Standards
Contributing Code
If you want to contribute code to the project, please ensure your code complies with the project's coding standards.
If you are using
vscode, you need to install the following plugins:- ESLint - Script code checking
- Prettier - Code formatting
- Code Spell Checker - Word syntax checking
- Stylelint - CSS formatting
Purpose
Students with basic engineering literacy always pay attention to coding standards, and code style checking (Code Linting, simply called Lint) is an important means to ensure the consistency of coding standards.
Following the corresponding coding standards has the following benefits:
- Lower bug error rate
- Efficient development efficiency
- Higher readability
Tools
The project's configuration files are located in internal/lint-configs, where you can modify various lint configurations.
The project integrates the following code verification tools:
- ESLint for JavaScript code checking
- Stylelint for CSS style checking
- Prettier for code formatting
- Commitlint for checking the standard of git commit messages
- Publint for checking the standard of npm packages
- Cspell for checking spelling errors
- lefthook for managing Git hooks, automatically running code checks and formatting before commits
ESLint
ESLint is a code standard and error checking tool used to identify and report syntax errors in TypeScript code.
Command
pnpm eslint .Configuration
The ESLint configuration file is eslint.config.mjs, with its core configuration located in the internal/lint-configs/eslint-config directory, which can be modified according to project needs.
Stylelint
Stylelint is used to check the style of CSS within the project. Coupled with the editor's auto-fix feature, it can effectively unify the CSS style within the project.
Command
pnpm stylelint "**/*.{vue,css,less.scss}"Configuration
The Stylelint configuration file is stylelint.config.mjs, with its core configuration located in the internal/lint-configs/stylelint-config directory, which can be modified according to project needs.
Prettier
Prettier Can be used to unify project code style, consistent indentation, single and double quotes, trailing commas, and other styles.
Command
pnpm prettier .Configuration
The Prettier configuration file is .prettier.mjs, with its core configuration located in the internal/lint-configs/prettier-config directory, which can be modified according to project needs.
CommitLint
In a team, everyone's git commit messages can vary widely, making it difficult to ensure standardization without a mechanism. How can standardization be achieved? You might think of using git's hook mechanism to write shell scripts to implement this. Of course, this is possible, but actually, JavaScript has a great tool for implementing this template, which is commitlint (used for verifying the standard of git commit messages).
Configuration
The CommitLint configuration file is .commitlintrc.mjs, with its core configuration located in the internal/lint-configs/commitlint-config directory, which can be modified according to project needs.
Git Commit Standards
Refer to Angular
featAdd new featuresfixFix problems/BUGsstyleCode style changes that do not affect the outcomeperfOptimization/performance improvementrefactorRefactoringrevertRevert changestestRelated to testsdocsDocumentation/commentschoreDependency updates/scaffold configuration modifications, etc.workflowWorkflow improvementsciContinuous integrationtypesType modifications
Disabling Git Commit Standard Checks
If you want to disable Git commit standard checks, there are two ways:
git commit -m 'feat: add home page' --no-verify# Comment out the following code in .husky/commit-msg to disable
pnpm exec commitlint --edit "$1"Publint
Publint is a tool for checking the standard of npm packages, which can check whether the package version conforms to the standard, whether it conforms to the standard ESM package specification, etc.
Command
pnpm vsh publintCspell
Cspell is a tool for checking spelling errors, which can check for spelling errors in the code, avoiding bugs caused by spelling errors.
Command
pnpm cspell lint \"**/*.ts\" \"**/README.md\" \".changeset/*.md\" --no-progressConfiguration
The cspell configuration file is cspell.json, which can be modified according to project needs.
Git Hook
Git hooks are generally combined with various lints to check code style during git commits. If the check fails, the commit will not proceed. Developers need to modify and resubmit.
lefthook
One issue is that the check will verify all code, but we only want to check the code we are committing. This is where lefthook comes in.
The most effective solution is to perform Lint checks locally before committing. A common practice is to use lefthook to perform a Lint check before local submission.
The project defines corresponding hooks inside lefthook.yml:
pre-commit: Runs before commit, used for code formatting and checkingcode-workspace: Updates VSCode workspace configurationlint-md: Formats Markdown fileslint-vue: Formats and checks Vue fileslint-js: Formats and checks JavaScript/TypeScript fileslint-style: Formats and checks style fileslint-package: Formats package.jsonlint-json: Formats other JSON files
post-merge: Runs after merge, used for automatic dependency installationinstall: Runspnpm installto install new dependencies
commit-msg: Runs during commit, used for checking commit message formatcommitlint: Uses commitlint to check commit messages
How to Disable lefthook
If you want to disable lefthook, there are two ways:
git commit -m 'feat: add home page' --no-verify# Simply delete the lefthook.yml file
rm lefthook.ymlHow to Modify lefthook Configuration
If you want to modify lefthook's configuration, you can edit the lefthook.yml file. For example:
pre-commit:
parallel: true # Execute tasks in parallel
jobs:
- name: lint-js
run: pnpm prettier --cache --ignore-unknown --write {staged_files}
glob: '*.{js,jsx,ts,tsx}'Where:
parallel: Whether to execute tasks in paralleljobs: Defines the list of tasks to executename: Task namerun: Command to executeglob: File pattern to match{staged_files}: Represents the list of staged files
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Li Kui