42 lines
1.5 KiB
JavaScript
42 lines
1.5 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.URL = exports.DNS = exports.stringToBytes = void 0;
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const parse_js_1 = require("./parse.js");
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const stringify_js_1 = require("./stringify.js");
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function stringToBytes(str) {
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str = unescape(encodeURIComponent(str));
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const bytes = new Uint8Array(str.length);
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for (let i = 0; i < str.length; ++i) {
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bytes[i] = str.charCodeAt(i);
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}
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return bytes;
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}
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exports.stringToBytes = stringToBytes;
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exports.DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
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exports.URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
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function v35(version, hash, value, namespace, buf, offset) {
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const valueBytes = typeof value === 'string' ? stringToBytes(value) : value;
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const namespaceBytes = typeof namespace === 'string' ? (0, parse_js_1.default)(namespace) : namespace;
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if (typeof namespace === 'string') {
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namespace = (0, parse_js_1.default)(namespace);
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}
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if (namespace?.length !== 16) {
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throw TypeError('Namespace must be array-like (16 iterable integer values, 0-255)');
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}
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let bytes = new Uint8Array(16 + valueBytes.length);
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bytes.set(namespaceBytes);
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bytes.set(valueBytes, namespaceBytes.length);
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bytes = hash(bytes);
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bytes[6] = (bytes[6] & 0x0f) | version;
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bytes[8] = (bytes[8] & 0x3f) | 0x80;
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if (buf) {
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offset = offset || 0;
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for (let i = 0; i < 16; ++i) {
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buf[offset + i] = bytes[i];
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}
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return buf;
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}
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return (0, stringify_js_1.unsafeStringify)(bytes);
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}
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exports.default = v35;
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