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'use strict';
/**
* Module dependencies.
*/
function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function step(key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } } function _next(value) { step("next", value); } function _throw(err) { step("throw", err); } _next(); }); }; }
const debug = require('debug')('koa-static');
const {
resolve
} = require('path');
const assert = require('assert');
const send = require("@shellscape/koa-send/legacy");
/**
* Expose `serve()`.
*/
module.exports = serve;
/**
* Serve static files from `root`.
*
* @param {String} root
* @param {Object} [opts]
* @return {Function}
* @api public
*/
function serve(root, opts) {
opts = Object.assign({}, opts);
assert(root, 'root directory is required to serve files'); // options
debug('static "%s" %j', root, opts);
opts.root = resolve(root);
if (opts.index !== false) opts.index = opts.index || 'index.html';
if (!opts.defer) {
return (
/*#__PURE__*/
function () {
var _serve = _asyncToGenerator(function* (ctx, next) {
let done = false;
if (ctx.method === 'HEAD' || ctx.method === 'GET') {
try {
done = yield send(ctx, ctx.path, opts);
} catch (err) {
if (err.status !== 404) {
throw err;
}
}
}
if (!done) {
yield next();
}
});
return function serve(_x, _x2) {
return _serve.apply(this, arguments);
};
}()
);
}
return (
/*#__PURE__*/
function () {
var _serve2 = _asyncToGenerator(function* (ctx, next) {
yield next();
if (ctx.method !== 'HEAD' && ctx.method !== 'GET') return; // response is already handled
if (ctx.body != null || ctx.status !== 404) return; // eslint-disable-line
try {
yield send(ctx, ctx.path, opts);
} catch (err) {
if (err.status !== 404) {
throw err;
}
}
});
return function serve(_x3, _x4) {
return _serve2.apply(this, arguments);
};
}()
);
}
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