gecko-dev/devtools/shared/loader-plugin-raw.jsm

45 строки
1.4 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
const { utils: Cu } = Components;
const { NetUtil } = Cu.import("resource://gre/modules/NetUtil.jsm", {});
/**
* A function that can be used as part of a require hook for a
* loader.js Loader.
* This function handles "raw!" and "theme-loader!" requires.
* See also: https://github.com/webpack/raw-loader.
*/
this.requireRawId = function (id, require) {
let index = id.indexOf("!");
let rawId = id.slice(index + 1);
let uri = require.resolve(rawId);
// If the original string did not end with ".js", then
// require.resolve might have added the suffix. We don't want to
// add a suffix for a raw load (if needed the caller can specify it
// manually), so remove it here.
if (!id.endsWith(".js") && uri.endsWith(".js")) {
uri = uri.slice(0, -3);
}
let stream = NetUtil.newChannel({
uri: NetUtil.newURI(uri, "UTF-8"),
loadUsingSystemPrincipal: true
}).open2();
let count = stream.available();
let data = NetUtil.readInputStreamToString(stream, count, {
charset: "UTF-8"
});
stream.close();
// For the time being it doesn't seem worthwhile to cache the
// result here.
return data;
};
this.EXPORTED_SYMBOLS = ["requireRawId"];