mirror of
https://github.com/denoland/deno.git
synced 2024-11-04 08:54:20 -05:00
2068 lines
63 KiB
Rust
2068 lines
63 KiB
Rust
use deno_core::ErrBox;
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use deno_core::ModuleSpecifier;
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use indexmap::IndexMap;
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use serde_json::Map;
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use serde_json::Value;
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use std::cmp::Ordering;
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use std::error::Error;
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use std::fmt;
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use std::fs;
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use std::io;
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use url::Url;
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#[derive(Debug)]
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pub struct ImportMapError {
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pub msg: String,
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}
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impl ImportMapError {
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pub fn new(msg: &str) -> Self {
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ImportMapError {
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msg: msg.to_string(),
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}
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}
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}
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impl fmt::Display for ImportMapError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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f.pad(&self.msg)
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}
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}
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impl Error for ImportMapError {}
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// NOTE: here is difference between deno and reference implementation - deno currently
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// can't resolve URL with other schemes (eg. data:, about:, blob:)
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const SUPPORTED_FETCH_SCHEMES: [&str; 3] = ["http", "https", "file"];
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type SpecifierMap = IndexMap<String, Vec<ModuleSpecifier>>;
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type ScopesMap = IndexMap<String, SpecifierMap>;
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#[derive(Debug)]
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pub struct ImportMap {
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base_url: String,
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imports: SpecifierMap,
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scopes: ScopesMap,
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}
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impl ImportMap {
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pub fn load(file_path: &str) -> Result<Self, ErrBox> {
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let file_url = ModuleSpecifier::resolve_url_or_path(file_path)?.to_string();
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let resolved_path = std::env::current_dir().unwrap().join(file_path);
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debug!(
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"Attempt to load import map: {}",
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resolved_path.to_str().unwrap()
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);
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// Load the contents of import map
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let json_string = fs::read_to_string(&resolved_path).map_err(|err| {
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io::Error::new(
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io::ErrorKind::InvalidInput,
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format!(
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"Error retrieving import map file at \"{}\": {}",
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resolved_path.to_str().unwrap(),
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err.to_string()
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)
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.as_str(),
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)
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})?;
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// The URL of the import map is the base URL for its values.
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ImportMap::from_json(&file_url, &json_string).map_err(ErrBox::from)
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}
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pub fn from_json(
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base_url: &str,
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json_string: &str,
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) -> Result<Self, ImportMapError> {
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let v: Value = match serde_json::from_str(json_string) {
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Ok(v) => v,
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Err(_) => {
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return Err(ImportMapError::new("Unable to parse import map JSON"));
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}
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};
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match v {
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Value::Object(_) => {}
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_ => {
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return Err(ImportMapError::new("Import map JSON must be an object"));
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}
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}
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let normalized_imports = match &v.get("imports") {
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Some(imports_map) => {
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if !imports_map.is_object() {
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return Err(ImportMapError::new(
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"Import map's 'imports' must be an object",
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));
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}
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let imports_map = imports_map.as_object().unwrap();
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ImportMap::parse_specifier_map(imports_map, base_url)
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}
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None => IndexMap::new(),
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};
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let normalized_scopes = match &v.get("scopes") {
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Some(scope_map) => {
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if !scope_map.is_object() {
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return Err(ImportMapError::new(
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"Import map's 'scopes' must be an object",
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));
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}
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let scope_map = scope_map.as_object().unwrap();
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ImportMap::parse_scope_map(scope_map, base_url)?
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}
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None => IndexMap::new(),
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};
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let import_map = ImportMap {
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base_url: base_url.to_string(),
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imports: normalized_imports,
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scopes: normalized_scopes,
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};
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Ok(import_map)
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}
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fn try_url_like_specifier(specifier: &str, base: &str) -> Option<Url> {
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// this should never fail
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if specifier.starts_with('/')
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|| specifier.starts_with("./")
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|| specifier.starts_with("../")
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{
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let base_url = Url::parse(base).unwrap();
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let url = base_url.join(specifier).unwrap();
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return Some(url);
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}
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if let Ok(url) = Url::parse(specifier) {
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if SUPPORTED_FETCH_SCHEMES.contains(&url.scheme()) {
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return Some(url);
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}
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}
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None
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}
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/// Parse provided key as import map specifier.
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///
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/// Specifiers must be valid URLs (eg. "https://deno.land/x/std/testing/mod.ts")
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/// or "bare" specifiers (eg. "moment").
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// TODO: add proper error handling: https://github.com/WICG/import-maps/issues/100
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fn normalize_specifier_key(
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specifier_key: &str,
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base_url: &str,
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) -> Option<String> {
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// ignore empty keys
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if specifier_key.is_empty() {
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return None;
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}
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if let Some(url) =
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ImportMap::try_url_like_specifier(specifier_key, base_url)
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{
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return Some(url.to_string());
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}
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// "bare" specifier
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Some(specifier_key.to_string())
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}
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/// Parse provided addresses as valid URLs.
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///
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/// Non-valid addresses are skipped.
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fn normalize_addresses(
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specifier_key: &str,
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base_url: &str,
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potential_addresses: Vec<String>,
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) -> Vec<ModuleSpecifier> {
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let mut normalized_addresses: Vec<ModuleSpecifier> = vec![];
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for potential_address in potential_addresses {
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let url =
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match ImportMap::try_url_like_specifier(&potential_address, base_url) {
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Some(url) => url,
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None => continue,
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};
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let url_string = url.to_string();
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if specifier_key.ends_with('/') && !url_string.ends_with('/') {
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eprintln!(
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"Invalid target address {:?} for package specifier {:?}.\
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Package address targets must end with \"/\".",
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url_string, specifier_key
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);
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continue;
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}
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normalized_addresses.push(url.into());
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}
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normalized_addresses
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}
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/// Convert provided JSON map to valid SpecifierMap.
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///
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/// From specification:
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/// - order of iteration must be retained
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/// - SpecifierMap's keys are sorted in longest and alphabetic order
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fn parse_specifier_map(
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json_map: &Map<String, Value>,
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base_url: &str,
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) -> SpecifierMap {
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let mut normalized_map: SpecifierMap = SpecifierMap::new();
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// Order is preserved because of "preserve_order" feature of "serde_json".
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for (specifier_key, value) in json_map.iter() {
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let normalized_specifier_key =
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match ImportMap::normalize_specifier_key(specifier_key, base_url) {
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Some(s) => s,
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None => continue,
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};
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let potential_addresses: Vec<String> = match value {
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Value::String(address) => vec![address.to_string()],
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Value::Array(address_array) => {
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let mut string_addresses: Vec<String> = vec![];
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for address in address_array {
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match address {
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Value::String(address) => {
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string_addresses.push(address.to_string())
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}
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_ => continue,
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}
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}
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string_addresses
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}
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Value::Null => vec![],
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_ => vec![],
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};
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let normalized_address_array = ImportMap::normalize_addresses(
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&normalized_specifier_key,
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base_url,
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potential_addresses,
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);
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debug!(
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"normalized specifier {:?}; {:?}",
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normalized_specifier_key, normalized_address_array
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);
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normalized_map.insert(normalized_specifier_key, normalized_address_array);
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}
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// Sort in longest and alphabetical order.
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normalized_map.sort_by(|k1, _v1, k2, _v2| match k1.cmp(&k2) {
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Ordering::Greater => Ordering::Less,
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Ordering::Less => Ordering::Greater,
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Ordering::Equal => k2.cmp(k1),
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});
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normalized_map
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}
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/// Convert provided JSON map to valid ScopeMap.
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///
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/// From specification:
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/// - order of iteration must be retained
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/// - ScopeMap's keys are sorted in longest and alphabetic order
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fn parse_scope_map(
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scope_map: &Map<String, Value>,
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base_url: &str,
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) -> Result<ScopesMap, ImportMapError> {
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let mut normalized_map: ScopesMap = ScopesMap::new();
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// Order is preserved because of "preserve_order" feature of "serde_json".
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for (scope_prefix, potential_specifier_map) in scope_map.iter() {
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if !potential_specifier_map.is_object() {
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return Err(ImportMapError::new(&format!(
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"The value for the {:?} scope prefix must be an object",
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scope_prefix
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)));
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}
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let potential_specifier_map =
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potential_specifier_map.as_object().unwrap();
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let scope_prefix_url =
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match Url::parse(base_url).unwrap().join(scope_prefix) {
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Ok(url) => {
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if !SUPPORTED_FETCH_SCHEMES.contains(&url.scheme()) {
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eprintln!(
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"Invalid scope {:?}. Scope URLs must have a valid fetch scheme.",
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url.to_string()
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);
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continue;
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}
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url.to_string()
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}
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_ => continue,
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};
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let norm_map =
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ImportMap::parse_specifier_map(potential_specifier_map, base_url);
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normalized_map.insert(scope_prefix_url, norm_map);
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}
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// Sort in longest and alphabetical order.
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normalized_map.sort_by(|k1, _v1, k2, _v2| match k1.cmp(&k2) {
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Ordering::Greater => Ordering::Less,
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Ordering::Less => Ordering::Greater,
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Ordering::Equal => k2.cmp(k1),
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});
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Ok(normalized_map)
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}
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pub fn resolve_scopes_match(
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scopes: &ScopesMap,
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normalized_specifier: &str,
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referrer: &str,
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) -> Result<Option<ModuleSpecifier>, ImportMapError> {
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// exact-match
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if let Some(scope_imports) = scopes.get(referrer) {
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if let Ok(scope_match) =
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ImportMap::resolve_imports_match(scope_imports, normalized_specifier)
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{
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// Return only if there was actual match (not None).
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if scope_match.is_some() {
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return Ok(scope_match);
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}
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}
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}
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for (normalized_scope_key, scope_imports) in scopes.iter() {
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if normalized_scope_key.ends_with('/')
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&& referrer.starts_with(normalized_scope_key)
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{
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if let Ok(scope_match) =
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ImportMap::resolve_imports_match(scope_imports, normalized_specifier)
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{
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// Return only if there was actual match (not None).
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if scope_match.is_some() {
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return Ok(scope_match);
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}
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}
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}
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}
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Ok(None)
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}
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// TODO: https://github.com/WICG/import-maps/issues/73#issuecomment-439327758
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// for some more optimized candidate implementations.
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pub fn resolve_imports_match(
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imports: &SpecifierMap,
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normalized_specifier: &str,
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) -> Result<Option<ModuleSpecifier>, ImportMapError> {
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// exact-match
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if let Some(address_vec) = imports.get(normalized_specifier) {
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if address_vec.is_empty() {
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return Err(ImportMapError::new(&format!(
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"Specifier {:?} was mapped to no addresses.",
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normalized_specifier
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)));
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} else if address_vec.len() == 1 {
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let address = address_vec.first().unwrap();
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debug!(
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"Specifier {:?} was mapped to {:?}.",
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normalized_specifier, address
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);
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return Ok(Some(address.clone()));
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} else {
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return Err(ImportMapError::new(
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"Multi-address mappings are not yet supported",
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));
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}
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}
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// package-prefix match
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// "most-specific wins", i.e. when there are multiple matching keys,
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// choose the longest.
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// https://github.com/WICG/import-maps/issues/102
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for (specifier_key, address_vec) in imports.iter() {
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if specifier_key.ends_with('/')
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&& normalized_specifier.starts_with(specifier_key)
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{
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if address_vec.is_empty() {
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return Err(ImportMapError::new(&format!("Specifier {:?} was mapped to no addresses (via prefix specifier key {:?}).", normalized_specifier, specifier_key)));
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} else if address_vec.len() == 1 {
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let address = address_vec.first().unwrap();
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let after_prefix = &normalized_specifier[specifier_key.len()..];
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let base_url = address.as_url();
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if let Ok(url) = base_url.join(after_prefix) {
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debug!("Specifier {:?} was mapped to {:?} (via prefix specifier key {:?}).", normalized_specifier, url, address);
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return Ok(Some(ModuleSpecifier::from(url)));
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}
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unreachable!();
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} else {
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return Err(ImportMapError::new(
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"Multi-address mappings are not yet supported",
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));
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}
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}
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}
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debug!(
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"Specifier {:?} was not mapped in import map.",
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normalized_specifier
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);
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Ok(None)
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}
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// TODO: add support for built-in modules
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/// Currently we support two types of specifiers: URL (http://, https://, file://)
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/// and "bare" (moment, jquery, lodash)
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///
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/// Scenarios:
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/// 1. import resolved using import map -> String
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/// 2. import restricted by import map -> ImportMapError
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/// 3. import not mapped -> None
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pub fn resolve(
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&self,
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specifier: &str,
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referrer: &str,
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) -> Result<Option<ModuleSpecifier>, ImportMapError> {
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let resolved_url: Option<Url> =
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ImportMap::try_url_like_specifier(specifier, referrer);
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let normalized_specifier = match &resolved_url {
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Some(url) => url.to_string(),
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None => specifier.to_string(),
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};
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let scopes_match = ImportMap::resolve_scopes_match(
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&self.scopes,
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&normalized_specifier,
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&referrer.to_string(),
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)?;
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// match found in scopes map
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if scopes_match.is_some() {
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return Ok(scopes_match);
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}
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let imports_match =
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ImportMap::resolve_imports_match(&self.imports, &normalized_specifier)?;
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// match found in import map
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if imports_match.is_some() {
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return Ok(imports_match);
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}
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// no match in import map but we got resolvable URL
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if let Some(resolved_url) = resolved_url {
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return Ok(Some(ModuleSpecifier::from(resolved_url)));
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}
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Err(ImportMapError::new(&format!(
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"Unmapped bare specifier {:?}",
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normalized_specifier
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)))
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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|
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#[test]
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fn load_nonexistent() {
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let file_path = "nonexistent_import_map.json";
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assert!(ImportMap::load(file_path).is_err());
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}
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|
|
#[test]
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fn from_json_1() {
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let base_url = "https://deno.land";
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// empty JSON
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assert!(ImportMap::from_json(base_url, "{}").is_ok());
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let non_object_strings = vec!["null", "true", "1", "\"foo\"", "[]"];
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|
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// invalid JSON
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for non_object in non_object_strings.to_vec() {
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assert!(ImportMap::from_json(base_url, non_object).is_err());
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}
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|
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// invalid schema: 'imports' is non-object
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for non_object in non_object_strings.to_vec() {
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assert!(ImportMap::from_json(
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base_url,
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&format!("{{\"imports\": {}}}", non_object),
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)
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.is_err());
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}
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// invalid schema: 'scopes' is non-object
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for non_object in non_object_strings.to_vec() {
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assert!(ImportMap::from_json(
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base_url,
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&format!("{{\"scopes\": {}}}", non_object),
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)
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.is_err());
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}
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}
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|
|
#[test]
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fn from_json_2() {
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let json_map = r#"{
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"imports": {
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"foo": "https://example.com/1",
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"bar": ["https://example.com/2"],
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"fizz": null
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}
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}"#;
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let result = ImportMap::from_json("https://deno.land", json_map);
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assert!(result.is_ok());
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}
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|
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#[test]
|
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fn parse_specifier_keys_relative() {
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// Should absolutize strings prefixed with ./, ../, or / into the corresponding URLs..
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let json_map = r#"{
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"imports": {
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"./foo": "/dotslash",
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"../foo": "/dotdotslash",
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"/foo": "/slash"
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}
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}"#;
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let import_map =
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ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
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|
.unwrap();
|
|
assert_eq!(
|
|
import_map
|
|
.imports
|
|
.get("https://base.example/path1/path2/foo")
|
|
.unwrap()[0],
|
|
"https://base.example/dotslash".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map
|
|
.imports
|
|
.get("https://base.example/path1/foo")
|
|
.unwrap()[0],
|
|
"https://base.example/dotdotslash".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https://base.example/foo").unwrap()[0],
|
|
"https://base.example/slash".to_string()
|
|
);
|
|
|
|
// Should absolutize the literal strings ./, ../, or / with no suffix..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"./": "/dotslash/",
|
|
"../": "/dotdotslash/",
|
|
"/": "/slash/"
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert_eq!(
|
|
import_map
|
|
.imports
|
|
.get("https://base.example/path1/path2/")
|
|
.unwrap()[0],
|
|
"https://base.example/dotslash/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map
|
|
.imports
|
|
.get("https://base.example/path1/")
|
|
.unwrap()[0],
|
|
"https://base.example/dotdotslash/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https://base.example/").unwrap()[0],
|
|
"https://base.example/slash/".to_string()
|
|
);
|
|
|
|
// Should treat percent-encoded variants of ./, ../, or / as bare specifiers..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"%2E/": "/dotSlash1/",
|
|
"%2E%2E/": "/dotDotSlash1/",
|
|
".%2F": "/dotSlash2",
|
|
"..%2F": "/dotDotSlash2",
|
|
"%2F": "/slash2",
|
|
"%2E%2F": "/dotSlash3",
|
|
"%2E%2E%2F": "/dotDotSlash3"
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert_eq!(
|
|
import_map.imports.get("%2E/").unwrap()[0],
|
|
"https://base.example/dotSlash1/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("%2E%2E/").unwrap()[0],
|
|
"https://base.example/dotDotSlash1/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get(".%2F").unwrap()[0],
|
|
"https://base.example/dotSlash2".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("..%2F").unwrap()[0],
|
|
"https://base.example/dotDotSlash2".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("%2F").unwrap()[0],
|
|
"https://base.example/slash2".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("%2E%2F").unwrap()[0],
|
|
"https://base.example/dotSlash3".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("%2E%2E%2F").unwrap()[0],
|
|
"https://base.example/dotDotSlash3".to_string()
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn parse_specifier_keys_absolute() {
|
|
// Should only accept absolute URL specifier keys with fetch schemes,.
|
|
// treating others as bare specifiers.
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"file:///good": "/file",
|
|
"http://good/": "/http/",
|
|
"https://good/": "/https/",
|
|
"about:bad": "/about",
|
|
"blob:bad": "/blob",
|
|
"data:bad": "/data",
|
|
"filesystem:bad": "/filesystem",
|
|
"ftp://bad/": "/ftp/",
|
|
"import:bad": "/import",
|
|
"mailto:bad": "/mailto",
|
|
"javascript:bad": "/javascript",
|
|
"wss:bad": "/wss"
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert_eq!(
|
|
import_map.imports.get("http://good/").unwrap()[0],
|
|
"https://base.example/http/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https://good/").unwrap()[0],
|
|
"https://base.example/https/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("file:///good").unwrap()[0],
|
|
"https://base.example/file".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("http://good/").unwrap()[0],
|
|
"https://base.example/http/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("import:bad").unwrap()[0],
|
|
"https://base.example/import".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("mailto:bad").unwrap()[0],
|
|
"https://base.example/mailto".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("javascript:bad").unwrap()[0],
|
|
"https://base.example/javascript".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("wss:bad").unwrap()[0],
|
|
"https://base.example/wss".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("about:bad").unwrap()[0],
|
|
"https://base.example/about".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("blob:bad").unwrap()[0],
|
|
"https://base.example/blob".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("data:bad").unwrap()[0],
|
|
"https://base.example/data".to_string()
|
|
);
|
|
|
|
// Should parse absolute URLs, treating unparseable ones as bare specifiers..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"https://ex ample.org/": "/unparseable1/",
|
|
"https://example.com:demo": "/unparseable2",
|
|
"http://[www.example.com]/": "/unparseable3/",
|
|
"https:example.org": "/invalidButParseable1/",
|
|
"https://///example.com///": "/invalidButParseable2/",
|
|
"https://example.net": "/prettyNormal/",
|
|
"https://ex%41mple.com/": "/percentDecoding/",
|
|
"https://example.com/%41": "/noPercentDecoding"
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert_eq!(
|
|
import_map.imports.get("https://ex ample.org/").unwrap()[0],
|
|
"https://base.example/unparseable1/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https://example.com:demo").unwrap()[0],
|
|
"https://base.example/unparseable2".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("http://[www.example.com]/").unwrap()[0],
|
|
"https://base.example/unparseable3/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https://example.org/").unwrap()[0],
|
|
"https://base.example/invalidButParseable1/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https://example.com///").unwrap()[0],
|
|
"https://base.example/invalidButParseable2/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https://example.net/").unwrap()[0],
|
|
"https://base.example/prettyNormal/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https://example.com/").unwrap()[0],
|
|
"https://base.example/percentDecoding/".to_string()
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https://example.com/%41").unwrap()[0],
|
|
"https://base.example/noPercentDecoding".to_string()
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn parse_scope_keys_relative() {
|
|
// Should work with no prefix..
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"foo": {}
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert!(import_map
|
|
.scopes
|
|
.contains_key("https://base.example/path1/path2/foo"));
|
|
|
|
// Should work with ./, ../, and / prefixes..
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"./foo": {},
|
|
"../foo": {},
|
|
"/foo": {}
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert!(import_map
|
|
.scopes
|
|
.contains_key("https://base.example/path1/path2/foo"));
|
|
assert!(import_map
|
|
.scopes
|
|
.contains_key("https://base.example/path1/foo"));
|
|
assert!(import_map.scopes.contains_key("https://base.example/foo"));
|
|
|
|
// Should work with /s, ?s, and #s..
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"foo/bar?baz#qux": {}
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert!(import_map
|
|
.scopes
|
|
.contains_key("https://base.example/path1/path2/foo/bar?baz#qux"));
|
|
|
|
// Should work with an empty string scope key..
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"": {}
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert!(import_map
|
|
.scopes
|
|
.contains_key("https://base.example/path1/path2/path3"));
|
|
|
|
// Should work with / suffixes..
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"foo/": {},
|
|
"./foo/": {},
|
|
"../foo/": {},
|
|
"/foo/": {},
|
|
"/foo//": {}
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert!(import_map
|
|
.scopes
|
|
.contains_key("https://base.example/path1/path2/foo/"));
|
|
assert!(import_map
|
|
.scopes
|
|
.contains_key("https://base.example/path1/path2/foo/"));
|
|
assert!(import_map
|
|
.scopes
|
|
.contains_key("https://base.example/path1/foo/"));
|
|
assert!(import_map.scopes.contains_key("https://base.example/foo/"));
|
|
assert!(import_map.scopes.contains_key("https://base.example/foo//"));
|
|
|
|
// Should deduplicate based on URL parsing rules..
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"foo/\\": {},
|
|
"foo//": {},
|
|
"foo\\\\": {}
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert!(import_map
|
|
.scopes
|
|
.contains_key("https://base.example/path1/path2/foo//"));
|
|
assert_eq!(import_map.scopes.len(), 1);
|
|
}
|
|
|
|
#[test]
|
|
fn parse_scope_keys_absolute() {
|
|
// Should only accept absolute URL scope keys with fetch schemes..
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"http://good/": {},
|
|
"https://good/": {},
|
|
"file:///good": {},
|
|
"about:bad": {},
|
|
"blob:bad": {},
|
|
"data:bad": {},
|
|
"filesystem:bad": {},
|
|
"ftp://bad/": {},
|
|
"import:bad": {},
|
|
"mailto:bad": {},
|
|
"javascript:bad": {},
|
|
"wss:bad": {}
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
assert!(import_map.scopes.contains_key("http://good/"));
|
|
assert!(import_map.scopes.contains_key("https://good/"));
|
|
assert!(import_map.scopes.contains_key("file:///good"));
|
|
assert_eq!(import_map.scopes.len(), 3);
|
|
|
|
// Should parse absolute URL scope keys, ignoring unparseable ones..
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"https://ex ample.org/": {},
|
|
"https://example.com:demo": {},
|
|
"http://[www.example.com]/": {},
|
|
"https:example.org": {},
|
|
"https://///example.com///": {},
|
|
"https://example.net": {},
|
|
"https://ex%41mple.com/foo/": {},
|
|
"https://example.com/%41": {}
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
// tricky case! remember we have a base URL
|
|
assert!(import_map
|
|
.scopes
|
|
.contains_key("https://base.example/path1/path2/example.org"));
|
|
assert!(import_map.scopes.contains_key("https://example.com///"));
|
|
assert!(import_map.scopes.contains_key("https://example.net/"));
|
|
assert!(import_map.scopes.contains_key("https://example.com/foo/"));
|
|
assert!(import_map.scopes.contains_key("https://example.com/%41"));
|
|
assert_eq!(import_map.scopes.len(), 5);
|
|
}
|
|
|
|
#[test]
|
|
fn parse_addresses_relative_url_like() {
|
|
// Should accept strings prefixed with ./, ../, or /..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"dotSlash": "./foo",
|
|
"dotDotSlash": "../foo",
|
|
"slash": "/foo"
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
|
|
assert_eq!(
|
|
import_map.imports.get("dotSlash").unwrap(),
|
|
&vec!["https://base.example/path1/path2/foo".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("dotDotSlash").unwrap(),
|
|
&vec!["https://base.example/path1/foo".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("slash").unwrap(),
|
|
&vec!["https://base.example/foo".to_string()]
|
|
);
|
|
|
|
// Should accept the literal strings ./, ../, or / with no suffix..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"dotSlash": "./",
|
|
"dotDotSlash": "../",
|
|
"slash": "/"
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
|
|
assert_eq!(
|
|
import_map.imports.get("dotSlash").unwrap(),
|
|
&vec!["https://base.example/path1/path2/".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("dotDotSlash").unwrap(),
|
|
&vec!["https://base.example/path1/".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("slash").unwrap(),
|
|
&vec!["https://base.example/".to_string()]
|
|
);
|
|
|
|
// Should ignore percent-encoded variants of ./, ../, or /..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"dotSlash1": "%2E/",
|
|
"dotDotSlash1": "%2E%2E/",
|
|
"dotSlash2": ".%2F",
|
|
"dotDotSlash2": "..%2F",
|
|
"slash2": "%2F",
|
|
"dotSlash3": "%2E%2F",
|
|
"dotDotSlash3": "%2E%2E%2F"
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
|
|
assert!(import_map.imports.get("dotSlash1").unwrap().is_empty());
|
|
assert!(import_map.imports.get("dotDotSlash1").unwrap().is_empty());
|
|
assert!(import_map.imports.get("dotSlash2").unwrap().is_empty());
|
|
assert!(import_map.imports.get("dotDotSlash2").unwrap().is_empty());
|
|
assert!(import_map.imports.get("slash2").unwrap().is_empty());
|
|
assert!(import_map.imports.get("dotSlash3").unwrap().is_empty());
|
|
assert!(import_map.imports.get("dotDotSlash3").unwrap().is_empty());
|
|
}
|
|
|
|
#[test]
|
|
fn parse_addresses_absolute_with_fetch_schemes() {
|
|
// Should only accept absolute URL addresses with fetch schemes..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"http": "http://good/",
|
|
"https": "https://good/",
|
|
"file": "file:///good",
|
|
"about": "about:bad",
|
|
"blob": "blob:bad",
|
|
"data": "data:bad",
|
|
"filesystem": "filesystem:bad",
|
|
"ftp": "ftp://good/",
|
|
"import": "import:bad",
|
|
"mailto": "mailto:bad",
|
|
"javascript": "javascript:bad",
|
|
"wss": "wss:bad"
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
|
|
assert_eq!(
|
|
import_map.imports.get("file").unwrap(),
|
|
&vec!["file:///good".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("http").unwrap(),
|
|
&vec!["http://good/".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https").unwrap(),
|
|
&vec!["https://good/".to_string()]
|
|
);
|
|
|
|
assert!(import_map.imports.get("about").unwrap().is_empty());
|
|
assert!(import_map.imports.get("blob").unwrap().is_empty());
|
|
assert!(import_map.imports.get("data").unwrap().is_empty());
|
|
assert!(import_map.imports.get("filesystem").unwrap().is_empty());
|
|
assert!(import_map.imports.get("ftp").unwrap().is_empty());
|
|
assert!(import_map.imports.get("import").unwrap().is_empty());
|
|
assert!(import_map.imports.get("mailto").unwrap().is_empty());
|
|
assert!(import_map.imports.get("javascript").unwrap().is_empty());
|
|
assert!(import_map.imports.get("wss").unwrap().is_empty());
|
|
}
|
|
|
|
#[test]
|
|
fn parse_addresses_absolute_with_fetch_schemes_arrays() {
|
|
// Should only accept absolute URL addresses with fetch schemes inside arrays..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"http": ["http://good/"],
|
|
"https": ["https://good/"],
|
|
"file": ["file:///good"],
|
|
"about": ["about:bad"],
|
|
"blob": ["blob:bad"],
|
|
"data": ["data:bad"],
|
|
"filesystem": ["filesystem:bad"],
|
|
"ftp": ["ftp://good/"],
|
|
"import": ["import:bad"],
|
|
"mailto": ["mailto:bad"],
|
|
"javascript": ["javascript:bad"],
|
|
"wss": ["wss:bad"]
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
|
|
assert_eq!(
|
|
import_map.imports.get("file").unwrap(),
|
|
&vec!["file:///good".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("http").unwrap(),
|
|
&vec!["http://good/".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("https").unwrap(),
|
|
&vec!["https://good/".to_string()]
|
|
);
|
|
|
|
assert!(import_map.imports.get("about").unwrap().is_empty());
|
|
assert!(import_map.imports.get("blob").unwrap().is_empty());
|
|
assert!(import_map.imports.get("data").unwrap().is_empty());
|
|
assert!(import_map.imports.get("filesystem").unwrap().is_empty());
|
|
assert!(import_map.imports.get("ftp").unwrap().is_empty());
|
|
assert!(import_map.imports.get("import").unwrap().is_empty());
|
|
assert!(import_map.imports.get("mailto").unwrap().is_empty());
|
|
assert!(import_map.imports.get("javascript").unwrap().is_empty());
|
|
assert!(import_map.imports.get("wss").unwrap().is_empty());
|
|
}
|
|
|
|
#[test]
|
|
fn parse_addresses_unparseable() {
|
|
// Should parse absolute URLs, ignoring unparseable ones..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"unparseable1": "https://ex ample.org/",
|
|
"unparseable2": "https://example.com:demo",
|
|
"unparseable3": "http://[www.example.com]/",
|
|
"invalidButParseable1": "https:example.org",
|
|
"invalidButParseable2": "https://///example.com///",
|
|
"prettyNormal": "https://example.net",
|
|
"percentDecoding": "https://ex%41mple.com/",
|
|
"noPercentDecoding": "https://example.com/%41"
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
|
|
assert_eq!(
|
|
import_map.imports.get("invalidButParseable1").unwrap(),
|
|
&vec!["https://example.org/".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("invalidButParseable2").unwrap(),
|
|
&vec!["https://example.com///".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("prettyNormal").unwrap(),
|
|
&vec!["https://example.net/".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("percentDecoding").unwrap(),
|
|
&vec!["https://example.com/".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("noPercentDecoding").unwrap(),
|
|
&vec!["https://example.com/%41".to_string()]
|
|
);
|
|
|
|
assert!(import_map.imports.get("unparseable1").unwrap().is_empty());
|
|
assert!(import_map.imports.get("unparseable2").unwrap().is_empty());
|
|
assert!(import_map.imports.get("unparseable3").unwrap().is_empty());
|
|
}
|
|
|
|
#[test]
|
|
fn parse_addresses_unparseable_arrays() {
|
|
// Should parse absolute URLs, ignoring unparseable ones inside arrays..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"unparseable1": ["https://ex ample.org/"],
|
|
"unparseable2": ["https://example.com:demo"],
|
|
"unparseable3": ["http://[www.example.com]/"],
|
|
"invalidButParseable1": ["https:example.org"],
|
|
"invalidButParseable2": ["https://///example.com///"],
|
|
"prettyNormal": ["https://example.net"],
|
|
"percentDecoding": ["https://ex%41mple.com/"],
|
|
"noPercentDecoding": ["https://example.com/%41"]
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
|
|
assert_eq!(
|
|
import_map.imports.get("invalidButParseable1").unwrap(),
|
|
&vec!["https://example.org/".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("invalidButParseable2").unwrap(),
|
|
&vec!["https://example.com///".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("prettyNormal").unwrap(),
|
|
&vec!["https://example.net/".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("percentDecoding").unwrap(),
|
|
&vec!["https://example.com/".to_string()]
|
|
);
|
|
assert_eq!(
|
|
import_map.imports.get("noPercentDecoding").unwrap(),
|
|
&vec!["https://example.com/%41".to_string()]
|
|
);
|
|
|
|
assert!(import_map.imports.get("unparseable1").unwrap().is_empty());
|
|
assert!(import_map.imports.get("unparseable2").unwrap().is_empty());
|
|
assert!(import_map.imports.get("unparseable3").unwrap().is_empty());
|
|
}
|
|
|
|
#[test]
|
|
fn parse_addresses_mismatched_trailing_slashes() {
|
|
// Should parse absolute URLs, ignoring unparseable ones inside arrays..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"trailer/": "/notrailer"
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
|
|
assert!(import_map.imports.get("trailer/").unwrap().is_empty());
|
|
// TODO: I'd be good to assert that warning was shown
|
|
}
|
|
|
|
#[test]
|
|
fn parse_addresses_mismatched_trailing_slashes_array() {
|
|
// Should warn for a mismatch alone in an array..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"trailer/": ["/notrailer"]
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
|
|
assert!(import_map.imports.get("trailer/").unwrap().is_empty());
|
|
// TODO: I'd be good to assert that warning was shown
|
|
}
|
|
|
|
#[test]
|
|
fn parse_addresses_mismatched_trailing_slashes_with_nonmismatched_array() {
|
|
// Should warn for a mismatch alone in an array..
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"trailer/": ["/atrailer/", "/notrailer"]
|
|
}
|
|
}"#;
|
|
let import_map =
|
|
ImportMap::from_json("https://base.example/path1/path2/path3", json_map)
|
|
.unwrap();
|
|
|
|
assert_eq!(
|
|
import_map.imports.get("trailer/").unwrap(),
|
|
&vec!["https://base.example/atrailer/".to_string()]
|
|
);
|
|
// TODO: I'd be good to assert that warning was shown
|
|
}
|
|
|
|
#[test]
|
|
fn parse_addresses_other_invalid() {
|
|
// Should ignore unprefixed strings that are not absolute URLs.
|
|
for bad in &["bar", "\\bar", "~bar", "#bar", "?bar"] {
|
|
let json_map = json!({
|
|
"imports": {
|
|
"foo": bad
|
|
}
|
|
});
|
|
let import_map = ImportMap::from_json(
|
|
"https://base.example/path1/path2/path3",
|
|
&json_map.to_string(),
|
|
)
|
|
.unwrap();
|
|
|
|
assert!(import_map.imports.get("foo").unwrap().is_empty());
|
|
}
|
|
}
|
|
|
|
fn get_empty_import_map() -> ImportMap {
|
|
ImportMap {
|
|
base_url: "https://example.com/app/main.ts".to_string(),
|
|
imports: IndexMap::new(),
|
|
scopes: IndexMap::new(),
|
|
}
|
|
}
|
|
|
|
fn assert_resolve(
|
|
result: Result<Option<ModuleSpecifier>, ImportMapError>,
|
|
expected_url: &str,
|
|
) {
|
|
let maybe_url = result
|
|
.unwrap_or_else(|err| panic!("ImportMap::resolve failed: {:?}", err));
|
|
let resolved_url =
|
|
maybe_url.unwrap_or_else(|| panic!("Unexpected None resolved URL"));
|
|
assert_eq!(resolved_url, expected_url.to_string());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_unmapped_relative_specifiers() {
|
|
let referrer_url = "https://example.com/js/script.ts";
|
|
let import_map = get_empty_import_map();
|
|
|
|
// Should resolve ./ specifiers as URLs.
|
|
assert_resolve(
|
|
import_map.resolve("./foo", referrer_url),
|
|
"https://example.com/js/foo",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("./foo/bar", referrer_url),
|
|
"https://example.com/js/foo/bar",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("./foo/../bar", referrer_url),
|
|
"https://example.com/js/bar",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("./foo/../../bar", referrer_url),
|
|
"https://example.com/bar",
|
|
);
|
|
|
|
// Should resolve ../ specifiers as URLs.
|
|
assert_resolve(
|
|
import_map.resolve("../foo", referrer_url),
|
|
"https://example.com/foo",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("../foo/bar", referrer_url),
|
|
"https://example.com/foo/bar",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("../../../foo/bar", referrer_url),
|
|
"https://example.com/foo/bar",
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_unmapped_absolute_specifiers() {
|
|
let referrer_url = "https://example.com/js/script.ts";
|
|
let import_map = get_empty_import_map();
|
|
|
|
// Should resolve / specifiers as URLs.
|
|
assert_resolve(
|
|
import_map.resolve("/foo", referrer_url),
|
|
"https://example.com/foo",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("/foo/bar", referrer_url),
|
|
"https://example.com/foo/bar",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("../../foo/bar", referrer_url),
|
|
"https://example.com/foo/bar",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("/../foo/../bar", referrer_url),
|
|
"https://example.com/bar",
|
|
);
|
|
|
|
// Should parse absolute fetch-scheme URLs.
|
|
assert_resolve(
|
|
import_map.resolve("https://example.net", referrer_url),
|
|
"https://example.net/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("https://ex%41mple.com/", referrer_url),
|
|
"https://example.com/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("https:example.org", referrer_url),
|
|
"https://example.org/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("https://///example.com///", referrer_url),
|
|
"https://example.com///",
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_unmapped_bad_specifiers() {
|
|
let referrer_url = "https://example.com/js/script.ts";
|
|
let import_map = get_empty_import_map();
|
|
|
|
// Should fail for absolute non-fetch-scheme URLs.
|
|
assert!(import_map.resolve("about:good", referrer_url).is_err());
|
|
assert!(import_map.resolve("mailto:bad", referrer_url).is_err());
|
|
assert!(import_map.resolve("import:bad", referrer_url).is_err());
|
|
assert!(import_map.resolve("javascript:bad", referrer_url).is_err());
|
|
assert!(import_map.resolve("wss:bad", referrer_url).is_err());
|
|
|
|
// Should fail for string not parseable as absolute URLs and not starting with ./, ../ or /.
|
|
assert!(import_map.resolve("foo", referrer_url).is_err());
|
|
assert!(import_map.resolve("\\foo", referrer_url).is_err());
|
|
assert!(import_map.resolve(":foo", referrer_url).is_err());
|
|
assert!(import_map.resolve("@foo", referrer_url).is_err());
|
|
assert!(import_map.resolve("%2E/foo", referrer_url).is_err());
|
|
assert!(import_map.resolve("%2E%2Efoo", referrer_url).is_err());
|
|
assert!(import_map.resolve(".%2Efoo", referrer_url).is_err());
|
|
assert!(import_map
|
|
.resolve("https://ex ample.org", referrer_url)
|
|
.is_err());
|
|
assert!(import_map
|
|
.resolve("https://example.org:deno", referrer_url)
|
|
.is_err());
|
|
assert!(import_map
|
|
.resolve("https://[example.org]", referrer_url)
|
|
.is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_imports_mapped() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
let referrer_url = "https://example.com/js/script.ts";
|
|
|
|
// Should fail when mapping is to an empty array.
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"moment": null,
|
|
"lodash": []
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
assert!(import_map.resolve("moment", referrer_url).is_err());
|
|
assert!(import_map.resolve("lodash", referrer_url).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_imports_package_like_modules() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
let referrer_url = "https://example.com/js/script.ts";
|
|
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"moment": "/deps/moment/src/moment.js",
|
|
"moment/": "/deps/moment/src/",
|
|
"lodash-dot": "./deps/lodash-es/lodash.js",
|
|
"lodash-dot/": "./deps/lodash-es/",
|
|
"lodash-dotdot": "../deps/lodash-es/lodash.js",
|
|
"lodash-dotdot/": "../deps/lodash-es/",
|
|
"nowhere/": []
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
// Should work for package main modules.
|
|
assert_resolve(
|
|
import_map.resolve("moment", referrer_url),
|
|
"https://example.com/deps/moment/src/moment.js",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dot", referrer_url),
|
|
"https://example.com/app/deps/lodash-es/lodash.js",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dotdot", referrer_url),
|
|
"https://example.com/deps/lodash-es/lodash.js",
|
|
);
|
|
|
|
// Should work for package submodules.
|
|
assert_resolve(
|
|
import_map.resolve("moment/foo", referrer_url),
|
|
"https://example.com/deps/moment/src/foo",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dot/foo", referrer_url),
|
|
"https://example.com/app/deps/lodash-es/foo",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dotdot/foo", referrer_url),
|
|
"https://example.com/deps/lodash-es/foo",
|
|
);
|
|
|
|
// Should work for package names that end in a slash.
|
|
assert_resolve(
|
|
import_map.resolve("moment/", referrer_url),
|
|
"https://example.com/deps/moment/src/",
|
|
);
|
|
|
|
// Should fail for package modules that are not declared.
|
|
assert!(import_map.resolve("underscore/", referrer_url).is_err());
|
|
assert!(import_map.resolve("underscore/foo", referrer_url).is_err());
|
|
|
|
// Should fail for package submodules that map to nowhere.
|
|
assert!(import_map.resolve("nowhere/foo", referrer_url).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_imports_tricky_specifiers() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
let referrer_url = "https://example.com/js/script.ts";
|
|
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"package/withslash": "/deps/package-with-slash/index.mjs",
|
|
"not-a-package": "/lib/not-a-package.mjs",
|
|
".": "/lib/dot.mjs",
|
|
"..": "/lib/dotdot.mjs",
|
|
"..\\\\": "/lib/dotdotbackslash.mjs",
|
|
"%2E": "/lib/percent2e.mjs",
|
|
"%2F": "/lib/percent2f.mjs"
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
// Should work for explicitly-mapped specifiers that happen to have a slash.
|
|
assert_resolve(
|
|
import_map.resolve("package/withslash", referrer_url),
|
|
"https://example.com/deps/package-with-slash/index.mjs",
|
|
);
|
|
|
|
// Should work when the specifier has punctuation.
|
|
assert_resolve(
|
|
import_map.resolve(".", referrer_url),
|
|
"https://example.com/lib/dot.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("..", referrer_url),
|
|
"https://example.com/lib/dotdot.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("..\\\\", referrer_url),
|
|
"https://example.com/lib/dotdotbackslash.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("%2E", referrer_url),
|
|
"https://example.com/lib/percent2e.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("%2F", referrer_url),
|
|
"https://example.com/lib/percent2f.mjs",
|
|
);
|
|
|
|
// Should fail for attempting to get a submodule of something not declared with a trailing slash.
|
|
assert!(import_map
|
|
.resolve("not-a-package/foo", referrer_url)
|
|
.is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_imports_url_like_specifier() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
let referrer_url = "https://example.com/js/script.ts";
|
|
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"/node_modules/als-polyfill/index.mjs": "std:kv-storage",
|
|
"/lib/foo.mjs": "./more/bar.mjs",
|
|
"./dotrelative/foo.mjs": "/lib/dot.mjs",
|
|
"../dotdotrelative/foo.mjs": "/lib/dotdot.mjs",
|
|
"/lib/no.mjs": null,
|
|
"./dotrelative/no.mjs": [],
|
|
"/": "/lib/slash-only/",
|
|
"./": "/lib/dotslash-only/",
|
|
"/test/": "/lib/url-trailing-slash/",
|
|
"./test/": "/lib/url-trailing-slash-dot/",
|
|
"/test": "/lib/test1.mjs",
|
|
"../test": "/lib/test2.mjs"
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
// Should remap to other URLs.
|
|
assert_resolve(
|
|
import_map.resolve("https://example.com/lib/foo.mjs", referrer_url),
|
|
"https://example.com/app/more/bar.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("https://///example.com/lib/foo.mjs", referrer_url),
|
|
"https://example.com/app/more/bar.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("/lib/foo.mjs", referrer_url),
|
|
"https://example.com/app/more/bar.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map
|
|
.resolve("https://example.com/app/dotrelative/foo.mjs", referrer_url),
|
|
"https://example.com/lib/dot.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("../app/dotrelative/foo.mjs", referrer_url),
|
|
"https://example.com/lib/dot.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map
|
|
.resolve("https://example.com/dotdotrelative/foo.mjs", referrer_url),
|
|
"https://example.com/lib/dotdot.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("../dotdotrelative/foo.mjs", referrer_url),
|
|
"https://example.com/lib/dotdot.mjs",
|
|
);
|
|
|
|
// Should fail for URLs that remap to empty arrays.
|
|
assert!(import_map
|
|
.resolve("https://example.com/lib/no.mjs", referrer_url)
|
|
.is_err());
|
|
assert!(import_map.resolve("/lib/no.mjs", referrer_url).is_err());
|
|
assert!(import_map.resolve("../lib/no.mjs", referrer_url).is_err());
|
|
assert!(import_map
|
|
.resolve("https://example.com/app/dotrelative/no.mjs", referrer_url)
|
|
.is_err());
|
|
assert!(import_map
|
|
.resolve("/app/dotrelative/no.mjs", referrer_url)
|
|
.is_err());
|
|
assert!(import_map
|
|
.resolve("../app/dotrelative/no.mjs", referrer_url)
|
|
.is_err());
|
|
|
|
// Should remap URLs that are just composed from / and ..
|
|
assert_resolve(
|
|
import_map.resolve("https://example.com/", referrer_url),
|
|
"https://example.com/lib/slash-only/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("/", referrer_url),
|
|
"https://example.com/lib/slash-only/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("../", referrer_url),
|
|
"https://example.com/lib/slash-only/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("https://example.com/app/", referrer_url),
|
|
"https://example.com/lib/dotslash-only/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("/app/", referrer_url),
|
|
"https://example.com/lib/dotslash-only/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("../app/", referrer_url),
|
|
"https://example.com/lib/dotslash-only/",
|
|
);
|
|
|
|
// Should remap URLs that are prefix-matched by keys with trailing slashes.
|
|
assert_resolve(
|
|
import_map.resolve("/test/foo.mjs", referrer_url),
|
|
"https://example.com/lib/url-trailing-slash/foo.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("https://example.com/app/test/foo.mjs", referrer_url),
|
|
"https://example.com/lib/url-trailing-slash-dot/foo.mjs",
|
|
);
|
|
|
|
// Should use the last entry's address when URL-like specifiers parse to the same absolute URL.
|
|
//
|
|
// NOTE: this works properly because of "preserve_order" feature flag to "serde_json" crate
|
|
assert_resolve(
|
|
import_map.resolve("/test", referrer_url),
|
|
"https://example.com/lib/test2.mjs",
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_imports_overlapping_entities_with_trailing_slashes() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
let referrer_url = "https://example.com/js/script.ts";
|
|
|
|
// Should favor the most-specific key (no empty arrays).
|
|
{
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"a": "/1",
|
|
"a/": "/2/",
|
|
"a/b": "/3",
|
|
"a/b/": "/4/"
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
assert_resolve(
|
|
import_map.resolve("a", referrer_url),
|
|
"https://example.com/1",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("a/", referrer_url),
|
|
"https://example.com/2/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("a/b", referrer_url),
|
|
"https://example.com/3",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("a/b/", referrer_url),
|
|
"https://example.com/4/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("a/b/c", referrer_url),
|
|
"https://example.com/4/c",
|
|
);
|
|
}
|
|
|
|
// Should favor the most-specific key when empty arrays are involved for less-specific keys.
|
|
{
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"a": [],
|
|
"a/": [],
|
|
"a/b": "/3",
|
|
"a/b/": "/4/"
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
assert!(import_map.resolve("a", referrer_url).is_err());
|
|
assert!(import_map.resolve("a/", referrer_url).is_err());
|
|
assert!(import_map.resolve("a/x", referrer_url).is_err());
|
|
assert_resolve(
|
|
import_map.resolve("a/b", referrer_url),
|
|
"https://example.com/3",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("a/b/", referrer_url),
|
|
"https://example.com/4/",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("a/b/c", referrer_url),
|
|
"https://example.com/4/c",
|
|
);
|
|
assert!(import_map.resolve("a/x/c", referrer_url).is_err());
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_scopes_map_to_empty_array() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
let referrer_url = "https://example.com/js";
|
|
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"/js/": {
|
|
"moment": "null",
|
|
"lodash": []
|
|
}
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
assert!(import_map.resolve("moment", referrer_url).is_err());
|
|
assert!(import_map.resolve("lodash", referrer_url).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_scopes_exact_vs_prefix_matching() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"/js": {
|
|
"moment": "/only-triggered-by-exact/moment",
|
|
"moment/": "/only-triggered-by-exact/moment/"
|
|
},
|
|
"/js/": {
|
|
"moment": "/triggered-by-any-subpath/moment",
|
|
"moment/": "/triggered-by-any-subpath/moment/"
|
|
}
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
let js_non_dir = "https://example.com/js";
|
|
let js_in_dir = "https://example.com/js/app.mjs";
|
|
let with_js_prefix = "https://example.com/jsiscool";
|
|
|
|
assert_resolve(
|
|
import_map.resolve("moment", js_non_dir),
|
|
"https://example.com/only-triggered-by-exact/moment",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("moment/foo", js_non_dir),
|
|
"https://example.com/only-triggered-by-exact/moment/foo",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("moment", js_in_dir),
|
|
"https://example.com/triggered-by-any-subpath/moment",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("moment/foo", js_in_dir),
|
|
"https://example.com/triggered-by-any-subpath/moment/foo",
|
|
);
|
|
assert!(import_map.resolve("moment", with_js_prefix).is_err());
|
|
assert!(import_map.resolve("moment/foo", with_js_prefix).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_scopes_only_exact_in_map() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"/js": {
|
|
"moment": "/only-triggered-by-exact/moment",
|
|
"moment/": "/only-triggered-by-exact/moment/"
|
|
}
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
// Should match correctly when only an exact match is in the map.
|
|
let js_non_dir = "https://example.com/js";
|
|
let js_in_dir = "https://example.com/js/app.mjs";
|
|
let with_js_prefix = "https://example.com/jsiscool";
|
|
|
|
assert_resolve(
|
|
import_map.resolve("moment", js_non_dir),
|
|
"https://example.com/only-triggered-by-exact/moment",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("moment/foo", js_non_dir),
|
|
"https://example.com/only-triggered-by-exact/moment/foo",
|
|
);
|
|
assert!(import_map.resolve("moment", js_in_dir).is_err());
|
|
assert!(import_map.resolve("moment/foo", js_in_dir).is_err());
|
|
assert!(import_map.resolve("moment", with_js_prefix).is_err());
|
|
assert!(import_map.resolve("moment/foo", with_js_prefix).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_scopes_only_prefix_in_map() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
|
|
let json_map = r#"{
|
|
"scopes": {
|
|
"/js/": {
|
|
"moment": "/triggered-by-any-subpath/moment",
|
|
"moment/": "/triggered-by-any-subpath/moment/"
|
|
}
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
// Should match correctly when only a prefix match is in the map.
|
|
let js_non_dir = "https://example.com/js";
|
|
let js_in_dir = "https://example.com/js/app.mjs";
|
|
let with_js_prefix = "https://example.com/jsiscool";
|
|
|
|
assert!(import_map.resolve("moment", js_non_dir).is_err());
|
|
assert!(import_map.resolve("moment/foo", js_non_dir).is_err());
|
|
assert_resolve(
|
|
import_map.resolve("moment", js_in_dir),
|
|
"https://example.com/triggered-by-any-subpath/moment",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("moment/foo", js_in_dir),
|
|
"https://example.com/triggered-by-any-subpath/moment/foo",
|
|
);
|
|
assert!(import_map.resolve("moment", with_js_prefix).is_err());
|
|
assert!(import_map.resolve("moment/foo", with_js_prefix).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_scopes_package_like() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"moment": "/node_modules/moment/src/moment.js",
|
|
"moment/": "/node_modules/moment/src/",
|
|
"lodash-dot": "./node_modules/lodash-es/lodash.js",
|
|
"lodash-dot/": "./node_modules/lodash-es/",
|
|
"lodash-dotdot": "../node_modules/lodash-es/lodash.js",
|
|
"lodash-dotdot/": "../node_modules/lodash-es/"
|
|
},
|
|
"scopes": {
|
|
"/": {
|
|
"moment": "/node_modules_3/moment/src/moment.js",
|
|
"vue": "/node_modules_3/vue/dist/vue.runtime.esm.js"
|
|
},
|
|
"/js/": {
|
|
"lodash-dot": "./node_modules_2/lodash-es/lodash.js",
|
|
"lodash-dot/": "./node_modules_2/lodash-es/",
|
|
"lodash-dotdot": "../node_modules_2/lodash-es/lodash.js",
|
|
"lodash-dotdot/": "../node_modules_2/lodash-es/"
|
|
}
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
// Should match correctly when only a prefix match is in the map.
|
|
let js_in_dir = "https://example.com/js/app.mjs";
|
|
let top_level = "https://example.com/app.mjs";
|
|
|
|
// Should resolve scoped.
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dot", js_in_dir),
|
|
"https://example.com/app/node_modules_2/lodash-es/lodash.js",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dotdot", js_in_dir),
|
|
"https://example.com/node_modules_2/lodash-es/lodash.js",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dot/foo", js_in_dir),
|
|
"https://example.com/app/node_modules_2/lodash-es/foo",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dotdot/foo", js_in_dir),
|
|
"https://example.com/node_modules_2/lodash-es/foo",
|
|
);
|
|
|
|
// Should apply best scope match.
|
|
assert_resolve(
|
|
import_map.resolve("moment", top_level),
|
|
"https://example.com/node_modules_3/moment/src/moment.js",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("moment", js_in_dir),
|
|
"https://example.com/node_modules_3/moment/src/moment.js",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("vue", js_in_dir),
|
|
"https://example.com/node_modules_3/vue/dist/vue.runtime.esm.js",
|
|
);
|
|
|
|
// Should fallback to "imports".
|
|
assert_resolve(
|
|
import_map.resolve("moment/foo", top_level),
|
|
"https://example.com/node_modules/moment/src/foo",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("moment/foo", js_in_dir),
|
|
"https://example.com/node_modules/moment/src/foo",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dot", top_level),
|
|
"https://example.com/app/node_modules/lodash-es/lodash.js",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dotdot", top_level),
|
|
"https://example.com/node_modules/lodash-es/lodash.js",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dot/foo", top_level),
|
|
"https://example.com/app/node_modules/lodash-es/foo",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("lodash-dotdot/foo", top_level),
|
|
"https://example.com/node_modules/lodash-es/foo",
|
|
);
|
|
|
|
// Should still fail for package-like specifiers that are not declared.
|
|
assert!(import_map.resolve("underscore/", js_in_dir).is_err());
|
|
assert!(import_map.resolve("underscore/foo", js_in_dir).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_scopes_inheritance() {
|
|
// https://github.com/WICG/import-maps#scope-inheritance
|
|
let base_url = "https://example.com/app/main.ts";
|
|
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"a": "/a-1.mjs",
|
|
"b": "/b-1.mjs",
|
|
"c": "/c-1.mjs"
|
|
},
|
|
"scopes": {
|
|
"/scope2/": {
|
|
"a": "/a-2.mjs"
|
|
},
|
|
"/scope2/scope3/": {
|
|
"b": "/b-3.mjs"
|
|
}
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
let scope_1_url = "https://example.com/scope1/foo.mjs";
|
|
let scope_2_url = "https://example.com/scope2/foo.mjs";
|
|
let scope_3_url = "https://example.com/scope2/scope3/foo.mjs";
|
|
|
|
// Should fall back to "imports" when none match.
|
|
assert_resolve(
|
|
import_map.resolve("a", scope_1_url),
|
|
"https://example.com/a-1.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("b", scope_1_url),
|
|
"https://example.com/b-1.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("c", scope_1_url),
|
|
"https://example.com/c-1.mjs",
|
|
);
|
|
|
|
// Should use a direct scope override.
|
|
assert_resolve(
|
|
import_map.resolve("a", scope_2_url),
|
|
"https://example.com/a-2.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("b", scope_2_url),
|
|
"https://example.com/b-1.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("c", scope_2_url),
|
|
"https://example.com/c-1.mjs",
|
|
);
|
|
|
|
// Should use an indirect scope override.
|
|
assert_resolve(
|
|
import_map.resolve("a", scope_3_url),
|
|
"https://example.com/a-2.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("b", scope_3_url),
|
|
"https://example.com/b-3.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("c", scope_3_url),
|
|
"https://example.com/c-1.mjs",
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_scopes_relative_url_keys() {
|
|
// https://github.com/WICG/import-maps#scope-inheritance
|
|
let base_url = "https://example.com/app/main.ts";
|
|
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"a": "/a-1.mjs",
|
|
"b": "/b-1.mjs",
|
|
"c": "/c-1.mjs"
|
|
},
|
|
"scopes": {
|
|
"": {
|
|
"a": "/a-empty-string.mjs"
|
|
},
|
|
"./": {
|
|
"b": "/b-dot-slash.mjs"
|
|
},
|
|
"../": {
|
|
"c": "/c-dot-dot-slash.mjs"
|
|
}
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
let in_same_dir_as_map = "https://example.com/app/foo.mjs";
|
|
let in_dir_above_map = "https://example.com/foo.mjs";
|
|
|
|
// Should resolve an empty string scope using the import map URL.
|
|
assert_resolve(
|
|
import_map.resolve("a", base_url),
|
|
"https://example.com/a-empty-string.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("a", in_same_dir_as_map),
|
|
"https://example.com/a-1.mjs",
|
|
);
|
|
|
|
// Should resolve a ./ scope using the import map URL's directory.
|
|
assert_resolve(
|
|
import_map.resolve("b", base_url),
|
|
"https://example.com/b-dot-slash.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("b", in_same_dir_as_map),
|
|
"https://example.com/b-dot-slash.mjs",
|
|
);
|
|
|
|
// Should resolve a ../ scope using the import map URL's directory.
|
|
assert_resolve(
|
|
import_map.resolve("c", base_url),
|
|
"https://example.com/c-dot-dot-slash.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("c", in_same_dir_as_map),
|
|
"https://example.com/c-dot-dot-slash.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("c", in_dir_above_map),
|
|
"https://example.com/c-dot-dot-slash.mjs",
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn cant_resolve_to_built_in() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
|
|
let import_map = ImportMap::from_json(base_url, "{}").unwrap();
|
|
|
|
assert!(import_map.resolve("std:blank", base_url).is_err());
|
|
}
|
|
|
|
#[test]
|
|
fn resolve_builtins_remap() {
|
|
let base_url = "https://example.com/app/main.ts";
|
|
|
|
let json_map = r#"{
|
|
"imports": {
|
|
"std:blank": "./blank.mjs",
|
|
"std:none": "./none.mjs"
|
|
}
|
|
}"#;
|
|
let import_map = ImportMap::from_json(base_url, json_map).unwrap();
|
|
|
|
assert_resolve(
|
|
import_map.resolve("std:blank", base_url),
|
|
"https://example.com/app/blank.mjs",
|
|
);
|
|
assert_resolve(
|
|
import_map.resolve("std:none", base_url),
|
|
"https://example.com/app/none.mjs",
|
|
);
|
|
}
|
|
}
|