refactor: ts in plotArea.js #478
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WalkthroughThis update refactors the Changes
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Actionable comments posted: 0
🔭 Outside diff range comments (1)
src/simulator/src/plotArea.ts (1)
451-479: 🛠️ Refactor suggestionImprove event listener management and mouse event handling.
- Add cleanup for event listeners to prevent memory leaks
- Add error handling for mouse events
- Consider using a debounce for mousemove events
export function setupTimingListeners() { + const plotAreaElement = document.getElementById('plotArea') + if (!plotAreaElement) { + console.error('Plot area element not found') + return + } + + const handleMouseDown = (e: MouseEvent) => { const rect = plotArea.canvas!.getBoundingClientRect() const x = sh(e.clientX - rect.left) // ... rest of the mousedown logic - }) + } + + plotAreaElement.addEventListener('mousedown', handleMouseDown) // ... similar for other event listeners + + // Return cleanup function + return () => { + plotAreaElement.removeEventListener('mousedown', handleMouseDown) + // ... remove other listeners + } }
🧹 Nitpick comments (4)
src/simulator/src/plotArea.ts (4)
23-28: Convert mutable variables to constants.These variables don't appear to be modified after initialization. Consider converting them to
constfor better immutability and code safety.-let timeLineHeight = sh(20) -let padding = sh(2) -let plotHeight = sh(20) -let waveFormPadding = sh(5) -let waveFormHeight = plotHeight - 2 * waveFormPadding -let flagLabelWidth = sh(75) +const timeLineHeight = sh(20) +const padding = sh(2) +const plotHeight = sh(20) +const waveFormPadding = sh(5) +const waveFormHeight = plotHeight - 2 * waveFormPadding +const flagLabelWidth = sh(75)
50-86: Add JSDoc comments to the PlotArea interface.Consider adding JSDoc comments to document the purpose and usage of each property and method in the interface. This will improve code maintainability and developer experience.
+/** + * Interface representing the plot area for timing diagrams. + */ interface PlotArea { + /** Current cycle offset for scrolling */ cycleOffset: number + /** Device pixel ratio */ DPR: number + /** Canvas element reference */ canvas: HTMLCanvasElement | null // ... add comments for other properties and methods }
139-146: Add error handling to the download method.The method could fail silently if the canvas is null or if there are issues with creating/downloading the image.
download() { - if (!this.canvas) return + if (!this.canvas) { + console.warn('Cannot download: Canvas is not initialized') + return + } const img = this.canvas.toDataURL('image/png') const anchor = document.createElement('a') anchor.href = img anchor.download = 'waveform.png' - anchor.click() + try { + anchor.click() + } catch (error) { + console.error('Failed to download waveform:', error) + } }
191-217: Extract magic numbers into named constants.The utilization thresholds (90, 10) and the recommended unit multiplier (3) should be extracted into named constants for better maintainability.
+const UTILIZATION_HIGH_THRESHOLD = 90 +const UTILIZATION_LOW_THRESHOLD = 10 +const MIN_RECOMMENDED_UNITS = 20 +const RECOMMENDED_UNIT_MULTIPLIER = 3 update() { // ... - if (utilization >= 90 || utilization <= 10) { - const recommendedUnit = Math.max(20, Math.round(unitUsed * 3)) + if (utilization >= UTILIZATION_HIGH_THRESHOLD || utilization <= UTILIZATION_LOW_THRESHOLD) { + const recommendedUnit = Math.max(MIN_RECOMMENDED_UNITS, Math.round(unitUsed * RECOMMENDED_UNIT_MULTIPLIER)) // ...
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@vedant-jain03 @Arnabdaz Please review changes!! |
| @@ -1,12 +1,13 @@ | |||
| import { simulationArea } from './simulationArea' | |||
| import { globalScope } from './globalScope' | |||
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There is no such file as globalscope
Why have you done this ?
| let timeLineHeight = sh(20) | ||
| let padding = sh(2) | ||
| let plotHeight = sh(20) | ||
| let waveFormPadding = sh(5) | ||
| let waveFormHeight = plotHeight - 2 * waveFormPadding | ||
| let flagLabelWidth = sh(75) | ||
| let cycleWidth = sh(30) |
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Using let reduces the type-safety, this defeats the purpose of TS
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@gitsofaryan Have you used AI tools for converting to TS files ?, since AI would work well on singleton files but the code will break when we try to combine all the files, You should review it first |
Fixes: #414
Description
plotArea, improving organization and maintainability.PlotAreafor type safety and consistency.Summary by CodeRabbit
These internal improvements help deliver a more stable experience while maintaining the same user interface.