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265
my-app/node_modules/jsonc-parser/lib/umd/impl/format.js
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vendored
Executable file
265
my-app/node_modules/jsonc-parser/lib/umd/impl/format.js
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(function (factory) {
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if (typeof module === "object" && typeof module.exports === "object") {
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var v = factory(require, exports);
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if (v !== undefined) module.exports = v;
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}
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else if (typeof define === "function" && define.amd) {
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define(["require", "exports", "./scanner"], factory);
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}
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})(function (require, exports) {
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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'use strict';
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.isEOL = exports.format = void 0;
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const scanner_1 = require("./scanner");
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function format(documentText, range, options) {
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let initialIndentLevel;
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let formatText;
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let formatTextStart;
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let rangeStart;
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let rangeEnd;
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if (range) {
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rangeStart = range.offset;
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rangeEnd = rangeStart + range.length;
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formatTextStart = rangeStart;
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while (formatTextStart > 0 && !isEOL(documentText, formatTextStart - 1)) {
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formatTextStart--;
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}
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let endOffset = rangeEnd;
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while (endOffset < documentText.length && !isEOL(documentText, endOffset)) {
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endOffset++;
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}
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formatText = documentText.substring(formatTextStart, endOffset);
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initialIndentLevel = computeIndentLevel(formatText, options);
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}
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else {
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formatText = documentText;
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initialIndentLevel = 0;
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formatTextStart = 0;
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rangeStart = 0;
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rangeEnd = documentText.length;
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}
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const eol = getEOL(options, documentText);
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let numberLineBreaks = 0;
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let indentLevel = 0;
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let indentValue;
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if (options.insertSpaces) {
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indentValue = repeat(' ', options.tabSize || 4);
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}
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else {
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indentValue = '\t';
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}
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let scanner = (0, scanner_1.createScanner)(formatText, false);
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let hasError = false;
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function newLinesAndIndent() {
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if (numberLineBreaks > 1) {
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return repeat(eol, numberLineBreaks) + repeat(indentValue, initialIndentLevel + indentLevel);
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}
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else {
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return eol + repeat(indentValue, initialIndentLevel + indentLevel);
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}
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}
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function scanNext() {
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let token = scanner.scan();
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numberLineBreaks = 0;
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while (token === 15 /* SyntaxKind.Trivia */ || token === 14 /* SyntaxKind.LineBreakTrivia */) {
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if (token === 14 /* SyntaxKind.LineBreakTrivia */ && options.keepLines) {
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numberLineBreaks += 1;
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}
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else if (token === 14 /* SyntaxKind.LineBreakTrivia */) {
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numberLineBreaks = 1;
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}
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token = scanner.scan();
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}
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hasError = token === 16 /* SyntaxKind.Unknown */ || scanner.getTokenError() !== 0 /* ScanError.None */;
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return token;
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}
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const editOperations = [];
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function addEdit(text, startOffset, endOffset) {
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if (!hasError && (!range || (startOffset < rangeEnd && endOffset > rangeStart)) && documentText.substring(startOffset, endOffset) !== text) {
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editOperations.push({ offset: startOffset, length: endOffset - startOffset, content: text });
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}
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}
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let firstToken = scanNext();
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if (options.keepLines && numberLineBreaks > 0) {
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addEdit(repeat(eol, numberLineBreaks), 0, 0);
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}
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if (firstToken !== 17 /* SyntaxKind.EOF */) {
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let firstTokenStart = scanner.getTokenOffset() + formatTextStart;
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let initialIndent = repeat(indentValue, initialIndentLevel);
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addEdit(initialIndent, formatTextStart, firstTokenStart);
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}
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while (firstToken !== 17 /* SyntaxKind.EOF */) {
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let firstTokenEnd = scanner.getTokenOffset() + scanner.getTokenLength() + formatTextStart;
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let secondToken = scanNext();
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let replaceContent = '';
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let needsLineBreak = false;
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while (numberLineBreaks === 0 && (secondToken === 12 /* SyntaxKind.LineCommentTrivia */ || secondToken === 13 /* SyntaxKind.BlockCommentTrivia */)) {
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let commentTokenStart = scanner.getTokenOffset() + formatTextStart;
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addEdit(' ', firstTokenEnd, commentTokenStart);
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firstTokenEnd = scanner.getTokenOffset() + scanner.getTokenLength() + formatTextStart;
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needsLineBreak = secondToken === 12 /* SyntaxKind.LineCommentTrivia */;
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replaceContent = needsLineBreak ? newLinesAndIndent() : '';
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secondToken = scanNext();
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}
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if (secondToken === 2 /* SyntaxKind.CloseBraceToken */) {
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if (firstToken !== 1 /* SyntaxKind.OpenBraceToken */) {
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indentLevel--;
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}
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;
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if (options.keepLines && numberLineBreaks > 0 || !options.keepLines && firstToken !== 1 /* SyntaxKind.OpenBraceToken */) {
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replaceContent = newLinesAndIndent();
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}
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else if (options.keepLines) {
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replaceContent = ' ';
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}
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}
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else if (secondToken === 4 /* SyntaxKind.CloseBracketToken */) {
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if (firstToken !== 3 /* SyntaxKind.OpenBracketToken */) {
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indentLevel--;
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}
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;
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if (options.keepLines && numberLineBreaks > 0 || !options.keepLines && firstToken !== 3 /* SyntaxKind.OpenBracketToken */) {
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replaceContent = newLinesAndIndent();
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}
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else if (options.keepLines) {
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replaceContent = ' ';
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}
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}
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else {
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switch (firstToken) {
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case 3 /* SyntaxKind.OpenBracketToken */:
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case 1 /* SyntaxKind.OpenBraceToken */:
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indentLevel++;
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if (options.keepLines && numberLineBreaks > 0 || !options.keepLines) {
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replaceContent = newLinesAndIndent();
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}
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else {
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replaceContent = ' ';
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}
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break;
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case 5 /* SyntaxKind.CommaToken */:
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if (options.keepLines && numberLineBreaks > 0 || !options.keepLines) {
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replaceContent = newLinesAndIndent();
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}
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else {
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replaceContent = ' ';
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}
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break;
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case 12 /* SyntaxKind.LineCommentTrivia */:
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replaceContent = newLinesAndIndent();
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break;
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case 13 /* SyntaxKind.BlockCommentTrivia */:
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if (numberLineBreaks > 0) {
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replaceContent = newLinesAndIndent();
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}
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else if (!needsLineBreak) {
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replaceContent = ' ';
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}
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break;
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case 6 /* SyntaxKind.ColonToken */:
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if (options.keepLines && numberLineBreaks > 0) {
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replaceContent = newLinesAndIndent();
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}
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else if (!needsLineBreak) {
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replaceContent = ' ';
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}
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break;
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case 10 /* SyntaxKind.StringLiteral */:
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if (options.keepLines && numberLineBreaks > 0) {
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replaceContent = newLinesAndIndent();
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}
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else if (secondToken === 6 /* SyntaxKind.ColonToken */ && !needsLineBreak) {
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replaceContent = '';
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}
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break;
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case 7 /* SyntaxKind.NullKeyword */:
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case 8 /* SyntaxKind.TrueKeyword */:
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case 9 /* SyntaxKind.FalseKeyword */:
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case 11 /* SyntaxKind.NumericLiteral */:
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case 2 /* SyntaxKind.CloseBraceToken */:
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case 4 /* SyntaxKind.CloseBracketToken */:
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if (options.keepLines && numberLineBreaks > 0) {
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replaceContent = newLinesAndIndent();
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}
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else {
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if ((secondToken === 12 /* SyntaxKind.LineCommentTrivia */ || secondToken === 13 /* SyntaxKind.BlockCommentTrivia */) && !needsLineBreak) {
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replaceContent = ' ';
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}
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else if (secondToken !== 5 /* SyntaxKind.CommaToken */ && secondToken !== 17 /* SyntaxKind.EOF */) {
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hasError = true;
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}
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}
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break;
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case 16 /* SyntaxKind.Unknown */:
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hasError = true;
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break;
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}
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if (numberLineBreaks > 0 && (secondToken === 12 /* SyntaxKind.LineCommentTrivia */ || secondToken === 13 /* SyntaxKind.BlockCommentTrivia */)) {
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replaceContent = newLinesAndIndent();
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}
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}
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if (secondToken === 17 /* SyntaxKind.EOF */) {
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if (options.keepLines && numberLineBreaks > 0) {
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replaceContent = newLinesAndIndent();
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}
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else {
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replaceContent = options.insertFinalNewline ? eol : '';
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}
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}
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const secondTokenStart = scanner.getTokenOffset() + formatTextStart;
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addEdit(replaceContent, firstTokenEnd, secondTokenStart);
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firstToken = secondToken;
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}
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return editOperations;
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}
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exports.format = format;
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function repeat(s, count) {
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let result = '';
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for (let i = 0; i < count; i++) {
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result += s;
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}
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return result;
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}
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function computeIndentLevel(content, options) {
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let i = 0;
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let nChars = 0;
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const tabSize = options.tabSize || 4;
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while (i < content.length) {
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let ch = content.charAt(i);
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if (ch === ' ') {
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nChars++;
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}
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else if (ch === '\t') {
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nChars += tabSize;
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}
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else {
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break;
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}
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i++;
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}
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return Math.floor(nChars / tabSize);
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}
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function getEOL(options, text) {
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for (let i = 0; i < text.length; i++) {
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const ch = text.charAt(i);
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if (ch === '\r') {
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if (i + 1 < text.length && text.charAt(i + 1) === '\n') {
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return '\r\n';
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}
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return '\r';
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}
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else if (ch === '\n') {
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return '\n';
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}
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}
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return (options && options.eol) || '\n';
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}
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function isEOL(text, offset) {
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return '\r\n'.indexOf(text.charAt(offset)) !== -1;
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}
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exports.isEOL = isEOL;
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});
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