koa-accepts/dist/index.js

Adjust content type based on accepts header

"use strict";
var _this = this;
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var lodash_1 = require("lodash");
var Negotiator = require("negotiator");
tslib_1.__exportStar(require("./utils"), exports);
var constants_1 = require("./constants");
var utils_1 = require("./utils");
exports.default = function () { return function (ctx, next) { return tslib_1.__awaiter(_this, void 0, void 0, function () {
    var negotiator, mediaType;
    return tslib_1.__generator(this, function (_a) {
        switch (_a.label) {
            case 0: return [4 /*yield*/, next()];
            case 1:
                _a.sent();
                if (ctx.body instanceof Buffer || typeof ctx.body !== 'object')
                    return [2 /*return*/];
                negotiator = new Negotiator(ctx);
                mediaType = lodash_1.intersection(negotiator.mediaTypes(), Object.keys(constants_1.AVAILABLE_TYPES))[0];
                if (mediaType !== undefined) {
                    ctx.type = mediaType;
                    ctx.body = constants_1.AVAILABLE_TYPES[mediaType](utils_1.clean(ctx.body));
                }
                return [2 /*return*/];
        }
    });
}); }; };
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