46 lines
1.2 KiB
JavaScript
46 lines
1.2 KiB
JavaScript
// fakejson.ts
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function getHex64(json, field) {
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let len = field.length + 3;
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let idx = json.indexOf(`"${field}":`) + len;
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let s = json.slice(idx).indexOf(`"`) + idx + 1;
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return json.slice(s, s + 64);
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}
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function getInt(json, field) {
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let len = field.length;
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let idx = json.indexOf(`"${field}":`) + len + 3;
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let sliced = json.slice(idx);
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let end = Math.min(sliced.indexOf(","), sliced.indexOf("}"));
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return parseInt(sliced.slice(0, end), 10);
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}
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function getSubscriptionId(json) {
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let idx = json.slice(0, 22).indexOf(`"EVENT"`);
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if (idx === -1)
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return null;
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let pstart = json.slice(idx + 7 + 1).indexOf(`"`);
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if (pstart === -1)
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return null;
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let start = idx + 7 + 1 + pstart;
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let pend = json.slice(start + 1, 80).indexOf(`"`);
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if (pend === -1)
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return null;
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let end = start + 1 + pend;
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return json.slice(start + 1, end);
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}
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function matchEventId(json, id) {
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return id === getHex64(json, "id");
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}
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function matchEventPubkey(json, pubkey) {
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return pubkey === getHex64(json, "pubkey");
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}
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function matchEventKind(json, kind) {
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return kind === getInt(json, "kind");
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}
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export {
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getHex64,
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getInt,
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getSubscriptionId,
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matchEventId,
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matchEventKind,
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matchEventPubkey
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};
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