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Type the media middleware

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This commit is contained in:
Jordan Eldredge 2018-09-17 08:32:52 -07:00
parent 204f4a4be3
commit 33abe4af8e
1 changed files with 10 additions and 4 deletions
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14
js/mediaMiddleware.js → js/mediaMiddleware.ts
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@ -1,3 +1,4 @@
import Media from "./media";
import {
IS_PLAYING,
IS_STOPPED,
@ -20,8 +21,9 @@ import {
} from "./actionTypes";
import { next as nextTrack } from "./actionCreators";
import { getCurrentTrackId } from "./selectors";
import { MiddlewareStore, Dispatchable, Action, Dispatch } from "./types";
export default media => store => {
export default (media: Media) => (store: MiddlewareStore) => {
const {
media: { volume, balance }
} = store.getState();
@ -56,13 +58,17 @@ export default media => store => {
});
media.on("fileLoaded", () => {
const id = getCurrentTrackId(store.getState());
if (id == null) {
throw new Error("WAT");
}
store.dispatch({
id,
type: SET_MEDIA,
kbps: "128",
khz: Math.round(media.sampleRate() / 1000).toString(),
channels: media.channels(),
length: media.duration(),
id: getCurrentTrackId(store.getState())
length: media.duration()
});
});
@ -73,7 +79,7 @@ export default media => store => {
});
});
return next => action => {
return (next: Dispatch) => (action: Action) => {
// TODO: Consider doing this after the action, and using the state as the source of truth.
switch (action.type) {
case PLAY: