mirror of
https://github.com/denoland/deno.git
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119 lines
3.6 KiB
Rust
119 lines
3.6 KiB
Rust
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
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use crate::args::DocFlags;
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use crate::args::Flags;
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use crate::colors;
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use crate::display::write_json_to_stdout;
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use crate::display::write_to_stdout_ignore_sigpipe;
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use crate::file_fetcher::File;
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use crate::proc_state::ProcState;
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use crate::tsc::get_types_declaration_file_text;
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use deno_ast::MediaType;
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use deno_core::anyhow::bail;
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use deno_core::error::AnyError;
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use deno_core::resolve_url_or_path;
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use deno_doc as doc;
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use deno_graph::ModuleKind;
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use deno_graph::ModuleSpecifier;
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use std::path::PathBuf;
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pub async fn print_docs(
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flags: Flags,
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doc_flags: DocFlags,
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) -> Result<(), AnyError> {
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let ps = ProcState::build(flags).await?;
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let source_file = doc_flags
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.source_file
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.unwrap_or_else(|| "--builtin".to_string());
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let mut doc_nodes = if source_file == "--builtin" {
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let source_file_specifier =
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ModuleSpecifier::parse("deno://lib.deno.d.ts").unwrap();
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let content = get_types_declaration_file_text(ps.options.unstable());
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let mut loader = deno_graph::source::MemoryLoader::new(
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vec![(
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source_file_specifier.to_string(),
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deno_graph::source::Source::Module {
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specifier: source_file_specifier.to_string(),
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content,
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maybe_headers: None,
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},
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)],
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Vec::new(),
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);
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let analyzer = deno_graph::CapturingModuleAnalyzer::default();
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let graph = deno_graph::create_graph(
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vec![(source_file_specifier.clone(), ModuleKind::Esm)],
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&mut loader,
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deno_graph::GraphOptions {
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is_dynamic: false,
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imports: None,
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resolver: None,
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module_analyzer: Some(&analyzer),
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reporter: None,
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},
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)
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.await;
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let doc_parser = doc::DocParser::new(
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graph,
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doc_flags.private,
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analyzer.as_capturing_parser(),
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);
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doc_parser.parse_module(&source_file_specifier)?.definitions
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} else {
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let module_specifier = resolve_url_or_path(&source_file)?;
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// If the root module has external types, the module graph won't redirect it,
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// so instead create a dummy file which exports everything from the actual file being documented.
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let root_specifier = resolve_url_or_path("./$deno$doc.ts").unwrap();
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let root = File {
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local: PathBuf::from("./$deno$doc.ts"),
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maybe_types: None,
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media_type: MediaType::TypeScript,
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source: format!("export * from \"{}\";", module_specifier).into(),
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specifier: root_specifier.clone(),
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maybe_headers: None,
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};
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// Save our fake file into file fetcher cache.
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ps.file_fetcher.insert_cached(root);
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let graph = ps
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.create_graph(vec![(root_specifier.clone(), ModuleKind::Esm)])
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.await?;
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let doc_parser = doc::DocParser::new(
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graph,
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doc_flags.private,
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ps.parsed_source_cache.as_capturing_parser(),
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);
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doc_parser.parse_with_reexports(&root_specifier)?
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};
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if doc_flags.json {
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write_json_to_stdout(&doc_nodes)
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} else {
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doc_nodes.retain(|doc_node| doc_node.kind != doc::DocNodeKind::Import);
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let details = if let Some(filter) = doc_flags.filter {
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let nodes =
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doc::find_nodes_by_name_recursively(doc_nodes, filter.clone());
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if nodes.is_empty() {
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bail!("Node {} was not found!", filter);
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}
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format!(
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"{}",
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doc::DocPrinter::new(&nodes, colors::use_color(), doc_flags.private)
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)
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} else {
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format!(
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"{}",
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doc::DocPrinter::new(
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&doc_nodes,
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colors::use_color(),
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doc_flags.private
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)
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)
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};
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write_to_stdout_ignore_sigpipe(details.as_bytes()).map_err(AnyError::from)
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}
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}
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