deno/cli/tools/doc.rs
2024-06-28 05:03:51 -07:00

543 lines
15 KiB
Rust

// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
use crate::args::DocFlags;
use crate::args::DocHtmlFlag;
use crate::args::DocSourceFileFlag;
use crate::args::Flags;
use crate::colors;
use crate::display::write_json_to_stdout;
use crate::display::write_to_stdout_ignore_sigpipe;
use crate::factory::CliFactory;
use crate::graph_util::graph_exit_lock_errors;
use crate::tsc::get_types_declaration_file_text;
use crate::util::fs::collect_specifiers;
use deno_ast::diagnostics::Diagnostic;
use deno_config::glob::FilePatterns;
use deno_config::glob::PathOrPatternSet;
use deno_core::anyhow::bail;
use deno_core::anyhow::Context;
use deno_core::error::AnyError;
use deno_doc as doc;
use deno_doc::html::UrlResolveKind;
use deno_graph::source::NullFileSystem;
use deno_graph::GraphKind;
use deno_graph::ModuleAnalyzer;
use deno_graph::ModuleParser;
use deno_graph::ModuleSpecifier;
use doc::html::ShortPath;
use doc::DocDiagnostic;
use indexmap::IndexMap;
use std::collections::BTreeMap;
use std::rc::Rc;
async fn generate_doc_nodes_for_builtin_types(
doc_flags: DocFlags,
parser: &dyn ModuleParser,
analyzer: &dyn ModuleAnalyzer,
) -> Result<IndexMap<ModuleSpecifier, Vec<doc::DocNode>>, AnyError> {
let source_file_specifier =
ModuleSpecifier::parse("file:///lib.deno.d.ts").unwrap();
let content = get_types_declaration_file_text();
let loader = deno_graph::source::MemoryLoader::new(
vec![(
source_file_specifier.to_string(),
deno_graph::source::Source::Module {
specifier: source_file_specifier.to_string(),
content,
maybe_headers: None,
},
)],
Vec::new(),
);
let mut graph = deno_graph::ModuleGraph::new(GraphKind::TypesOnly);
graph
.build(
vec![source_file_specifier.clone()],
&loader,
deno_graph::BuildOptions {
imports: Vec::new(),
is_dynamic: false,
passthrough_jsr_specifiers: false,
workspace_members: &[],
executor: Default::default(),
file_system: &NullFileSystem,
jsr_url_provider: Default::default(),
locker: None,
module_analyzer: analyzer,
npm_resolver: None,
reporter: None,
resolver: None,
},
)
.await;
let doc_parser = doc::DocParser::new(
&graph,
parser,
doc::DocParserOptions {
diagnostics: false,
private: doc_flags.private,
},
)?;
let nodes = doc_parser.parse_module(&source_file_specifier)?.definitions;
Ok(IndexMap::from([(source_file_specifier, nodes)]))
}
pub async fn doc(flags: Flags, doc_flags: DocFlags) -> Result<(), AnyError> {
let factory = CliFactory::from_flags(flags)?;
let cli_options = factory.cli_options();
let module_info_cache = factory.module_info_cache()?;
let parsed_source_cache = factory.parsed_source_cache();
let capturing_parser = parsed_source_cache.as_capturing_parser();
let analyzer = module_info_cache.as_module_analyzer(parsed_source_cache);
let doc_nodes_by_url = match doc_flags.source_files {
DocSourceFileFlag::Builtin => {
generate_doc_nodes_for_builtin_types(
doc_flags.clone(),
&capturing_parser,
&analyzer,
)
.await?
}
DocSourceFileFlag::Paths(ref source_files) => {
let module_graph_creator = factory.module_graph_creator().await?;
let maybe_lockfile = factory.maybe_lockfile();
let module_specifiers = collect_specifiers(
FilePatterns {
base: cli_options.initial_cwd().to_path_buf(),
include: Some(
PathOrPatternSet::from_include_relative_path_or_patterns(
cli_options.initial_cwd(),
source_files,
)?,
),
exclude: Default::default(),
},
cli_options.vendor_dir_path().map(ToOwned::to_owned),
|_| true,
)?;
let graph = module_graph_creator
.create_graph(GraphKind::TypesOnly, module_specifiers.clone())
.await?;
if maybe_lockfile.is_some() {
graph_exit_lock_errors(&graph);
}
let doc_parser = doc::DocParser::new(
&graph,
&capturing_parser,
doc::DocParserOptions {
private: doc_flags.private,
diagnostics: doc_flags.lint,
},
)?;
let mut doc_nodes_by_url =
IndexMap::with_capacity(module_specifiers.len());
for module_specifier in module_specifiers {
let nodes = doc_parser.parse_with_reexports(&module_specifier)?;
doc_nodes_by_url.insert(module_specifier, nodes);
}
if doc_flags.lint {
let diagnostics = doc_parser.take_diagnostics();
check_diagnostics(&diagnostics)?;
}
doc_nodes_by_url
}
};
if let Some(html_options) = &doc_flags.html {
let deno_ns = if doc_flags.source_files != DocSourceFileFlag::Builtin {
let deno_ns = generate_doc_nodes_for_builtin_types(
doc_flags.clone(),
&capturing_parser,
&analyzer,
)
.await?;
let (_, deno_ns) = deno_ns.into_iter().next().unwrap();
let short_path = Rc::new(ShortPath::new(
ModuleSpecifier::parse("file:///lib.deno.d.ts").unwrap(),
None,
None,
None,
));
deno_doc::html::compute_namespaced_symbols(
&deno_ns
.into_iter()
.map(|node| deno_doc::html::DocNodeWithContext {
origin: short_path.clone(),
ns_qualifiers: Rc::new(vec![]),
kind_with_drilldown:
deno_doc::html::DocNodeKindWithDrilldown::Other(node.kind),
inner: std::sync::Arc::new(node),
drilldown_parent_kind: None,
parent: None,
})
.collect::<Vec<_>>(),
)
} else {
Default::default()
};
let rewrite_map =
if let Some(config_file) = cli_options.maybe_config_file().clone() {
let config = config_file.to_exports_config()?;
let rewrite_map = config
.clone()
.into_map()
.into_keys()
.map(|key| {
Ok((
config.get_resolved(&key)?.unwrap(),
key
.strip_prefix('.')
.unwrap_or(&key)
.strip_prefix('/')
.unwrap_or(&key)
.to_owned(),
))
})
.collect::<Result<IndexMap<_, _>, AnyError>>()?;
Some(rewrite_map)
} else {
None
};
generate_docs_directory(
doc_nodes_by_url,
html_options,
deno_ns,
rewrite_map,
)
} else {
let modules_len = doc_nodes_by_url.len();
let doc_nodes =
doc_nodes_by_url.into_values().flatten().collect::<Vec<_>>();
if doc_flags.json {
write_json_to_stdout(&doc_nodes)
} else if doc_flags.lint {
// don't output docs if running with only the --lint flag
log::info!(
"Checked {} file{}",
modules_len,
if modules_len == 1 { "" } else { "s" }
);
Ok(())
} else {
print_docs_to_stdout(doc_flags, doc_nodes)
}
}
}
struct DocResolver {
deno_ns: std::collections::HashSet<Vec<String>>,
strip_trailing_html: bool,
}
impl deno_doc::html::HrefResolver for DocResolver {
fn resolve_path(
&self,
current: UrlResolveKind,
target: UrlResolveKind,
) -> String {
let path = deno_doc::html::href_path_resolve(current, target);
if self.strip_trailing_html {
if let Some(path) = path
.strip_suffix("index.html")
.or_else(|| path.strip_suffix(".html"))
{
return path.to_owned();
}
}
path
}
fn resolve_global_symbol(&self, symbol: &[String]) -> Option<String> {
if self.deno_ns.contains(symbol) {
Some(format!(
"https://deno.land/api@v{}?s={}",
env!("CARGO_PKG_VERSION"),
symbol.join(".")
))
} else {
None
}
}
fn resolve_import_href(
&self,
symbol: &[String],
src: &str,
) -> Option<String> {
let mut url = ModuleSpecifier::parse(src).ok()?;
if url.domain() == Some("deno.land") {
url.set_query(Some(&format!("s={}", symbol.join("."))));
return Some(url.to_string());
}
None
}
fn resolve_usage(&self, current_resolve: UrlResolveKind) -> Option<String> {
current_resolve.get_file().map(|file| file.path.to_string())
}
fn resolve_source(&self, location: &deno_doc::Location) -> Option<String> {
Some(location.filename.clone())
}
}
struct DenoDocResolver(bool);
impl deno_doc::html::HrefResolver for DenoDocResolver {
fn resolve_path(
&self,
current: UrlResolveKind,
target: UrlResolveKind,
) -> String {
let path = deno_doc::html::href_path_resolve(current, target);
if self.0 {
if let Some(path) = path
.strip_suffix("index.html")
.or_else(|| path.strip_suffix(".html"))
{
return path.to_owned();
}
}
path
}
fn resolve_global_symbol(&self, _symbol: &[String]) -> Option<String> {
None
}
fn resolve_import_href(
&self,
_symbol: &[String],
_src: &str,
) -> Option<String> {
None
}
fn resolve_usage(&self, _current_resolve: UrlResolveKind) -> Option<String> {
None
}
fn resolve_source(&self, _location: &deno_doc::Location) -> Option<String> {
None
}
}
struct NodeDocResolver(bool);
impl deno_doc::html::HrefResolver for NodeDocResolver {
fn resolve_path(
&self,
current: UrlResolveKind,
target: UrlResolveKind,
) -> String {
let path = deno_doc::html::href_path_resolve(current, target);
if self.0 {
if let Some(path) = path
.strip_suffix("index.html")
.or_else(|| path.strip_suffix(".html"))
{
return path.to_owned();
}
}
path
}
fn resolve_global_symbol(&self, _symbol: &[String]) -> Option<String> {
None
}
fn resolve_import_href(
&self,
_symbol: &[String],
_src: &str,
) -> Option<String> {
None
}
fn resolve_usage(&self, current_resolve: UrlResolveKind) -> Option<String> {
current_resolve
.get_file()
.map(|file| format!("node:{}", file.path))
}
fn resolve_source(&self, _location: &deno_doc::Location) -> Option<String> {
None
}
}
fn generate_docs_directory(
doc_nodes_by_url: IndexMap<ModuleSpecifier, Vec<doc::DocNode>>,
html_options: &DocHtmlFlag,
deno_ns: std::collections::HashSet<Vec<String>>,
rewrite_map: Option<IndexMap<ModuleSpecifier, String>>,
) -> Result<(), AnyError> {
let cwd = std::env::current_dir().context("Failed to get CWD")?;
let output_dir_resolved = cwd.join(&html_options.output);
let internal_env = std::env::var("DENO_INTERNAL_HTML_DOCS").ok();
let href_resolver: Rc<dyn deno_doc::html::HrefResolver> = if internal_env
.as_ref()
.is_some_and(|internal_html_docs| internal_html_docs == "node")
{
Rc::new(NodeDocResolver(html_options.strip_trailing_html))
} else if internal_env
.as_ref()
.is_some_and(|internal_html_docs| internal_html_docs == "deno")
|| deno_ns.is_empty()
{
Rc::new(DenoDocResolver(html_options.strip_trailing_html))
} else {
Rc::new(DocResolver {
deno_ns,
strip_trailing_html: html_options.strip_trailing_html,
})
};
let category_docs =
if let Some(category_docs_path) = &html_options.category_docs_path {
let content = std::fs::read(category_docs_path)?;
Some(deno_core::serde_json::from_slice(&content)?)
} else {
None
};
let symbol_redirect_map = if let Some(symbol_redirect_map_path) =
&html_options.symbol_redirect_map_path
{
let content = std::fs::read(symbol_redirect_map_path)?;
Some(deno_core::serde_json::from_slice(&content)?)
} else {
None
};
let default_symbol_map = if let Some(default_symbol_map_path) =
&html_options.default_symbol_map_path
{
let content = std::fs::read(default_symbol_map_path)?;
Some(deno_core::serde_json::from_slice(&content)?)
} else {
None
};
let options = deno_doc::html::GenerateOptions {
package_name: html_options.name.clone(),
main_entrypoint: None,
rewrite_map,
href_resolver,
usage_composer: None,
composable_output: false,
category_docs,
disable_search: internal_env.is_some(),
symbol_redirect_map,
default_symbol_map,
};
let files = deno_doc::html::generate(options, doc_nodes_by_url)
.context("Failed to generate HTML documentation")?;
let path = &output_dir_resolved;
let _ = std::fs::remove_dir_all(path);
std::fs::create_dir(path)
.with_context(|| format!("Failed to create directory {:?}", path))?;
let no_of_files = files.len();
for (name, content) in files {
let this_path = path.join(name);
let prefix = this_path.parent().with_context(|| {
format!("Failed to get parent path for {:?}", this_path)
})?;
std::fs::create_dir_all(prefix)
.with_context(|| format!("Failed to create directory {:?}", prefix))?;
std::fs::write(&this_path, content)
.with_context(|| format!("Failed to write file {:?}", this_path))?;
}
log::info!(
"{}",
colors::green(format!(
"Written {} files to {:?}",
no_of_files, html_options.output
))
);
Ok(())
}
fn print_docs_to_stdout(
doc_flags: DocFlags,
mut doc_nodes: Vec<deno_doc::DocNode>,
) -> Result<(), AnyError> {
doc_nodes.retain(|doc_node| doc_node.kind != doc::DocNodeKind::Import);
let details = if let Some(filter) = doc_flags.filter {
let nodes = doc::find_nodes_by_name_recursively(doc_nodes, filter.clone());
if nodes.is_empty() {
bail!("Node {} was not found!", filter);
}
format!(
"{}",
doc::DocPrinter::new(&nodes, colors::use_color(), doc_flags.private)
)
} else {
format!(
"{}",
doc::DocPrinter::new(&doc_nodes, colors::use_color(), doc_flags.private)
)
};
write_to_stdout_ignore_sigpipe(details.as_bytes()).map_err(AnyError::from)
}
fn check_diagnostics(diagnostics: &[DocDiagnostic]) -> Result<(), AnyError> {
if diagnostics.is_empty() {
return Ok(());
}
// group by location then by line (sorted) then column (sorted)
let mut diagnostic_groups = IndexMap::new();
for diagnostic in diagnostics {
diagnostic_groups
.entry(diagnostic.location.filename.clone())
.or_insert_with(BTreeMap::new)
.entry(diagnostic.location.line)
.or_insert_with(BTreeMap::new)
.entry(diagnostic.location.col)
.or_insert_with(Vec::new)
.push(diagnostic);
}
for (_, diagnostics_by_lc) in diagnostic_groups {
for (_, diagnostics_by_col) in diagnostics_by_lc {
for (_, diagnostics) in diagnostics_by_col {
for diagnostic in diagnostics {
log::error!("{}\n", diagnostic.display());
}
}
}
}
bail!(
"Found {} documentation lint error{}.",
colors::bold(diagnostics.len().to_string()),
if diagnostics.len() == 1 { "" } else { "s" }
);
}