refactor(js): remove double wrap (#1138)

js-rattler/crate/lib.rs

@@ -1,12 +1,12 @@
 mod error;
 mod gateway;
+mod parse_strictness;
 pub mod solve;
 mod utils;
 mod version;
 mod version_spec;
 
 pub use error::{JsError, JsResult};
-use rattler_conda_types::ParseStrictness;
 
 use wasm_bindgen::prelude::*;
 
@@ -21,29 +21,3 @@ static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
 pub fn start() {
     utils::set_panic_hook();
 }
-
-/// Defines how strict a parser should be when parsing an object from a string.
-/// @public
-#[wasm_bindgen(js_name=ParseStrictness)]
-pub enum JsParseStrictness {
-    Strict,
-    Lenient,
-}
-
-impl From<ParseStrictness> for JsParseStrictness {
-    fn from(value: ParseStrictness) -> Self {
-        match value {
-            ParseStrictness::Strict => JsParseStrictness::Strict,
-            ParseStrictness::Lenient => JsParseStrictness::Lenient,
-        }
-    }
-}
-
-impl From<JsParseStrictness> for ParseStrictness {
-    fn from(value: JsParseStrictness) -> Self {
-        match value {
-            JsParseStrictness::Strict => ParseStrictness::Strict,
-            JsParseStrictness::Lenient => ParseStrictness::Lenient,
-        }
-    }
-}

js-rattler/crate/parse_strictness.rs

@@ -0,0 +1,37 @@
+use rattler_conda_types::ParseStrictness;
+use serde::Deserialize;
+use wasm_bindgen::prelude::wasm_bindgen;
+
+#[wasm_bindgen(typescript_custom_section)]
+const PARSE_STRICTNESS_TS: &'static str = r#"
+/**
+ * Defines how strict a parser should be when parsing an object from a string.
+ *
+ * @public
+ */
+export type ParseStrictness = "strict" | "lenient";
+"#;
+
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(js_name = "ParseStrictness", typescript_type = "ParseStrictness")]
+    pub type JsParseStrictness;
+}
+
+impl TryFrom<JsParseStrictness> for ParseStrictness {
+    type Error = serde_wasm_bindgen::Error;
+
+    fn try_from(value: JsParseStrictness) -> Result<Self, Self::Error> {
+        #[derive(Deserialize)]
+        #[serde(rename_all = "camelCase")]
+        pub enum EnumNames {
+            Strict,
+            Lenient,
+        }
+
+        match serde_wasm_bindgen::from_value(value.obj)? {
+            EnumNames::Strict => Ok(ParseStrictness::Strict),
+            EnumNames::Lenient => Ok(ParseStrictness::Lenient),
+        }
+    }
+}

js-rattler/crate/version.rs

@@ -1,9 +1,20 @@
-use crate::JsResult;
 use rattler_conda_types::{Version, VersionBumpType};
 use std::{cmp::Ordering, str::FromStr};
 use wasm_bindgen::prelude::wasm_bindgen;
+use wasm_bindgen::JsValue;
+
+use crate::JsResult;
 
-#[wasm_bindgen]
+/// This class implements an order relation between version strings. Version
+/// strings can contain the usual alphanumeric characters (A-Za-z0-9), separated
+/// into segments by dots and underscores. Empty segments (i.e. two consecutive
+/// dots, a leading/trailing underscore) are not permitted. An optional epoch
+/// number - an integer followed by '!' - can precede the actual version string
+/// (this is useful to indicate a change in the versioning scheme itself).
+/// Version comparison is case-insensitive.
+///
+/// @public
+#[wasm_bindgen(js_name = "Version")]
 #[repr(transparent)]
 #[derive(Eq, PartialEq)]
 pub struct JsVersion {
@@ -28,110 +39,198 @@ impl AsRef<Version> for JsVersion {
     }
 }
 
-#[wasm_bindgen]
-pub struct MajorMinor(pub usize, pub usize);
-
-#[wasm_bindgen]
+#[wasm_bindgen(js_class = "Version")]
 impl JsVersion {
+    /// Constructs a new Version object from a string representation.
     #[wasm_bindgen(constructor)]
-    pub fn new(version: &str) -> JsResult<Self> {
+    pub fn new(
+        #[wasm_bindgen(param_description = "The string representation of the version.")]
+        version: &str,
+    ) -> JsResult<Self> {
         let version = Version::from_str(version)?;
         Ok(version.into())
     }
 
+    /// Returns the string representation of the version.
+    ///
+    /// An attempt is made to return the version in the same format as the input
+    /// string but this is not guaranteed.
+    #[wasm_bindgen(js_name = "toString")]
     pub fn as_str(&self) -> String {
         format!("{}", self.as_ref())
     }
 
+    /// The epoch part of the version. E.g. `1` in `1!2.3`.
     #[wasm_bindgen(getter)]
     pub fn epoch(&self) -> Option<usize> {
         self.as_ref().epoch_opt().map(|v| v as usize)
     }
 
-    #[wasm_bindgen(getter)]
+    /// `true` if the version has a local part. E.g. `2.3` in `1+2.3`.
+    #[wasm_bindgen(getter, js_name = "hasLocal")]
     pub fn has_local(&self) -> bool {
         self.as_ref().has_local()
     }
 
-    #[wasm_bindgen(getter)]
+    /// `true` if the version is considered a development version.
+    ///
+    /// A development version is a version that contains the string `dev` in the
+    /// version string.
+    #[wasm_bindgen(getter, js_name = "isDev")]
     pub fn is_dev(&self) -> bool {
         self.as_ref().is_dev()
     }
 
-    pub fn as_major_minor(&self) -> Option<MajorMinor> {
+    /// Returns the major and minor part of the version if the version does not
+    /// represent a typical major minor version. If any of the parts are not a
+    /// single number, undefined is returned.
+    // TODO: Simplify when https://github.com/rustwasm/wasm-bindgen/issues/122 is fixed
+    #[wasm_bindgen(
+        js_name = "asMajorMinor",
+        unchecked_return_type = "[number, number] | undefined"
+    )]
+    pub fn as_major_minor(&self) -> Option<Vec<JsValue>> {
         let (major, minor) = self.as_ref().as_major_minor()?;
-        Some(MajorMinor(major as _, minor as _))
-    }
-
-    pub fn starts_with(&self, other: &Self) -> bool {
+        Some(vec![
+            JsValue::from(major as usize),
+            JsValue::from(minor as usize),
+        ])
+    }
+
+    /// Returns true if this version starts with the other version. This is
+    /// defined as the other version being a prefix of this version.
+    #[wasm_bindgen(js_name = "startsWith")]
+    pub fn starts_with(
+        &self,
+        #[wasm_bindgen(param_description = "The version to use for the comparison")] other: &Self,
+    ) -> bool {
         self.as_ref().starts_with(other.as_ref())
     }
 
-    pub fn compatible_with(&self, other: &Self) -> bool {
+    /// Returns true if this version is compatible with the other version.
+    #[wasm_bindgen(js_name = "compatibleWith")]
+    pub fn compatible_with(
+        &self,
+        #[wasm_bindgen(param_description = "The version to use for the comparison")] other: &Self,
+    ) -> bool {
         self.as_ref().compatible_with(other.as_ref())
     }
 
-    pub fn pop_segments(&self, n: usize) -> Option<Self> {
+    /// Pop the last `n` segments from the version.
+    #[wasm_bindgen(js_name = "popSegments")]
+    pub fn pop_segments(
+        &self,
+        #[wasm_bindgen(param_description = "The number of segments to pop")] n: usize,
+    ) -> Option<Self> {
         Some(self.as_ref().pop_segments(n)?.into())
     }
 
-    pub fn extend_to_length(&self, length: usize) -> JsResult<Self> {
+    /// Extend the version to the given length by adding zeros. If the version
+    /// is already at the specified length or longer the original version
+    /// will be returned.
+    #[wasm_bindgen(js_name = "extendToLength")]
+    pub fn extend_to_length(
+        &self,
+        #[wasm_bindgen(param_description = "The length to extend to")] length: usize,
+    ) -> JsResult<Self> {
         Ok(self.as_ref().extend_to_length(length)?.into_owned().into())
     }
 
-    pub fn with_segments(&self, start: usize, stop: usize) -> Option<Self> {
-        let range = start..stop;
+    /// Returns a new version with the segments from start to end (exclusive).
+    ///
+    /// Returns undefined if the start or end index is out of bounds.
+    #[wasm_bindgen(js_name = "withSegments")]
+    pub fn with_segments(
+        &self,
+        #[wasm_bindgen(param_description = "The start index")] start: usize,
+        #[wasm_bindgen(param_description = "The end index")] end: usize,
+    ) -> Option<Self> {
+        let range = start..end;
         Some(self.as_ref().with_segments(range)?.into())
     }
 
+    /// The number of segments in the version.
     #[wasm_bindgen(getter)]
     pub fn length(&self) -> usize {
         self.as_ref().segment_count()
     }
 
-    /// Create a new version with local segment stripped.
+    /// Returns the version without the local part. E.g. `1+2.3` becomes `1`.
+    #[wasm_bindgen(js_name = "stripLocal")]
     pub fn strip_local(&self) -> Self {
         self.as_ref().strip_local().into_owned().into()
     }
 
-    /// Returns a new version where the major segment of this version has been bumped.
+    /// Returns a new version where the major segment of this version has been
+    /// bumped.
+    #[wasm_bindgen(js_name = "bumpMajor")]
     pub fn bump_major(&self) -> JsResult<Self> {
         Ok(self.as_ref().bump(VersionBumpType::Major).map(Into::into)?)
     }
 
-    /// Returns a new version where the minor segment of this version has been bumped.
+    /// Returns a new version where the minor segment of this version has been
+    /// bumped.
+    #[wasm_bindgen(js_name = "bumpMinor")]
     pub fn bump_minor(&self) -> JsResult<Self> {
         Ok(self.as_ref().bump(VersionBumpType::Minor).map(Into::into)?)
     }
 
-    /// Returns a new version where the patch segment of this version has been bumped.
+    /// Returns a new version where the patch segment of this version has been
+    /// bumped.
+    #[wasm_bindgen(js_name = "bumpPatch")]
     pub fn bump_patch(&self) -> JsResult<Self> {
         Ok(self.as_ref().bump(VersionBumpType::Patch).map(Into::into)?)
     }
 
-    /// Returns a new version where the last segment of this version has been bumped.
+    /// Returns a new version where the last segment of this version has been
+    /// bumped.
+    #[wasm_bindgen(js_name = "bumpLast")]
     pub fn bump_last(&self) -> JsResult<Self> {
         Ok(self.as_ref().bump(VersionBumpType::Last).map(Into::into)?)
     }
 
-    /// Returns a new version where the given segment of this version has been bumped.
-    pub fn bump_segment(&self, index: i32) -> JsResult<Self> {
+    /// Returns a new version where the given segment of this version has been
+    /// bumped.
+    #[wasm_bindgen(js_name = "bumpSegment")]
+    pub fn bump_segment(
+        &self,
+        #[wasm_bindgen(param_description = "The index of the segment to bump")] index: i32,
+    ) -> JsResult<Self> {
         Ok(self
             .as_ref()
             .bump(VersionBumpType::Segment(index))
             .map(Into::into)?)
     }
 
-    /// Returns a new version where the last segment is an "alpha" segment (ie. `.0a0`)
+    /// Returns a new version where the last segment is an "alpha" segment (ie.
+    /// `.0a0`)
+    #[wasm_bindgen(js_name = "withAlpha")]
     pub fn with_alpha(&self) -> Self {
         self.as_ref().with_alpha().into_owned().into()
     }
 
-    pub fn equals(&self, other: &Self) -> bool {
+    /// Compares this version with another version. Returns `true` if the
+    /// versions are considered equal.
+    ///
+    /// Note that two version strings can be considered equal even if they are
+    /// not exactly the same. For example, `1.0` and `1` are considered equal.
+    #[wasm_bindgen(js_name = "equals")]
+    pub fn equals(
+        &self,
+        #[wasm_bindgen(param_description = "The version to compare with")] other: &Self,
+    ) -> bool {
         self.as_ref() == other.as_ref()
     }
 
-    pub fn compare(&self, other: &Self) -> i8 {
+    /// Compare two versions.
+    ///
+    /// Returns `-1` if this instance should be ordered before `other`, `0` if
+    /// this version and `other` are considered equal, `1` if this version
+    /// should be ordered after `other`.
+    pub fn compare(
+        &self,
+        #[wasm_bindgen(param_description = "The version to compare with")] other: &Self,
+    ) -> i8 {
         match self.as_ref().cmp(other.as_ref()) {
             Ordering::Less => -1,
             Ordering::Equal => 0,

js-rattler/crate/version_spec.rs

@@ -1,9 +1,13 @@
-use crate::version::JsVersion;
-use crate::{JsParseStrictness, JsResult};
-use rattler_conda_types::VersionSpec;
+use rattler_conda_types::{ParseStrictness, VersionSpec};
 use wasm_bindgen::prelude::wasm_bindgen;
 
-#[wasm_bindgen]
+use crate::parse_strictness::JsParseStrictness;
+use crate::{version::JsVersion, JsResult};
+
+/// Represents a version specification in the conda ecosystem.
+///
+/// @public
+#[wasm_bindgen(js_name = "VersionSpec")]
 #[repr(transparent)]
 #[derive(Eq, PartialEq)]
 pub struct JsVersionSpec {
@@ -28,19 +32,36 @@ impl AsRef<VersionSpec> for JsVersionSpec {
     }
 }
 
-#[wasm_bindgen]
+#[wasm_bindgen(js_class = "VersionSpec")]
 impl JsVersionSpec {
+    /// Constructs a new VersionSpec object from a string representation.
     #[wasm_bindgen(constructor)]
-    pub fn new(version_spec: &str, parse_strictness: JsParseStrictness) -> JsResult<Self> {
-        let spec = VersionSpec::from_str(version_spec, parse_strictness.into())?;
+    pub fn new(
+        #[wasm_bindgen(param_description = "The string representation of the version spec.")]
+        version_spec: &str,
+        #[wasm_bindgen(param_description = "The strictness of the parser.")]
+        parse_strictness: Option<JsParseStrictness>,
+    ) -> JsResult<Self> {
+        let parse_strictness = parse_strictness
+            .map(TryFrom::try_from)
+            .transpose()?
+            .unwrap_or(ParseStrictness::Lenient);
+
+        let spec = VersionSpec::from_str(version_spec, parse_strictness)?;
         Ok(spec.into())
     }
 
+    /// Returns the string representation of the version spec.
+    #[wasm_bindgen(js_name = "toString")]
     pub fn as_str(&self) -> String {
         format!("{}", self.as_ref())
     }
 
-    pub fn matches(&self, version: &JsVersion) -> bool {
+    /// Returns true if the version matches this version spec.
+    pub fn matches(
+        &self,
+        #[wasm_bindgen(param_description = "The version to match")] version: &JsVersion,
+    ) -> bool {
         self.as_ref().matches(version.as_ref())
     }
 }