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build(election-manager): add to the yarn workspace #139

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eventualbuddha
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Something changed such that the assert module that gets bundled no longer has the strict property, so I switched it to strictEqual instead of strict.equal.

Something changed such that the `assert` module that gets bundled no longer has the `strict` property, so I switched it to `strictEqual` instead of `strict.equal`.
eventualbuddha added a commit that referenced this pull request Jan 13, 2021
I tried to get all the apps and libraries under a single yarn workspace and found I could not do it. This message describes the difficulties I had.

### There might be a problem with the project dependency tree.

`react-scripts` does some preflight checks to ensure that there isn't another resolvable copy of some of the packages it needs that might conflict with the versions it wants. When it finds one, [it bails with an error message](facebook/create-react-app#4296).

Trying to put multiple `react-scripts`-using projects into the same yarn workspace means that yarn will hoist shared dependencies, such as `babel-eslint`, to the root. Thus, these packages become visible to the preflight check and it aborts. To work around this, you can use the [`nohoist`](https://classic.yarnpkg.com/blog/2018/02/15/nohoist/) option to tell yarn which packages not to hoist. This sort of worked, but there were subtle issues remaining.

### Versions changing when adding to the workspace

I got BMD and ballot-encoder into the workspace together, but when I added election-manager [it broke BMD](#139). I still don't know exactly why, but I believe something changed the versions of some packages that BMD was using in a way that caused the tests to fail.

### Incompatible type declarations

Sometimes multiple packages reference the same types, i.e. for a mutual dependency. However, sometimes they'd end up using different (and subtly incompatible) versions of the same `@types/` package. When this happened, the best recourse was to use another yarn workspaces feature: `resolutions`. This allows you to configure what version packages should resolve to. This fixed most of the type incompatibility issues, but I suspect it caused another issue.

### yarn resolved an older copy than requested

I noticed some crashes due to an API incompatibility. Specifically, one of the `@babel/` packages required another one in the `^7.12.0` range, but yarn hooked it up with `7.8.6`. Why? I don't know. Perhaps it was the `resolutions` stuff. I was only able to work around this by finding the entry in the `yarn.lock` file, deleting it, and re-running `yarn`.

### Trying out alternatives

I tried both npm v7 and pnpm. npm v7 has support for workspaces similar to yarn, but does not yet have support for configuring hoisting behavior. Lacking hoisting control meant it hoisted everything it could, which made `react-scripts` angry. Thus I couldn't use npm v7.

Previous versions of pnpm did not hoist anything, and still was able to share dependencies by symlinking. Though it does hoist by default now, that behavior can be turned off. So I added `hoist = false` to `.npmrc` and then started trying to run everything to determine what would break without hoisting. It turns out that a good number of packages have implicit dependencies that hoisting allowed them to access, but that could not be accessed in a non-hoisted `node_modules` layout.

pnpm has a hook called `readPackage` that allows altering the package data for any npm package using any custom logic you want. This allows us to act as if these packages with implicit dependencies actually had those dependencies listed explicitly. In my testing, this has yielded a good balance of correctness and functionality.

So pnpm seems to work and I think is flexible enough to meet our needs going forward.
eventualbuddha added a commit that referenced this pull request Jan 14, 2021
I tried to get all the apps and libraries under a single yarn workspace and found I could not do it. This message describes the difficulties I had.

`react-scripts` does some preflight checks to ensure that there isn't another resolvable copy of some of the packages it needs that might conflict with the versions it wants. When it finds one, [it bails with an error message](facebook/create-react-app#4296).

Trying to put multiple `react-scripts`-using projects into the same yarn workspace means that yarn will hoist shared dependencies, such as `babel-eslint`, to the root. Thus, these packages become visible to the preflight check and it aborts. To work around this, you can use the [`nohoist`](https://classic.yarnpkg.com/blog/2018/02/15/nohoist/) option to tell yarn which packages not to hoist. This sort of worked, but there were subtle issues remaining.

I got BMD and ballot-encoder into the workspace together, but when I added election-manager [it broke BMD](#139). I still don't know exactly why, but I believe something changed the versions of some packages that BMD was using in a way that caused the tests to fail.

Sometimes multiple packages reference the same types, i.e. for a mutual dependency. However, sometimes they'd end up using different (and subtly incompatible) versions of the same `@types/` package. When this happened, the best recourse was to use another yarn workspaces feature: `resolutions`. This allows you to configure what version packages should resolve to. This fixed most of the type incompatibility issues, but I suspect it caused another issue.

I noticed some crashes due to an API incompatibility. Specifically, one of the `@babel/` packages required another one in the `^7.12.0` range, but yarn hooked it up with `7.8.6`. Why? I don't know. Perhaps it was the `resolutions` stuff. I was only able to work around this by finding the entry in the `yarn.lock` file, deleting it, and re-running `yarn`.

I tried both npm v7 and pnpm. npm v7 has support for workspaces similar to yarn, but does not yet have support for configuring hoisting behavior. Lacking hoisting control meant it hoisted everything it could, which made `react-scripts` angry. Thus I couldn't use npm v7.

Previous versions of pnpm did not hoist anything, and still was able to share dependencies by symlinking. Though it does hoist by default now, that behavior can be turned off. So I added `hoist = false` to `.npmrc` and then started trying to run everything to determine what would break without hoisting. It turns out that a good number of packages have implicit dependencies that hoisting allowed them to access, but that could not be accessed in a non-hoisted `node_modules` layout.

pnpm has a hook called `readPackage` that allows altering the package data for any npm package using any custom logic you want. This allows us to act as if these packages with implicit dependencies actually had those dependencies listed explicitly. In my testing, this has yielded a good balance of correctness and functionality.

So pnpm seems to work and I think is flexible enough to meet our needs going forward.
eventualbuddha added a commit that referenced this pull request Jan 14, 2021
I tried to get all the apps and libraries under a single yarn workspace and found I could not do it. This message describes the difficulties I had.

`react-scripts` does some preflight checks to ensure that there isn't another resolvable copy of some of the packages it needs that might conflict with the versions it wants. When it finds one, [it bails with an error message](facebook/create-react-app#4296).

Trying to put multiple `react-scripts`-using projects into the same yarn workspace means that yarn will hoist shared dependencies, such as `babel-eslint`, to the root. Thus, these packages become visible to the preflight check and it aborts. To work around this, you can use the [`nohoist`](https://classic.yarnpkg.com/blog/2018/02/15/nohoist/) option to tell yarn which packages not to hoist. This sort of worked, but there were subtle issues remaining.

I got BMD and ballot-encoder into the workspace together, but when I added election-manager [it broke BMD](#139). I still don't know exactly why, but I believe something changed the versions of some packages that BMD was using in a way that caused the tests to fail.

Sometimes multiple packages reference the same types, i.e. for a mutual dependency. However, sometimes they'd end up using different (and subtly incompatible) versions of the same `@types/` package. When this happened, the best recourse was to use another yarn workspaces feature: `resolutions`. This allows you to configure what version packages should resolve to. This fixed most of the type incompatibility issues, but I suspect it caused another issue.

I noticed some crashes due to an API incompatibility. Specifically, one of the `@babel/` packages required another one in the `^7.12.0` range, but yarn hooked it up with `7.8.6`. Why? I don't know. Perhaps it was the `resolutions` stuff. I was only able to work around this by finding the entry in the `yarn.lock` file, deleting it, and re-running `yarn`.

I tried both npm v7 and pnpm. npm v7 has support for workspaces similar to yarn, but does not yet have support for configuring hoisting behavior. Lacking hoisting control meant it hoisted everything it could, which made `react-scripts` angry. Thus I couldn't use npm v7.

Previous versions of pnpm did not hoist anything, and still was able to share dependencies by symlinking. Though it does hoist by default now, that behavior can be turned off. So I added `hoist = false` to `.npmrc` and then started trying to run everything to determine what would break without hoisting. It turns out that a good number of packages have implicit dependencies that hoisting allowed them to access, but that could not be accessed in a non-hoisted `node_modules` layout.

pnpm has a hook called `readPackage` that allows altering the package data for any npm package using any custom logic you want. This allows us to act as if these packages with implicit dependencies actually had those dependencies listed explicitly. In my testing, this has yielded a good balance of correctness and functionality.

So pnpm seems to work and I think is flexible enough to meet our needs going forward.
eventualbuddha added a commit that referenced this pull request Jan 14, 2021
I tried to get all the apps and libraries under a single yarn workspace and found I could not do it. This message describes the difficulties I had.

`react-scripts` does some preflight checks to ensure that there isn't another resolvable copy of some of the packages it needs that might conflict with the versions it wants. When it finds one, [it bails with an error message](facebook/create-react-app#4296).

Trying to put multiple `react-scripts`-using projects into the same yarn workspace means that yarn will hoist shared dependencies, such as `babel-eslint`, to the root. Thus, these packages become visible to the preflight check and it aborts. To work around this, you can use the [`nohoist`](https://classic.yarnpkg.com/blog/2018/02/15/nohoist/) option to tell yarn which packages not to hoist. This sort of worked, but there were subtle issues remaining.

I got BMD and ballot-encoder into the workspace together, but when I added election-manager [it broke BMD](#139). I still don't know exactly why, but I believe something changed the versions of some packages that BMD was using in a way that caused the tests to fail.

Sometimes multiple packages reference the same types, i.e. for a mutual dependency. However, sometimes they'd end up using different (and subtly incompatible) versions of the same `@types/` package. When this happened, the best recourse was to use another yarn workspaces feature: `resolutions`. This allows you to configure what version packages should resolve to. This fixed most of the type incompatibility issues, but I suspect it caused another issue.

I noticed some crashes due to an API incompatibility. Specifically, one of the `@babel/` packages required another one in the `^7.12.0` range, but yarn hooked it up with `7.8.6`. Why? I don't know. Perhaps it was the `resolutions` stuff. I was only able to work around this by finding the entry in the `yarn.lock` file, deleting it, and re-running `yarn`.

I tried both npm v7 and pnpm. npm v7 has support for workspaces similar to yarn, but does not yet have support for configuring hoisting behavior. Lacking hoisting control meant it hoisted everything it could, which made `react-scripts` angry. Thus I couldn't use npm v7.

Previous versions of pnpm did not hoist anything, and still was able to share dependencies by symlinking. Though it does hoist by default now, that behavior can be turned off. So I added `hoist = false` to `.npmrc` and then started trying to run everything to determine what would break without hoisting. It turns out that a good number of packages have implicit dependencies that hoisting allowed them to access, but that could not be accessed in a non-hoisted `node_modules` layout.

pnpm has a hook called `readPackage` that allows altering the package data for any npm package using any custom logic you want. This allows us to act as if these packages with implicit dependencies actually had those dependencies listed explicitly. In my testing, this has yielded a good balance of correctness and functionality.

So pnpm seems to work and I think is flexible enough to meet our needs going forward.
eventualbuddha added a commit that referenced this pull request Jan 14, 2021
I tried to get all the apps and libraries under a single yarn workspace and found I could not do it. This message describes the difficulties I had.

`react-scripts` does some preflight checks to ensure that there isn't another resolvable copy of some of the packages it needs that might conflict with the versions it wants. When it finds one, [it bails with an error message](facebook/create-react-app#4296).

Trying to put multiple `react-scripts`-using projects into the same yarn workspace means that yarn will hoist shared dependencies, such as `babel-eslint`, to the root. Thus, these packages become visible to the preflight check and it aborts. To work around this, you can use the [`nohoist`](https://classic.yarnpkg.com/blog/2018/02/15/nohoist/) option to tell yarn which packages not to hoist. This sort of worked, but there were subtle issues remaining.

I got BMD and ballot-encoder into the workspace together, but when I added election-manager [it broke BMD](#139). I still don't know exactly why, but I believe something changed the versions of some packages that BMD was using in a way that caused the tests to fail.

Sometimes multiple packages reference the same types, i.e. for a mutual dependency. However, sometimes they'd end up using different (and subtly incompatible) versions of the same `@types/` package. When this happened, the best recourse was to use another yarn workspaces feature: `resolutions`. This allows you to configure what version packages should resolve to. This fixed most of the type incompatibility issues, but I suspect it caused another issue.

I noticed some crashes due to an API incompatibility. Specifically, one of the `@babel/` packages required another one in the `^7.12.0` range, but yarn hooked it up with `7.8.6`. Why? I don't know. Perhaps it was the `resolutions` stuff. I was only able to work around this by finding the entry in the `yarn.lock` file, deleting it, and re-running `yarn`.

I tried both npm v7 and pnpm. npm v7 has support for workspaces similar to yarn, but does not yet have support for configuring hoisting behavior. Lacking hoisting control meant it hoisted everything it could, which made `react-scripts` angry. Thus I couldn't use npm v7.

Previous versions of pnpm did not hoist anything, and still was able to share dependencies by symlinking. Though it does hoist by default now, that behavior can be turned off. So I added `hoist = false` to `.npmrc` and then started trying to run everything to determine what would break without hoisting. It turns out that a good number of packages have implicit dependencies that hoisting allowed them to access, but that could not be accessed in a non-hoisted `node_modules` layout.

pnpm has a hook called `readPackage` that allows altering the package data for any npm package using any custom logic you want. This allows us to act as if these packages with implicit dependencies actually had those dependencies listed explicitly. In my testing, this has yielded a good balance of correctness and functionality.

So pnpm seems to work and I think is flexible enough to meet our needs going forward.
eventualbuddha added a commit that referenced this pull request Jan 14, 2021
I tried to get all the apps and libraries under a single yarn workspace and found I could not do it. This message describes the difficulties I had.

`react-scripts` does some preflight checks to ensure that there isn't another resolvable copy of some of the packages it needs that might conflict with the versions it wants. When it finds one, [it bails with an error message](facebook/create-react-app#4296).

Trying to put multiple `react-scripts`-using projects into the same yarn workspace means that yarn will hoist shared dependencies, such as `babel-eslint`, to the root. Thus, these packages become visible to the preflight check and it aborts. To work around this, you can use the [`nohoist`](https://classic.yarnpkg.com/blog/2018/02/15/nohoist/) option to tell yarn which packages not to hoist. This sort of worked, but there were subtle issues remaining.

I got BMD and ballot-encoder into the workspace together, but when I added election-manager [it broke BMD](#139). I still don't know exactly why, but I believe something changed the versions of some packages that BMD was using in a way that caused the tests to fail.

Sometimes multiple packages reference the same types, i.e. for a mutual dependency. However, sometimes they'd end up using different (and subtly incompatible) versions of the same `@types/` package. When this happened, the best recourse was to use another yarn workspaces feature: `resolutions`. This allows you to configure what version packages should resolve to. This fixed most of the type incompatibility issues, but I suspect it caused another issue.

I noticed some crashes due to an API incompatibility. Specifically, one of the `@babel/` packages required another one in the `^7.12.0` range, but yarn hooked it up with `7.8.6`. Why? I don't know. Perhaps it was the `resolutions` stuff. I was only able to work around this by finding the entry in the `yarn.lock` file, deleting it, and re-running `yarn`.

I tried both npm v7 and pnpm. npm v7 has support for workspaces similar to yarn, but does not yet have support for configuring hoisting behavior. Lacking hoisting control meant it hoisted everything it could, which made `react-scripts` angry. Thus I couldn't use npm v7.

Previous versions of pnpm did not hoist anything, and still was able to share dependencies by symlinking. Though it does hoist by default now, that behavior can be turned off. So I added `hoist = false` to `.npmrc` and then started trying to run everything to determine what would break without hoisting. It turns out that a good number of packages have implicit dependencies that hoisting allowed them to access, but that could not be accessed in a non-hoisted `node_modules` layout.

pnpm has a hook called `readPackage` that allows altering the package data for any npm package using any custom logic you want. This allows us to act as if these packages with implicit dependencies actually had those dependencies listed explicitly. In my testing, this has yielded a good balance of correctness and functionality.

So pnpm seems to work and I think is flexible enough to meet our needs going forward.
eventualbuddha added a commit that referenced this pull request Jan 19, 2021
I tried to get all the apps and libraries under a single yarn workspace and found I could not do it. This message describes the difficulties I had.

`react-scripts` does some preflight checks to ensure that there isn't another resolvable copy of some of the packages it needs that might conflict with the versions it wants. When it finds one, [it bails with an error message](facebook/create-react-app#4296).

Trying to put multiple `react-scripts`-using projects into the same yarn workspace means that yarn will hoist shared dependencies, such as `babel-eslint`, to the root. Thus, these packages become visible to the preflight check and it aborts. To work around this, you can use the [`nohoist`](https://classic.yarnpkg.com/blog/2018/02/15/nohoist/) option to tell yarn which packages not to hoist. This sort of worked, but there were subtle issues remaining.

I got BMD and ballot-encoder into the workspace together, but when I added election-manager [it broke BMD](#139). I still don't know exactly why, but I believe something changed the versions of some packages that BMD was using in a way that caused the tests to fail.

Sometimes multiple packages reference the same types, i.e. for a mutual dependency. However, sometimes they'd end up using different (and subtly incompatible) versions of the same `@types/` package. When this happened, the best recourse was to use another yarn workspaces feature: `resolutions`. This allows you to configure what version packages should resolve to. This fixed most of the type incompatibility issues, but I suspect it caused another issue.

I noticed some crashes due to an API incompatibility. Specifically, one of the `@babel/` packages required another one in the `^7.12.0` range, but yarn hooked it up with `7.8.6`. Why? I don't know. Perhaps it was the `resolutions` stuff. I was only able to work around this by finding the entry in the `yarn.lock` file, deleting it, and re-running `yarn`.

I tried both npm v7 and pnpm. npm v7 has support for workspaces similar to yarn, but does not yet have support for configuring hoisting behavior. Lacking hoisting control meant it hoisted everything it could, which made `react-scripts` angry. Thus I couldn't use npm v7.

Previous versions of pnpm did not hoist anything, and still was able to share dependencies by symlinking. Though it does hoist by default now, that behavior can be turned off. So I added `hoist = false` to `.npmrc` and then started trying to run everything to determine what would break without hoisting. It turns out that a good number of packages have implicit dependencies that hoisting allowed them to access, but that could not be accessed in a non-hoisted `node_modules` layout.

pnpm has a hook called `readPackage` that allows altering the package data for any npm package using any custom logic you want. This allows us to act as if these packages with implicit dependencies actually had those dependencies listed explicitly. In my testing, this has yielded a good balance of correctness and functionality.

So pnpm seems to work and I think is flexible enough to meet our needs going forward.
@eventualbuddha
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Obviated by #146.

@eventualbuddha eventualbuddha deleted the build/election-manager/add-to-yarn-workspace branch January 20, 2021 17:10
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