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Direktori : /var/www/html/node_modules/next/dist/server/ |
Current File : /var/www/html/node_modules/next/dist/server/accept-header.js |
"use strict"; Object.defineProperty(exports, "__esModule", { value: true }); exports.acceptLanguage = acceptLanguage; function parse(raw, preferences, options) { const lowers = new Map(); const header = raw.replace(/[ \t]/g, ""); if (preferences) { let pos = 0; for (const preference of preferences){ const lower = preference.toLowerCase(); lowers.set(lower, { orig: preference, pos: pos++ }); if (options.prefixMatch) { const parts = lower.split("-"); while(parts.pop(), parts.length > 0){ const joined = parts.join("-"); if (!lowers.has(joined)) { lowers.set(joined, { orig: preference, pos: pos++ }); } } } } } const parts = header.split(","); const selections = []; const map = new Set(); for(let i = 0; i < parts.length; ++i){ const part = parts[i]; if (!part) { continue; } const params = part.split(";"); if (params.length > 2) { throw new Error(`Invalid ${options.type} header`); } let token = params[0].toLowerCase(); if (!token) { throw new Error(`Invalid ${options.type} header`); } const selection = { token, pos: i, q: 1 }; if (preferences && lowers.has(token)) { selection.pref = lowers.get(token).pos; } map.add(selection.token); if (params.length === 2) { const q = params[1]; const [key, value] = q.split("="); if (!value || key !== "q" && key !== "Q") { throw new Error(`Invalid ${options.type} header`); } const score = parseFloat(value); if (score === 0) { continue; } if (Number.isFinite(score) && score <= 1 && score >= 0.001) { selection.q = score; } } selections.push(selection); } selections.sort((a, b)=>{ if (b.q !== a.q) { return b.q - a.q; } if (b.pref !== a.pref) { if (a.pref === undefined) { return 1; } if (b.pref === undefined) { return -1; } return a.pref - b.pref; } return a.pos - b.pos; }); const values = selections.map((selection)=>selection.token); if (!preferences || !preferences.length) { return values; } const preferred = []; for (const selection1 of values){ if (selection1 === "*") { for (const [preference, value] of lowers){ if (!map.has(preference)) { preferred.push(value.orig); } } } else { const lower = selection1.toLowerCase(); if (lowers.has(lower)) { preferred.push(lowers.get(lower).orig); } } } return preferred; } function acceptLanguage(header = "", preferences) { return parse(header, preferences, { type: "accept-language", prefixMatch: true })[0] || ""; } //# sourceMappingURL=accept-header.js.map