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Refactor: prefer smol trie

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SukkaW
2024-09-23 16:45:58 +08:00
parent 3ca9122a84
commit a8c53617b1
6 changed files with 10 additions and 31 deletions
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15
Build/lib/trie.ts
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@@ -4,8 +4,7 @@
import { fastStringArrayJoin } from './misc';
import util from 'node:util';
const noop = () => { /** noop */ };
import { noop } from 'foxact/noop';
type TrieNode<Meta = any> = [
boolean, /** sentinel */
@@ -121,10 +120,8 @@ export const createTrie = <Meta = any>(from?: string[] | Set<string> | null, smo
if (suffix[0] === '.') {
// Trying to add `[start].sub.example.com` where there is already a `[start]blog.sub.example.com` in the trie
const parent = node[1]!;
// Make sure parent `[start]sub.example.com` (without dot) is removed (SETINEL to false)
parent[0] = false;
(/** parent */ node[1]!)[0] = false;
// Removing the rest of the parent's child nodes
node[2].clear();
@@ -308,9 +305,9 @@ export const createTrie = <Meta = any>(from?: string[] | Set<string> | null, smo
inputSuffix: string,
/** @default true */ includeEqualWithSuffix = true
): string[] => {
if (smolTree) {
throw new Error('A Trie with smolTree enabled cannot perform find!');
}
// if (smolTree) {
// throw new Error('A Trie with smolTree enabled cannot perform find!');
// }
const inputTokens = hostnameToTokens(inputSuffix);
const res = walkIntoLeafWithTokens(inputTokens);
@@ -419,7 +416,7 @@ export const createTrie = <Meta = any>(from?: string[] | Set<string> | null, smo
if (tokens[0] === '.') {
// If there is a `[start]sub.example.com` here, remove it
parent[0] = false;
// Removing all the child nodes by disconnecting "."
// Removing all the child nodes by disconnecting ".", which removes "blog.sub.example.com"
parent[2].delete('.');
}