1 |
|
2 |
|
3 |
|
4 |
|
5 |
|
6 |
|
7 |
|
8 |
|
9 |
|
10 | function handlebars(hljs) {
|
11 | const regex = hljs.regex;
|
12 | const BUILT_INS = {
|
13 | $pattern: /[\w.\/]+/,
|
14 | built_in: [
|
15 | 'action',
|
16 | 'bindattr',
|
17 | 'collection',
|
18 | 'component',
|
19 | 'concat',
|
20 | 'debugger',
|
21 | 'each',
|
22 | 'each-in',
|
23 | 'get',
|
24 | 'hash',
|
25 | 'if',
|
26 | 'in',
|
27 | 'input',
|
28 | 'link-to',
|
29 | 'loc',
|
30 | 'log',
|
31 | 'lookup',
|
32 | 'mut',
|
33 | 'outlet',
|
34 | 'partial',
|
35 | 'query-params',
|
36 | 'render',
|
37 | 'template',
|
38 | 'textarea',
|
39 | 'unbound',
|
40 | 'unless',
|
41 | 'view',
|
42 | 'with',
|
43 | 'yield'
|
44 | ]
|
45 | };
|
46 |
|
47 | const LITERALS = {
|
48 | $pattern: /[\w.\/]+/,
|
49 | literal: [
|
50 | 'true',
|
51 | 'false',
|
52 | 'undefined',
|
53 | 'null'
|
54 | ]
|
55 | };
|
56 |
|
57 |
|
58 |
|
59 |
|
60 |
|
61 | const DOUBLE_QUOTED_ID_REGEX = /""|"[^"]+"/;
|
62 | const SINGLE_QUOTED_ID_REGEX = /''|'[^']+'/;
|
63 | const BRACKET_QUOTED_ID_REGEX = /\[\]|\[[^\]]+\]/;
|
64 | const PLAIN_ID_REGEX = /[^\s!"#%&'()*+,.\/;<=>@\[\\\]^`{|}~]+/;
|
65 | const PATH_DELIMITER_REGEX = /(\.|\/)/;
|
66 | const ANY_ID = regex.either(
|
67 | DOUBLE_QUOTED_ID_REGEX,
|
68 | SINGLE_QUOTED_ID_REGEX,
|
69 | BRACKET_QUOTED_ID_REGEX,
|
70 | PLAIN_ID_REGEX
|
71 | );
|
72 |
|
73 | const IDENTIFIER_REGEX = regex.concat(
|
74 | regex.optional(/\.|\.\/|\//),
|
75 | ANY_ID,
|
76 | regex.anyNumberOfTimes(regex.concat(
|
77 | PATH_DELIMITER_REGEX,
|
78 | ANY_ID
|
79 | ))
|
80 | );
|
81 |
|
82 |
|
83 | const HASH_PARAM_REGEX = regex.concat(
|
84 | '(',
|
85 | BRACKET_QUOTED_ID_REGEX, '|',
|
86 | PLAIN_ID_REGEX,
|
87 | ')(?==)'
|
88 | );
|
89 |
|
90 | const HELPER_NAME_OR_PATH_EXPRESSION = {
|
91 | begin: IDENTIFIER_REGEX
|
92 | };
|
93 |
|
94 | const HELPER_PARAMETER = hljs.inherit(HELPER_NAME_OR_PATH_EXPRESSION, {
|
95 | keywords: LITERALS
|
96 | });
|
97 |
|
98 | const SUB_EXPRESSION = {
|
99 | begin: /\(/,
|
100 | end: /\)/
|
101 |
|
102 | };
|
103 |
|
104 | const HASH = {
|
105 |
|
106 | className: 'attr',
|
107 | begin: HASH_PARAM_REGEX,
|
108 | relevance: 0,
|
109 | starts: {
|
110 | begin: /=/,
|
111 | end: /=/,
|
112 | starts: {
|
113 | contains: [
|
114 | hljs.NUMBER_MODE,
|
115 | hljs.QUOTE_STRING_MODE,
|
116 | hljs.APOS_STRING_MODE,
|
117 | HELPER_PARAMETER,
|
118 | SUB_EXPRESSION
|
119 | ]
|
120 | }
|
121 | }
|
122 | };
|
123 |
|
124 | const BLOCK_PARAMS = {
|
125 |
|
126 | begin: /as\s+\|/,
|
127 | keywords: {
|
128 | keyword: 'as'
|
129 | },
|
130 | end: /\|/,
|
131 | contains: [
|
132 | {
|
133 |
|
134 | begin: /\w+/
|
135 | }
|
136 | ]
|
137 | };
|
138 |
|
139 | const HELPER_PARAMETERS = {
|
140 | contains: [
|
141 | hljs.NUMBER_MODE,
|
142 | hljs.QUOTE_STRING_MODE,
|
143 | hljs.APOS_STRING_MODE,
|
144 | BLOCK_PARAMS,
|
145 | HASH,
|
146 | HELPER_PARAMETER,
|
147 | SUB_EXPRESSION
|
148 | ],
|
149 | returnEnd: true
|
150 |
|
151 |
|
152 |
|
153 | };
|
154 |
|
155 | const SUB_EXPRESSION_CONTENTS = hljs.inherit(HELPER_NAME_OR_PATH_EXPRESSION, {
|
156 | className: 'name',
|
157 | keywords: BUILT_INS,
|
158 | starts: hljs.inherit(HELPER_PARAMETERS, {
|
159 | end: /\)/
|
160 | })
|
161 | });
|
162 |
|
163 | SUB_EXPRESSION.contains = [SUB_EXPRESSION_CONTENTS];
|
164 |
|
165 | const OPENING_BLOCK_MUSTACHE_CONTENTS = hljs.inherit(HELPER_NAME_OR_PATH_EXPRESSION, {
|
166 | keywords: BUILT_INS,
|
167 | className: 'name',
|
168 | starts: hljs.inherit(HELPER_PARAMETERS, {
|
169 | end: /\}\}/
|
170 | })
|
171 | });
|
172 |
|
173 | const CLOSING_BLOCK_MUSTACHE_CONTENTS = hljs.inherit(HELPER_NAME_OR_PATH_EXPRESSION, {
|
174 | keywords: BUILT_INS,
|
175 | className: 'name'
|
176 | });
|
177 |
|
178 | const BASIC_MUSTACHE_CONTENTS = hljs.inherit(HELPER_NAME_OR_PATH_EXPRESSION, {
|
179 | className: 'name',
|
180 | keywords: BUILT_INS,
|
181 | starts: hljs.inherit(HELPER_PARAMETERS, {
|
182 | end: /\}\}/
|
183 | })
|
184 | });
|
185 |
|
186 | const ESCAPE_MUSTACHE_WITH_PRECEEDING_BACKSLASH = {
|
187 | begin: /\\\{\{/,
|
188 | skip: true
|
189 | };
|
190 | const PREVENT_ESCAPE_WITH_ANOTHER_PRECEEDING_BACKSLASH = {
|
191 | begin: /\\\\(?=\{\{)/,
|
192 | skip: true
|
193 | };
|
194 |
|
195 | return {
|
196 | name: 'Handlebars',
|
197 | aliases: [
|
198 | 'hbs',
|
199 | 'html.hbs',
|
200 | 'html.handlebars',
|
201 | 'htmlbars'
|
202 | ],
|
203 | case_insensitive: true,
|
204 | subLanguage: 'xml',
|
205 | contains: [
|
206 | ESCAPE_MUSTACHE_WITH_PRECEEDING_BACKSLASH,
|
207 | PREVENT_ESCAPE_WITH_ANOTHER_PRECEEDING_BACKSLASH,
|
208 | hljs.COMMENT(/\{\{!--/, /--\}\}/),
|
209 | hljs.COMMENT(/\{\{!/, /\}\}/),
|
210 | {
|
211 |
|
212 | className: 'template-tag',
|
213 | begin: /\{\{\{\{(?!\/)/,
|
214 | end: /\}\}\}\}/,
|
215 | contains: [OPENING_BLOCK_MUSTACHE_CONTENTS],
|
216 | starts: {
|
217 | end: /\{\{\{\{\//,
|
218 | returnEnd: true,
|
219 | subLanguage: 'xml'
|
220 | }
|
221 | },
|
222 | {
|
223 |
|
224 | className: 'template-tag',
|
225 | begin: /\{\{\{\{\//,
|
226 | end: /\}\}\}\}/,
|
227 | contains: [CLOSING_BLOCK_MUSTACHE_CONTENTS]
|
228 | },
|
229 | {
|
230 |
|
231 | className: 'template-tag',
|
232 | begin: /\{\{#/,
|
233 | end: /\}\}/,
|
234 | contains: [OPENING_BLOCK_MUSTACHE_CONTENTS]
|
235 | },
|
236 | {
|
237 | className: 'template-tag',
|
238 | begin: /\{\{(?=else\}\})/,
|
239 | end: /\}\}/,
|
240 | keywords: 'else'
|
241 | },
|
242 | {
|
243 | className: 'template-tag',
|
244 | begin: /\{\{(?=else if)/,
|
245 | end: /\}\}/,
|
246 | keywords: 'else if'
|
247 | },
|
248 | {
|
249 |
|
250 | className: 'template-tag',
|
251 | begin: /\{\{\//,
|
252 | end: /\}\}/,
|
253 | contains: [CLOSING_BLOCK_MUSTACHE_CONTENTS]
|
254 | },
|
255 | {
|
256 |
|
257 | className: 'template-variable',
|
258 | begin: /\{\{\{/,
|
259 | end: /\}\}\}/,
|
260 | contains: [BASIC_MUSTACHE_CONTENTS]
|
261 | },
|
262 | {
|
263 |
|
264 | className: 'template-variable',
|
265 | begin: /\{\{/,
|
266 | end: /\}\}/,
|
267 | contains: [BASIC_MUSTACHE_CONTENTS]
|
268 | }
|
269 | ]
|
270 | };
|
271 | }
|
272 |
|
273 | export { handlebars as default };
|