mirror of
https://github.com/ckaczor/azuredatastudio.git
synced 2026-01-14 01:25:37 -05:00
eb77d86136
* add sql binding prompt / logic * remove controller and move to extension * remove unused dependencies
46 lines
1.5 KiB
TypeScript
46 lines
1.5 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the Source EULA. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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// copied from vscode-azurefunctions extension
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import * as jsonc from 'jsonc-parser';
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import * as constants from './constants';
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/**
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* Parses and returns JSON
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* Has extra logic to remove a BOM character if it exists and handle comments
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*/
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export function parseJson<T extends object>(data: string): T {
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if (data.charCodeAt(0) === 0xFEFF) {
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data = data.slice(1);
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}
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const errors: jsonc.ParseError[] = [];
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const result: T = <T>jsonc.parse(data, errors, { allowTrailingComma: true });
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if (errors.length > 0) {
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const [line, column]: [number, number] = getLineAndColumnFromOffset(data, errors[0].offset);
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throw new Error(constants.jsonParseError(jsonc.printParseErrorCode(errors[0].error), line, column));
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} else {
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return result;
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}
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}
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export function getLineAndColumnFromOffset(data: string, offset: number): [number, number] {
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const lines: string[] = data.split('\n');
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let charCount: number = 0;
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let lineCount: number = 0;
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let column: number = 0;
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for (const line of lines) {
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lineCount += 1;
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const lineLength: number = line.length + 1;
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charCount += lineLength;
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if (charCount >= offset) {
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column = offset - (charCount - lineLength);
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break;
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}
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}
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return [lineCount, column];
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}
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