vault-link/backend/sync_lib/src/cursor.rs

88 lines
2.3 KiB
Rust

use wasm_bindgen::prelude::*;
/// Wrapper type to expose `TextWithCursors` to JS.
#[wasm_bindgen]
#[derive(Debug, Clone, PartialEq)]
pub struct TextWithCursors {
text: String,
cursors: Vec<CursorPosition>,
}
#[wasm_bindgen]
impl TextWithCursors {
#[wasm_bindgen(constructor)]
#[must_use]
pub fn new(text: String, cursors: Vec<CursorPosition>) -> Self { Self { text, cursors } }
#[must_use]
pub fn text(&self) -> String { self.text.clone() }
#[must_use]
pub fn cursors(&self) -> Vec<CursorPosition> { self.cursors.clone() }
}
impl From<TextWithCursors> for reconcile::TextWithCursors<'_> {
fn from(owned: TextWithCursors) -> Self {
reconcile::TextWithCursors::new_owned(
owned.text.to_string(),
owned
.cursors
.into_iter()
.map(std::convert::Into::into)
.collect(),
)
}
}
impl From<reconcile::TextWithCursors<'_>> for TextWithCursors {
fn from(text_with_cursors: reconcile::TextWithCursors<'_>) -> Self {
TextWithCursors {
text: text_with_cursors.text.into_owned(),
cursors: text_with_cursors
.cursors
.into_iter()
.map(std::convert::Into::into)
.collect(),
}
}
}
/// Wrapper type to expose `CursorPosition` to JS.
#[wasm_bindgen]
#[derive(Debug, Clone, PartialEq)]
pub struct CursorPosition {
id: usize,
char_index: usize,
}
#[wasm_bindgen]
impl CursorPosition {
#[wasm_bindgen(constructor)]
#[must_use]
pub fn new(id: usize, char_index: usize) -> Self { Self { id, char_index } }
#[must_use]
pub fn id(&self) -> usize { self.id }
#[wasm_bindgen(js_name = characterPosition)]
#[must_use]
pub fn char_index(&self) -> usize { self.char_index }
}
impl From<CursorPosition> for reconcile::CursorPosition {
fn from(owned: CursorPosition) -> Self {
reconcile::CursorPosition {
id: owned.id,
char_index: owned.char_index,
}
}
}
impl From<reconcile::CursorPosition> for CursorPosition {
fn from(cursor: reconcile::CursorPosition) -> Self {
CursorPosition {
id: cursor.id,
char_index: cursor.char_index,
}
}
}