Who is this for?
Anyone who
The Svelte compilation process can be broken down into 4-steps
const (source =fs readFileSync ‘App.svelte’
const ast (= parse ( ( )
const ast (= parse ( ( )
(
const component (=new (Component)
( ast
)
const renderer
= options
. generate===(‘ssr’ (SSRRenderer)
( component
)
DomRenderer
(component
) 
const (js
) , css } = renderer . render .
fs (writeFileSync (
‘App.js’
, js ) fs (writeFileSync (
‘App.css’ , css )
1. Parsing source code into AST
const ast (= parse ( ( )
(
The Svelte syntax is a superset of HTML. Svelte implements its own parser for the Svelte syntax, which handles:
HTML syntax
Curly brackets
{data}
Logic blocks
{# each list as item}
The The Svelte parser handles specially for tag, it uses acorn to parse the content within the tag. When the parser sees a
tag, it uses
const component (=new (Component)
( ast
)
const renderer
= options
. generate===(‘ssr’ (SSRRenderer)
( component
)
DomRenderer
(component
)
const (js
) , css } = renderer . render .
fs (writeFileSync (
‘App.js’
, js ) fs (writeFileSync (
‘App.css’ , css )
1. Parsing source code into AST
const ast (= parse ( ( )
(
The Svelte syntax is a superset of HTML. Svelte implements its own parser for the Svelte syntax, which handles:
HTML syntax
Curly brackets
{data}
Logic blocks
{# each list as item}
The The Svelte parser handles specially for tag, it uses acorn to parse the content within the tag. When the parser sees a
tag, it uses
)
const renderer
= options
. generate===(‘ssr’ (SSRRenderer)
( component
)
DomRenderer
(component
)
const (js
) , css } = renderer . render .
fs (writeFileSync (
‘App.js’
, js ) fs (writeFileSync (
‘App.css’ , css )
1. Parsing source code into AST
const ast (= parse ( ( )
(
The Svelte syntax is a superset of HTML. Svelte implements its own parser for the Svelte syntax, which handles:
HTML syntax
Curly brackets
{data}
Logic blocks
{# each list as item}
The The Svelte parser handles specially for tag, it uses acorn to parse the content within the tag. When the parser sees a
tag, it uses
= options
. generate===(‘ssr’ (SSRRenderer)
( component
)
DomRenderer
(component
)
const (js
) , css } = renderer . render .
fs (writeFileSync (
‘App.js’
, js ) fs (writeFileSync (
‘App.css’ , css )
1. Parsing source code into AST
const ast (= parse ( ( )
(
The Svelte syntax is a superset of HTML. Svelte implements its own parser for the Svelte syntax, which handles:
HTML syntax
Curly brackets
{data}
Logic blocks
{# each list as item}
The The Svelte parser handles specially for tag, it uses acorn to parse the content within the tag. When the parser sees a
tag, it uses
( component
)
DomRenderer
(component
)
const (js
) , css } = renderer . render .
fs (writeFileSync (
‘App.js’
, js ) fs (writeFileSync (
‘App.css’ , css )
1. Parsing source code into AST
const ast (= parse ( ( )
(
The Svelte syntax is a superset of HTML. Svelte implements its own parser for the Svelte syntax, which handles:
HTML syntax
Curly brackets
{data}
Logic blocks
{# each list as item}
The The Svelte parser handles specially for tag, it uses acorn to parse the content within the tag. When the parser sees a
tag, it uses
DomRenderer
const (js
) , css } = renderer . render .
(
(
1. Parsing source code into AST
const ast (= parse ( ( )
(
The Svelte syntax is a superset of HTML. Svelte implements its own parser for the Svelte syntax, which handles:
HTML syntax
Curly brackets
{data}
Logic blocks
{# each list as item}
The The Svelte parser handles specially for tag, it uses acorn to parse the content within the tag. When the parser sees a
tag, it uses
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