mirror of
https://github.com/pezkuwichain/pezkuwi-common.git
synced 2026-04-23 09:38:01 +00:00
chore: update to version 14.0.11 and align website URLs
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@@ -0,0 +1,61 @@
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import { u8aToU8a } from '@pezkuwi/util';
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/** @internal */
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export function createDecode({ coder, ipfs }, validate) {
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return (value, ipfsCompat) => {
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validate(value, ipfsCompat);
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return coder.decode(ipfs && ipfsCompat
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? value.substring(1)
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: value);
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};
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}
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/** @internal */
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export function createEncode({ coder, ipfs }) {
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return (value, ipfsCompat) => {
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const out = coder.encode(u8aToU8a(value));
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return ipfs && ipfsCompat
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? `${ipfs}${out}`
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: out;
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};
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}
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/** @internal */
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export function createIs(validate) {
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return (value, ipfsCompat) => {
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try {
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return validate(value, ipfsCompat);
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}
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catch {
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return false;
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}
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};
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}
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/** @internal */
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export function createValidate({ chars, ipfs, type, withPadding }) {
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return (value, ipfsCompat) => {
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if (typeof value !== 'string') {
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throw new Error(`Expected ${type} string input`);
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}
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else if (ipfs && ipfsCompat && !value.startsWith(ipfs)) {
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throw new Error(`Expected ipfs-compatible ${type} to start with '${ipfs}'`);
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}
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for (let i = (ipfsCompat ? 1 : 0), count = value.length; i < count; i++) {
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if (chars.includes(value[i])) {
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// all ok, character found
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}
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else if (withPadding && value[i] === '=') {
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if (i === count - 1) {
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// last character, everything ok
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}
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else if (value[i + 1] === '=') {
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// next one is also padding, sequence ok
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}
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else {
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throw new Error(`Invalid ${type} padding sequence "${value[i]}${value[i + 1]}" at index ${i}`);
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}
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}
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else {
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throw new Error(`Invalid ${type} character "${value[i]}" (0x${value.charCodeAt(i).toString(16)}) at index ${i}`);
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}
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}
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return true;
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};
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}
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