@vue-async/module-loader
Version:
Module Loader Core.
100 lines • 4.41 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.execStyles = exports.execScript = exports.createSandbox = void 0;
var warning_1 = __importDefault(require("warning"));
function createSandbox() {
var sandbox = {
Buffer: Buffer,
require: require,
console: console,
process: process,
setTimeout: setTimeout,
setInterval: setInterval,
setImmediate: setImmediate,
clearTimeout: clearTimeout,
clearInterval: clearInterval,
clearImmediate: clearImmediate,
};
sandbox.global = sandbox;
sandbox.exports = {};
sandbox.module = {};
return {};
}
exports.createSandbox = createSandbox;
function tryGetCwd(path) {
var threw = true;
var cwd;
try {
cwd = process.cwd();
threw = false;
}
finally {
if (threw) {
// getcwd(3) can fail if the current working directory has been deleted.
// Fall back to the directory name of the (absolute) executable path.
// It's not really correct but what are the alternatives?
return path.dirname(process.execPath);
}
}
return cwd;
}
/** 加载 entry 脚本 */
function execScript(entry, _proxy) {
if (_proxy === void 0) { _proxy = { exports: {} }; }
return new Promise(function (resolve, reject) {
var http = require('http');
var request = http.get(entry, function (res) {
var statusCode = res.statusCode;
if (statusCode !== 200) {
(0, warning_1.default)(process.env.NODE_ENV === 'production', "[moduleLoader] script had a problem to create, entry\uFF1A".concat(entry));
reject(new Error("script load error, statusCode: ".concat(statusCode)));
}
res.setEncoding('utf8');
res.setTimeout(10000);
var rawData = '';
res.on('data', function (chunk) {
rawData += chunk;
});
res.on('end', function () {
try {
// https://github.com/nodejs/node/blob/6add5b31fcc4ae45a8603f886477c544a99e0188/lib/internal/bootstrap_node.js#L415
var exports_1 = (function evalScript(name, body) {
var Module = require('module');
var path = require('path');
var cwd = tryGetCwd(path);
// @ts-ignore
var _module = new Module(name);
_module.filename = path.join(cwd, name);
_module.paths = Module._nodeModulePaths(cwd);
var script = "global.__filename = ".concat(JSON.stringify(name), ";\n global.exports = exports;\n global.module = module;\n global.__dirname = __dirname;\n global.require = require;\n return require(\"vm\").runInThisContext(").concat(JSON.stringify(body), ", {\n filename: ").concat(JSON.stringify(name), ",\n displayErrors: true\n });");
_module._compile(script, "".concat(name, "-wrapper"));
return _module.exports;
})(entry.substr(entry.lastIndexOf('/') + 1), rawData.toString());
resolve(exports_1);
}
catch (err) {
(0, warning_1.default)(process.env.NODE_ENV === 'production', "[moduleLoader] script had a problem to create, entry\uFF1A".concat(entry));
reject(new Error("script load error, error: ".concat(err.message)));
}
});
});
request.on('error', function (err) {
(0, warning_1.default)(process.env.NODE_ENV === 'production', "[moduleLoader] http.request error, entry\uFF1A".concat(entry));
reject(new Error("script load error, error: ".concat(err.message)));
});
});
}
exports.execScript = execScript;
/** 加载 styles */
function execStyles(styles, _styleFor) {
// load css
if (styles.length) {
// do something
}
return Promise.resolve();
}
exports.execStyles = execStyles;
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