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012a2b55e1
Tsserver expects `@angular/language-service` to provide a factory function
as the default export (commonjs-style) of the package.
The current implementation side steps TypeScript's import syntax by using
`module.exports = factory`.
This allows the code to incorrectly re-export other symbols:
```ts
export * from './api';
```
which transpiles to:
```js
var tslib_1 = require("tslib");
tslib_1.__exportStar(require("@angular/language-service/api"), exports);
```
Doing this meant that the package now has a runtime dependency on `tslib`,
which is totally unnecessary.
With the proper `export =` syntax, `tslib` is removed, and no other exports
are allowed.
Output:
```js
(function (factory) {
if (typeof module === "object" && typeof module.exports === "object") {
var v = factory(require, exports);
if (v !== undefined) module.exports = v;
}
else if (typeof define === "function" && define.amd) {
define("@angular/language-service", ["require", "exports"], factory);
}
})(function (require, exports) {
"use strict";
return function factory(tsModule) {
var plugin;
return {
create: function (info) {
var config = info.config;
var bundleName = config.ivy ? 'ivy.js' : 'language-service.js';
plugin = require("./bundles/" + bundleName)(tsModule);
return plugin.create(info);
},
getExternalFiles: function (project) {
var _a, _b;
return (_b = (_a = plugin === null || plugin === void 0 ? void 0 : plugin.getExternalFiles) === null || _a === void 0 ? void 0 : _a.call(plugin, project)) !== null && _b !== void 0 ? _b : [];
},
onConfigurationChanged: function (config) {
var _a;
(_a = plugin === null || plugin === void 0 ? void 0 : plugin.onConfigurationChanged) === null || _a === void 0 ? void 0 : _a.call(plugin, config);
},
};
};
});
```
PR Close #41165
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|---|---|---|
| .. | ||
| animations | ||
| bazel | ||
| benchpress | ||
| common | ||
| compiler | ||
| compiler-cli | ||
| core | ||
| docs | ||
| elements | ||
| examples | ||
| forms | ||
| language-service | ||
| localize | ||
| misc/angular-in-memory-web-api | ||
| platform-browser | ||
| platform-browser-dynamic | ||
| platform-server | ||
| private/testing | ||
| router | ||
| service-worker | ||
| upgrade | ||
| zone.js | ||
| BUILD.bazel | ||
| circular-deps-test.conf.js | ||
| empty.ts | ||
| goog.d.ts | ||
| license-banner.txt | ||
| README.md | ||
| system.d.ts | ||
| tsconfig-build-no-strict.json | ||
| tsconfig-build.json | ||
| tsconfig-test.json | ||
| tsconfig.json | ||
| types.d.ts | ||
Angular
The sources for this package are in the main Angular repo. Please file issues and pull requests against that repo.
Usage information and reference details can be found in Angular documentation.
License: MIT