state: use jsresult

1 files changed, 4 insertions, 3 deletions

diff --git a/src/state.rs b/src/state.rs
index 3b5e235..61e82c9 100644
--- a/src/state.rs
+++ b/src/state.rs
@@ -4,6 +4,7 @@ use log::debug;
 use wasm_bindgen::prelude::*;
 use web_sys::{CanvasRenderingContext2d, HtmlCanvasElement, HtmlElement};
 
+use crate::JSResult;
 use crate::line::Line;
 use crate::point::Point;
 
@@ -24,7 +25,7 @@ pub struct State {
 }
 
 impl State {
-    pub fn new(canvas: HtmlCanvasElement, fps: HtmlElement) -> Result<Self, JsValue> {
+    pub fn new(canvas: HtmlCanvasElement, fps: HtmlElement) -> JSResult<Self> {
         debug!("State::new()");
         let ctx: CanvasRenderingContext2d = canvas
             .get_context("2d")?
@@ -46,7 +47,7 @@ impl State {
         })
     }
 
-    pub fn render_frame(&mut self, t: f64) -> Result<(), JsValue> {
+    pub fn render_frame(&mut self, t: f64) -> JSResult<()> {
         if let Some(last_time) = self.last_time {
             if t > last_time {
                 let ic: f64 = self.inter_count.into();
@@ -99,7 +100,7 @@ impl State {
         Ok(())
     }
 
-    fn render_points(&self) -> Result<(), JsValue> {
+    fn render_points(&self) -> JSResult<()> {
         for p in &self.points {
             self.ctx.set_fill_style_str(&p.color);
             self.ctx.begin_path();