Michael Bradley, Jr 3693ebd90d fix: ensure that packages properly specify their dependencies
Many packages in the monorepo did not specify all of their dependencies; they
were effectively relying on resolution in the monorepo's root
`node_modules`. In a production release of `embark` and `embark[js]-*` packages
this can lead to broken packages.

To fix the problem currently and to help prevent it from happening again, make
use of the `eslint-plugin-import` package's `import/no-extraneous-dependencies`
and `import/no-unresolved` rules. In the root `tslint.json` set
`"no-implicit-dependencies": true`, wich is the tslint equivalent of
`import/no-extraneous-dependencies`; there is no tslint equivalent for
`import/no-unresolved`, but we will eventually replace tslint with an eslint
configuration that checks both `.js` and `.ts` files.

For `import/no-unresolved` to work in our monorepo setup, in most packages add
an `index.js` that has:

```js
module.exports = require('./dist'); // or './dist/lib' in some cases
```

And point `"main"` in `package.json` to `"./index.js"`. Despite what's
indicated in npm's documentation for `package.json`, it's also necessary to add
`"index.js"` to the `"files"` array.

Make sure that all `.js` files that can and should be linted are in fact
linted. For example, files in `packages/embark/src/cmd/` weren't being linted
and many test suites weren't being linted.

Bump all relevant packages to `eslint@6.8.0`.

Fix all linter errors that arose after these changes.

Implement a `check-yarn-lock` script that's run as part of `"ci:full"` and
`"qa:full"`, and can manually be invoked via `yarn cylock` in the root of the
monorepo. The script exits with error if any specifiers are found in
`yarn.lock` for `embark[js][-*]` and/or `@embarklabs/*` (with a few exceptions,
cf. `scripts/check-yarn-lock.js`).
2020-02-25 14:52:10 -06:00

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JavaScript

const cloneDeep = require('lodash.clonedeep');
module.exports = (api) => {
const env = api.env();
const base = {};
const browser = cloneDeep(base);
Object.assign(browser, {
ignore: ['src/node']
});
const node = cloneDeep(base);
const test = cloneDeep(node);
switch (env) {
case 'browser':
return browser;
case 'node':
return node;
case 'test':
return test;
default:
return base;
}
};