mirror/strudel
1
0
Fork 0
mirror of https://codeberg.org/uzu/strudel synced 2026-07-13 06:19:33 -04:00
Code Issues Packages Projects Releases Wiki Activity

Roll up save/load state into MIDI wrapper

Browse Source
This commit is contained in:
Nick Matantsev
2025-12-25 18:32:53 -05:00
parent 84e59645fd
commit 213edfb211
1 changed files with 27 additions and 40 deletions
Download Patch File Download Diff File Expand all files Collapse all files
packages/midi/midi.mjs
+27 -40
View File
@@ -477,43 +477,6 @@ Pattern.prototype.midi = function (midiport, options = {}) {
});
};
/**
*
* @param {string} input
* @param {number|undefined} chan
* @returns {Object}
*/
function getMidinState(input, chan) {
const initialDataRaw = localStorage.getItem(`strudel-midin-${input}-chan${chan !== undefined ? chan : 'all'}`);
if (!initialDataRaw) {
return {};
}
try {
return JSON.parse(initialDataRaw);
} catch (err) {
console.warn(
`Failed to parse MIDI state from localStorage for input "${input}" and channel "${chan}"`,
initialDataRaw,
err,
);
return {};
}
}
/**
*
* @param {string} input
* @param {number|undefined} chan
* @param {number} cc
* @param {number} value
*/
function saveMidinState(input, chan, cc, value) {
const state = getMidinState(input, chan);
state[cc] = value;
localStorage.setItem(`strudel-midin-${input}-chan${chan !== undefined ? chan : 'all'}`, JSON.stringify(state));
}
class MidiInput {
/**
*
@@ -528,7 +491,7 @@ class MidiInput {
this._refsByChan = {};
this.cc = (cc, chan) => {
const initialState = getMidinState(this.name, chan);
const initialState = this._loadState(chan);
const initialValue = initialState[cc] || 0;
if (chan !== undefined) {
@@ -551,8 +514,32 @@ class MidiInput {
this._refsByChan[ccNum] ??= {};
this._refsByChan[ccNum][chan] = scaled;
saveMidinState(this.name, undefined, ccNum, scaled);
saveMidinState(this.name, chan, ccNum, scaled);
this._saveState(undefined, ccNum, scaled);
this._saveState(chan, ccNum, scaled);
}
_loadState(chan) {
const initialDataRaw = localStorage.getItem(`strudel-midin-${this.name}-chan${chan !== undefined ? chan : 'all'}`);
if (!initialDataRaw) {
return {};
}
try {
return JSON.parse(initialDataRaw);
} catch (err) {
console.warn(
`Failed to parse MIDI state from localStorage for input "${this.name}" and channel "${chan}"`,
initialDataRaw,
err,
);
return {};
}
}
_saveState(chan, cc, value) {
const state = this._loadState(chan);
state[cc] = value;
localStorage.setItem(`strudel-midin-${this.name}-chan${chan !== undefined ? chan : 'all'}`, JSON.stringify(state));
}
}