source: trip-planner-front/node_modules/jsonc-parser/lib/umd/impl/format.js@ fa375fe

Last change on this file since fa375fe was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit
  • Property mode set to 100644
File size: 9.1 KB
Line 
1(function (factory) {
2 if (typeof module === "object" && typeof module.exports === "object") {
3 var v = factory(require, exports);
4 if (v !== undefined) module.exports = v;
5 }
6 else if (typeof define === "function" && define.amd) {
7 define(["require", "exports", "./scanner"], factory);
8 }
9})(function (require, exports) {
10 /*---------------------------------------------------------------------------------------------
11 * Copyright (c) Microsoft Corporation. All rights reserved.
12 * Licensed under the MIT License. See License.txt in the project root for license information.
13 *--------------------------------------------------------------------------------------------*/
14 'use strict';
15 Object.defineProperty(exports, "__esModule", { value: true });
16 exports.isEOL = exports.format = void 0;
17 var scanner_1 = require("./scanner");
18 function format(documentText, range, options) {
19 var initialIndentLevel;
20 var formatText;
21 var formatTextStart;
22 var rangeStart;
23 var rangeEnd;
24 if (range) {
25 rangeStart = range.offset;
26 rangeEnd = rangeStart + range.length;
27 formatTextStart = rangeStart;
28 while (formatTextStart > 0 && !isEOL(documentText, formatTextStart - 1)) {
29 formatTextStart--;
30 }
31 var endOffset = rangeEnd;
32 while (endOffset < documentText.length && !isEOL(documentText, endOffset)) {
33 endOffset++;
34 }
35 formatText = documentText.substring(formatTextStart, endOffset);
36 initialIndentLevel = computeIndentLevel(formatText, options);
37 }
38 else {
39 formatText = documentText;
40 initialIndentLevel = 0;
41 formatTextStart = 0;
42 rangeStart = 0;
43 rangeEnd = documentText.length;
44 }
45 var eol = getEOL(options, documentText);
46 var lineBreak = false;
47 var indentLevel = 0;
48 var indentValue;
49 if (options.insertSpaces) {
50 indentValue = repeat(' ', options.tabSize || 4);
51 }
52 else {
53 indentValue = '\t';
54 }
55 var scanner = scanner_1.createScanner(formatText, false);
56 var hasError = false;
57 function newLineAndIndent() {
58 return eol + repeat(indentValue, initialIndentLevel + indentLevel);
59 }
60 function scanNext() {
61 var token = scanner.scan();
62 lineBreak = false;
63 while (token === 15 /* Trivia */ || token === 14 /* LineBreakTrivia */) {
64 lineBreak = lineBreak || (token === 14 /* LineBreakTrivia */);
65 token = scanner.scan();
66 }
67 hasError = token === 16 /* Unknown */ || scanner.getTokenError() !== 0 /* None */;
68 return token;
69 }
70 var editOperations = [];
71 function addEdit(text, startOffset, endOffset) {
72 if (!hasError && (!range || (startOffset < rangeEnd && endOffset > rangeStart)) && documentText.substring(startOffset, endOffset) !== text) {
73 editOperations.push({ offset: startOffset, length: endOffset - startOffset, content: text });
74 }
75 }
76 var firstToken = scanNext();
77 if (firstToken !== 17 /* EOF */) {
78 var firstTokenStart = scanner.getTokenOffset() + formatTextStart;
79 var initialIndent = repeat(indentValue, initialIndentLevel);
80 addEdit(initialIndent, formatTextStart, firstTokenStart);
81 }
82 while (firstToken !== 17 /* EOF */) {
83 var firstTokenEnd = scanner.getTokenOffset() + scanner.getTokenLength() + formatTextStart;
84 var secondToken = scanNext();
85 var replaceContent = '';
86 var needsLineBreak = false;
87 while (!lineBreak && (secondToken === 12 /* LineCommentTrivia */ || secondToken === 13 /* BlockCommentTrivia */)) {
88 // comments on the same line: keep them on the same line, but ignore them otherwise
89 var commentTokenStart = scanner.getTokenOffset() + formatTextStart;
90 addEdit(' ', firstTokenEnd, commentTokenStart);
91 firstTokenEnd = scanner.getTokenOffset() + scanner.getTokenLength() + formatTextStart;
92 needsLineBreak = secondToken === 12 /* LineCommentTrivia */;
93 replaceContent = needsLineBreak ? newLineAndIndent() : '';
94 secondToken = scanNext();
95 }
96 if (secondToken === 2 /* CloseBraceToken */) {
97 if (firstToken !== 1 /* OpenBraceToken */) {
98 indentLevel--;
99 replaceContent = newLineAndIndent();
100 }
101 }
102 else if (secondToken === 4 /* CloseBracketToken */) {
103 if (firstToken !== 3 /* OpenBracketToken */) {
104 indentLevel--;
105 replaceContent = newLineAndIndent();
106 }
107 }
108 else {
109 switch (firstToken) {
110 case 3 /* OpenBracketToken */:
111 case 1 /* OpenBraceToken */:
112 indentLevel++;
113 replaceContent = newLineAndIndent();
114 break;
115 case 5 /* CommaToken */:
116 case 12 /* LineCommentTrivia */:
117 replaceContent = newLineAndIndent();
118 break;
119 case 13 /* BlockCommentTrivia */:
120 if (lineBreak) {
121 replaceContent = newLineAndIndent();
122 }
123 else if (!needsLineBreak) {
124 // symbol following comment on the same line: keep on same line, separate with ' '
125 replaceContent = ' ';
126 }
127 break;
128 case 6 /* ColonToken */:
129 if (!needsLineBreak) {
130 replaceContent = ' ';
131 }
132 break;
133 case 10 /* StringLiteral */:
134 if (secondToken === 6 /* ColonToken */) {
135 if (!needsLineBreak) {
136 replaceContent = '';
137 }
138 break;
139 }
140 // fall through
141 case 7 /* NullKeyword */:
142 case 8 /* TrueKeyword */:
143 case 9 /* FalseKeyword */:
144 case 11 /* NumericLiteral */:
145 case 2 /* CloseBraceToken */:
146 case 4 /* CloseBracketToken */:
147 if (secondToken === 12 /* LineCommentTrivia */ || secondToken === 13 /* BlockCommentTrivia */) {
148 if (!needsLineBreak) {
149 replaceContent = ' ';
150 }
151 }
152 else if (secondToken !== 5 /* CommaToken */ && secondToken !== 17 /* EOF */) {
153 hasError = true;
154 }
155 break;
156 case 16 /* Unknown */:
157 hasError = true;
158 break;
159 }
160 if (lineBreak && (secondToken === 12 /* LineCommentTrivia */ || secondToken === 13 /* BlockCommentTrivia */)) {
161 replaceContent = newLineAndIndent();
162 }
163 }
164 if (secondToken === 17 /* EOF */) {
165 replaceContent = options.insertFinalNewline ? eol : '';
166 }
167 var secondTokenStart = scanner.getTokenOffset() + formatTextStart;
168 addEdit(replaceContent, firstTokenEnd, secondTokenStart);
169 firstToken = secondToken;
170 }
171 return editOperations;
172 }
173 exports.format = format;
174 function repeat(s, count) {
175 var result = '';
176 for (var i = 0; i < count; i++) {
177 result += s;
178 }
179 return result;
180 }
181 function computeIndentLevel(content, options) {
182 var i = 0;
183 var nChars = 0;
184 var tabSize = options.tabSize || 4;
185 while (i < content.length) {
186 var ch = content.charAt(i);
187 if (ch === ' ') {
188 nChars++;
189 }
190 else if (ch === '\t') {
191 nChars += tabSize;
192 }
193 else {
194 break;
195 }
196 i++;
197 }
198 return Math.floor(nChars / tabSize);
199 }
200 function getEOL(options, text) {
201 for (var i = 0; i < text.length; i++) {
202 var ch = text.charAt(i);
203 if (ch === '\r') {
204 if (i + 1 < text.length && text.charAt(i + 1) === '\n') {
205 return '\r\n';
206 }
207 return '\r';
208 }
209 else if (ch === '\n') {
210 return '\n';
211 }
212 }
213 return (options && options.eol) || '\n';
214 }
215 function isEOL(text, offset) {
216 return '\r\n'.indexOf(text.charAt(offset)) !== -1;
217 }
218 exports.isEOL = isEOL;
219});
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