| 6 | 7 | return text.startsWith(`<${tag}>`); |
| 7 | 8 | } |
| 8 | 9 | |
| 10 | // REFACTORED: Generic parser for markdown delimiters |
| 9 | 11 | function parser(markdown, delimiter, tag) { |
| 10 | 12 | const pattern = new RegExp(`${delimiter}(.+)${delimiter}`); |
| 11 | 13 | const replacement = `<${tag}>$1</${tag}>`; |
| 12 | 14 | return markdown.replace(pattern, replacement); |
| 13 | 15 | } |
| 14 | 16 | |
| 15 | | function parse__(markdown) { |
| 17 | // REFACTORED: Specific parsing functions with clear names |
| 18 | function parseBold(markdown) { |
| 16 | 19 | return parser(markdown, '__', 'strong'); |
| 17 | 20 | } |
| 18 | 21 | |
| 19 | | function parse_(markdown) { |
| 22 | function parseItalic(markdown) { |
| 20 | 23 | return parser(markdown, '_', 'em'); |
| 21 | 24 | } |
| 22 | 25 | |
| 23 | | function parseText(markdown, list) { |
| 24 | | const parsedText = parse_(parse__(markdown)); |
| 25 | | if (list) { |
| 26 | | return parsedText; |
| 27 | | } else { |
| 28 | | return wrap(parsedText, 'p'); |
| 29 | | } |
| 26 | // REFACTORED: Simplified text parsing without list parameter |
| 27 | function parseText(markdown) { |
| 28 | return parseItalic(parseBold(markdown)); |
| 30 | 29 | } |
| 31 | 30 | |
| 31 | // REFACTORED: Parse header with early returns for better readability |
| 32 | 32 | function parseHeader(markdown, list) { |
| 33 | 33 | let count = 0; |
| 34 | 34 | for (let i = 0; i < markdown.length; i++) { |
| 50 | 53 | } |
| 51 | 54 | } |
| 52 | 55 | |
| 56 | // REFACTORED: Parse line item with clearer logic |
| 53 | 57 | function parseLineItem(markdown, list) { |
| 54 | | if (markdown.startsWith('*')) { |
| 55 | | const innerHtml = wrap(parseText(markdown.substring(2), true), 'li'); |
| 56 | | if (list) { |
| 57 | | return [innerHtml, true]; |
| 58 | | } else { |
| 59 | | return [`<ul>${innerHtml}`, true]; |
| 60 | | } |
| 58 | if (!markdown.startsWith('*')) { |
| 59 | return [null, list]; |
| 60 | } |
| 61 | |
| 62 | const innerHtml = wrap(parseText(markdown.substring(2)), 'li'); |
| 63 | |
| 64 | if (list) { |
| 65 | return [innerHtml, true]; |
| 66 | } else { |
| 67 | return [`<ul>${innerHtml}`, true]; |
| 61 | 68 | } |
| 62 | | return [null, list]; |
| 63 | 69 | } |
| 64 | 70 | |
| 71 | // REFACTORED: Parse paragraph with simplified logic |
| 65 | 72 | function parseParagraph(markdown, list) { |
| 66 | 73 | if (!list) { |
| 67 | | return [parseText(markdown, false), false]; |
| 74 | return [parseText(markdown), false]; |
| 68 | 75 | } else { |
| 69 | | return [`</ul>${parseText(markdown, false)}`, false]; |
| 76 | return [`</ul>${parseText(markdown)}`, false]; |
| 70 | 77 | } |
| 71 | 78 | } |
| 72 | 79 | |
| 80 | // REFACTORED: Parse a single line with early returns |
| 73 | 81 | function parseLine(markdown, list) { |
| 74 | 82 | let [result, inListAfter] = parseHeader(markdown, list); |
| 75 | | if (result === null) { |
| 76 | | [result, inListAfter] = parseLineItem(markdown, list); |
| 83 | if (result !== null) { |
| 84 | return [result, inListAfter]; |
| 77 | 85 | } |
| 78 | | if (result === null) { |
| 79 | | [result, inListAfter] = parseParagraph(markdown, list); |
| 86 | |
| 87 | [result, inListAfter] = parseLineItem(markdown, list); |
| 88 | if (result !== null) { |
| 89 | return [result, inListAfter]; |
| 80 | 90 | } |
| 81 | | if (result === null) { |
| 82 | | throw new Error('Remove this line and implement the function'); |
| 91 | |
| 92 | [result, inListAfter] = parseParagraph(markdown, list); |
| 93 | if (result !== null) { |
| 94 | return [result, inListAfter]; |
| 83 | 95 | } |
| 84 | | return [result, inListAfter]; |
| 96 | |
| 97 | // This should never happen with valid input |
| 98 | throw new Error('Invalid markdown line'); |
| 85 | 99 | } |
| 86 | 100 | |
| 87 | 101 | /** |
| 88 | 102 | * @param {string} markdown |
| 89 | 103 | * @returns {string} |
| 90 | 104 | */ |
| 105 | // REFACTORED: Main parse function with improved readability |
| 91 | 106 | export function parse(markdown) { |
| 92 | 107 | const lines = markdown.split('\n'); |
| 93 | 108 | let result = ''; |
| 94 | 109 | let list = false; |
| 110 | |
| 95 | 111 | for (let i = 0; i < lines.length; i++) { |
| 96 | 112 | let [lineResult, newList] = parseLine(lines[i], list); |
| 97 | 113 | result += lineResult; |
| 98 | 114 | list = newList; |
| 99 | 115 | } |
| 116 | |
| 100 | 117 | if (list) { |
| 101 | 118 | return result + '</ul>'; |
| 102 | 119 | } else { |