Set up project conventions

.gitignore

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+.idea

README.md

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-# esmf-vs-code-plugin
-VS Code extension for editing Aspect Models
+# esmf-vs-code-plugin

extension/.gitignore

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+out
+dist
+node_modules
+.vscode-test/
+*.vsix
+logs

extension/.prettierrc

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+{
+  "printWidth": 140,
+  "singleQuote": true,
+  "useTabs": false,
+  "tabWidth": 4,
+  "semi": true,
+  "bracketSpacing": false,
+  "arrowParens": "avoid"
+}

extension/.vscode-test.mjs

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+import { defineConfig } from '@vscode/test-cli';
+
+export default defineConfig({
+	files: 'out/test/**/*.test.js',
+	launchArgs: [
+		'--user-data-dir=/tmp/extension-vscode-test-user-data',
+		'--extensions-dir=/tmp/extension-vscode-test-extensions'
+	],
+});

extension/.vscode/extensions.json

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+{
+	// See http://go.microsoft.com/fwlink/?LinkId=827846
+	// for the documentation about the extensions.json format
+	"recommendations": [
+		"dbaeumer.vscode-eslint",
+		"ms-vscode.extension-test-runner"
+	]
+}

extension/.vscode/launch.json

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+// A launch configuration that compiles the extension and then opens it inside a new window
+// Use IntelliSense to learn about possible attributes.
+// Hover to view descriptions of existing attributes.
+// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+{
+	"version": "0.2.0",
+	"configurations": [
+		{
+			"name": "Run Extension",
+			"type": "extensionHost",
+			"request": "launch",
+			"args": [
+				"--extensionDevelopmentPath=${workspaceFolder}"
+			],
+			"outFiles": [
+				"${workspaceFolder}/out/**/*.js"
+			],
+			"preLaunchTask": "${defaultBuildTask}"
+		}
+	]
+}

extension/.vscode/settings.json

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+// Place your settings in this file to overwrite default and user settings.
+{
+	"files.exclude": {
+		"out": false // set this to true to hide the "out" folder with the compiled JS files
+	},
+	"search.exclude": {
+		"out": true // set this to false to include "out" folder in search results
+	},
+	// Turn off tsc task auto detection since we have the necessary tasks as npm scripts
+	"typescript.tsc.autoDetect": "off"
+}

extension/.vscode/tasks.json

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+// See https://go.microsoft.com/fwlink/?LinkId=733558
+// for the documentation about the tasks.json format
+{
+	"version": "2.0.0",
+	"tasks": [
+		{
+			"type": "npm",
+			"script": "watch",
+			"problemMatcher": "$tsc-watch",
+			"isBackground": true,
+			"presentation": {
+				"reveal": "never"
+			},
+			"group": {
+				"kind": "build",
+				"isDefault": true
+			}
+		}
+	]
+}

extension/.vscodeignore

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+.vscode/**
+.vscode-test/**
+src/**
+.gitignore
+.yarnrc
+vsc-extension-quickstart.md
+**/tsconfig.json
+**/eslint.config.mjs
+**/*.map
+**/*.ts
+**/.vscode-test.*

extension/CONTRIBUTING.md

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+# Contribution Guideline ESMF Visual Studio Code Plugin
+
+Thank you for your interest in contributing to the ESMF Visual Studio Code Plugin. Use this repository to
+contribute to
+the project as easy and transparent as possible, whether it is:
+
+* Reporting a bug
+* Submitting a fix
+* Proposing new features
+* something else
+
+The ESMF Visual Studio Code Plugin is developed in the context of the [Eclipse Semantic Modeling
+Framework](https://projects.eclipse.org/projects/dt.esmf/). It is based on the Semantic Aspect Meta
+Model (SAMM) and supports its use.
+
+# Contributing Source Code (using GitHub)
+
+* We use this GitHub repository to track issues and feature requests.
+* For discussions specific to development, the preferred way is
+  the [developer mailing list](https://accounts.eclipse.org/mailing-list/esmf-dev).
+
+## Branching
+
+We follow
+the [Git branching guidance](https://docs.microsoft.com/en-us/azure/devops/repos/git/git-branching-guidance?view=azure-devops).
+
+More specifically the repository has the following branches:
+
+ name of branch                    | description                                                      
+-----------------------------------|------------------------------------------------------------------
+ `main`                            | Contains the latest state of the repository                      
+ `v{version_number}-RC{rc_number}` | A "release candidate": A version that freezes major features and 
+
+can be considered a pre-release of the next full release.
+`v{version_number}` | A full release of the respective version.
+`feature/#{issue_number}-{feature_name}` | Contains the development on a specific feature and is
+intended to be merged back into the `main` branch as soon as possible. Note, that it is recommended
+for contributors to create and develop feature branches in a personal fork and not the upstream
+repository.
+`bug/#{issue_number}-{bug_name}` | Contains the development of (usually smaller) changes in files of
+the repository that do not introduce new functionality but fix mistakes, errors or inconsistencies.
+These branches should be merged back into the `main`branch as soon as possible.
+
+## Issues
+
+We use the `Issues` feature of GitHub for tracking all types of work in the repository.
+
+We distinguish between the following types of issues;
+
+ Issue Types  | Description                                                                             
+--------------|-----------------------------------------------------------------------------------------
+ `Bug Report` | This `Issue` is dedicated to reporting a problem.                                       
+ `Task`       | This `Issue` is used for describing and proposing a new work item (e.g., a new feature) 
+
+If there are issues that link to the same topic, the creator of the issue shall mention those other tasks in the
+description. To group tasks that can belong together, one could further create an issue mentioning and describing
+the overall user story for the referenced tasks.
+
+## Pull Requests
+
+Proposals for changes to the content of the repository are managed through Pull Requests (`PRs`).
+
+### Opening Pull Requests
+
+To open such a `PR`, implement the changes in a new `feature branch`. Each `PR` must reference an issue and follows the
+naming schema: `<issue-number>-<feature-name>`. For a new `PR` the target branch is the `main` branch while the source
+branch is your `feature branch` The `feature branch` branch should be developed in a fork of the upstream repository.
+So before working on your first feature, you need to create such a fork (e.g., by pressing the `Fork` button in the top
+right corner of the GitHub page)
+
+When opening a `PR` please consider the following topics:
+
+* optional: Rebase your development on the branch to which you plan to create the `PR`.
+* Each `PR` must be linked to an `Issue`:
+  - Reference the `Issue` number in the name of your `feature branch` and the description of the `PR`.
+  - Mention the `Issue` in one of the commit messages associated to the `PR` together with a GitHub keyword like
+    `closes #IssueNumber` or `fixes #IssuesNumber`. For more details visit the
+    [GitHub documentation on linking PR with Issues](https://docs.github.com/en/github/managing-your-work-on-github/linking-a-pull-request-to-an-issue#linking-a-pull-request-to-an-issue-using-a-keyword)
+* Each `PR` should only contain changes related to a single work item. If the changes cover more than one work item or
+  feature, then create one `PR` per work item. You may need to create new more specific `Issues` to reference if you
+  split up the work into multiple `feature branches`.
+* Commit changes often. A `PR` may contain one or more commits.
+
+## Eclipse Development Process
+
+This Eclipse Foundation open project is governed by the Eclipse Foundation Development Process and
+operates under the terms of the Eclipse IP Policy.
+
+* https://eclipse.org/projects/dev_process
+* https://www.eclipse.org/org/documents/Eclipse_IP_Policy.pdf
+
+## Eclipse Contributor Agreement
+
+In order to be able to contribute to Eclipse Foundation projects you must electronically sign the
+Eclipse Contributor Agreement (ECA).
+
+* http://www.eclipse.org/legal/ECA.php
+
+The ECA provides the Eclipse Foundation with a permanent record that you agree that each of your
+contributions will comply with the commitments documented in the Developer Certificate of Origin
+(DCO). Having an ECA on file associated with the email address matching the "Author" field of your
+contribution's Git commits fulfills the DCO's requirement that you sign-off on your contributions.
+
+For more information, please see the Eclipse Committer Handbook:
+https://www.eclipse.org/projects/handbook/#resources-commit
+
+## Commit Messages
+
+Separate the subject from the body with a blank line because the subject line is shown in the Git
+history and should summarize the commit body. Use the body to explain what and why with less focus
+on the details of the how. This [blog post](https://chris.beams.io/posts/git-commit/#seven-rules)
+has more tips and details. Before you push your commits to a repository, you should squash your
+commits into one or more logical units of work, e.g., you should organize a new feature in a single
+commit.
+
+## License Headers & Licensing
+
+All files contributed require headers - this will ensure the license and copyright clearing at the
+end. Also, all contributions must have the same license as the source. The header should follow the
+following template:
+
+```
+/*
+ * Copyright (c) {YEAR} {NAME OF COMPANY X} 
+ * Copyright (c) {YEAR} {NAME OF COMPANY Y} 
+ *
+ * See the AUTHORS file(s) distributed with this work for additional
+ * information regarding authorship.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ */
+```
+
+When using the template, one must replace "{NAME OF COMPANY X}" with the name of the involved
+companies and "{YEAR}" with the year of the contribution. For each involved company you need a new
+line starting with "Copyright" as outlined in the example.
+
+The example is taken from a Java source file. If your file is of another type you may have to adapt
+the comment syntax accordingly.
+
+If you use third-party content (e.g., import / include ...), you are required to list each
+third-party content explicitly with its version number in the documentation and your pull-request
+comment. Please also check used third party material for license compatibility with the MPL-2.0.
+E.g. software licensed under GPL, AGPL or, a similar strong copy-left license cannot be approved.
+
+# Code Conventions
+
+The ESMF Visual Studio Code Plugin is written in Typescript. Please have a look into our [Code
+Conventions](CONVENTIONS.md).
+
+## Versioning
+
+We use Semantic Versioning to identify released versions of the ESMF Visual Studio Code Plugin. Semantic Versioning
+is
+documented [here](https://semver.org). It proposes to have a versioning number with the following
+elements:
+
+````
+Given a version number MAJOR.MINOR.PATCH, increment the:
+- MAJOR version when you make incompatible API changes,
+- MINOR version when you add functionality in a backwards compatible manner, and
+- PATCH version when you make backwards compatible bug fixes.
+Additional labels for pre-release and build metadata are available as extensions to the MAJOR.MINOR.PATCH format.
+````
+
+Whereas the Major version must be incremented if the API has backward-incompatible changes (e.g., has breaking changes),
+the Minor version must be changed if new backward-compatible features are introduced and,
+the Patch version must be incremented if backward-compatible bugfixes are introduced.
+
+### Breaking Changes
+
+For the definition of a breaking change, we follow the definition as in the [Microsoft REST API
+Guidelines](https://github.com/Microsoft/api-guidelines/blob/vNext/Guidelines.md#123-definition-of-a-breaking-change)
+which are licensed under [CC-BY-4.0](https://creativecommons.org/licenses/by/4.0). This definition
+states:
+
+````
+Changes to the contract of an API are considered a breaking change. Changes that impact the backwards compatibility 
+of an API are a breaking change.
+`````
+
+### Version Syntax for Specific Environments
+
+Git version tag
+
+vX.Y.Z-[pre-release-identifier]
+
+Examples:
+
+v1.0.0-RC1, v1.0.0
+
+# Resources
+
+* [For a Repo](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request-from-a-fork)
+* [Issue Creation](https://help.github.com/en/github/managing-your-work-on-github/creating-an-issue)
+* [PR Creation](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request)

extension/CONVENTIONS.md

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+# ESMF Code Conventions
+The following document contains a compilation of conventions and guidelines to format, structure and
+write code for the ESMF Visual Studio Code Plugin schematics.
+
+## General Conventions
+
+Our code conventions are based on the [Google Typescript Style Guide](https://google.github.io/styleguide/tsguide.html)
+but
+detailed and adjusted for the needs of the ESMF Visual Studio Code Plugin JS schematics.
+
+## Copyright header
+See [CONTRIBUTING](CONTRIBUTING.md)
+
+## Code Recommendations
+
+This project uses the library [Prettier](https://www.npmjs.com/package/prettier) and should also be created with it, so
+that a clear code can be created.
+
+## Documentation
+
+### Developer Documentation
+Developer documentation is put into a README.md placed in the project root. This should contain documentation like:
+* Checking out the source code and getting it to run/build
+* Mandatory (external system) dependencies and how to set them up (e.g. databases)
+* Configuration options and how to apply them
+* General important concepts that are relevant to working on the project but are not directly obvious from the source code
+  itself. Links to further readings and information, e.g. wiki or other external sources.
+