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@willhuang1997 willhuang1997 commented May 23, 2023

Since @streamlit/lib is separated out to be its own separate lib, we need a script to constantly rebuild when the files change.

Will also need to update the contributing wiki after this is merged to develop.

Here is what the package.json command look like when running yarn buildLib
Screenshot 2023-05-23 at 9 41 40 AM

@willhuang1997 willhuang1997 marked this pull request as ready for review May 23, 2023 15:45
"build": "yarn workspace @streamlit/lib build && yarn workspace @streamlit/app build",
"buildFast": "yarn buildLib && yarn workspace @streamlit/app buildFast",
"buildLib": "yarn workspace @streamlit/lib build",
"buildLib": "echo If you want to hot reload lib code, from the frontend dir, run: \n echo \"yarn watchLib\" && yarn workspace @streamlit/lib build",
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@willhuang1997 willhuang1997 May 23, 2023

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I wonder if this echo should actually go into the lib/package.json

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These instructions are no longer correct, right?

from watchdog.observers import Observer

# Directory to monitor
directory = "../frontend/lib"
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Nit: because the current working directory for a Python script is based on where the script is run from (as opposed to where the script lives on disk), this script will behave differently based on where it's run from, which we don't want.

Instead, you can use the Python __file__ keyword to get the path of the script file itself, and build a script-relative path that way:

DIRECTORY = Path(__file__).parent.parent / "frontend" / "lib"

(I'm using the Path object here, but you can also do e.g. os.path.dirname(__file__).join("../frontend/lib"))

directory = "../frontend/lib"

# Command to run on file change
command = "cd ../frontend/lib && yarn build"
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This command should use the directory constant you created in the previous line, so that if you change directory, then command gets changed as well:

command = f"cd {directory} && yarn build"

@tconkling
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Whoops, I forgot some review comments:

  • Let's name this script something more descriptive. Something like watch_frontend_lib.py? rebuild_frontend_lib makes it sound like it's just going to build the lib and exit.
  • Can you add a short docstring at the top of the script explaining generally what it does and why you'd want to use it?

Makefile Outdated
pre-commit install

# Watch the frontend lib for changes and run yarn buildLib whenever a change is detected
.PHONY: watch-fe-lib
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Let's call this watch-frontend-lib for clarity - I think the extra verbosity is fine here

"build": "yarn workspace @streamlit/lib build && yarn workspace @streamlit/app build",
"buildFast": "yarn buildLib && yarn workspace @streamlit/app buildFast",
"buildLib": "yarn workspace @streamlit/lib build",
"buildLib": "echo If you want to hot reload lib code, from the frontend dir, run: \n echo \"yarn watchLib\" && yarn workspace @streamlit/lib build",
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These instructions are no longer correct, right?

@willhuang1997 willhuang1997 merged commit b399b3a into feature/st-lib May 24, 2023
willhuang1997 added a commit that referenced this pull request Jul 10, 2023
* Minimal exports for app to consume + VerticalBlock and ElementNodeRenderer (#6623)

This PR is the first milestone to determine the minimal number of exports needed for app to consume + VerticalBlock + ElementNodeRenderer.

Most of the changes are import path changes. Some of the more notable changes to look through are

How the @streamlit/lib is built. It's built through the monorepo config for babel (https://babeljs.io/docs/config-files/#monorepos).
a. The babel process works by using a custom preset that is mainly babel-preset-react-app but slightly modified in order to make sure glide data grid code is es6 compatible and hard coding isTypeScriptEnabled to True.
b. The other keys are adding in the emotion plugin for styled-components, ignoring proto, vendor, test files, and telling babel that frontend is the root directory for babel config.
The actual index.ts that is added to frontend/lib
Some things to note that will be punt down but worked on later:

We also need to look into why protobuf can't be compiled through tsc.

Cleaning frontend/app/package.json
Cleaning frontend/app/yarn.lock
Cleaning frontend/lib/scripts/create.js
Determine what's going wrong with globalStyles typing
Determine what's going wrong with styled-components typing for EmotionTheme

* Change exports for protobuf to be included in index.ts instead of copied through cp command. (#6635)

Tim noticed that I was copying the protobuf.js and protobuf.d.ts instead of compiling it through babel. That causes problems because then you have to import by doing import { ... } from "@streamlit/lib/dist/proto" which doesn't make any sense.
The reason why I did that was because I was getting an error on first try:

`src/proto.js:4:1 - error TS9005: Declaration emit for this file requires using private name 'Radii'. An explicit type annotation may unblock declaration emit.

4 import * as $protobuf from "protobufjs/minimal";
  ~~~~~~

src/proto.js:4:1 - error TS9005: Declaration emit for this file requires using private name 'Radio'. An explicit type annotation may unblock declaration emit.

4 import * as $protobuf from "protobufjs/minimal";`
I just removed the proto files and did a make protobuf and then tried exporting and that worked, as it should.

* Simple fix for globalStyles (#6651)

* Fix typing issues for styled-components (#6652)

There are going to be 2 emotion.d.ts. Our @streamlit/lib has our own theming and then our app will simply just be consuming from @streamlit/lib which makes sense.

* remove extra app directory in frontend dir (#6653)

The current folder structure is frontend/app/src/app. We should make it so that it's frontend/app/src and remove the extra app directory.
This PR also fixes the audit_license script.

* Remove unnecessary files

* Fix naming of directories and files

* Fix BaseColorPicker directory

* Add Fixes that should exist in feature/st-lib

* Fix Eslint and Type-checking for st-lib (#6675)

This PR is to fix eslint for app and lib. This also adds dependencies that are necessary to lib's package.json. This is done through eslint noticing the necessary dependencies. This PR also does some linting and also does a merge from develop as we need the BaseButton refactoring to stop duplication of exports from the root index.ts.

In addition, this PR fixes the type checking github actions by adding new commands.

* Fix notices (#6676)

* Clean up audit_frontend_licenses

* Fix/yarn test (#6681)

This is to fix yarn test. This simply adds new scripts through the yarn workspace command to run app and lib tests.
Currently, the lib testing works by mainly using the same scripts that CRA uses for transpiling typescript to javascript.

There is one other thing to note: It looks like if you were to upgrade to 17.0.1 supposedly for react-dom, it would fix jest tests for app to not hang (facebook/react#20756 (comment)). However, jest was still hanging so I just did a delete MessageChannel within src/setupTests.js and we can remove that when we upgrade to React 18.

* Fix regex that I accidentally forgot to commit (#6698)

* Fix/cypress (#6699)

* Remove unused app dep / dev dep and declarations.d.ts (#6713)

* Remove unused app dep / dev dep and declarations.d.ts

* Remove d3 color resolution (#6714)

* Add dependencies removed from app to lib/package.json

* Add pbjs cli

* Readd notices

* Add watch lib script (#6730)

Since @streamlit/lib is separated out to be its own separate lib, we need a script to constantly rebuild when the files change.

Will also need to update the contributing wiki after this is merged to develop.

* Get rid of yarn start warnings and clean Makefile (#6739)

* Remove streamlit.css. I'm not sure where it came from

* Fix yarn buildLib

* Fix eslintrc

* Fix codeql

* Add notices and yarn.lock

* Fix glide-data-grid versions

* Fix nits

* Fix nits

* Lint and cleanup

* Minor cleanup for Block utils as comments got removed

* Remove accidentally committed file

* Revert "Remove accidentally committed file"

This reverts commit 87b7f13.

* Fix yarn lock

* Fix compilation errors

* Fix lint

* Fix notices

* Remove unnecessary package.json dependencies

* Fix package.json versions

* Fix yarn.lock and streamlit dialog snapshots

* Fix notices

* Have faster hot reloading and absolute imports for @streamlit/lib (#6961)

<!--
⚠️ BEFORE CONTRIBUTING PLEASE READ OUR CONTRIBUTING GUIDELINES!
https://github.com/streamlit/streamlit/wiki/Contributing
-->

## Describe your changes
- Change imports for `app` to `@streamlit/app/src...` as we removed the `ModuleScopePlugin` which allows us to import out of `app/src`. 
- Change imports for `lib` to absolute imports
- add `tsconfig.dev.json` that is specifically for developement
- change `tsconfig.json` for `lib` and `app`
- change `.eslintrc` to `.eslintrc.js` in order to gain access to `__dirname` to make typescript configs relative to each project

## GitHub Issue Link (if applicable)

## Testing Plan
Manually testing
- Explanation of why no additional tests are needed
- Unit Tests (JS and/or Python)
- E2E Tests
- Any manual testing needed?
yes

https://github.com/streamlit/streamlit/assets/16749069/cc0a5f96-f8cd-487b-b70e-6a4e5823f0e7


---

**Contribution License Agreement**

By submitting this pull request you agree that all contributions to this project are made under the Apache 2.0 license.

* Fix minor comments from Lukas
@vdonato vdonato deleted the watchLibScript branch November 1, 2023 23:58
asmeralt pushed a commit to asmeralt/streamlit that referenced this pull request Sep 29, 2025
* Minimal exports for app to consume + VerticalBlock and ElementNodeRenderer (streamlit#6623)

This PR is the first milestone to determine the minimal number of exports needed for app to consume + VerticalBlock + ElementNodeRenderer.

Most of the changes are import path changes. Some of the more notable changes to look through are

How the @streamlit/lib is built. It's built through the monorepo config for babel (https://babeljs.io/docs/config-files/#monorepos).
a. The babel process works by using a custom preset that is mainly babel-preset-react-app but slightly modified in order to make sure glide data grid code is es6 compatible and hard coding isTypeScriptEnabled to True.
b. The other keys are adding in the emotion plugin for styled-components, ignoring proto, vendor, test files, and telling babel that frontend is the root directory for babel config.
The actual index.ts that is added to frontend/lib
Some things to note that will be punt down but worked on later:

We also need to look into why protobuf can't be compiled through tsc.

Cleaning frontend/app/package.json
Cleaning frontend/app/yarn.lock
Cleaning frontend/lib/scripts/create.js
Determine what's going wrong with globalStyles typing
Determine what's going wrong with styled-components typing for EmotionTheme

* Change exports for protobuf to be included in index.ts instead of copied through cp command. (streamlit#6635)

Tim noticed that I was copying the protobuf.js and protobuf.d.ts instead of compiling it through babel. That causes problems because then you have to import by doing import { ... } from "@streamlit/lib/dist/proto" which doesn't make any sense.
The reason why I did that was because I was getting an error on first try:

`src/proto.js:4:1 - error TS9005: Declaration emit for this file requires using private name 'Radii'. An explicit type annotation may unblock declaration emit.

4 import * as $protobuf from "protobufjs/minimal";
  ~~~~~~

src/proto.js:4:1 - error TS9005: Declaration emit for this file requires using private name 'Radio'. An explicit type annotation may unblock declaration emit.

4 import * as $protobuf from "protobufjs/minimal";`
I just removed the proto files and did a make protobuf and then tried exporting and that worked, as it should.

* Simple fix for globalStyles (streamlit#6651)

* Fix typing issues for styled-components (streamlit#6652)

There are going to be 2 emotion.d.ts. Our @streamlit/lib has our own theming and then our app will simply just be consuming from @streamlit/lib which makes sense.

* remove extra app directory in frontend dir (streamlit#6653)

The current folder structure is frontend/app/src/app. We should make it so that it's frontend/app/src and remove the extra app directory.
This PR also fixes the audit_license script.

* Remove unnecessary files

* Fix naming of directories and files

* Fix BaseColorPicker directory

* Add Fixes that should exist in feature/st-lib

* Fix Eslint and Type-checking for st-lib (streamlit#6675)

This PR is to fix eslint for app and lib. This also adds dependencies that are necessary to lib's package.json. This is done through eslint noticing the necessary dependencies. This PR also does some linting and also does a merge from develop as we need the BaseButton refactoring to stop duplication of exports from the root index.ts.

In addition, this PR fixes the type checking github actions by adding new commands.

* Fix notices (streamlit#6676)

* Clean up audit_frontend_licenses

* Fix/yarn test (streamlit#6681)

This is to fix yarn test. This simply adds new scripts through the yarn workspace command to run app and lib tests.
Currently, the lib testing works by mainly using the same scripts that CRA uses for transpiling typescript to javascript.

There is one other thing to note: It looks like if you were to upgrade to 17.0.1 supposedly for react-dom, it would fix jest tests for app to not hang (facebook/react#20756 (comment)). However, jest was still hanging so I just did a delete MessageChannel within src/setupTests.js and we can remove that when we upgrade to React 18.

* Fix regex that I accidentally forgot to commit (streamlit#6698)

* Fix/cypress (streamlit#6699)

* Remove unused app dep / dev dep and declarations.d.ts (streamlit#6713)

* Remove unused app dep / dev dep and declarations.d.ts

* Remove d3 color resolution (streamlit#6714)

* Add dependencies removed from app to lib/package.json

* Add pbjs cli

* Readd notices

* Add watch lib script (streamlit#6730)

Since @streamlit/lib is separated out to be its own separate lib, we need a script to constantly rebuild when the files change.

Will also need to update the contributing wiki after this is merged to develop.

* Get rid of yarn start warnings and clean Makefile (streamlit#6739)

* Remove streamlit.css. I'm not sure where it came from

* Fix yarn buildLib

* Fix eslintrc

* Fix codeql

* Add notices and yarn.lock

* Fix glide-data-grid versions

* Fix nits

* Fix nits

* Lint and cleanup

* Minor cleanup for Block utils as comments got removed

* Remove accidentally committed file

* Revert "Remove accidentally committed file"

This reverts commit 87b7f13.

* Fix yarn lock

* Fix compilation errors

* Fix lint

* Fix notices

* Remove unnecessary package.json dependencies

* Fix package.json versions

* Fix yarn.lock and streamlit dialog snapshots

* Fix notices

* Have faster hot reloading and absolute imports for @streamlit/lib (streamlit#6961)

<!--
⚠️ BEFORE CONTRIBUTING PLEASE READ OUR CONTRIBUTING GUIDELINES!
https://github.com/streamlit/streamlit/wiki/Contributing
-->

## Describe your changes
- Change imports for `app` to `@streamlit/app/src...` as we removed the `ModuleScopePlugin` which allows us to import out of `app/src`. 
- Change imports for `lib` to absolute imports
- add `tsconfig.dev.json` that is specifically for developement
- change `tsconfig.json` for `lib` and `app`
- change `.eslintrc` to `.eslintrc.js` in order to gain access to `__dirname` to make typescript configs relative to each project

## GitHub Issue Link (if applicable)

## Testing Plan
Manually testing
- Explanation of why no additional tests are needed
- Unit Tests (JS and/or Python)
- E2E Tests
- Any manual testing needed?
yes

https://github.com/streamlit/streamlit/assets/16749069/cc0a5f96-f8cd-487b-b70e-6a4e5823f0e7


---

**Contribution License Agreement**

By submitting this pull request you agree that all contributions to this project are made under the Apache 2.0 license.

* Fix minor comments from Lukas
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