├── .prettierignore ├── .gitignore ├── .prettierrc ├── .eslintrc.js ├── .editorconfig ├── src ├── convertToObject.js ├── stylesString.js └── convertToObject.test.js ├── .github └── workflows │ └── test.yml ├── checklist.md ├── package.json ├── readme.md └── LICENSE /.prettierignore: -------------------------------------------------------------------------------- 1 | /node_modules 2 | /dist 3 | **/*.test.js 4 | 5 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # IDE 2 | .idea 3 | .vscode 4 | 5 | # Node 6 | node_modules 7 | 8 | # MacOS 9 | .DS_Store 10 | -------------------------------------------------------------------------------- /.prettierrc: -------------------------------------------------------------------------------- 1 | { 2 | "tabWidth": 2, 3 | "useTabs": false, 4 | "semi": true, 5 | "singleQuote": true, 6 | "trailingComma": "all", 7 | "printWidth": 80 8 | } 9 | -------------------------------------------------------------------------------- /.eslintrc.js: -------------------------------------------------------------------------------- 1 | module.exports = { 2 | extends: '@mate-academy/eslint-config', 3 | env: { 4 | jest: true 5 | }, 6 | rules: { 7 | 'no-proto': 0 8 | }, 9 | plugins: ['jest'] 10 | }; 11 | -------------------------------------------------------------------------------- /.editorconfig: -------------------------------------------------------------------------------- 1 | #airbnb 2 | root = true 3 | 4 | [*] 5 | indent_style = space 6 | indent_size = 2 7 | charset = utf-8 8 | trim_trailing_whitespace = true 9 | insert_final_newline = true 10 | end_of_line = lf 11 | -------------------------------------------------------------------------------- /src/convertToObject.js: -------------------------------------------------------------------------------- 1 | 'use strict'; 2 | 3 | /** 4 | * @param {string} sourceString 5 | * 6 | * @return {object} 7 | */ 8 | function convertToObject(sourceString) { 9 | // write your code here 10 | } 11 | 12 | module.exports = convertToObject; 13 | -------------------------------------------------------------------------------- /.github/workflows/test.yml: -------------------------------------------------------------------------------- 1 | name: Test 2 | 3 | on: 4 | pull_request: 5 | branches: [ master ] 6 | 7 | jobs: 8 | build: 9 | 10 | runs-on: ubuntu-latest 11 | 12 | strategy: 13 | matrix: 14 | node-version: [20.x] 15 | 16 | steps: 17 | - uses: actions/checkout@v2 18 | - name: Use Node.js ${{ matrix.node-version }} 19 | uses: actions/setup-node@v1 20 | with: 21 | node-version: ${{ matrix.node-version }} 22 | - run: npm install 23 | - run: npm test 24 | -------------------------------------------------------------------------------- /src/stylesString.js: -------------------------------------------------------------------------------- 1 | 'use strict'; 2 | 3 | const complexStylesString = ` 4 | background-color: #fff; 5 | -webkit-border-radius: 5px; 6 | border-radius : 5px; 7 | border: 1px solid #e8e8e8; 8 | -webkit-box-sizing: border-box; 9 | box-sizing: border-box; 10 | clear : both ; 11 | cursor: pointer; 12 | float: left; 13 | font-family: inherit; 14 | font-size: 14px; 15 | font-weight: 400; 16 | height: 42px; 17 | line-height: 40px; 18 | outline: 0; 19 | padding-left : 18px; 20 | padding-right: 30px; 21 | ; 22 | 23 | ; 24 | position: relative; 25 | 26 | 27 | text-align: left !important; 28 | -webkit-transition: all .2s ease-in-out; 29 | transition: all .2s ease-in-out; 30 | -moz-user-select: none; 31 | -ms-user-select: none; 32 | user-select: none; 33 | 34 | 35 | white-space: nowrap; 36 | width: auto; 37 | `; 38 | 39 | module.exports = complexStylesString; 40 | -------------------------------------------------------------------------------- /checklist.md: -------------------------------------------------------------------------------- 1 | 1. [CODE KNOWLEDGE] - Don't use iteration methods to modify an already existing array/object. (forEach is exception). These methods return a new array, so you should use it. 2 | 2. [CODE STYLE] - Avoid variable namings like `array` , `object` `arr`, `obj`, `result`. It will decrease code readability 3 | 3. [CODE KNOWLEDGE] - Don't need to make copy before each operation. Moreover, methods like `filter` or `map` don't mutate original array. 4 | 4. [CODE STYLE] - All chained methods called on the same level should have same indentation. This makes code much more readable. 5 | 6 | 7 | BAD EXAMPLE: 8 | ``` 9 | const cssStyles = styles.map(style => style).filter(style => style.length).slice(0, 5) 10 | ``` 11 | 12 | GOOD EXAMPLE: 13 | ``` 14 | const cssStyles = styles 15 | .map(style => style) 16 | .filter(style => style.length) 17 | .slice(0, 5) 18 | ``` 19 | 5. [CODE PRACTICE] - Avoid using loops in this task, use iteration methods instead. 20 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "style-to-object", 3 | "version": "1.0.0", 4 | "description": "Convert style string to object", 5 | "main": "src/convertToObject.js", 6 | "scripts": { 7 | "init": "mate-scripts init", 8 | "start": "mate-scripts start", 9 | "format": "prettier --ignore-path .prettierignore --write './src/**/*.{html,css,scss,js}'", 10 | "lint": "npm run format && mate-scripts lint", 11 | "test:only": "mate-scripts test", 12 | "update": "mate-scripts update", 13 | "postinstall": "npm run update", 14 | "test": "npm run lint && npm run test:only" 15 | }, 16 | "author": "Mate academy", 17 | "license": "GPL-3.0", 18 | "devDependencies": { 19 | "@mate-academy/eslint-config": "latest", 20 | "@mate-academy/scripts": "^1.8.6", 21 | "eslint": "^8.57.0", 22 | "eslint-plugin-jest": "^28.6.0", 23 | "eslint-plugin-node": "^11.1.0", 24 | "jest": "^29.7.0", 25 | "prettier": "^3.3.2" 26 | }, 27 | "mateAcademy": { 28 | "projectType": "javascript" 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | # Convert Style String to Object 2 | 3 | > [JS Task Guideline](https://github.com/mate-academy/js_task-guideline/blob/master/README.md) 4 | 5 | ## Task description: 6 | 7 | Implement a `convertToObject` function that takes a string with styles and returns an object where CSS declarations are converted to keys and values. 8 | 9 | Example: 10 | 11 | ```javascript 12 | 'use strict'; 13 | 14 | const complexStylesString = ` 15 | background-color: #fff; 16 | -webkit-border-radius: 5px; 17 | border-radius : 5px; 18 | border: 1px solid #e8e8e8; 19 | -webkit-box-sizing: border-box; 20 | box-sizing: border-box; 21 | clear : both ; 22 | cursor: pointer; 23 | float: left; 24 | font-family: inherit; 25 | font-size: 14px; 26 | font-weight: 400; 27 | height: 42px; 28 | line-height: 40px; 29 | outline: 0; 30 | padding-left : 18px; 31 | padding-right: 30px; 32 | ; 33 | 34 | ; 35 | position: relative; 36 | 37 | 38 | text-align: left !important; 39 | -webkit-transition: all .2s ease-in-out; 40 | transition: all .2s ease-in-out; 41 | -moz-user-select: none; 42 | -ms-user-select: none; 43 | user-select: none; 44 | 45 | 46 | white-space: nowrap; 47 | width: auto; 48 | `; 49 | 50 | const result = convertToObject(complexStylesString); 51 | 52 | console.log(result === { 53 | 'background-color': '#fff', 54 | '-webkit-border-radius': '5px', 55 | 'border-radius': '5px', 56 | border: '1px solid #e8e8e8', 57 | '-webkit-box-sizing': 'border-box', 58 | 'box-sizing': 'border-box', 59 | clear: 'both', 60 | cursor: 'pointer', 61 | float: 'left', 62 | 'font-family': 'inherit', 63 | 'font-size': '14px', 64 | 'font-weight': '400', 65 | height: '42px', 66 | 'line-height': '40px', 67 | outline: '0', 68 | 'padding-left': '18px', 69 | 'padding-right': '30px', 70 | position: 'relative', 71 | 'text-align': 'left !important', 72 | '-webkit-transition': 'all .2s ease-in-out', 73 | transition: 'all .2s ease-in-out', 74 | '-moz-user-select': 'none', 75 | '-ms-user-select': 'none', 76 | 'user-select': 'none', 77 | 'white-space': 'nowrap', 78 | width: 'auto', 79 | }) // outputs true; 80 | ``` 81 | -------------------------------------------------------------------------------- /src/convertToObject.test.js: -------------------------------------------------------------------------------- 1 | 'use strict'; 2 | 3 | const convertToObject = require('./convertToObject'); 4 | const complexStylesString = require('./stylesString'); 5 | 6 | describe('convertToObject should', () => { 7 | it('convert an empty string to an empty object', () => { 8 | expect(convertToObject('')).toEqual({}); 9 | }); 10 | 11 | it('convert a single rule to a single object property', () => { 12 | expect(convertToObject('padding: 20px')).toEqual({ padding: '20px' }); 13 | }); 14 | 15 | it('convert a single rule with ; at the end', () => { 16 | expect(convertToObject('position: absolute;')).toEqual({ 17 | position: 'absolute', 18 | }); 19 | }); 20 | 21 | it('support values with spaces', () => { 22 | expect(convertToObject('margin: 0 auto;')).toEqual({ margin: '0 auto' }); 23 | }); 24 | 25 | it('support properties with dashes', () => { 26 | expect(convertToObject('font-size: 2rem;')).toEqual({ 27 | 'font-size': '2rem', 28 | }); 29 | }); 30 | 31 | it('ignore spaces around the rule', () => { 32 | expect(convertToObject(' position: fixed; ')).toEqual({ 33 | position: 'fixed', 34 | }); 35 | }); 36 | 37 | it('ignore extra spaces around property names', () => { 38 | expect(convertToObject(' color : #00f;')).toEqual({ color: '#00f' }); 39 | }); 40 | 41 | it('ignore extra spaces around values', () => { 42 | expect( 43 | convertToObject('background-color: rebeccapurple ;'), 44 | ).toEqual({ 'background-color': 'rebeccapurple' }); 45 | }); 46 | 47 | it('ignore tab characters', () => { 48 | expect( 49 | convertToObject( 50 | ' \t \t border-color \t \t : \t \t yellowgreen \t ; \t', 51 | ), 52 | ).toEqual({ 'border-color': 'yellowgreen' }); 53 | }); 54 | 55 | it('ignore line break characters', () => { 56 | expect( 57 | convertToObject( 58 | ' \n \n border \n \n : \n \n 3px solid green \n ; \n', 59 | ), 60 | ).toEqual({ border: '3px solid green' }); 61 | }); 62 | 63 | it('keep extra spaces inside values', () => { 64 | expect(convertToObject('margin: 0 auto;')).toEqual({ 65 | margin: '0 auto', 66 | }); 67 | }); 68 | 69 | it('convert several rules written in 1 line', () => { 70 | expect(convertToObject('display: block; margin: 10% auto;')).toEqual({ 71 | display: 'block', 72 | margin: '10% auto', 73 | }); 74 | }); 75 | 76 | it('ignore extra semicolons', () => { 77 | expect( 78 | convertToObject(';; ;display: flex; ; ; margin: 1rem; ; ; '), 79 | ).toEqual({ 80 | display: 'flex', 81 | margin: '1rem', 82 | }); 83 | }); 84 | 85 | it('convert mutiline string', () => { 86 | expect( 87 | convertToObject(` 88 | box-sizing: border-box; 89 | padding: 0.5em 0.75em; 90 | `), 91 | ).toEqual({ 92 | 'box-sizing': 'border-box', 93 | padding: '0.5em 0.75em', 94 | }); 95 | }); 96 | 97 | it('ignore empty lines', () => { 98 | expect( 99 | convertToObject(` 100 | 101 | 102 | box-sizing: border-box; 103 | 104 | 105 | width: 300px; 106 | 107 | aspect-ration: 1; 108 | 109 | `), 110 | ).toEqual({ 111 | 'box-sizing': 'border-box', 112 | width: '300px', 113 | 'aspect-ration': '1', 114 | }); 115 | }); 116 | 117 | it('support multiline values', () => { 118 | expect( 119 | convertToObject(` 120 | box-shadow: 121 | inset 0 -3em 3em rgb(0 200 0 / 30%), 122 | 0 0 0 2px white, 123 | 0.3em 0.3em 1em rgb(200 0 0 / 60%); 124 | `), 125 | ).toEqual({ 126 | 'box-shadow': `inset 0 -3em 3em rgb(0 200 0 / 30%), 127 | 0 0 0 2px white, 128 | 0.3em 0.3em 1em rgb(200 0 0 / 60%)`, 129 | }); 130 | }); 131 | 132 | it('convert a complex CSS rule', () => { 133 | expect(convertToObject(complexStylesString)).toEqual({ 134 | 'background-color': '#fff', 135 | '-webkit-border-radius': '5px', 136 | 'border-radius': '5px', 137 | border: '1px solid #e8e8e8', 138 | '-webkit-box-sizing': 'border-box', 139 | 'box-sizing': 'border-box', 140 | clear: 'both', 141 | cursor: 'pointer', 142 | float: 'left', 143 | 'font-family': 'inherit', 144 | 'font-size': '14px', 145 | 'font-weight': '400', 146 | height: '42px', 147 | 'line-height': '40px', 148 | outline: '0', 149 | 'padding-left': '18px', 150 | 'padding-right': '30px', 151 | position: 'relative', 152 | 'text-align': 'left !important', 153 | '-webkit-transition': 'all .2s ease-in-out', 154 | transition: 'all .2s ease-in-out', 155 | '-moz-user-select': 'none', 156 | '-ms-user-select': 'none', 157 | 'user-select': 'none', 158 | 'white-space': 'nowrap', 159 | width: 'auto', 160 | }); 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No Surrender of Others' Freedom. 541 | 542 | If conditions are imposed on you (whether by court order, agreement or 543 | otherwise) that contradict the conditions of this License, they do not 544 | excuse you from the conditions of this License. If you cannot convey a 545 | covered work so as to satisfy simultaneously your obligations under this 546 | License and any other pertinent obligations, then as a consequence you may 547 | not convey it at all. For example, if you agree to terms that obligate you 548 | to collect a royalty for further conveying from those to whom you convey 549 | the Program, the only way you could satisfy both those terms and this 550 | License would be to refrain entirely from conveying the Program. 551 | 552 | 13. Use with the GNU Affero General Public License. 553 | 554 | Notwithstanding any other provision of this License, you have 555 | permission to link or combine any covered work with a work licensed 556 | under version 3 of the GNU Affero General Public License into a single 557 | combined work, and to convey the resulting work. The terms of this 558 | License will continue to apply to the part which is the covered work, 559 | but the special requirements of the GNU Affero General Public License, 560 | section 13, concerning interaction through a network will apply to the 561 | combination as such. 562 | 563 | 14. Revised Versions of this License. 564 | 565 | The Free Software Foundation may publish revised and/or new versions of 566 | the GNU General Public License from time to time. Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | --------------------------------------------------------------------------------