First commit

.gitignore

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+coverage
+node_modules
+build
+npm-debug.log
+.env
+.DS_Store
+.npmrc

.travis.yml

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+dist: xenial
+
+os: linux
+
+language: node_js
+
+node_js:
+  - node
+  - lts/*
+  - 14
+  - 13
+  - 12
+  - 11
+  - 10
+
+deploy:
+  provider: npm
+  email: ${NPM_EMAIL}
+  api_token: ${NPM_API_TOKEN}
+  on:
+    tags: true
+    condition: $TRAVIS_NODE_VERSION = "12"
+
+install:
+  - npm install
+
+script:
+  - npm run cover
+
+after_success:
+  - |
+    if [[ $TRAVIS_NODE_VERSION == "12" ]]; then
+      cat coverage/lcov.info | node_modules/coveralls/bin/coveralls.js;
+    fi

CHANGELOG.md

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+# 0.1.0
++ First version

CODE_OF_CONDUCT.md

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+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+ advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+ address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+ professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at 2634842+sineverba@users.noreply.github.com. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

CONTRIBUTING.md

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+# Contributing
+
+Contributions are **welcome** and will be fully **credited**. This page details how to 
+contribute and the expected code quality for all contributions.
+
+## Pull Requests
+
+We accept contributions via Pull Requests.
+
+- **Add tests!** - Your patch won't be accepted if it doesn't have tests. Continuous Integrations are enabled, so your PR need to pass them before accepted.
+
+- **Document any change in behaviour** - Make sure the `README.md` and any other relevant documentation are kept up-to-date.
+
+- **Consider our release cycle** - We try to follow [SemVer v2.0.0](http://semver.org/). Randomly breaking public APIs is not an option.
+
+- **Create feature branches** - Don't ask us to pull from your master branch.
+
+   - Create a branch `feature-myawesomefeature` or `hotfix-myhotfix` from `develop`
+   - Push your branch against `develop` branch.
+
+- **One pull request per feature** - If you want to do more than one thing, send multiple pull requests.
+
+- **Send coherent history** - Make sure each individual commit in your pull request is meaningful. If you had to make multiple intermediate commits while developing, please [squash them](http://www.git-scm.com/book/en/v2/Git-Tools-Rewriting-History#Changing-Multiple-Commit-Messages) before submitting.
+
+
+
+**Happy coding**!

LICENSE

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+The MIT License
+
+Copyright (c) 2020 sineverba
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+Years Interval
+==============
+
+| CI / CD | Status |
+| ------- | ------ |
+| Travis | [![Build Status](https://travis-ci.com/sineverba/npm-pkg-year-interval.svg?branch=master)](https://travis-ci.com/sineverba/npm-pkg-year-interval) |
+| Coverall | [![Coverage Status](https://coveralls.io/repos/github/sineverba/npm-pkg-year-interval/badge.svg?branch=master)](https://coveralls.io/github/sineverba/npm-pkg-year-interval?branch=master) |
+
+`years interval` returns current year or a string made by a year start + current year.
+
+Useful to use in copyright section ("Copyright 2018-2020 by Acme INC").
+
+"2018-2020" in previous example is string returned.
+
+## Installation
+`npm install @sineverba/year-interval`
+
+## Usage
+
+(In following examples current year is assumed as 2020)
+
+```js
+var interval = require('@sineverba/year-interval');
+var yearInterval = interval("2020");
+console.log(yearInterval); // returns 2020
+var newYearInterval = interval("2018");
+console.log(newYearInterval); // returns 2018-2020
+// on next year...
+console.log(yearInterval); // returns 2020-2021
+console.log(newYearInterval); // returns 2018-2021
+```
+
+## Tests
+
+`npm test` for simple test
+
+`npm cover` for coverage

index.js

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+'use strict';
+
+/**
+ * 
+ * @param {*} startYear 
+ */
+const getYearInterval = (startYear) => {
+    if (!startYear) {
+        throw new Error('Missing startYear');
+    }
+    const currentYear = new Date().getFullYear();
+    if (currentYear > startYear) {
+        return `${startYear} - ${currentYear}`;
+    }
+    return startYear;
+}
+
+module.exports = getYearInterval;