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get rid of the slow implementation of plaintext stuff

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since i have this project in version control now there's not really any
reason to keep large block comments of defunct code around
This commit is contained in:
Charlotte Som 2025-03-06 11:23:32 +00:00
parent 90ab38c989
commit 0002803135
1 changed files with 0 additions and 51 deletions
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51
sync/ordt/plain-text.ts
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@ -106,55 +106,4 @@ export class PlainTextORDT extends CausalTree<PlainTextOperation> {
}
return [s, metadata] as const;
}
/* very slow, uncached:
findOpAtTextIndex(textIndex: number): number {
const [_string, metadata] = this.render();
for (const meta of metadata) {
if (meta.start < textIndex && textIndex <= meta.end)
return this.operations.findIndex(it => it === meta.op);
}
return -1;
}
render() {
const s: string[] = [];
const metadata = [];
let length = 0;
for (const op of this.operations) {
if (op.type === "insert") {
s.push(op.sequence);
metadata.push({
op,
start: length,
end: length + op.sequence.length,
});
length += op.sequence.length;
}
if (op.type === "delete") {
if (!op.parent) continue;
if (op.parent.type !== "insert") continue;
const len = op.parent.sequence.length;
length -= len;
// since we expect to be tacked on close to the referenced op,
// we can quickly seek back from current position
// (it should only take a few iterations - usually 1)
for (let idx = metadata.length - 1; idx >= 0; idx--) {
const m = metadata[idx];
m.start -= len;
m.end -= len;
if (m.op === op.parent) {
s.splice(idx, 1);
metadata.splice(idx, 1);
break;
}
}
}
}
return [s.join(""), metadata] as const;
} */
}