refactor : ts and DOM integration : src/simulator/vendor/table2csv.ts #446
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WalkthroughThe pull request involves the removal of a jQuery-based Changes
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Actionable comments posted: 1
🧹 Nitpick comments (2)
src/simulator/vendor/table2csv.ts (2)
1-9: Add parameter validation and extract options interface.Consider adding validation for the table parameter and extracting the options interface for better reusability.
+interface TableToCSVOptions { + separator?: string; + header?: string[]; + columnSelector?: string; + transformGtLt?: boolean; +} + function tableToCSV( table: HTMLTableElement, - options: { - separator?: string; - header?: string[]; - columnSelector?: string; - transformGtLt?: boolean; - } = {} + options: TableToCSVOptions = {} ): string { + if (!(table instanceof HTMLTableElement)) { + throw new Error('Invalid parameter: table must be an HTMLTableElement'); + }
28-36: Optimize DOM queries and array allocations.Consider caching selector results and using more efficient array operations.
- const rows = table.querySelectorAll("tbody tr"); + const tbody = table.querySelector("tbody"); + if (!tbody) { + throw new Error("Table must contain a tbody element"); + } + const rows = tbody.rows; rows.forEach((row) => { - const columns = row.querySelectorAll(columnSelector); - const rowData = Array.from(columns).map((col) => formatData(col.textContent || "")); + const columns = Array.from(row.querySelectorAll(columnSelector)); + const rowData = columns.map((col) => formatData(col.textContent || "")); if (rowData.some((data) => data.trim() !== "")) { csvData.push(rowData.join(separator)); } });
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📒 Files selected for processing (2)
src/simulator/vendor/table2csv.js(0 hunks)src/simulator/vendor/table2csv.ts(1 hunks)
💤 Files with no reviewable changes (1)
- src/simulator/vendor/table2csv.js
🔇 Additional comments (2)
src/simulator/vendor/table2csv.ts (2)
1-45: Overall implementation looks good with room for improvement.The TypeScript implementation successfully replaces the jQuery plugin with a more modern, type-safe approach. The code is well-structured and handles the core functionality effectively.
Consider adding comprehensive unit tests to verify:
- Header validation
- Empty row handling
- HTML entity transformation
- Edge cases with malformed tables
Would you like me to help generate test cases for these scenarios?
19-26: Add header length validation.Consider validating that the header length matches the number of columns in the table to prevent data misalignment.
if (header.length > 0) { + const columnCount = table.querySelector('tbody tr')?.querySelectorAll(columnSelector).length ?? 0; + if (header.length !== columnCount) { + throw new Error(`Header length (${header.length}) does not match column count (${columnCount})`); + } csvData.push(header.map(formatData).join(separator)); } else {
| // Transform `>` and `<` if required | ||
| const result = csvData.join("\n"); | ||
| return transformGtLt ? result.replace(/>/g, ">").replace(/</g, "<") : result; | ||
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| function formatData(input: string): string { | ||
| return `"${input.replace(/"/g, '""').trim()}"`; | ||
| } |
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🛠️ Refactor suggestion
Enhance HTML entity handling for security.
The current implementation only handles > and < entities. Consider using a more comprehensive HTML entity decoder to handle all possible entities.
- return transformGtLt ? result.replace(/>/g, ">").replace(/</g, "<") : result;
+ if (transformGtLt) {
+ const entities: Record<string, string> = {
+ '>': '>',
+ '<': '<',
+ '&': '&',
+ '"': '"',
+ ''': "'",
+ // Add more common entities as needed
+ };
+ return result.replace(/&[^;]+;/g, (entity) => entities[entity] || entity);
+ }
+ return result;📝 Committable suggestion
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| // Transform `>` and `<` if required | |
| const result = csvData.join("\n"); | |
| return transformGtLt ? result.replace(/>/g, ">").replace(/</g, "<") : result; | |
| function formatData(input: string): string { | |
| return `"${input.replace(/"/g, '""').trim()}"`; | |
| } | |
| // Transform `>` and `<` if required | |
| const result = csvData.join("\n"); | |
| if (transformGtLt) { | |
| const entities: Record<string, string> = { | |
| '>': '>', | |
| '<': '<', | |
| '&': '&', | |
| '"': '"', | |
| ''': "'", | |
| // Add more common entities as needed | |
| }; | |
| return result.replace(/&[^;]+;/g, (entity) => entities[entity] || entity); | |
| } | |
| return result; | |
| function formatData(input: string): string { | |
| return `"${input.replace(/"/g, '""').trim()}"`; | |
| } |
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@ThatDeparted2061 Hi! I noticed you tagged yourself. Do you need any clarification about the suggested HTML entity handling improvements? I'm here to help if you'd like to discuss the implementation or have any questions about the changes.
Fixes #414
Fixes #433
@JoshVarga @niladrix719 @tachyons
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