mirror of
https://github.com/denoland/deno
synced 2024-08-25 11:07:24 +00:00
feat: deno doc --lint
(#21032)
Adds a new `--lint` flag to `deno doc` that surfaces three kinds of diagnostics: 1. Diagnostic for non-exported type referenced in an exported type. * Why? People often forget to export types from a module in TypeScript. To supress this diagnostic, add an `@internal` jsdoc tag to the internal type. 1. Diagnostic for missing return type or missing property type on a **public** type. * Why? Otherwise `deno doc` will not display good documentation. Adding explicit types also helps with type checking performance. 1. Diagnostic for missing jsdoc on a **public** type. * Why? Everything should be documented. This diagnostic can be supressed by adding a jsdoc comment description. If the lint passes, `deno doc` generates documentation as usual. For example, checking for deno doc diagnostics on the CI: ```shellsession $ deno doc --lint mod.ts second_entrypoint.ts > /dev/null ``` This feature is incredibly useful for library authors. ## Why not include this in `deno lint`? 1. The command needs the documenation output in order to figure out the diagnostics. 1. `deno lint` doesn't understand where the entrypoints are. That's critical for the diagnostics to be useful. 1. It's much more performant to do this while generating documentation. 1. There is precedence in rustdoc (ex. `#![warn(missing_docs)]`). ## Why not `--check`? It is confusing with `deno run --check`, since that means to run type checking (and confusing with `deno check --docs`). ## Output Future Improvement The output is not ideal atm, but it's fine for a first pass. We will improve it in the future. Closes https://github.com/denoland/deno_lint/pull/972 Closes https://github.com/denoland/deno_lint/issues/970 Closes https://github.com/denoland/deno/issues/19356
This commit is contained in:
parent
6dd96af1ec
commit
d1ef561dbf
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@ -109,6 +109,7 @@ impl Default for DocSourceFileFlag {
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pub struct DocFlags {
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pub private: bool,
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pub json: bool,
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pub lint: bool,
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pub source_files: DocSourceFileFlag,
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pub filter: Option<String>,
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}
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@ -1329,6 +1330,10 @@ Output documentation in JSON format:
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deno doc --json ./path/to/module.ts
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Lint a module for documentation diagnostics:
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deno doc --lint ./path/to/module.ts
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Target a specific symbol:
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deno doc ./path/to/module.ts MyClass.someField
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@ -1363,7 +1368,14 @@ Show documentation for runtime built-ins:
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.long("filter")
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.help("Dot separated path to symbol")
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.required(false)
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.conflicts_with("json"),
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.conflicts_with("json")
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.conflicts_with("lint"),
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)
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.arg(
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Arg::new("lint")
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.long("lint")
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.help("Output documentation diagnostics.")
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.action(ArgAction::SetTrue),
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)
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// TODO(nayeemrmn): Make `--builtin` a proper option. Blocked by
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// https://github.com/clap-rs/clap/issues/1794. Currently `--builtin` is
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@ -3145,11 +3157,13 @@ fn doc_parse(flags: &mut Flags, matches: &mut ArgMatches) {
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DocSourceFileFlag::Builtin
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};
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let private = matches.get_flag("private");
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let lint = matches.get_flag("lint");
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let json = matches.get_flag("json");
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let filter = matches.remove_one::<String>("filter");
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flags.subcommand = DenoSubcommand::Doc(DocFlags {
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source_files,
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json,
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lint,
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filter,
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private,
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});
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@ -6044,6 +6058,7 @@ mod tests {
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source_files: DocSourceFileFlag::Paths(vec!["script.ts".to_owned()]),
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private: false,
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json: false,
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lint: false,
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filter: None,
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}),
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import_map_path: Some("import_map.json".to_owned()),
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@ -7298,6 +7313,7 @@ mod tests {
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subcommand: DenoSubcommand::Doc(DocFlags {
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private: false,
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json: true,
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lint: false,
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source_files: DocSourceFileFlag::Paths(vec![
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"path/to/module.ts".to_string()
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]),
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@ -7320,6 +7336,7 @@ mod tests {
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subcommand: DenoSubcommand::Doc(DocFlags {
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private: false,
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json: false,
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lint: false,
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source_files: DocSourceFileFlag::Paths(vec![
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"path/to/module.ts".to_string()
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]),
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@ -7336,6 +7353,7 @@ mod tests {
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subcommand: DenoSubcommand::Doc(DocFlags {
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private: false,
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json: false,
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lint: false,
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source_files: Default::default(),
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filter: None,
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}),
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@ -7355,6 +7373,7 @@ mod tests {
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Flags {
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subcommand: DenoSubcommand::Doc(DocFlags {
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private: false,
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lint: false,
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json: false,
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source_files: DocSourceFileFlag::Builtin,
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filter: Some("Deno.Listener".to_string()),
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@ -7376,6 +7395,7 @@ mod tests {
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Flags {
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subcommand: DenoSubcommand::Doc(DocFlags {
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private: true,
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lint: false,
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json: false,
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source_files: DocSourceFileFlag::Paths(vec![
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"path/to/module.js".to_string()
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@ -7399,6 +7419,7 @@ mod tests {
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Flags {
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subcommand: DenoSubcommand::Doc(DocFlags {
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private: false,
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lint: false,
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json: false,
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source_files: DocSourceFileFlag::Paths(vec![
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"path/to/module.js".to_string(),
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@ -7423,6 +7444,31 @@ mod tests {
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subcommand: DenoSubcommand::Doc(DocFlags {
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private: false,
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json: false,
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lint: false,
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source_files: DocSourceFileFlag::Paths(vec![
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"path/to/module.js".to_string(),
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"path/to/module2.js".to_string()
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]),
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filter: None,
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}),
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..Flags::default()
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}
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);
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let r = flags_from_vec(svec![
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"deno",
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"doc",
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"--lint",
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"path/to/module.js",
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"path/to/module2.js"
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]);
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assert_eq!(
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r.unwrap(),
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Flags {
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subcommand: DenoSubcommand::Doc(DocFlags {
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private: false,
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lint: true,
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json: false,
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source_files: DocSourceFileFlag::Paths(vec![
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"path/to/module.js".to_string(),
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"path/to/module2.js".to_string()
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@ -53,6 +53,17 @@ itest!(deno_doc_referenced_private_types {
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output: "doc/referenced_private_types.out",
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});
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itest!(deno_doc_lint_referenced_private_types_error {
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args: "doc --lint doc/referenced_private_types.ts",
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exit_code: 1,
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output: "doc/referenced_private_types_lint.out",
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});
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itest!(deno_doc_lint_referenced_private_types_fixed {
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args: "doc --lint doc/referenced_private_types_fixed.ts",
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output: "doc/referenced_private_types_fixed.out",
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});
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itest!(_060_deno_doc_displays_all_overloads_in_details_view {
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args:
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"doc --filter NS.test doc/060_deno_doc_displays_all_overloads_in_details_view.ts",
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16
cli/tests/testdata/doc/referenced_private_types_fixed.out
vendored
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16
cli/tests/testdata/doc/referenced_private_types_fixed.out
vendored
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@ -0,0 +1,16 @@
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Defined in file:///[WILDCARD]/referenced_private_types_fixed.ts:8:1
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class MyClass
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Doc comment
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prop: MyInterface
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Doc comment
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Defined in file:///[WILDCARD]/referenced_private_types_fixed.ts:2:1
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interface MyInterface
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Doc comment
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prop?: string
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Doc comment
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11
cli/tests/testdata/doc/referenced_private_types_fixed.ts
vendored
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11
cli/tests/testdata/doc/referenced_private_types_fixed.ts
vendored
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@ -0,0 +1,11 @@
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/** Doc comment */
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export interface MyInterface {
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/** Doc comment */
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prop?: string;
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}
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/** Doc comment */
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export class MyClass {
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/** Doc comment */
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prop: MyInterface = {};
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}
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10
cli/tests/testdata/doc/referenced_private_types_lint.out
vendored
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10
cli/tests/testdata/doc/referenced_private_types_lint.out
vendored
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@ -0,0 +1,10 @@
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Type is not exported, but referenced by an exported type.
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at file:///[WILDCARD]/referenced_private_types.ts:1:1
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Missing JS documentation comment.
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at file:///[WILDCARD]/referenced_private_types.ts:5:1
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Missing JS documentation comment.
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at file:///[WILDCARD]/referenced_private_types.ts:6:3
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error: Found 3 documentation diagnostics.
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@ -1,5 +1,7 @@
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use std::collections::BTreeMap;
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use crate::args::DocFlags;
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use crate::args::DocSourceFileFlag;
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use crate::args::Flags;
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@ -18,6 +20,8 @@ use deno_graph::CapturingModuleParser;
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use deno_graph::DefaultParsedSourceStore;
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use deno_graph::GraphKind;
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use deno_graph::ModuleSpecifier;
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use doc::DocDiagnostic;
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use indexmap::IndexMap;
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pub async fn print_docs(
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flags: Flags,
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@ -101,7 +105,7 @@ pub async fn print_docs(
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capturing_parser,
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doc::DocParserOptions {
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private: doc_flags.private,
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diagnostics: false,
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diagnostics: doc_flags.lint,
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},
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)?;
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@ -112,6 +116,11 @@ pub async fn print_docs(
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doc_nodes.extend_from_slice(&nodes);
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}
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if doc_flags.lint {
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let diagnostics = doc_parser.take_diagnostics();
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check_diagnostics(&diagnostics)?;
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}
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doc_nodes
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}
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};
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@ -144,3 +153,43 @@ pub async fn print_docs(
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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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fn check_diagnostics(diagnostics: &[DocDiagnostic]) -> Result<(), AnyError> {
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if diagnostics.is_empty() {
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return Ok(());
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}
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// group by location then by line (sorted) then column (sorted)
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let mut diagnostic_groups = IndexMap::new();
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for diagnostic in diagnostics {
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diagnostic_groups
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.entry(diagnostic.location.filename.clone())
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.or_insert_with(BTreeMap::new)
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.entry(diagnostic.location.line)
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.or_insert_with(BTreeMap::new)
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.entry(diagnostic.location.col)
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.or_insert_with(Vec::new)
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.push(diagnostic);
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}
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for (filename, diagnostics_by_lc) in diagnostic_groups {
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for (line, diagnostics_by_col) in diagnostics_by_lc {
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for (col, diagnostics) in diagnostics_by_col {
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for diagnostic in diagnostics {
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log::warn!("{}", diagnostic.kind);
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}
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log::warn!(
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" at {}:{}:{}\n",
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colors::cyan(filename.as_str()),
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colors::yellow(&line.to_string()),
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colors::yellow(&(col + 1).to_string())
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)
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}
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}
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}
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bail!(
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"Found {} documentation diagnostic{}.",
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colors::bold(diagnostics.len().to_string()),
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if diagnostics.len() == 1 { "" } else { "s" }
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);
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}
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