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vscode-react-native/src/common/error

src/common/error/errorHelper.ts

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17161993Meena Kunnathur Balakrishnan10 years ago1// Copyright (c) Microsoft Corporation. All rights reserved.
2// Licensed under the MIT license. See LICENSE file in the project root for details.
3
190e393cMeena Kunnathur Balakrishnan10 years ago4import {InternalError, NestedError, InternalErrorLevel} from "./internalError";
17161993Meena Kunnathur Balakrishnan10 years ago5import {InternalErrorCode} from "./internalErrorCode";
3c172a05Artem Egorov8 years ago6import {ERROR_STRINGS} from "./errorStrings";
17161993Meena Kunnathur Balakrishnan10 years ago7
8export class ErrorHelper {
3c172a05Artem Egorov8 years ago9public static ERROR_STRINGS = ERROR_STRINGS;
17161993Meena Kunnathur Balakrishnan10 years ago10public static getInternalError(errorCode: InternalErrorCode, ...optionalArgs: any[]): InternalError {
adaa8cc8Meena Kunnathur Balakrishnan10 years ago11let message = ErrorHelper.getErrorMessage(errorCode, ...optionalArgs);
17161993Meena Kunnathur Balakrishnan10 years ago12return new InternalError(<number> errorCode, message);
13}
14
190e393cMeena Kunnathur Balakrishnan10 years ago15public static getNestedError(innerError: Error, errorCode: InternalErrorCode, ...optionalArgs: any[]): NestedError {
a4a7e387Meena Kunnathur Balakrishnan10 years ago16let message = ErrorHelper.getErrorMessage(errorCode, ...optionalArgs);
17161993Meena Kunnathur Balakrishnan10 years ago17return new NestedError(<number> errorCode, message, innerError);
18}
19
190e393cMeena Kunnathur Balakrishnan10 years ago20public static wrapError(error: InternalError, innerError: Error): NestedError {
21return NestedError.getWrappedError(error, innerError);
22}
a4a7e387Meena Kunnathur Balakrishnan10 years ago23public static getWarning(message: string, ...optionalArgs: any[]): InternalError {
190e393cMeena Kunnathur Balakrishnan10 years ago24return new InternalError(-1, message, InternalErrorLevel.Warning);
25}
26
a4a7e387Meena Kunnathur Balakrishnan10 years ago27public static getNestedWarning(innerError: Error, message: string, ...optionalArgs: any[]): NestedError {
499fe4ebMeena Kunnathur Balakrishnan10 years ago28return new NestedError(-1, message, innerError, null /* extras */, InternalErrorLevel.Warning);
a4a7e387Meena Kunnathur Balakrishnan10 years ago29}
30
17161993Meena Kunnathur Balakrishnan10 years ago31private static getErrorMessage(errorCode: InternalErrorCode, ...optionalArgs: any[]): string {
3c172a05Artem Egorov8 years ago32return ErrorHelper.formatErrorMessage(ErrorHelper.ERROR_STRINGS[InternalErrorCode[errorCode]], ...optionalArgs);
17161993Meena Kunnathur Balakrishnan10 years ago33}
34
35private static formatErrorMessage(errorMessage: string, ...optionalArgs: any[]): string {
a4a7e387Meena Kunnathur Balakrishnan10 years ago36if (!errorMessage) {
37return errorMessage;
38}
39
40let result: string = <string> errorMessage;
41let args: string[] = ErrorHelper.getOptionalArgsArrayFromFunctionCall(arguments, 1);
42if (args) {
cdf34447digeff10 years ago43for (let i: number = 0; i < args.length; i++) {
a4a7e387Meena Kunnathur Balakrishnan10 years ago44result = result.replace(new RegExp("\\{" + i + "\\}", "g"), args[i]);
17161993Meena Kunnathur Balakrishnan10 years ago45}
a4a7e387Meena Kunnathur Balakrishnan10 years ago46}
17161993Meena Kunnathur Balakrishnan10 years ago47
a4a7e387Meena Kunnathur Balakrishnan10 years ago48return result;
17161993Meena Kunnathur Balakrishnan10 years ago49}
adaa8cc8Meena Kunnathur Balakrishnan10 years ago50
a4a7e387Meena Kunnathur Balakrishnan10 years ago51private static getOptionalArgsArrayFromFunctionCall(functionArguments: IArguments, startIndex: number): any[] {
adaa8cc8Meena Kunnathur Balakrishnan10 years ago52if (functionArguments.length <= startIndex) {
5c8365a6Artem Egorov8 years ago53return [];
adaa8cc8Meena Kunnathur Balakrishnan10 years ago54}
55
56if (Array.isArray(functionArguments[startIndex])) {
57return functionArguments[startIndex];
58}
59
60return Array.prototype.slice.apply(functionArguments, [startIndex]);
61}
17161993Meena Kunnathur Balakrishnan10 years ago62}