feat: basic support for common languages

.editorconfig

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+# Editor configuration, see http://editorconfig.org
+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = off
+trim_trailing_whitespace = false
+
+[*.ts]
+indent_size = 4
+quote_type = single
+curly_bracket_next_line = true
+indent_brace_style = Allman
+spaces_around_operators = true
+spaces_around_brackets = inside
+continuation_indent_size = 4

.gitattributes

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+# Automatically normalize line endings for all text-based files
+# http://git-scm.com/docs/gitattributes#_end_of_line_conversion
+* text=auto
+
+# For the following file types, normalize line endings to LF on
+# checkin and prevent conversion to CRLF when they are checked out
+# (this is required in order to prevent newline related issues like,
+# for example, after the build script is run)
+.*      text eol=lf
+*.css   text eol=lf
+*.sass  text eol=lf
+*.less  text eol=lf
+*.scss  text eol=lf
+*.html  text eol=lf
+*.js    text eol=lf
+*.ts    text eol=lf
+*.json  text eol=lf
+*.md    text eol=lf
+*.sh    text eol=lf
+*.txt   text eol=lf
+*.xml   text eol=lf
+*.yaml  text eol=lf
+
+# Exclude the `.htaccess` file from GitHub's language statistics
+# https://github.com/github/linguist#using-gitattributes
+dist/.htaccess linguist-vendored

.gitignore

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+# Node
+node_modules
+npm-debug.log
+
+# JetBrains
+.idea
+.project
+.settings
+*.iml
+
+# VS Code
+.vscode
+
+# Windows
+Thumbs.db
+Desktop.ini
+
+# Mac
+.DS_Store
+**/.DS_Store
+
+# Build files
+dist
+
+yarn-error.log
+package-lock.json

.npmignore

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+# Node
+node_modules/*
+npm-debug.log
+docs/*
+# DO NOT IGNORE TYPESCRIPT FILES FOR NPM
+# TypeScript
+# *.js
+# *.map
+# *.d.ts
+
+# JetBrains
+.idea
+.project
+.settings
+.idea/*
+*.iml
+
+# VS Code
+.vscode/*
+
+# Windows
+Thumbs.db
+Desktop.ini
+
+# Mac
+.DS_Store
+**/.DS_Store
+
+# Ngc generated files
+**/*.ngfactory.ts
+
+# Library files
+src/*
+src/ngx-tree/*
+build/*

.travis.yml

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+dist: trusty
+sudo: false
+
+language: node_js
+node_js:
+  - "8"
+  - "10"
+
+cache:
+  yarn: true
+
+install: yarn
+
+script: yarn test

jest.config.js

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+module.exports = {
+  "testMatch": ["**/test/*.test.js"],
+  "testEnvironment": "node"
+}

lib/css-renderer.js

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+const gonzales = require('gonzales-pe');
+
+const { generateBlockCommentContent } = require('./util')
+
+function render(source, template, syntax = 'css') {
+    const parseTree = gonzales.parse(source, {
+        syntax
+    });
+
+    const commentNode = gonzales.createNode({ syntax, type: 'multilineComment', content: generateBlockCommentContent(template) })
+    const blankLineNode = gonzales.createNode({
+        type: 'space',
+        content: '\n\n'
+    })
+    parseTree.insert(0, blankLineNode)
+    parseTree.insert(0, commentNode)
+
+
+    return parseTree.toString()
+}
+
+module.exports = {
+    render
+}

lib/js-renderer.js

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+const recast = require('recast');
+
+const {generateBlockCommentContent} = require('./util')
+
+const builders = recast.types.builders;
+
+function parse(source, parserType = 'babel') {
+    return recast.parse(source, {
+        parser: require(`recast/parsers/${parserType}`),
+    })
+}
+
+function print(ast) {
+    return recast.print(ast, {
+        lineTerminator: '\n'
+    }).code
+}
+
+function appendCopyright(ast, crText) {
+    const comment = builders.commentBlock(generateBlockCommentContent(crText));
+
+    const firstStatement = ast.program.body[0]
+
+    if(firstStatement) {
+        firstStatement.comments = firstStatement.leadingComments || []
+
+        firstStatement.comments.unshift(comment)
+    }
+
+    return ast
+}
+
+function detectCopyright(ast) {
+    const leadingComment = ast.comments[0]
+
+    if(leadingComment) {
+
+    }
+}
+
+function render(source, template, parserType) {
+    const ast = parse(source, parserType)
+
+    const alteredAst = appendCopyright(ast, template)
+
+    return addBlankLineBetweenCopyrightAndCode(print(alteredAst));
+}
+
+function addBlankLineBetweenCopyrightAndCode(fileString) {
+    return fileString.replace(/\*\/$/m, '*/\n');
+}
+
+module.exports = {
+    render
+};

lib/util.js

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+function generateBlockCommentContent(text, lineChar = '*', needTopChar = true) {
+    return `${needTopChar ? lineChar : ''}\n${text.trim().split('\n').map(line => (` ${lineChar} ${line}`).trimRight()).join('\n')}\n `
+}
+
+module.exports = {
+    generateBlockCommentContent
+}

lib/xml-renderer.js

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+const xmlCommentRegexp = /$(<!--([\s\S]*?)-->)/g;
+
+const xmlCommentContentRegexp = /<!--([\s\S]*?)-->/g;
+
+const { generateBlockCommentContent } = require('./util');
+
+function render(source, template) {
+  const comment = `<!--${generateBlockCommentContent(template, '-', false)}-->\n\n`
+
+  const matches = xmlCommentRegexp.exec(source.trim())
+
+  let result
+
+  if (!matches) {
+    result = comment + source
+  }
+
+  return result
+}
+
+module.exports = {
+  render
+}

lib/yaml-renderer.js

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+const yaml = require('yaml');
+
+function render(source, template) {
+  const templateLines = template.split('\n')
+  const comment = templateLines.map(line => (' ' + line).trimRight()).join('\n')
+
+  const doc = yaml.parseDocument(source, {
+    keepCstNodes: true
+  })
+
+  doc.commentBefore = comment
+
+  const preout = doc.toString()
+
+  const lastTemplateLine = templateLines[templateLines.length - 1]
+
+  return preout.replace(lastTemplateLine, lastTemplateLine + '\n')
+}
+
+module.exports = {
+  render
+}

package.json

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+{
+  "name": "copyrightizen",
+  "version": "1.0.0",
+  "description": "A tool generates designated copyright notice to target files with scope support like Intellij IDEs.",
+  "main": "index.js",
+  "scripts": {
+    "test": "mocha",
+    "jest": "jest"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/e-cloud/copyrightizen.git"
+  },
+  "keywords": [
+    "copyright",
+    "generate",
+    "license"
+  ],
+  "author": "e-cloud <saintscott119@gmail.com>",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/e-cloud/copyrightizen/issues"
+  },
+  "homepage": "https://github.com/e-cloud/copyrightizen#readme",
+  "dependencies": {
+    "@babel/parser": "^7.1.3",
+    "@babel/traverse": "^7.1.4",
+    "@babel/types": "^7.1.3",
+    "fs-extra": "^7.0.0",
+    "glob": "^7.1.3",
+    "gonzales-pe": "^4.2.3",
+    "recast": "^0.16.0",
+    "yaml": "^1.0.0"
+  },
+  "devDependencies": {
+    "chai": "^4.2.0",
+    "chai-files": "^1.4.0",
+    "jest": "^23.6.0",
+    "mocha": "^5.2.0"
+  }
+}

test/__baselines__/css/basic.css

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+/**
+ * Copyright (C) xxx Systems, Inc - All Rights Reserved
+ * Unauthorized copying of this file, via any medium is strictly prohibited
+ * Proprietary and confidential
+ * Written by John Doe <jdoe@heaven.com>, 1984
+ *
+ * From https://softwareengineering.stackexchange.com/a/68150/266765
+ */
+
+body {
+    background-color: lightblue;
+}
+
+h1 {
+    color: navy;
+    margin-left: 20px;
+}

test/__baselines__/html/basic.html

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+<!--
+ - Copyright (C) xxx Systems, Inc - All Rights Reserved
+ - Unauthorized copying of this file, via any medium is strictly prohibited
+ - Proprietary and confidential
+ - Written by John Doe <jdoe@heaven.com>, 1984
+ -
+ - From https://softwareengineering.stackexchange.com/a/68150/266765
+ -->
+
+<!DOCTYPE html>
+<html>
+
+<head>
+  <title>Page Title</title>
+</head>
+
+<body>
+
+  <h1>This is a Heading</h1>
+  <p>This is a paragraph.</p>
+
+</body>
+
+</html>

test/__baselines__/js/basic.js

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+/**
+ * Copyright (C) xxx Systems, Inc - All Rights Reserved
+ * Unauthorized copying of this file, via any medium is strictly prohibited
+ * Proprietary and confidential
+ * Written by John Doe <jdoe@heaven.com>, 1984
+ *
+ * From https://softwareengineering.stackexchange.com/a/68150/266765
+ */
+
+function add(a, b) {
+    return a + b;
+}
+
+module.exports = add;