Skip to content

Commit 8b179dd

Browse files
baseballyamabaseballyama
authoredJan 12, 2025··
fix: do not throw error if <script> exists inside {@html} (#630)
·
v1.1.1v1.0.0-next.8
1 parent 9030e9e commit 8b179dd

File tree

5 files changed

+285
-0
lines changed

5 files changed

+285
-0
lines changed
 

‎.changeset/sharp-guests-sniff.md

+5
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,5 @@
1+
---
2+
"svelte-eslint-parser": patch
3+
---
4+
5+
fix: prevent errors when `<script>` tags are used inside `{@html}`

‎src/context/index.ts

+12
Original file line numberDiff line numberDiff line change
@@ -383,6 +383,14 @@ type SelfClosingBlock = {
383383
startTagRange: [number, number];
384384
};
385385

386+
function isValidStartTagOpenIndex(
387+
code: string,
388+
startTagOpenIndex: number,
389+
): boolean {
390+
const prev = code.slice(0, startTagOpenIndex);
391+
return />\s*$|^\s*$/m.test(prev);
392+
}
393+
386394
/** Extract <script> blocks */
387395
function* extractBlocks(code: string): IterableIterator<Block> {
388396
const startTagOpenRe = /<!--[\s\S]*?-->|<(script|style|template)([\s>])/giu;
@@ -396,6 +404,10 @@ function* extractBlocks(code: string): IterableIterator<Block> {
396404
continue;
397405
}
398406
const startTagStart = startTagOpenMatch.index;
407+
if (!isValidStartTagOpenIndex(code, startTagStart)) {
408+
continue;
409+
}
410+
399411
let startTagEnd = startTagOpenRe.lastIndex;
400412

401413
const lowerTag = tag.toLowerCase() as "script" | "style" | "template";

‎tests/fixtures/parser/ast/at-html01-input.svelte

+1
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
1+
{@html `<script>var x = ${50}</script>`}

‎tests/fixtures/parser/ast/at-html01-output.json

+233
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,233 @@
1+
{
2+
"type": "Program",
3+
"body": [
4+
{
5+
"type": "SvelteMustacheTag",
6+
"kind": "raw",
7+
"expression": {
8+
"type": "TemplateLiteral",
9+
"expressions": [
10+
{
11+
"type": "Literal",
12+
"raw": "50",
13+
"value": 50,
14+
"range": [
15+
26,
16+
28
17+
],
18+
"loc": {
19+
"start": {
20+
"line": 1,
21+
"column": 26
22+
},
23+
"end": {
24+
"line": 1,
25+
"column": 28
26+
}
27+
}
28+
}
29+
],
30+
"quasis": [
31+
{
32+
"type": "TemplateElement",
33+
"tail": false,
34+
"value": {
35+
"cooked": "<script>var x = ",
36+
"raw": "<script>var x = "
37+
},
38+
"range": [
39+
7,
40+
26
41+
],
42+
"loc": {
43+
"start": {
44+
"line": 1,
45+
"column": 7
46+
},
47+
"end": {
48+
"line": 1,
49+
"column": 26
50+
}
51+
}
52+
},
53+
{
54+
"type": "TemplateElement",
55+
"tail": true,
56+
"value": {
57+
"cooked": "</script>",
58+
"raw": "</script>"
59+
},
60+
"range": [
61+
28,
62+
39
63+
],
64+
"loc": {
65+
"start": {
66+
"line": 1,
67+
"column": 28
68+
},
69+
"end": {
70+
"line": 1,
71+
"column": 39
72+
}
73+
}
74+
}
75+
],
76+
"range": [
77+
7,
78+
39
79+
],
80+
"loc": {
81+
"start": {
82+
"line": 1,
83+
"column": 7
84+
},
85+
"end": {
86+
"line": 1,
87+
"column": 39
88+
}
89+
}
90+
},
91+
"range": [
92+
0,
93+
40
94+
],
95+
"loc": {
96+
"start": {
97+
"line": 1,
98+
"column": 0
99+
},
100+
"end": {
101+
"line": 1,
102+
"column": 40
103+
}
104+
}
105+
}
106+
],
107+
"sourceType": "module",
108+
"comments": [],
109+
"tokens": [
110+
{
111+
"type": "Punctuator",
112+
"value": "{",
113+
"range": [
114+
0,
115+
1
116+
],
117+
"loc": {
118+
"start": {
119+
"line": 1,
120+
"column": 0
121+
},
122+
"end": {
123+
"line": 1,
124+
"column": 1
125+
}
126+
}
127+
},
128+
{
129+
"type": "MustacheKeyword",
130+
"value": "@html",
131+
"range": [
132+
1,
133+
6
134+
],
135+
"loc": {
136+
"start": {
137+
"line": 1,
138+
"column": 1
139+
},
140+
"end": {
141+
"line": 1,
142+
"column": 6
143+
}
144+
}
145+
},
146+
{
147+
"type": "Template",
148+
"value": "`<script>var x = ${",
149+
"range": [
150+
7,
151+
26
152+
],
153+
"loc": {
154+
"start": {
155+
"line": 1,
156+
"column": 7
157+
},
158+
"end": {
159+
"line": 1,
160+
"column": 26
161+
}
162+
}
163+
},
164+
{
165+
"type": "Numeric",
166+
"value": "50",
167+
"range": [
168+
26,
169+
28
170+
],
171+
"loc": {
172+
"start": {
173+
"line": 1,
174+
"column": 26
175+
},
176+
"end": {
177+
"line": 1,
178+
"column": 28
179+
}
180+
}
181+
},
182+
{
183+
"type": "Template",
184+
"value": "}</script>`",
185+
"range": [
186+
28,
187+
39
188+
],
189+
"loc": {
190+
"start": {
191+
"line": 1,
192+
"column": 28
193+
},
194+
"end": {
195+
"line": 1,
196+
"column": 39
197+
}
198+
}
199+
},
200+
{
201+
"type": "Punctuator",
202+
"value": "}",
203+
"range": [
204+
39,
205+
40
206+
],
207+
"loc": {
208+
"start": {
209+
"line": 1,
210+
"column": 39
211+
},
212+
"end": {
213+
"line": 1,
214+
"column": 40
215+
}
216+
}
217+
}
218+
],
219+
"range": [
220+
0,
221+
41
222+
],
223+
"loc": {
224+
"start": {
225+
"line": 1,
226+
"column": 0
227+
},
228+
"end": {
229+
"line": 2,
230+
"column": 0
231+
}
232+
}
233+
}

‎tests/fixtures/parser/ast/at-html01-scope-output.json

+34
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
1+
{
2+
"type": "global",
3+
"variables": [
4+
{
5+
"name": "$$slots",
6+
"identifiers": [],
7+
"defs": [],
8+
"references": []
9+
},
10+
{
11+
"name": "$$props",
12+
"identifiers": [],
13+
"defs": [],
14+
"references": []
15+
},
16+
{
17+
"name": "$$restProps",
18+
"identifiers": [],
19+
"defs": [],
20+
"references": []
21+
}
22+
],
23+
"references": [],
24+
"childScopes": [
25+
{
26+
"type": "module",
27+
"variables": [],
28+
"references": [],
29+
"childScopes": [],
30+
"through": []
31+
}
32+
],
33+
"through": []
34+
}

0 commit comments

Comments
 (0)
Please sign in to comment.