GoScrobble/web/node_modules/@surma/rollup-plugin-off-main-thread/loader.ejs

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/**
* Copyright 2018 Google Inc. All Rights Reserved.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// If the loader is already loaded, just stop.
if (!self.<%- amdFunctionName %>) {
const singleRequire = name => {
if (name !== 'require') {
name = name + '.js';
}
let promise = Promise.resolve();
if (!registry[name]) {
<% if (useEval) { %>
promise = fetch(name)
.then(resp => resp.text())
.then(code => eval(code));
<% } else { %>
promise = new Promise(async resolve => {
if ("document" in self) {
const script = document.createElement("script");
script.src = name;
document.head.appendChild(script);
script.onload = resolve;
} else {
importScripts(name);
resolve();
}
});
<% } %>
}
return promise.then(() => {
if (!registry[name]) {
throw new Error(`Module ${name} didnt register its module`);
}
return registry[name];
});
};
const require = (names, resolve) => {
Promise.all(names.map(singleRequire))
.then(modules => resolve(modules.length === 1 ? modules[0] : modules));
};
const registry = {
require: Promise.resolve(require)
};
self.<%- amdFunctionName %> = (moduleName, depsNames, factory) => {
if (registry[moduleName]) {
// Module is already loading or loaded.
return;
}
registry[moduleName] = Promise.resolve().then(() => {
let exports = {};
const module = {
uri: location.origin + moduleName.slice(1)
};
return Promise.all(
depsNames.map(depName => {
switch(depName) {
case "exports":
return exports;
case "module":
return module;
default:
return singleRequire(depName);
}
})
).then(deps => {
const facValue = factory(...deps);
if(!exports.default) {
exports.default = facValue;
}
return exports;
});
});
};
}