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refactor: move text encoder/decoder to util file

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This commit is contained in:
鲁树人
2023-06-17 14:28:36 +01:00
parent 761b2a4df0
commit 2881f70f68
4 changed files with 18 additions and 9 deletions
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5
src/util/MMKVParser.ts
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@@ -1,8 +1,7 @@
import type { StagingKWMv2Key } from '~/features/settings/keyFormats';
import { bytesToUTF8String } from '~/decrypt-worker/util/utf8Encoder';
import { formatHex } from './formatHex';
const textDecoder = new TextDecoder('utf-8', { ignoreBOM: true });
export class MMKVParser {
private offset = 4;
private length: number;
@@ -67,7 +66,7 @@ export class MMKVParser {
// ]
const strByteLen = this.readInt();
const data = this.readBytes(strByteLen);
return textDecoder.decode(data).normalize();
return bytesToUTF8String(data).normalize();
}
public readVariantString() {

8
src/util/levenshtein.ts
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@@ -1,6 +1,6 @@
const textEncoder = new TextEncoder();
// translation of pseudocode from Wikipedia:
import { stringToUTF8Bytes } from '~/decrypt-worker/util/utf8Encoder';
// https://en.wikipedia.org/wiki/Levenshtein_distance#Iterative_with_two_matrix_rows
export function levenshtein(str1: string, str2: string) {
if (str1 === str2) {
@@ -14,8 +14,8 @@ export function levenshtein(str1: string, str2: string) {
}
// Convert them to Uint8Array to avoid expensive string APIs.
const s = textEncoder.encode(str1.toLowerCase());
const t = textEncoder.encode(str2.toLowerCase());
const s = stringToUTF8Bytes(str1.normalize().toLowerCase());
const t = stringToUTF8Bytes(str2.normalize().toLowerCase());
const m = s.byteLength;
const n = t.byteLength;