d147843c76
- Introduced blog routing using Next.js App Router - Implemented dynamic [slug] pages for blog posts - Added MDX-based content loading via lib/posts - Integrated shared TopBar layout with navigation - Established clear content, lib and component separation
66 lines
1.5 KiB
TypeScript
66 lines
1.5 KiB
TypeScript
const bufLength = 1024 * 16;
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// Provide a fallback for older environments.
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const td =
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typeof TextDecoder !== 'undefined'
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? /* #__PURE__ */ new TextDecoder()
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: typeof Buffer !== 'undefined'
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? {
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decode(buf: Uint8Array): string {
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const out = Buffer.from(buf.buffer, buf.byteOffset, buf.byteLength);
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return out.toString();
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},
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}
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: {
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decode(buf: Uint8Array): string {
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let out = '';
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for (let i = 0; i < buf.length; i++) {
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out += String.fromCharCode(buf[i]);
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}
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return out;
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},
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};
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export class StringWriter {
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pos = 0;
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private out = '';
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private buffer = new Uint8Array(bufLength);
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write(v: number): void {
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const { buffer } = this;
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buffer[this.pos++] = v;
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if (this.pos === bufLength) {
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this.out += td.decode(buffer);
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this.pos = 0;
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}
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}
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flush(): string {
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const { buffer, out, pos } = this;
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return pos > 0 ? out + td.decode(buffer.subarray(0, pos)) : out;
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}
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}
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export class StringReader {
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pos = 0;
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declare private buffer: string;
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constructor(buffer: string) {
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this.buffer = buffer;
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}
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next(): number {
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return this.buffer.charCodeAt(this.pos++);
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}
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peek(): number {
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return this.buffer.charCodeAt(this.pos);
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}
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indexOf(char: string): number {
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const { buffer, pos } = this;
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const idx = buffer.indexOf(char, pos);
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return idx === -1 ? buffer.length : idx;
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}
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}
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