1#![feature(min_specialization)]
9#![feature(arbitrary_self_types)]
10#![feature(arbitrary_self_types_pointers)]
11
12use std::fmt::Write;
13
14use anyhow::{Error, Result, bail};
15use turbo_rcstr::rcstr;
16use turbo_tasks::{ResolvedVc, ValueToString, Vc};
17use turbo_tasks_fs::{FileContent, FileJsonContent, glob::Glob};
18use turbopack_core::{
19 asset::{Asset, AssetContent},
20 chunk::{ChunkItem, ChunkType, ChunkableModule, ChunkingContext},
21 ident::AssetIdent,
22 module::Module,
23 module_graph::ModuleGraph,
24 source::Source,
25};
26use turbopack_ecmascript::{
27 chunk::{
28 EcmascriptChunkItem, EcmascriptChunkItemContent, EcmascriptChunkPlaceable,
29 EcmascriptChunkType, EcmascriptExports,
30 },
31 runtime_functions::TURBOPACK_EXPORT_VALUE,
32};
33
34#[turbo_tasks::value]
35pub struct JsonModuleAsset {
36 source: ResolvedVc<Box<dyn Source>>,
37}
38
39#[turbo_tasks::value_impl]
40impl JsonModuleAsset {
41 #[turbo_tasks::function]
42 pub fn new(source: ResolvedVc<Box<dyn Source>>) -> Vc<Self> {
43 Self::cell(JsonModuleAsset { source })
44 }
45}
46
47#[turbo_tasks::value_impl]
48impl Module for JsonModuleAsset {
49 #[turbo_tasks::function]
50 fn ident(&self) -> Vc<AssetIdent> {
51 self.source.ident().with_modifier(rcstr!("json"))
52 }
53}
54
55#[turbo_tasks::value_impl]
56impl Asset for JsonModuleAsset {
57 #[turbo_tasks::function]
58 fn content(&self) -> Vc<AssetContent> {
59 self.source.content()
60 }
61}
62
63#[turbo_tasks::value_impl]
64impl ChunkableModule for JsonModuleAsset {
65 #[turbo_tasks::function]
66 fn as_chunk_item(
67 self: ResolvedVc<Self>,
68 _module_graph: Vc<ModuleGraph>,
69 chunking_context: ResolvedVc<Box<dyn ChunkingContext>>,
70 ) -> Vc<Box<dyn turbopack_core::chunk::ChunkItem>> {
71 Vc::upcast(JsonChunkItem::cell(JsonChunkItem {
72 module: self,
73 chunking_context,
74 }))
75 }
76}
77
78#[turbo_tasks::value_impl]
79impl EcmascriptChunkPlaceable for JsonModuleAsset {
80 #[turbo_tasks::function]
81 fn get_exports(&self) -> Vc<EcmascriptExports> {
82 EcmascriptExports::Value.cell()
83 }
84
85 #[turbo_tasks::function]
86 fn is_marked_as_side_effect_free(&self, _side_effect_free_packages: Vc<Glob>) -> Vc<bool> {
87 Vc::cell(true)
88 }
89}
90
91#[turbo_tasks::value]
92struct JsonChunkItem {
93 module: ResolvedVc<JsonModuleAsset>,
94 chunking_context: ResolvedVc<Box<dyn ChunkingContext>>,
95}
96
97#[turbo_tasks::value_impl]
98impl ChunkItem for JsonChunkItem {
99 #[turbo_tasks::function]
100 fn asset_ident(&self) -> Vc<AssetIdent> {
101 self.module.ident()
102 }
103
104 #[turbo_tasks::function]
105 fn chunking_context(&self) -> Vc<Box<dyn ChunkingContext>> {
106 Vc::upcast(*self.chunking_context)
107 }
108
109 #[turbo_tasks::function]
110 async fn ty(&self) -> Result<Vc<Box<dyn ChunkType>>> {
111 Ok(Vc::upcast(
112 Vc::<EcmascriptChunkType>::default().resolve().await?,
113 ))
114 }
115
116 #[turbo_tasks::function]
117 fn module(&self) -> Vc<Box<dyn Module>> {
118 Vc::upcast(*self.module)
119 }
120}
121
122#[turbo_tasks::value_impl]
123impl EcmascriptChunkItem for JsonChunkItem {
124 #[turbo_tasks::function]
125 async fn content(&self) -> Result<Vc<EcmascriptChunkItemContent>> {
126 let content = self.module.content().file_content();
129 let data = content.parse_json().await?;
130 match &*data {
131 FileJsonContent::Content(data) => {
132 let js_str_content = serde_json::to_string(&data.to_string())?;
133 let inner_code = format!("{TURBOPACK_EXPORT_VALUE}(JSON.parse({js_str_content}));");
134
135 Ok(EcmascriptChunkItemContent {
136 inner_code: inner_code.into(),
137 ..Default::default()
138 }
139 .into())
140 }
141 FileJsonContent::Unparsable(e) => {
142 let mut message = "Unable to make a module from invalid JSON: ".to_string();
143 if let FileContent::Content(content) = &*content.await? {
144 let text = content.content().to_str()?;
145 e.write_with_content(&mut message, text.as_ref())?;
146 } else {
147 write!(message, "{e}")?;
148 }
149
150 Err(Error::msg(message))
151 }
152 FileJsonContent::NotFound => {
153 bail!(
154 "JSON file not found: {}",
155 self.module.ident().to_string().await?
156 );
157 }
158 }
159 }
160}
161
162pub fn register() {
163 turbo_tasks::register();
164 turbo_tasks_fs::register();
165 turbopack_core::register();
166 turbopack_ecmascript::register();
167 include!(concat!(env!("OUT_DIR"), "/register.rs"));
168}