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svelte
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fix line numbers for context node for sourcemap

Browse Source
pull/4596/head
Tan Li Hau 5 years ago
parent 794479664d
commit 78c5af9a52
3 changed files with 167 additions and 55 deletions
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12
src/compiler/parse/read/context.ts
Unescape View File

@ -62,8 +62,18 @@ export default function read_context(
const pattern_string = parser.template.slice(start, i);
try {
// the length of the `space_with_newline` has to be start - 1
// because we added a `(` in front of the pattern_string,
// which shifted the entire string to right by 1
// so we offset it by removing 1 character in the `space_with_newline`
// to achieve that, we remove the 1st space encountered,
// so it will not affect the `column` of the node
let space_with_newline = parser.template.slice(0, start).replace(/[^\n]/g, ' ');
const first_space = space_with_newline.indexOf(' ');
space_with_newline = space_with_newline.slice(0, first_space) + space_with_newline.slice(first_space + 1);
return (parse_expression_at(
`${" ".repeat(start - 1)}(${pattern_string} = 1)`,
`${space_with_newline}(${pattern_string} = 1)`,
start - 1
) as any).left;
} catch (error) {

4
test/parser/samples/each-block-destructured/input.svelte
Unescape View File

@ -1,3 +1,7 @@
<script>
export let animals;
</script>
{#each animals as [key, value, ...rest]}
<p>{key}: {value}</p>
{/each}

206
test/parser/samples/each-block-destructured/output.json
Unescape View File

@ -1,24 +1,31 @@
{
"html": {
"start": 0,
"end": 71,
"start": 41,
"end": 112,
"type": "Fragment",
"children": [
{
"start": 0,
"end": 71,
"start": 39,
"end": 41,
"type": "Text",
"raw": "\n\n",
"data": "\n\n"
},
{
"start": 41,
"end": 112,
"type": "EachBlock",
"expression": {
"type": "Identifier",
"start": 7,
"end": 14,
"start": 48,
"end": 55,
"loc": {
"start": {
"line": 1,
"line": 5,
"column": 7
},
"end": {
"line": 1,
"line": 5,
"column": 14
}
},
@ -26,27 +33,27 @@
},
"children": [
{
"start": 42,
"end": 63,
"start": 83,
"end": 104,
"type": "Element",
"name": "p",
"attributes": [],
"children": [
{
"start": 45,
"end": 50,
"start": 86,
"end": 91,
"type": "MustacheTag",
"expression": {
"type": "Identifier",
"start": 46,
"end": 49,
"start": 87,
"end": 90,
"loc": {
"start": {
"line": 2,
"line": 6,
"column": 5
},
"end": {
"line": 2,
"line": 6,
"column": 8
}
},
@ -54,27 +61,27 @@
}
},
{
"start": 50,
"end": 52,
"start": 91,
"end": 93,
"type": "Text",
"raw": ": ",
"data": ": "
},
{
"start": 52,
"end": 59,
"start": 93,
"end": 100,
"type": "MustacheTag",
"expression": {
"type": "Identifier",
"start": 53,
"end": 58,
"start": 94,
"end": 99,
"loc": {
"start": {
"line": 2,
"line": 6,
"column": 12
},
"end": {
"line": 2,
"line": 6,
"column": 17
}
},
@ -86,77 +93,77 @@
],
"context": {
"type": "ArrayPattern",
"start": 18,
"end": 39,
"start": 59,
"end": 80,
"loc": {
"start": {
"line": 1,
"column": 18
"line": 5,
"column": 19
},
"end": {
"line": 1,
"column": 39
"line": 5,
"column": 40
}
},
"elements": [
{
"type": "Identifier",
"start": 19,
"end": 22,
"start": 60,
"end": 63,
"loc": {
"start": {
"line": 1,
"column": 19
"line": 5,
"column": 20
},
"end": {
"line": 1,
"column": 22
"line": 5,
"column": 23
}
},
"name": "key"
},
{
"type": "Identifier",
"start": 24,
"end": 29,
"start": 65,
"end": 70,
"loc": {
"start": {
"line": 1,
"column": 24
"line": 5,
"column": 25
},
"end": {
"line": 1,
"column": 29
"line": 5,
"column": 30
}
},
"name": "value"
},
{
"type": "RestElement",
"start": 31,
"end": 38,
"start": 72,
"end": 79,
"loc": {
"start": {
"line": 1,
"column": 31
"line": 5,
"column": 32
},
"end": {
"line": 1,
"column": 38
"line": 5,
"column": 39
}
},
"argument": {
"type": "Identifier",
"start": 34,
"end": 38,
"start": 75,
"end": 79,
"loc": {
"start": {
"line": 1,
"column": 34
"line": 5,
"column": 35
},
"end": {
"line": 1,
"column": 38
"line": 5,
"column": 39
}
},
"name": "rest"
@ -166,5 +173,96 @@
}
}
]
},
"instance": {
"type": "Script",
"start": 0,
"end": 39,
"context": "default",
"content": {
"type": "Program",
"start": 8,
"end": 30,
"loc": {
"start": {
"line": 1,
"column": 0
},
"end": {
"line": 3,
"column": 0
}
},
"body": [
{
"type": "ExportNamedDeclaration",
"start": 10,
"end": 29,
"loc": {
"start": {
"line": 2,
"column": 1
},
"end": {
"line": 2,
"column": 20
}
},
"declaration": {
"type": "VariableDeclaration",
"start": 17,
"end": 29,
"loc": {
"start": {
"line": 2,
"column": 8
},
"end": {
"line": 2,
"column": 20
}
},
"declarations": [
{
"type": "VariableDeclarator",
"start": 21,
"end": 28,
"loc": {
"start": {
"line": 2,
"column": 12
},
"end": {
"line": 2,
"column": 19
}
},
"id": {
"type": "Identifier",
"start": 21,
"end": 28,
"loc": {
"start": {
"line": 2,
"column": 12
},
"end": {
"line": 2,
"column": 19
}
},
"name": "animals"
},
"init": null
}
],
"kind": "let"
},
"specifiers": [],
"source": null
}
],
"sourceType": "module"
}
}
}
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