@nx.js/http/dist/headers.js

HTTP server for nx.js

import { concat, indexOfEol, decoder } from './util';
export async function readHeaders(unshiftable) {
    let leftover = null;
    const reader = unshiftable.readable.getReader();
    const lines = [];
    while (true) {
        unshiftable.resume();
        const next = await reader.read();
        unshiftable.pause();
        if (next.done)
            return lines;
        const chunk = leftover
            ? concat(leftover, next.value)
            : next.value;
        let pos = 0;
        while (true) {
            const eol = indexOfEol(chunk, pos);
            if (eol === -1) {
                leftover = chunk.slice(pos);
                break;
            }
            const line = decoder.decode(chunk.slice(pos, eol));
            pos = eol + 2;
            if (line) {
                lines.push(line);
            }
            else {
                // end of headers
                unshiftable.unshift(chunk.slice(pos));
                reader.releaseLock();
                return lines;
            }
        }
    }
}
export function toHeaders(input) {
    const headers = new Headers();
    for (const line of input) {
        const col = line.indexOf(':');
        const name = line.slice(0, col);
        const value = line.slice(col + 1).trim();
        headers.set(name, value);
    }
    return headers;
}
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