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https://github.com/denoland/deno.git
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8884c14a2d
This adds a new `PathRef` struct to test_util for making it easier to work with paths in test code. I'm going to expand on this more in the future.
724 lines
23 KiB
Rust
724 lines
23 KiB
Rust
// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
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use super::client::Client;
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use super::config::ConfigSnapshot;
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use super::documents::Documents;
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use super::documents::DocumentsFilter;
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use super::lsp_custom;
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use super::registries::ModuleRegistry;
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use super::tsc;
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use crate::util::path::is_supported_ext;
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use crate::util::path::relative_specifier;
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use crate::util::path::specifier_to_file_path;
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use deno_ast::LineAndColumnIndex;
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use deno_ast::SourceTextInfo;
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use deno_core::normalize_path;
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use deno_core::resolve_path;
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use deno_core::resolve_url;
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use deno_core::serde::Deserialize;
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use deno_core::serde::Serialize;
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use deno_core::url::Position;
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use deno_core::ModuleSpecifier;
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use import_map::ImportMap;
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use once_cell::sync::Lazy;
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use regex::Regex;
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use std::sync::Arc;
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use tower_lsp::lsp_types as lsp;
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static FILE_PROTO_RE: Lazy<Regex> =
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lazy_regex::lazy_regex!(r#"^file:/{2}(?:/[A-Za-z]:)?"#);
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const CURRENT_PATH: &str = ".";
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const PARENT_PATH: &str = "..";
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const LOCAL_PATHS: &[&str] = &[CURRENT_PATH, PARENT_PATH];
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pub(crate) const IMPORT_COMMIT_CHARS: &[&str] = &["\"", "'"];
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#[derive(Debug, Serialize, Deserialize)]
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#[serde(rename_all = "camelCase")]
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pub struct CompletionItemData {
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#[serde(skip_serializing_if = "Option::is_none")]
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pub documentation: Option<String>,
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#[serde(skip_serializing_if = "Option::is_none")]
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pub tsc: Option<tsc::CompletionItemData>,
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}
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/// Check if the origin can be auto-configured for completions, and if so, send
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/// a notification to the client.
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async fn check_auto_config_registry(
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url_str: &str,
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config: &ConfigSnapshot,
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client: &Client,
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module_registries: &ModuleRegistry,
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) {
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// check to see if auto discovery is enabled
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if config.settings.workspace.suggest.imports.auto_discover {
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if let Ok(specifier) = resolve_url(url_str) {
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let scheme = specifier.scheme();
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let path = &specifier[Position::BeforePath..];
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if scheme.starts_with("http")
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&& !path.is_empty()
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&& url_str.ends_with(path)
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{
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// check to see if this origin is already explicitly set
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let in_config =
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config.settings.workspace.suggest.imports.hosts.iter().any(
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|(h, _)| {
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resolve_url(h).map(|u| u.origin()) == Ok(specifier.origin())
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},
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);
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// if it isn't in the configuration, we will check to see if it supports
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// suggestions and send a notification to the client.
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if !in_config {
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let origin = specifier.origin().ascii_serialization();
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let suggestions =
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module_registries.check_origin(&origin).await.is_ok();
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// we are only sending registry state when enabled now, but changing
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// the custom notification would make older versions of the plugin
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// incompatible.
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// TODO(@kitsonk) clean up protocol when doing v2 of suggestions
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if suggestions {
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client.send_registry_state_notification(
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lsp_custom::RegistryStateNotificationParams {
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origin,
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suggestions,
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},
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);
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}
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}
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}
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}
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}
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}
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/// Ranges from the graph for specifiers include the leading and maybe trailing quote,
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/// which we want to ignore when replacing text.
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fn to_narrow_lsp_range(
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text_info: &SourceTextInfo,
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range: &deno_graph::Range,
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) -> lsp::Range {
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let end_byte_index = text_info
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.loc_to_source_pos(LineAndColumnIndex {
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line_index: range.end.line,
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column_index: range.end.character,
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})
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.as_byte_index(text_info.range().start);
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let start_byte_index = text_info
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.loc_to_source_pos(LineAndColumnIndex {
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line_index: range.start.line,
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column_index: range.start.character,
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})
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.as_byte_index(text_info.range().start);
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let text_bytes = text_info.text_str().as_bytes();
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let is_empty = end_byte_index - 1 == start_byte_index;
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let has_trailing_quote =
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!is_empty && matches!(text_bytes[end_byte_index - 1], b'"' | b'\'');
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lsp::Range {
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start: lsp::Position {
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line: range.start.line as u32,
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// skip the leading quote
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character: (range.start.character + 1) as u32,
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},
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end: lsp::Position {
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line: range.end.line as u32,
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character: if has_trailing_quote {
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range.end.character - 1 // do not include it
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} else {
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range.end.character
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} as u32,
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},
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}
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}
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/// Given a specifier, a position, and a snapshot, optionally return a
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/// completion response, which will be valid import completions for the specific
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/// context.
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pub async fn get_import_completions(
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specifier: &ModuleSpecifier,
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position: &lsp::Position,
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config: &ConfigSnapshot,
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client: &Client,
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module_registries: &ModuleRegistry,
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documents: &Documents,
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maybe_import_map: Option<Arc<ImportMap>>,
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) -> Option<lsp::CompletionResponse> {
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let document = documents.get(specifier)?;
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let (text, _, range) = document.get_maybe_dependency(position)?;
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let range = to_narrow_lsp_range(&document.text_info(), &range);
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if let Some(completion_list) = get_import_map_completions(
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specifier,
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&text,
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&range,
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maybe_import_map.clone(),
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documents,
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) {
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// completions for import map specifiers
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Some(lsp::CompletionResponse::List(completion_list))
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} else if text.starts_with("./") || text.starts_with("../") {
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// completions for local relative modules
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Some(lsp::CompletionResponse::List(lsp::CompletionList {
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is_incomplete: false,
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items: get_local_completions(specifier, &text, &range)?,
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}))
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} else if !text.is_empty() {
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// completion of modules from a module registry or cache
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check_auto_config_registry(&text, config, client, module_registries).await;
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let offset = if position.character > range.start.character {
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(position.character - range.start.character) as usize
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} else {
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0
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};
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let maybe_list = module_registries
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.get_completions(&text, offset, &range, |specifier| {
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documents.exists(specifier)
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})
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.await;
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let list = maybe_list.unwrap_or_else(|| lsp::CompletionList {
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items: get_workspace_completions(specifier, &text, &range, documents),
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is_incomplete: false,
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});
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Some(lsp::CompletionResponse::List(list))
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} else {
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// the import specifier is empty, so provide all possible specifiers we are
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// aware of
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let mut items: Vec<lsp::CompletionItem> = LOCAL_PATHS
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.iter()
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.map(|s| lsp::CompletionItem {
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label: s.to_string(),
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kind: Some(lsp::CompletionItemKind::FOLDER),
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detail: Some("(local)".to_string()),
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sort_text: Some("1".to_string()),
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insert_text: Some(s.to_string()),
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commit_characters: Some(
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IMPORT_COMMIT_CHARS.iter().map(|&c| c.into()).collect(),
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),
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..Default::default()
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})
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.collect();
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let mut is_incomplete = false;
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if let Some(import_map) = maybe_import_map {
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items.extend(get_base_import_map_completions(import_map.as_ref()));
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}
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if let Some(origin_items) =
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module_registries.get_origin_completions(&text, &range)
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{
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is_incomplete = origin_items.is_incomplete;
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items.extend(origin_items.items);
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}
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Some(lsp::CompletionResponse::List(lsp::CompletionList {
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is_incomplete,
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items,
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}))
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}
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}
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/// When the specifier is an empty string, return all the keys from the import
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/// map as completion items.
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fn get_base_import_map_completions(
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import_map: &ImportMap,
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) -> Vec<lsp::CompletionItem> {
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import_map
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.imports()
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.keys()
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.map(|key| {
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// for some strange reason, keys that start with `/` get stored in the
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// import map as `file:///`, and so when we pull the keys out, we need to
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// change the behavior
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let mut label = if key.starts_with("file://") {
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FILE_PROTO_RE.replace(key, "").to_string()
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} else {
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key.to_string()
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};
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let kind = if key.ends_with('/') {
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label.pop();
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Some(lsp::CompletionItemKind::FOLDER)
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} else {
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Some(lsp::CompletionItemKind::FILE)
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};
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lsp::CompletionItem {
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label: label.clone(),
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kind,
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detail: Some("(import map)".to_string()),
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sort_text: Some(label.clone()),
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insert_text: Some(label),
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commit_characters: Some(
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IMPORT_COMMIT_CHARS.iter().map(|&c| c.into()).collect(),
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),
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..Default::default()
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}
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})
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.collect()
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}
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/// Given an existing specifier, return any completions that could apply derived
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/// from the import map. There are two main type of import map keys, those that
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/// a literal, which don't end in `/`, which expects a one for one replacement
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/// of specifier to specifier, and then those that end in `/` which indicates
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/// that the path post the `/` should be appended to resolved specifier. This
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/// handles both cases, pulling any completions from the workspace completions.
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fn get_import_map_completions(
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specifier: &ModuleSpecifier,
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text: &str,
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range: &lsp::Range,
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maybe_import_map: Option<Arc<ImportMap>>,
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documents: &Documents,
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) -> Option<lsp::CompletionList> {
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if !text.is_empty() {
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if let Some(import_map) = maybe_import_map {
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let mut items = Vec::new();
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for key in import_map.imports().keys() {
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// for some reason, the import_map stores keys that begin with `/` as
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// `file:///` in its index, so we have to reverse that here
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let key = if key.starts_with("file://") {
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FILE_PROTO_RE.replace(key, "").to_string()
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} else {
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key.to_string()
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};
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if text.starts_with(&key) && key.ends_with('/') {
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if let Ok(resolved) = import_map.resolve(&key, specifier) {
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let resolved = resolved.to_string();
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let workspace_items: Vec<lsp::CompletionItem> = documents
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.documents(DocumentsFilter::AllDiagnosable)
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.into_iter()
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.filter_map(|d| {
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let specifier_str = d.specifier().to_string();
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let new_text = specifier_str.replace(&resolved, &key);
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if specifier_str.starts_with(&resolved) {
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let label = specifier_str.replace(&resolved, "");
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let text_edit =
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Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
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range: *range,
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new_text: new_text.clone(),
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}));
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Some(lsp::CompletionItem {
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label,
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kind: Some(lsp::CompletionItemKind::MODULE),
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detail: Some("(import map)".to_string()),
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sort_text: Some("1".to_string()),
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filter_text: Some(new_text),
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text_edit,
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commit_characters: Some(
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IMPORT_COMMIT_CHARS.iter().map(|&c| c.into()).collect(),
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),
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..Default::default()
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})
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} else {
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None
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}
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})
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.collect();
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items.extend(workspace_items);
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}
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} else if key.starts_with(text) && text != key {
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let mut label = key.to_string();
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let kind = if key.ends_with('/') {
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label.pop();
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Some(lsp::CompletionItemKind::FOLDER)
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} else {
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Some(lsp::CompletionItemKind::MODULE)
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};
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let text_edit = Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
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range: *range,
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new_text: label.clone(),
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}));
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items.push(lsp::CompletionItem {
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label,
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kind,
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detail: Some("(import map)".to_string()),
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sort_text: Some("1".to_string()),
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text_edit,
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commit_characters: Some(
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IMPORT_COMMIT_CHARS.iter().map(|&c| c.into()).collect(),
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),
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..Default::default()
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});
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}
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if !items.is_empty() {
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return Some(lsp::CompletionList {
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items,
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is_incomplete: false,
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});
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}
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}
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}
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}
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None
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}
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/// Return local completions that are relative to the base specifier.
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fn get_local_completions(
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base: &ModuleSpecifier,
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current: &str,
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range: &lsp::Range,
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) -> Option<Vec<lsp::CompletionItem>> {
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if base.scheme() != "file" {
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return None;
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}
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let mut base_path = specifier_to_file_path(base).ok()?;
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base_path.pop();
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let mut current_path = normalize_path(base_path.join(current));
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// if the current text does not end in a `/` then we are still selecting on
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// the parent and should show all completions from there.
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let is_parent = if !current.ends_with('/') {
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current_path.pop();
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true
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} else {
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false
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};
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let cwd = std::env::current_dir().ok()?;
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if current_path.is_dir() {
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let items = std::fs::read_dir(current_path).ok()?;
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Some(
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items
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.filter_map(|de| {
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let de = de.ok()?;
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let label = de.path().file_name()?.to_string_lossy().to_string();
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let entry_specifier = resolve_path(de.path().to_str()?, &cwd).ok()?;
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if &entry_specifier == base {
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return None;
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}
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let full_text = relative_specifier(base, &entry_specifier)?;
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// this weeds out situations where we are browsing in the parent, but
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// we want to filter out non-matches when the completion is manually
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// invoked by the user, but still allows for things like `../src/../`
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// which is silly, but no reason to not allow it.
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if is_parent && !full_text.starts_with(current) {
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return None;
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}
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let text_edit = Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
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range: *range,
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new_text: full_text.clone(),
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}));
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let filter_text = if full_text.starts_with(current) {
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Some(full_text)
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} else {
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Some(format!("{current}{label}"))
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};
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match de.file_type() {
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Ok(file_type) if file_type.is_dir() => Some(lsp::CompletionItem {
|
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label,
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kind: Some(lsp::CompletionItemKind::FOLDER),
|
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filter_text,
|
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sort_text: Some("1".to_string()),
|
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text_edit,
|
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commit_characters: Some(
|
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IMPORT_COMMIT_CHARS.iter().map(|&c| c.into()).collect(),
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),
|
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..Default::default()
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}),
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Ok(file_type) if file_type.is_file() => {
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if is_supported_ext(&de.path()) {
|
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Some(lsp::CompletionItem {
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label,
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kind: Some(lsp::CompletionItemKind::FILE),
|
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detail: Some("(local)".to_string()),
|
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filter_text,
|
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sort_text: Some("1".to_string()),
|
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text_edit,
|
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commit_characters: Some(
|
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IMPORT_COMMIT_CHARS.iter().map(|&c| c.into()).collect(),
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),
|
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..Default::default()
|
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})
|
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} else {
|
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None
|
|
}
|
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}
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_ => None,
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}
|
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})
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.collect(),
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)
|
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} else {
|
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None
|
|
}
|
|
}
|
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|
|
fn get_relative_specifiers(
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base: &ModuleSpecifier,
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specifiers: Vec<ModuleSpecifier>,
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) -> Vec<String> {
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specifiers
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.iter()
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.filter_map(|s| {
|
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if s != base {
|
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Some(relative_specifier(base, s).unwrap_or_else(|| s.to_string()))
|
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} else {
|
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None
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|
}
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})
|
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.collect()
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}
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|
|
/// Get workspace completions that include modules in the Deno cache which match
|
|
/// the current specifier string.
|
|
fn get_workspace_completions(
|
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specifier: &ModuleSpecifier,
|
|
current: &str,
|
|
range: &lsp::Range,
|
|
documents: &Documents,
|
|
) -> Vec<lsp::CompletionItem> {
|
|
let workspace_specifiers = documents
|
|
.documents(DocumentsFilter::AllDiagnosable)
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.into_iter()
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.map(|d| d.specifier().clone())
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.collect();
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let specifier_strings =
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get_relative_specifiers(specifier, workspace_specifiers);
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specifier_strings
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.into_iter()
|
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.filter_map(|label| {
|
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if label.starts_with(current) {
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let detail = Some(
|
|
if label.starts_with("http:") || label.starts_with("https:") {
|
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"(remote)".to_string()
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} else if label.starts_with("data:") {
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"(data)".to_string()
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} else {
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"(local)".to_string()
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},
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);
|
|
let text_edit = Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
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range: *range,
|
|
new_text: label.clone(),
|
|
}));
|
|
Some(lsp::CompletionItem {
|
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label,
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kind: Some(lsp::CompletionItemKind::FILE),
|
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detail,
|
|
sort_text: Some("1".to_string()),
|
|
text_edit,
|
|
commit_characters: Some(
|
|
IMPORT_COMMIT_CHARS.iter().map(|&c| c.into()).collect(),
|
|
),
|
|
..Default::default()
|
|
})
|
|
} else {
|
|
None
|
|
}
|
|
})
|
|
.collect()
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use crate::cache::HttpCache;
|
|
use crate::lsp::documents::Documents;
|
|
use crate::lsp::documents::LanguageId;
|
|
use deno_core::resolve_url;
|
|
use deno_graph::Range;
|
|
use std::collections::HashMap;
|
|
use std::path::Path;
|
|
use test_util::TempDir;
|
|
|
|
fn mock_documents(
|
|
fixtures: &[(&str, &str, i32, LanguageId)],
|
|
source_fixtures: &[(&str, &str)],
|
|
location: &Path,
|
|
) -> Documents {
|
|
let mut documents = Documents::new(location.to_path_buf());
|
|
for (specifier, source, version, language_id) in fixtures {
|
|
let specifier =
|
|
resolve_url(specifier).expect("failed to create specifier");
|
|
documents.open(specifier, *version, *language_id, (*source).into());
|
|
}
|
|
let http_cache = HttpCache::new(location.to_path_buf());
|
|
for (specifier, source) in source_fixtures {
|
|
let specifier =
|
|
resolve_url(specifier).expect("failed to create specifier");
|
|
http_cache
|
|
.set(&specifier, HashMap::default(), source.as_bytes())
|
|
.expect("could not cache file");
|
|
assert!(
|
|
documents.get(&specifier).is_some(),
|
|
"source could not be setup"
|
|
);
|
|
}
|
|
documents
|
|
}
|
|
|
|
fn setup(
|
|
temp_dir: &TempDir,
|
|
documents: &[(&str, &str, i32, LanguageId)],
|
|
sources: &[(&str, &str)],
|
|
) -> Documents {
|
|
let location = temp_dir.path().join("deps");
|
|
mock_documents(documents, sources, location.as_path())
|
|
}
|
|
|
|
#[test]
|
|
fn test_get_relative_specifiers() {
|
|
let base = resolve_url("file:///a/b/c.ts").unwrap();
|
|
let specifiers = vec![
|
|
resolve_url("file:///a/b/c.ts").unwrap(),
|
|
resolve_url("file:///a/b/d.ts").unwrap(),
|
|
resolve_url("file:///a/c/c.ts").unwrap(),
|
|
resolve_url("file:///a/b/d/d.ts").unwrap(),
|
|
resolve_url("https://deno.land/x/a/b/c.ts").unwrap(),
|
|
];
|
|
assert_eq!(
|
|
get_relative_specifiers(&base, specifiers),
|
|
vec![
|
|
"./d.ts".to_string(),
|
|
"../c/c.ts".to_string(),
|
|
"./d/d.ts".to_string(),
|
|
"https://deno.land/x/a/b/c.ts".to_string(),
|
|
]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_get_local_completions() {
|
|
let temp_dir = TempDir::new();
|
|
let fixtures = temp_dir.path().join("fixtures");
|
|
std::fs::create_dir(&fixtures).expect("could not create");
|
|
let dir_a = fixtures.join("a");
|
|
std::fs::create_dir(&dir_a).expect("could not create");
|
|
let dir_b = dir_a.join("b");
|
|
std::fs::create_dir(&dir_b).expect("could not create");
|
|
let file_c = dir_a.join("c.ts");
|
|
std::fs::write(&file_c, b"").expect("could not create");
|
|
let file_d = dir_b.join("d.ts");
|
|
std::fs::write(file_d, b"").expect("could not create");
|
|
let file_e = dir_a.join("e.txt");
|
|
std::fs::write(file_e, b"").expect("could not create");
|
|
let file_f = dir_a.join("f.mjs");
|
|
std::fs::write(file_f, b"").expect("could not create");
|
|
let specifier =
|
|
ModuleSpecifier::from_file_path(file_c).expect("could not create");
|
|
let actual = get_local_completions(
|
|
&specifier,
|
|
"./",
|
|
&lsp::Range {
|
|
start: lsp::Position {
|
|
line: 0,
|
|
character: 20,
|
|
},
|
|
end: lsp::Position {
|
|
line: 0,
|
|
character: 22,
|
|
},
|
|
},
|
|
);
|
|
assert!(actual.is_some());
|
|
let actual = actual.unwrap();
|
|
assert_eq!(actual.len(), 2);
|
|
for item in actual {
|
|
match item.text_edit {
|
|
Some(lsp::CompletionTextEdit::Edit(text_edit)) => {
|
|
assert!(
|
|
text_edit.new_text == "./f.mjs" || text_edit.new_text == "./b"
|
|
);
|
|
}
|
|
_ => unreachable!(),
|
|
}
|
|
}
|
|
}
|
|
|
|
#[tokio::test]
|
|
async fn test_get_workspace_completions() {
|
|
let specifier = resolve_url("file:///a/b/c.ts").unwrap();
|
|
let range = lsp::Range {
|
|
start: lsp::Position {
|
|
line: 0,
|
|
character: 20,
|
|
},
|
|
end: lsp::Position {
|
|
line: 0,
|
|
character: 21,
|
|
},
|
|
};
|
|
let temp_dir = TempDir::new();
|
|
let documents = setup(
|
|
&temp_dir,
|
|
&[
|
|
(
|
|
"file:///a/b/c.ts",
|
|
"import * as d from \"h\"",
|
|
1,
|
|
LanguageId::TypeScript,
|
|
),
|
|
("file:///a/c.ts", r#""#, 1, LanguageId::TypeScript),
|
|
],
|
|
&[("https://deno.land/x/a/b/c.ts", "console.log(1);\n")],
|
|
);
|
|
let actual = get_workspace_completions(&specifier, "h", &range, &documents);
|
|
assert_eq!(
|
|
actual,
|
|
vec![lsp::CompletionItem {
|
|
label: "https://deno.land/x/a/b/c.ts".to_string(),
|
|
kind: Some(lsp::CompletionItemKind::FILE),
|
|
detail: Some("(remote)".to_string()),
|
|
sort_text: Some("1".to_string()),
|
|
text_edit: Some(lsp::CompletionTextEdit::Edit(lsp::TextEdit {
|
|
range: lsp::Range {
|
|
start: lsp::Position {
|
|
line: 0,
|
|
character: 20
|
|
},
|
|
end: lsp::Position {
|
|
line: 0,
|
|
character: 21,
|
|
}
|
|
},
|
|
new_text: "https://deno.land/x/a/b/c.ts".to_string(),
|
|
})),
|
|
commit_characters: Some(
|
|
IMPORT_COMMIT_CHARS.iter().map(|&c| c.into()).collect()
|
|
),
|
|
..Default::default()
|
|
}]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_to_narrow_lsp_range() {
|
|
let text_info = SourceTextInfo::from_string(r#""te""#.to_string());
|
|
let range = to_narrow_lsp_range(
|
|
&text_info,
|
|
&Range {
|
|
specifier: ModuleSpecifier::parse("https://deno.land").unwrap(),
|
|
start: deno_graph::Position {
|
|
line: 0,
|
|
character: 0,
|
|
},
|
|
end: deno_graph::Position {
|
|
line: 0,
|
|
character: text_info.text_str().chars().count(),
|
|
},
|
|
},
|
|
);
|
|
assert_eq!(range.start.character, 1);
|
|
assert_eq!(
|
|
range.end.character,
|
|
(text_info.text_str().chars().count() - 1) as u32
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_to_narrow_lsp_range_no_trailing_quote() {
|
|
let text_info = SourceTextInfo::from_string(r#""te"#.to_string());
|
|
let range = to_narrow_lsp_range(
|
|
&text_info,
|
|
&Range {
|
|
specifier: ModuleSpecifier::parse("https://deno.land").unwrap(),
|
|
start: deno_graph::Position {
|
|
line: 0,
|
|
character: 0,
|
|
},
|
|
end: deno_graph::Position {
|
|
line: 0,
|
|
character: text_info.text_str().chars().count(),
|
|
},
|
|
},
|
|
);
|
|
assert_eq!(range.start.character, 1);
|
|
assert_eq!(
|
|
range.end.character,
|
|
text_info.text_str().chars().count() as u32
|
|
);
|
|
}
|
|
}
|