mihawk/dist/cjs/src/middlewares/favicon.js

A tiny & simple mock server tool, support json,js,cjs,ts(typescript).

'use strict';
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
const fs_extra_1 = require("fs-extra");
const path_1 = require("../utils/path");
const is_1 = require("../utils/is");
const consts_1 = require("../consts");
const ICON_BASE64 = 'data:image/x-icon;base64,8J+YgQ==';
const ICON_MIME = 'image/x-icon';
function favicon(faviconPath, options) {
    faviconPath = (0, path_1.absifyPath)(faviconPath);
    const isExisted = (0, fs_extra_1.existsSync)(faviconPath);
    const iconFile = isExisted ? (0, fs_extra_1.readFileSync)(faviconPath) : ICON_BASE64;
    let { maxAge, mime } = options || {};
    maxAge = (0, is_1.isNil)(maxAge) ? 86400000 : Math.min(Math.max(0, maxAge), 31556926000);
    mime = isExisted ? mime : ICON_MIME;
    const cacheControl = `public, max-age=${(maxAge / 1000) | 0}`;
    return function (ctx, next) {
        return __awaiter(this, void 0, void 0, function* () {
            const { path, method } = ctx || {};
            if (['/favicon.ico', '/favicon.png', '/favicon.svg'].some(p => p === path)) {
                ctx.skipDefaultMock = true;
                if (!['GET', 'HEAD'].includes(method)) {
                    ctx.status = 'OPTIONS' == method ? 200 : 405;
                    ctx.set('Allow', 'GET, HEAD, OPTIONS');
                }
                else {
                    ctx.set('X-Powered-By', consts_1.PKG_NAME);
                    ctx.set('Cache-Control', cacheControl);
                    ctx.type = mime || ICON_MIME;
                    ctx.body = iconFile;
                }
            }
            else {
                return next();
            }
        });
    };
}
exports.default = favicon;