Move processing to worker #1
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Caution Review failedThe pull request is closed. WalkthroughThe pull request introduces a loading overlay and loading bar to enhance user feedback during rendering operations. New CSS rules are added to style these elements, and the HTML structure is updated to include the overlay with a loading bar and message. A new JavaScript module (index.js) manages asynchronous rendering using a web worker, handles state management, and provides functionality to download the rendered image. Additionally, several existing functions in other modules have been refactored to be exported, and a worker script is added to perform pixel-based rendering with progress updates. Changes
Sequence Diagram(s)sequenceDiagram
participant U as User
participant M as Main (index.js)
participant W as Worker (worker.js)
U->>M: Initiates rendering/update
M->>W: Send "render" command with parameters
W-->>M: Send progress updates (if applicable)
W-->>M: Send final image data buffer
M->>M: Update canvas and loading overlay UI
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Actionable comments posted: 10
🔭 Outside diff range comments (2)
index.js (1)
108-111: 🧹 Nitpick (assertive)Loading UI initialization is good, but needs fallback handling
The loading overlay initialization code is straightforward, but it doesn't handle cases where the elements might not exist.
Add null checks to prevent errors if elements are missing:
- const loadingOverlay = document.getElementById("loadingOverlay") - const loadingBar = document.getElementById("loadingBar") - loadingOverlay.style.display = "none" + const loadingOverlay = document.getElementById("loadingOverlay") + const loadingBar = document.getElementById("loadingBar") + if (loadingOverlay) { + loadingOverlay.style.display = "none" + }qbistListeners.js (1)
77-82: 🧹 Nitpick (assertive)Use Number.parseInt consistently
Maintain consistency by using Number.parseInt in the downloadListener function as well.
Replace global parseInt with Number.parseInt throughout the function:
function downloadListener() { - const outputWidth = parseInt(document.getElementById("outputWidth").value) - const outputHeight = parseInt(document.getElementById("outputHeight").value) - const oversampling = parseInt(document.getElementById("oversampling").value) + const outputWidth = Number.parseInt(document.getElementById("outputWidth").value) + const outputHeight = Number.parseInt(document.getElementById("outputHeight").value) + const oversampling = Number.parseInt(document.getElementById("oversampling").value) downloadImage(outputWidth, outputHeight, oversampling) }🧰 Tools
🪛 Biome (1.9.4)
[error] 78-78: Use Number.parseInt instead of the equivalent global.
ES2015 moved some globals into the Number namespace for consistency.
Safe fix: Use Number.parseInt instead.(lint/style/useNumberNamespace)
[error] 79-79: Use Number.parseInt instead of the equivalent global.
ES2015 moved some globals into the Number namespace for consistency.
Safe fix: Use Number.parseInt instead.(lint/style/useNumberNamespace)
[error] 80-80: Use Number.parseInt instead of the equivalent global.
ES2015 moved some globals into the Number namespace for consistency.
Safe fix: Use Number.parseInt instead.(lint/style/useNumberNamespace)
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📒 Files selected for processing (6)
index.css(1 hunks)index.html(1 hunks)index.js(1 hunks)qbist.js(5 hunks)qbistListeners.js(2 hunks)worker.js(1 hunks)
🧰 Additional context used
🧬 Code Definitions (3)
qbistListeners.js (2)
index.js (7)
mainFormula(48-48)mainFormula(48-48)generateFormulas(51-56)updateAll(59-69)canvas(63-63)formulas(47-47)formulas(47-47)qbist.js (1)
createInfo(25-39)
index.js (3)
qbist.js (6)
info(26-31)createInfo(25-39)i(83-83)i(125-125)i(136-136)modifyInfo(42-76)qbistListeners.js (2)
oversampling(80-80)loadStateFromParam(36-56)worker.js (3)
progress(12-12)data(5-5)data(7-7)
qbist.js (1)
worker.js (1)
optimize(8-8)
🪛 Biome (1.9.4)
qbistListeners.js
[error] 60-60: Use Number.parseInt instead of the equivalent global.
ES2015 moved some globals into the Number namespace for consistency.
Safe fix: Use Number.parseInt instead.
(lint/style/useNumberNamespace)
index.js
[error] 17-17: Template literals are preferred over string concatenation.
Unsafe fix: Use a template literal.
(lint/style/useTemplate)
[error] 63-63: Template literals are preferred over string concatenation.
Unsafe fix: Use a template literal.
(lint/style/useTemplate)
[error] 47-47: This let declares a variable that is only assigned once.
'formulas' is never reassigned.
Safe fix: Use const instead.
(lint/style/useConst)
[error] 48-48: This let declares a variable that is only assigned once.
'mainFormula' is never reassigned.
Safe fix: Use const instead.
(lint/style/useConst)
🔇 Additional comments (15)
index.html (2)
75-80: Loading overlay implementation looks good!The loading overlay provides excellent user feedback during rendering operations. The HTML structure with container, bar, and message text is well-organized.
83-85: Appropriate conversion to ES modules.Converting to ES modules is a good architectural improvement that enables better code organization and the ability to use the web worker.
index.css (2)
103-115: Well-structured loading overlay styles.The loading overlay is properly positioned with fixed positioning and a high z-index to appear above other content. The use of CSS variables for colors maintains theme consistency.
117-129: Nice loading bar implementation with smooth transitions.The loading bar container and progress indicator are well-styled with appropriate widths and a smooth transition effect for width changes.
qbist.js (1)
25-25: Good use of ES module exports.Adding the export keyword to these functions is appropriate for enabling their use in the worker and other modules.
Also applies to: 42-42, 80-80, 111-111
index.js (3)
51-56: Formula generation logic looks soundThe formula generation approach is correct, setting the first formula to the main one and creating variations for the rest.
72-80: URL state checking is well implementedThe function to check for URL state parameters is properly implemented with clear return values.
82-87: Initialization logic is clean and effectiveThe initialization code checks URL state first and falls back to generating new formulas if needed.
qbistListeners.js (7)
1-7: Good modularization with imports from index.jsThe file now properly imports the required functions and variables from index.js, supporting the move to ES modules.
9-9: Function export enhances modularityExporting the loadStateFromUserInput function improves code organization and reusability.
36-36: Function export enhances modularityExporting the loadStateFromParam function allows it to be used in index.js and other modules.
46-46: Using Object.assign preserves additional propertiesUsing Object.assign instead of direct assignment is a good practice as it preserves any properties in mainFormula that might not be present in stateObj.
53-53: Improved error loggingAdding console.error for detailed error logging while keeping the user-facing alert message simple is a good practice.
61-61: Using Object.assign preserves formula propertiesUsing Object.assign for updating mainFormula is consistent with the approach used elsewhere in the code.
69-69: Using Object.assign preserves formula propertiesConsistent use of Object.assign for mainFormula updates.
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Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Moves processing to web worker
Switch to JS modules
Add export ability
Add loading screen
Improve styles
Summary by CodeRabbit
New Features
Style