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refactor: extract imeta directly in text parser

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This commit is contained in:
Kieran
2024-01-08 11:14:35 +00:00
parent 29ca482511
commit a54924f339
5 changed files with 77 additions and 44 deletions
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32
packages/system/src/utils.ts
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@ -51,38 +51,6 @@ export function splitByUrl(str: string) {
return str.split(urlRegex);
}
export function parseIMeta(tags: Array<Array<string>>) {
let ret: Record<string, IMeta> | undefined;
const imetaTags = tags.filter(a => a[0] === "imeta");
for (const imetaTag of imetaTags) {
ret ??= {};
let imeta: IMeta = {};
let url = "";
for (const t of imetaTag.slice(1)) {
const [k, v] = t.split(" ");
if (k === "url") {
url = v;
}
if (k === "dim") {
const [w, h] = v.split("x");
imeta.height = Number(h);
imeta.width = Number(w);
}
if (k === "blurhash") {
imeta.blurHash = v;
}
if (k === "x") {
imeta.sha256 = v;
}
if (k === "alt") {
imeta.alt = v;
}
}
ret[url] = imeta;
}
return ret;
}
export function getHex64(json: string, field: string): string {
let len = field.length + 3;
let idx = json.indexOf(`"${field}":`) + len;