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Optimize console redraw by tracking widget changes

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Instead of redrawing the widget area every 2 seconds, only auto redraw when the widget area has changed, reducing unecessary redraw operations.
This commit is contained in:
Eric Lighthall 2024-04-19 00:48:36 -07:00
parent 4931ad3960
commit 4783e3eae4
1 changed files with 19 additions and 1 deletions
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18
packages/backend/src/services/DevConsoleService.js
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@ -24,6 +24,7 @@ class DevConsoleService extends BaseService {
this.static_lines = []; this.static_lines = [];
this.widgets = []; this.widgets = [];
this.identifiers = {}; this.identifiers = {};
this.has_updates = false;
} }
turn_on_the_warning_lights () { turn_on_the_warning_lights () {
@ -39,6 +40,7 @@ class DevConsoleService extends BaseService {
if ( opt_id ) { if ( opt_id ) {
this.identifiers[opt_id] = outputter; this.identifiers[opt_id] = outputter;
} }
this.mark_updated();
} }
remove_widget (id_or_outputter) { remove_widget (id_or_outputter) {
@ -46,9 +48,11 @@ class DevConsoleService extends BaseService {
id_or_outputter = this.identifiers[id_or_outputter]; id_or_outputter = this.identifiers[id_or_outputter];
} }
this.widgets = this.widgets.filter(w => w !== id_or_outputter); this.widgets = this.widgets.filter(w => w !== id_or_outputter);
this.mark_updated();
} }
update_ () { update_ () {
const initialOutput = [...this.static_lines];
this.static_lines = []; this.static_lines = [];
// if a widget throws an error we MUST remove it; // if a widget throws an error we MUST remove it;
// it's probably a stack overflow because it's printing. // it's probably a stack overflow because it's printing.
@ -64,11 +68,22 @@ class DevConsoleService extends BaseService {
output = Array.isArray(output) ? output : [output]; output = Array.isArray(output) ? output : [output];
this.static_lines.push(...output); this.static_lines.push(...output);
} }
if (!this.arrays_equal(initialOutput, this.static_lines)) {
this.mark_updated(); // Update only if outputs have changed
}
for ( const w of to_remove ) { for ( const w of to_remove ) {
this.remove_widget(w); this.remove_widget(w);
} }
} }
arrays_equal (a, b) {
return a.length === b.length && a.every((val, index) => val === b[index]);
}
mark_updated () {
this.has_updates = true;
}
async _init () { async _init () {
const services = this.services; const services = this.services;
// await services.ready; // await services.ready;
@ -146,7 +161,10 @@ class DevConsoleService extends BaseService {
}; };
setInterval(() => { setInterval(() => {
if (this.has_updates) {
this._redraw(); this._redraw();
this.has_updates = false;
}
}, 2000); }, 2000);
consoleLogManager.decorate_all(({ replace }, ...args) => { consoleLogManager.decorate_all(({ replace }, ...args) => {