstExpectationParameter(node) {
        if (node.arguments.length > 0) {
            return node.arguments[0];
        }
        return undefined;
    }
    ChaiUtils.getFirstExpectationParameter = getFirstExpectationParameter;
    function isEqualsInvocation(propExpression) {
        return /equal|equals|eq|eql|eqs/.test(propExpression.name.getText());
    }
    ChaiUtils.isEqualsInvocation = isEqualsInvocation;
})(ChaiUtils = exports.ChaiUtils || (exports.ChaiUtils = {}));
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