feat: first commit

.editorconfig

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+# top-most EditorConfig file
+root = true
+
+# all files
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+max_line_length = 80
+
+[*.{js,ts}]
+quote_type = single
+curly_bracket_next_line = false
+spaces_around_brackets = inside
+indent_brace_style = BSD KNF
+
+# HTML
+[*.html]
+quote_type = double

.github/CONTRIBUTING.md

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+# Contributing
+
+First of all, thanks for your interest in contributing to the fifo-capital-gains-js! 🎉
+
+PRs are the preferred way to spike ideas and address issues, if you have time. If you plan on contributing frequently, please feel free to ask to become a maintainer; the more the merrier. 🤙
+
+## Technical overview
+
+This library uses following libraries for development:
+
+- [typescript](http://www.typescriptlang.org/) for typed JavaScript and transpilation
+- [jest](https://jestjs.io/) for unit testing
+  - run `npm run test:watch` during development
+- [rollup](https://rollupjs.org/guide/en) for creating UMD bundles
+- [npm](https://www.npmjs.com/) for package management
+- [npm scripts](https://docs.npmjs.com/misc/scripts) for executing tasks
+
+### 🧪 Tests
+
+Test are written and run via Jest 💪
+
+```sh
+# Run whole test suite once
+npm test
+# Run test in watch mode
+npm run test:watch
+# Generate code coverage
+npm run test:coverage
+```
+
+### 💅 Style guides
+
+Style guides are enforced by robots _(I meant prettier and tslint of course 🤖 )_, so they'll let you know if you screwed something, but most of the time, they'll autofix things for you. Magic right ?
+
+Lint and format codebase via npm-script:
+
+```sh
+#Format and fix lint errors
+npm run style:fix
+```
+
+#### Commit conventions (via commitizen)
+
+- this is preferred way how to create conventional-changelog valid commits
+- if you prefer your custom tool we provide a commit hook linter which will error out, it you provide invalid commit message
+- if you are in rush and just wanna skip commit message validation just prefix your message with `WIP: something done` ( if you do this please squash your work when you're done with proper commit message so standard-version can create Changelog and bump version of your library appropriately )
+
+```sh
+# invoke [commitizen CLI](https://github.com/commitizen/cz-cli)
+npm run commit
+```
+
+## Getting started
+
+### Creating a Pull Request
+
+If you've never submitted a Pull request before please visit http://makeapullrequest.com/ to learn everything you need to know.
+
+#### Setup
+
+1.  Fork the repo.
+1.  `git clone` your fork.
+1.  Make a `git checkout -b branch-name` branch for your change.
+1.  Run `npm install` (make sure you have node and npm installed first)
+    Updates
+
+1.  Make sure to add unit tests
+1.  If there is a `*.spec.ts` file, update it to include a test for your change, if needed. If this file doesn't exist, please create it.
+1.  Run `npm test` or `npm run test:watch` to make sure all tests are working, regardless if a test was added.
+
+---
+
+## 🚀 Publishing
+
+> releases are handled by awesome [standard-version](https://github.com/conventional-changelog/standard-version)
+
+> #### NOTE:
+>
+> you have to create npm account and register token on your machine
+> 👉 `npm adduser`
+>
+> If you are using scope (you definitely should 👌) don't forget to [`--scope`](https://docs.npmjs.com/cli/adduser#scope)
+
+Execute `npm run release` which will handle following tasks:
+
+- bump package version and git tag
+- update/(create if it doesn't exist) CHANGELOG.md
+- push to github master branch + push tags
+- publish build packages to npm
+
+> releases are handled by awesome [standard-version](https://github.com/conventional-changelog/standard-version)
+
+### Initial Release (no package.json version bump):
+
+```sh
+npm run release --first-release
+```
+
+### Pre-release
+
+- To get from `1.1.2` to `1.1.2-0`:
+
+`npm run release --prerelease`
+
+- **Alpha**: To get from `1.1.2` to `1.1.2-alpha.0`:
+
+`npm run release --prerelease alpha`
+
+- **Beta**: To get from `1.1.2` to `1.1.2-beta.0`:
+
+`npm rum release --prerelease beta`
+
+### Dry run
+
+#### version bump + changelog
+
+```sh
+# See what next release version would be with updated changelog
+npm run standard-version --dry-run
+```
+
+#### npm publish
+
+```sh
+# check what files are gonna be published to npm
+npm run release:preflight
+```
+
+## License
+
+By contributing your code to the fifo-capital-gains-js GitHub Repository, you agree to license your contribution under the MIT license.

.github/ISSUE_TEMPLATE.md

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+<!-- -------------------------------------------------- -->
+<!--  Delete this section if this is a feature request. -->
+<!-- -------------------------------------------------- -->
+
+## Bug report
+
+- fifo-capital-gains-js version: _x.x.x_ (<!-- (run `npm list fifo-capital-gains-js` from a terminal/cmd prompt): -->)
+- Affected browsers (and versions): _IE 10_
+
+### Current behaviour
+
+<!-- Please explain the problem you're having -->
+
+```ts
+// put code here
+```
+
+<!-- Having a real demo that demonstrates your issue  -->
+
+[issue demo](https://codesandbox.io/)
+
+### Expected behaviour
+
+_Please explain how you'd expect it to behave._
+
+<!-- -------------------------------------------- -->
+<!-- Delete this section if this is a bug report. -->
+<!-- -------------------------------------------- -->
+
+## Feature request
+
+### Use case(s)
+
+_Explain the rationale for this feature._

.github/PULL_REQUEST_TEMPLATE.md

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+_If there is a linked issue, mention it here._
+
+- [ ] Bug
+- [ ] Feature
+
+## Requirements
+
+- [ ] Read the [contribution guidelines](./.github/CONTRIBUTING.md).
+- [ ] Wrote tests.
+- [ ] Updated docs and upgrade instructions, if necessary.
+
+## Rationale
+
+_Why is this PR necessary?_
+
+## Implementation
+
+_Why have you implemented it this way? Did you try any other methods?_
+
+## Open questions
+
+_Are there any open questions about this implementation that need answers?_
+
+## Other
+
+_Is there anything else we should know? Delete this section if you don't need it._
+
+## Tasks
+
+_List any tasks you need to do here, if any. Delete this section if you don't need it._
+
+- [ ] _Example task._

.gitignore

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+*.log
+.idea
+.DS_Store
+.cache
+node_modules
+
+coverage
+lib
+esm5
+lib-esm
+esm2015
+lib-fesm
+fesm
+umd
+bundles
+typings
+types
+docs
+dist
+
+## this is generated by `npm pack`
+*.tgz
+package

.npmignore

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+.*
+*.log
+
+# tools configs
+**/tsconfig.json
+tsconfig.*.json
+tslint.json
+**/webpack.config.js
+**/jest.config.js
+**/prettier.config.js
+
+# build scripts
+config/
+scripts/
+
+# Test files
+**/*.spec.js
+**/*.test.js
+**/*.test.d.ts
+**/*.spec.d.ts
+__tests__
+coverage
+
+# Sources
+node_modules
+src
+docs
+examples
+
+## this is generated by `npm pack`
+*.tgz
+package

.npmrc

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+access=public
+save-exact=true

.prettierignore

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+node_modules
+dist

.prettierrc

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+{
+  "singleQuote": true,
+  "arrowParens": "always",
+  "semi": false,
+  "bracketSpacing": true,
+  "trailingComma": "es5",
+  "printWidth": 80
+}

.vscode/extensions.json

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+{
+  // See http://go.microsoft.com/fwlink/?LinkId=827846
+  // for the documentation about the extensions.json format
+  "recommendations": [
+    // Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
+    "esbenp.prettier-vscode",
+    "codezombiech.gitignore",
+    "EditorConfig.EditorConfig"
+  ]
+}

.vscode/settings.json

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+// Place your settings in this file to overwrite default and user settings.
+{
+  "editor.formatOnSave": true,
+  "typescript.format.enable": false,
+  "javascript.format.enable": false,
+  "typescript.implementationsCodeLens.enabled": true,
+  "typescript.referencesCodeLens.enabled": true,
+  "javascript.referencesCodeLens.enabled": true,
+  "editor.rulers": [
+    80,100
+  ],
+  "typescript.tsdk": "node_modules/typescript/lib",
+  "files.associations": {
+    "tslint*.json": "jsonc"
+  }
+}

LICENSE.md

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+MIT License
+
+Copyright (c) 2018 Bernardo Belchior <bernardo.belchior1@gmail.com>
+
+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.