Files
runner/browser-ext/content/content.js
2026-01-21 23:19:22 +00:00

978 lines
29 KiB
JavaScript

/**
* Content Script - Debugger UI
*
* Injects the debugger pane into GitHub Actions job pages and handles
* all UI interactions. Supports two layout modes: sidebar and bottom panel.
*/
// State
let debuggerPane = null;
let currentFrameId = 0;
let isConnected = false;
let replHistory = [];
let replHistoryIndex = -1;
let currentLayout = 'bottom'; // 'bottom' | 'sidebar'
let currentStepElement = null; // Track current step for breakpoint indicator
// Layout constants
const BOTTOM_PANEL_HEIGHT = 350;
const SIDEBAR_WIDTH = 350;
// HTML escape helper
function escapeHtml(text) {
const div = document.createElement('div');
div.textContent = text;
return div.innerHTML;
}
/**
* Strip result indicator suffix from step name
* e.g., "Run tests [running]" -> "Run tests"
*/
function stripResultIndicator(name) {
return name.replace(/\s*\[(running|success|failure|skipped|cancelled)\]$/i, '');
}
/**
* Load layout preference from storage
*/
function loadLayoutPreference() {
return new Promise((resolve) => {
chrome.storage.local.get(['debuggerLayout'], (data) => {
currentLayout = data.debuggerLayout || 'bottom';
resolve(currentLayout);
});
});
}
/**
* Save layout preference to storage
*/
function saveLayoutPreference(layout) {
currentLayout = layout;
chrome.storage.local.set({ debuggerLayout: layout });
}
/**
* Send DAP request to background script
*/
function sendDapRequest(command, args = {}) {
return new Promise((resolve, reject) => {
chrome.runtime.sendMessage({ type: 'dap-request', command, args }, (response) => {
if (chrome.runtime.lastError) {
reject(new Error(chrome.runtime.lastError.message));
} else if (response && response.success) {
resolve(response.body);
} else {
reject(new Error(response?.error || 'Unknown error'));
}
});
});
}
/**
* Build map of steps from DOM
*/
function buildStepMap() {
const steps = document.querySelectorAll('check-step');
const map = new Map();
steps.forEach((el, idx) => {
map.set(idx, {
element: el,
number: parseInt(el.dataset.number),
name: el.dataset.name,
conclusion: el.dataset.conclusion,
externalId: el.dataset.externalId,
});
});
return map;
}
/**
* Find step element by name
*/
function findStepByName(stepName) {
return document.querySelector(`check-step[data-name="${CSS.escape(stepName)}"]`);
}
/**
* Find step element by number
*/
function findStepByNumber(stepNumber) {
return document.querySelector(`check-step[data-number="${stepNumber}"]`);
}
/**
* Get all step elements
*/
function getAllSteps() {
return document.querySelectorAll('check-step');
}
/**
* SVG Icons
*/
const Icons = {
bug: `<svg class="octicon" viewBox="0 0 16 16" width="16" height="16">
<path fill="currentColor" d="M4.72.22a.75.75 0 0 1 1.06 0l1 1a.75.75 0 0 1-1.06 1.06l-.22-.22-.22.22a.75.75 0 0 1-1.06-1.06l1-1Z"/>
<path fill="currentColor" d="M11.28.22a.75.75 0 0 0-1.06 0l-1 1a.75.75 0 0 0 1.06 1.06l.22-.22.22.22a.75.75 0 0 0 1.06-1.06l-1-1Z"/>
<path fill="currentColor" d="M8 4a4 4 0 0 0-4 4v1h1v2.5a2.5 2.5 0 0 0 2.5 2.5h1a2.5 2.5 0 0 0 2.5-2.5V9h1V8a4 4 0 0 0-4-4Z"/>
<path fill="currentColor" d="M5 9H3.5a.5.5 0 0 0-.5.5v2a.5.5 0 0 0 .5.5H5V9ZM11 9h1.5a.5.5 0 0 1 .5.5v2a.5.5 0 0 1-.5.5H11V9Z"/>
</svg>`,
close: `<svg viewBox="0 0 16 16" width="16" height="16">
<path fill="currentColor" d="M3.72 3.72a.75.75 0 0 1 1.06 0L8 6.94l3.22-3.22a.749.749 0 0 1 1.275.326.749.749 0 0 1-.215.734L9.06 8l3.22 3.22a.749.749 0 0 1-.326 1.275.749.749 0 0 1-.734-.215L8 9.06l-3.22 3.22a.751.751 0 0 1-1.042-.018.751.751 0 0 1-.018-1.042L6.94 8 3.72 4.78a.75.75 0 0 1 0-1.06Z"/>
</svg>`,
layoutBottom: `<svg viewBox="0 0 16 16" width="16" height="16">
<path fill="currentColor" d="M1.75 1h12.5c.966 0 1.75.784 1.75 1.75v10.5A1.75 1.75 0 0 1 14.25 15H1.75A1.75 1.75 0 0 1 0 13.25V2.75C0 1.784.784 1 1.75 1Zm0 1.5a.25.25 0 0 0-.25.25v6h13v-6a.25.25 0 0 0-.25-.25H1.75Zm-.25 10.75c0 .138.112.25.25.25h12.5a.25.25 0 0 0 .25-.25v-3h-13v3Z"/>
</svg>`,
layoutSidebar: `<svg viewBox="0 0 16 16" width="16" height="16">
<path fill="currentColor" d="M1.75 1h12.5c.966 0 1.75.784 1.75 1.75v10.5A1.75 1.75 0 0 1 14.25 15H1.75A1.75 1.75 0 0 1 0 13.25V2.75C0 1.784.784 1 1.75 1ZM1.5 2.75v10.5c0 .138.112.25.25.25h8.5V2.5h-8.5a.25.25 0 0 0-.25.25Zm10.25 10.75h2.5a.25.25 0 0 0 .25-.25V2.75a.25.25 0 0 0-.25-.25h-2.5v11Z"/>
</svg>`,
reverseContinue: `<svg viewBox="0 0 16 16" width="16" height="16"><path fill="currentColor" d="M2 2v12h2V8.5l5 4V8.5l5 4V2.5l-5 4V2.5l-5 4V2z"/></svg>`,
stepBack: `<svg viewBox="0 0 16 16" width="16" height="16"><path fill="currentColor" d="M2 2v12h2V2H2zm3 6 7 5V3L5 8z"/></svg>`,
continue: `<svg viewBox="0 0 16 16" width="16" height="16"><path fill="currentColor" d="M4 2l10 6-10 6z"/></svg>`,
stepForward: `<svg viewBox="0 0 16 16" width="16" height="16"><path fill="currentColor" d="M12 2v12h2V2h-2zM2 3l7 5-7 5V3z"/></svg>`,
};
/**
* Create control buttons HTML
*/
function createControlButtonsHTML(compact = false) {
const btnClass = compact ? 'btn-sm' : 'btn-sm';
return `
<button class="btn ${btnClass} dap-control-btn" data-action="reverseContinue" title="Reverse Continue (go to first checkpoint)" disabled>
${Icons.reverseContinue}
</button>
<button class="btn ${btnClass} dap-control-btn" data-action="stepBack" title="Step Back" disabled>
${Icons.stepBack}
</button>
<button class="btn ${btnClass} btn-primary dap-control-btn" data-action="continue" title="Continue" disabled>
${Icons.continue}
</button>
<button class="btn ${btnClass} dap-control-btn" data-action="next" title="Step to Next" disabled>
${Icons.stepForward}
</button>
`;
}
/**
* Create the bottom panel HTML structure
*/
function createBottomPaneHTML() {
return `
<div class="dap-header d-flex flex-items-center p-2 border-bottom">
<span class="text-bold">Debugger</span>
<span class="dap-step-info color-fg-muted ml-2">Connecting...</span>
<div class="dap-header-right ml-auto d-flex flex-items-center">
<div class="dap-controls d-flex flex-items-center mr-3">
${createControlButtonsHTML(true)}
</div>
<div class="dap-layout-toggles d-flex flex-items-center mr-2">
<button class="btn btn-sm dap-layout-btn" data-layout="sidebar" title="Sidebar layout">
${Icons.layoutSidebar}
</button>
<button class="btn btn-sm dap-layout-btn active" data-layout="bottom" title="Bottom panel layout">
${Icons.layoutBottom}
</button>
</div>
<button class="btn btn-sm dap-close-btn" title="Close debugger">
${Icons.close}
</button>
</div>
</div>
<div class="dap-content d-flex">
<!-- Scopes Panel -->
<div class="dap-scopes border-right overflow-auto">
<div class="dap-scope-header p-2 text-bold border-bottom d-flex flex-items-center">
<span>Variables</span>
</div>
<div class="dap-scope-tree p-2">
<div class="color-fg-muted">Connect to view variables</div>
</div>
</div>
<!-- REPL Console -->
<div class="dap-repl d-flex flex-column">
<div class="dap-repl-header p-2 text-bold border-bottom">Console</div>
<div class="dap-repl-output overflow-auto flex-auto p-2 text-mono text-small">
<div class="color-fg-muted">Welcome to Actions DAP Debugger</div>
<div class="color-fg-muted">Enter expressions like: \${{ github.ref }}</div>
<div class="color-fg-muted">Or shell commands: !ls -la</div>
</div>
<div class="dap-repl-input border-top p-2">
<input type="text" class="form-control input-sm text-mono"
placeholder="Enter expression or !command" disabled>
</div>
</div>
</div>
`;
}
/**
* Create the sidebar panel HTML structure
*/
function createSidebarPaneHTML() {
return `
<div class="dap-header d-flex flex-items-center p-2 border-bottom">
<span class="text-bold">Debugger</span>
<div class="dap-header-right ml-auto d-flex flex-items-center">
<div class="dap-layout-toggles d-flex flex-items-center mr-2">
<button class="btn btn-sm dap-layout-btn active" data-layout="sidebar" title="Sidebar layout">
${Icons.layoutSidebar}
</button>
<button class="btn btn-sm dap-layout-btn" data-layout="bottom" title="Bottom panel layout">
${Icons.layoutBottom}
</button>
</div>
<button class="btn btn-sm dap-close-btn" title="Close debugger">
${Icons.close}
</button>
</div>
</div>
<!-- Scopes Panel -->
<div class="dap-scopes overflow-auto border-bottom">
<div class="dap-scope-header p-2 text-bold border-bottom d-flex flex-items-center">
<span>Variables</span>
</div>
<div class="dap-scope-tree p-2">
<div class="color-fg-muted">Connect to view variables</div>
</div>
</div>
<!-- REPL Console -->
<div class="dap-repl d-flex flex-column">
<div class="dap-repl-header p-2 text-bold border-bottom">Console</div>
<div class="dap-repl-output overflow-auto flex-auto p-2 text-mono text-small">
<div class="color-fg-muted">Welcome to Actions DAP Debugger</div>
<div class="color-fg-muted">Enter expressions like: \${{ github.ref }}</div>
<div class="color-fg-muted">Or shell commands: !ls -la</div>
</div>
<div class="dap-repl-input border-top p-2">
<input type="text" class="form-control input-sm text-mono"
placeholder="Enter expression or !command" disabled>
</div>
</div>
<!-- Control buttons -->
<div class="dap-controls d-flex flex-items-center justify-content-center p-2 border-top">
${createControlButtonsHTML()}
</div>
`;
}
/**
* Inject debugger pane into the page
*/
function injectDebuggerPane(layout = null) {
// Remove existing pane if any
const existing = document.querySelector('.dap-debugger-pane');
if (existing) existing.remove();
const targetLayout = layout || currentLayout;
// Create pane
const pane = document.createElement('div');
pane.className = `dap-debugger-pane dap-debugger-${targetLayout}`;
if (targetLayout === 'bottom') {
pane.innerHTML = createBottomPaneHTML();
} else {
pane.innerHTML = createSidebarPaneHTML();
}
// Append to body for fixed positioning
document.body.appendChild(pane);
// Add body padding class for bottom layout to ensure content is scrollable
if (targetLayout === 'bottom') {
document.body.classList.add('dap-bottom-panel-active');
} else {
document.body.classList.remove('dap-bottom-panel-active');
}
// Setup event handlers
setupPaneEventHandlers(pane);
debuggerPane = pane;
currentLayout = targetLayout;
// Update layout toggle button states
updateLayoutToggleButtons();
return pane;
}
/**
* Switch between layouts
*/
function switchLayout(newLayout) {
if (newLayout === currentLayout) return;
// Store current state before switching
const wasConnected = isConnected;
const replOutputContent = debuggerPane?.querySelector('.dap-repl-output')?.innerHTML;
const scopeTreeContent = debuggerPane?.querySelector('.dap-scope-tree')?.innerHTML;
// Remove old pane
if (debuggerPane) {
debuggerPane.remove();
debuggerPane = null;
}
// Save preference and create new pane
saveLayoutPreference(newLayout);
const pane = injectDebuggerPane(newLayout);
// Update body padding class based on new layout
if (newLayout === 'bottom') {
document.body.classList.add('dap-bottom-panel-active');
} else {
document.body.classList.remove('dap-bottom-panel-active');
}
// Restore state
if (replOutputContent) {
const output = pane.querySelector('.dap-repl-output');
if (output) output.innerHTML = replOutputContent;
}
if (scopeTreeContent) {
const scopeTree = pane.querySelector('.dap-scope-tree');
if (scopeTree) scopeTree.innerHTML = scopeTreeContent;
}
// Re-enable controls if connected
if (wasConnected) {
enableControls(true);
}
// Update debug button state
const btn = document.querySelector('.dap-debug-btn');
if (btn) btn.classList.add('selected');
// Update layout toggle button states
updateLayoutToggleButtons();
}
/**
* Update layout toggle button active states
*/
function updateLayoutToggleButtons() {
if (!debuggerPane) return;
debuggerPane.querySelectorAll('.dap-layout-btn').forEach((btn) => {
const layout = btn.dataset.layout;
btn.classList.toggle('active', layout === currentLayout);
});
}
/**
* Close the debugger pane
*/
function closeDebuggerPane() {
// Clear breakpoint indicator
clearBreakpointIndicator();
// Remove body padding class
document.body.classList.remove('dap-bottom-panel-active');
if (debuggerPane) {
debuggerPane.remove();
debuggerPane = null;
}
// Update debug button state
const btn = document.querySelector('.dap-debug-btn');
if (btn) btn.classList.remove('selected');
}
/**
* Setup event handlers for debugger pane
*/
function setupPaneEventHandlers(pane) {
// Control buttons
pane.querySelectorAll('[data-action]').forEach((btn) => {
btn.addEventListener('click', async () => {
const action = btn.dataset.action;
enableControls(false);
updateStatus('RUNNING');
try {
await sendDapRequest(action, { threadId: 1 });
} catch (error) {
console.error(`[Content] DAP ${action} failed:`, error);
appendOutput(`Error: ${error.message}`, 'error');
enableControls(true);
updateStatus('ERROR');
}
});
});
// Layout toggle buttons
pane.querySelectorAll('.dap-layout-btn').forEach((btn) => {
btn.addEventListener('click', () => {
const layout = btn.dataset.layout;
if (layout && layout !== currentLayout) {
switchLayout(layout);
}
});
});
// Close button
const closeBtn = pane.querySelector('.dap-close-btn');
if (closeBtn) {
closeBtn.addEventListener('click', closeDebuggerPane);
}
// REPL input
const input = pane.querySelector('.dap-repl-input input');
if (input) {
input.addEventListener('keydown', handleReplKeydown);
}
}
/**
* Handle REPL input keydown
*/
async function handleReplKeydown(e) {
const input = e.target;
if (e.key === 'Enter') {
const command = input.value.trim();
if (!command) return;
replHistory.push(command);
replHistoryIndex = replHistory.length;
input.value = '';
// Show command
appendOutput(`> ${command}`, 'input');
// Send to DAP
try {
const response = await sendDapRequest('evaluate', {
expression: command,
frameId: currentFrameId,
context: command.startsWith('!') ? 'repl' : 'watch',
});
// Only show result if it's NOT an exit code summary
// (shell command output is already streamed via output events)
if (response.result && !/^\(exit code: -?\d+\)$/.test(response.result)) {
appendOutput(response.result, 'result');
}
} catch (error) {
appendOutput(error.message, 'error');
}
} else if (e.key === 'ArrowUp') {
if (replHistoryIndex > 0) {
replHistoryIndex--;
input.value = replHistory[replHistoryIndex];
}
e.preventDefault();
} else if (e.key === 'ArrowDown') {
if (replHistoryIndex < replHistory.length - 1) {
replHistoryIndex++;
input.value = replHistory[replHistoryIndex];
} else {
replHistoryIndex = replHistory.length;
input.value = '';
}
e.preventDefault();
}
}
/**
* Append output to REPL console
*/
function appendOutput(text, type) {
const output = document.querySelector('.dap-repl-output');
if (!output) return;
// Handle multi-line output - each line gets its own div
const lines = text.split('\n');
lines.forEach((l) => {
const div = document.createElement('div');
div.className = `dap-output-${type}`;
if (type === 'error') div.classList.add('color-fg-danger');
if (type === 'input') div.classList.add('color-fg-muted');
div.textContent = l;
output.appendChild(div);
});
output.scrollTop = output.scrollHeight;
}
/**
* Enable/disable control buttons
*/
function enableControls(enabled) {
if (!debuggerPane) return;
debuggerPane.querySelectorAll('.dap-control-btn').forEach((btn) => {
btn.disabled = !enabled;
});
const input = debuggerPane.querySelector('.dap-repl-input input');
if (input) {
input.disabled = !enabled;
}
}
/**
* Update status display
*/
function updateStatus(status, extra) {
if (!debuggerPane) return;
// Update step info text
const stepInfo = debuggerPane.querySelector('.dap-step-info');
if (stepInfo && extra) {
stepInfo.textContent = extra;
}
}
/**
* Update breakpoint indicator - highlights the current step
*/
function updateBreakpointIndicator(stepElement) {
// Clear previous indicator
clearBreakpointIndicator();
if (!stepElement) return;
// Add indicator class to current step
stepElement.classList.add('dap-current-step');
currentStepElement = stepElement;
// Scroll step into view if needed
stepElement.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
}
/**
* Clear breakpoint indicator from all steps
*/
function clearBreakpointIndicator() {
if (currentStepElement) {
currentStepElement.classList.remove('dap-current-step');
currentStepElement = null;
}
// Also clear any other steps that might have the class
document.querySelectorAll('.dap-current-step').forEach((el) => {
el.classList.remove('dap-current-step');
});
}
/**
* Load scopes for current frame
*/
async function loadScopes(frameId) {
const scopesContainer = document.querySelector('.dap-scope-tree');
if (!scopesContainer) return;
scopesContainer.innerHTML = '<div class="color-fg-muted">Loading...</div>';
try {
console.log('[Content] Loading scopes for frame:', frameId);
const response = await sendDapRequest('scopes', { frameId });
console.log('[Content] Scopes response:', response);
scopesContainer.innerHTML = '';
if (!response.scopes || response.scopes.length === 0) {
scopesContainer.innerHTML = '<div class="color-fg-muted">No scopes available</div>';
return;
}
for (const scope of response.scopes) {
console.log('[Content] Creating tree node for scope:', scope.name, 'variablesRef:', scope.variablesReference);
// Only mark as expandable if variablesReference > 0
const isExpandable = scope.variablesReference > 0;
const node = createTreeNode(scope.name, scope.variablesReference, isExpandable);
scopesContainer.appendChild(node);
}
} catch (error) {
console.error('[Content] Failed to load scopes:', error);
scopesContainer.innerHTML = `<div class="color-fg-danger">Error: ${escapeHtml(error.message)}</div>`;
}
}
/**
* Create a tree node for scope/variable display
*/
function createTreeNode(name, variablesReference, isExpandable, value) {
const node = document.createElement('div');
node.className = 'dap-tree-node';
node.dataset.variablesRef = variablesReference;
const content = document.createElement('div');
content.className = 'dap-tree-content';
// Expand icon
const expandIcon = document.createElement('span');
expandIcon.className = 'dap-expand-icon';
expandIcon.textContent = isExpandable ? '\u25B6' : ' '; // triangleright or space
content.appendChild(expandIcon);
// Name
const nameSpan = document.createElement('span');
nameSpan.className = 'text-bold';
nameSpan.textContent = name;
content.appendChild(nameSpan);
// Value (if provided)
if (value !== undefined) {
const valueSpan = document.createElement('span');
valueSpan.className = 'color-fg-muted';
valueSpan.textContent = `: ${value}`;
content.appendChild(valueSpan);
}
node.appendChild(content);
if (isExpandable && variablesReference > 0) {
content.style.cursor = 'pointer';
content.addEventListener('click', () => toggleTreeNode(node));
}
return node;
}
/**
* Toggle tree node expansion
*/
async function toggleTreeNode(node) {
const children = node.querySelector('.dap-tree-children');
const expandIcon = node.querySelector('.dap-expand-icon');
if (children) {
// Toggle visibility
children.hidden = !children.hidden;
expandIcon.textContent = children.hidden ? '\u25B6' : '\u25BC'; // triangleright or triangledown
return;
}
// Fetch children
const variablesRef = parseInt(node.dataset.variablesRef);
if (!variablesRef) return;
expandIcon.textContent = '...';
try {
const response = await sendDapRequest('variables', { variablesReference: variablesRef });
const childContainer = document.createElement('div');
childContainer.className = 'dap-tree-children ml-3';
for (const variable of response.variables) {
const hasChildren = variable.variablesReference > 0;
const childNode = createTreeNode(
variable.name,
variable.variablesReference,
hasChildren,
variable.value
);
childContainer.appendChild(childNode);
}
node.appendChild(childContainer);
expandIcon.textContent = '\u25BC'; // triangledown
} catch (error) {
console.error('[Content] Failed to load variables:', error);
expandIcon.textContent = '\u25B6'; // triangleright
}
}
/**
* Handle stopped event from DAP
*/
async function handleStoppedEvent(body) {
console.log('[Content] Stopped event:', body);
isConnected = true;
updateStatus('PAUSED', body.reason || 'paused');
enableControls(true);
// Get current location
try {
const stackTrace = await sendDapRequest('stackTrace', { threadId: 1 });
if (stackTrace.stackFrames && stackTrace.stackFrames.length > 0) {
const currentFrame = stackTrace.stackFrames[0];
currentFrameId = currentFrame.id;
// Strip result indicator from step name for DOM lookup
const rawStepName = stripResultIndicator(currentFrame.name);
let stepElement = findStepByName(rawStepName);
if (!stepElement && currentFrame.line > 0) {
// Fallback: use step number from Line property
// Add 1 to account for "Set up job" which is always step 1 in GitHub UI but not in DAP
stepElement = findStepByNumber(currentFrame.line + 1);
}
// Update breakpoint indicator
if (stepElement) {
updateBreakpointIndicator(stepElement);
}
// Update step info in header
const stepInfo = debuggerPane?.querySelector('.dap-step-info');
if (stepInfo) {
stepInfo.textContent = `Paused before: ${rawStepName}`;
}
// Load scopes
await loadScopes(currentFrame.id);
}
} catch (error) {
console.error('[Content] Failed to get stack trace:', error);
appendOutput(`Error: ${error.message}`, 'error');
}
}
/**
* Handle output event from DAP
*/
function handleOutputEvent(body) {
if (body.output) {
const category = body.category === 'stderr' ? 'error' : 'stdout';
appendOutput(body.output.trimEnd(), category);
}
}
/**
* Handle terminated event from DAP
*/
function handleTerminatedEvent() {
isConnected = false;
updateStatus('TERMINATED', 'Session ended');
enableControls(false);
clearBreakpointIndicator();
}
/**
* Load current debug state (used when page loads while already paused)
*/
async function loadCurrentDebugState() {
if (!debuggerPane) return;
try {
const stackTrace = await sendDapRequest('stackTrace', { threadId: 1 });
if (stackTrace.stackFrames && stackTrace.stackFrames.length > 0) {
const currentFrame = stackTrace.stackFrames[0];
currentFrameId = currentFrame.id;
// Strip result indicator from step name for DOM lookup
const rawStepName = stripResultIndicator(currentFrame.name);
let stepElement = findStepByName(rawStepName);
if (!stepElement && currentFrame.line > 0) {
// Fallback: use step number from Line property
stepElement = findStepByNumber(currentFrame.line + 1);
}
// Update breakpoint indicator
if (stepElement) {
updateBreakpointIndicator(stepElement);
}
// Update step info in header
const stepInfo = debuggerPane.querySelector('.dap-step-info');
if (stepInfo) {
stepInfo.textContent = `Paused before: ${rawStepName}`;
}
// Load scopes
await loadScopes(currentFrame.id);
}
} catch (error) {
console.error('[Content] Failed to load current debug state:', error);
}
}
/**
* Handle status change from background
*/
function handleStatusChange(status) {
console.log('[Content] Status changed:', status);
switch (status) {
case 'connected':
isConnected = true;
updateStatus('CONNECTED', 'Waiting for debug event...');
break;
case 'paused':
isConnected = true;
updateStatus('PAUSED');
enableControls(true);
loadCurrentDebugState();
break;
case 'running':
isConnected = true;
updateStatus('RUNNING', 'Running...');
enableControls(false);
break;
case 'disconnected':
isConnected = false;
updateStatus('DISCONNECTED', 'Disconnected');
enableControls(false);
clearBreakpointIndicator();
break;
case 'error':
isConnected = false;
updateStatus('ERROR', 'Connection error');
enableControls(false);
clearBreakpointIndicator();
break;
}
}
/**
* Listen for messages from background script
*/
chrome.runtime.onMessage.addListener((message, sender, sendResponse) => {
console.log('[Content] Received message:', message.type);
switch (message.type) {
case 'dap-event':
const event = message.event;
switch (event.event) {
case 'stopped':
handleStoppedEvent(event.body);
break;
case 'output':
handleOutputEvent(event.body);
break;
case 'terminated':
handleTerminatedEvent();
break;
}
break;
case 'status-changed':
handleStatusChange(message.status);
break;
}
});
/**
* Inject debug button into GitHub Actions UI header
*/
function injectDebugButton() {
// Try multiple possible container selectors
let container = document.querySelector('.js-check-run-search');
// Alternative: look for the header area with search box
if (!container) {
container = document.querySelector('.PageLayout-content .Box-header');
}
if (!container || container.querySelector('.dap-debug-btn-container')) {
return; // Already injected or container not found
}
const buttonContainer = document.createElement('div');
buttonContainer.className = 'ml-2 dap-debug-btn-container';
buttonContainer.innerHTML = `
<button type="button" class="btn btn-sm dap-debug-btn" title="Toggle DAP Debugger">
${Icons.bug}
<span class="ml-1 dap-debug-btn-text">Debug</span>
</button>
`;
const button = buttonContainer.querySelector('button');
button.addEventListener('click', async () => {
let pane = document.querySelector('.dap-debugger-pane');
if (pane) {
// Close pane
closeDebuggerPane();
} else {
// Load preference and create pane
await loadLayoutPreference();
pane = injectDebuggerPane();
if (pane) {
button.classList.add('selected');
// Check connection status after creating pane
chrome.runtime.sendMessage({ type: 'get-status' }, (response) => {
if (response && response.status) {
handleStatusChange(response.status);
}
});
}
}
});
// Insert at the beginning of the container
container.insertBefore(buttonContainer, container.firstChild);
console.log('[Content] Debug button injected');
}
/**
* Initialize content script
*/
async function init() {
console.log('[Content] Actions DAP Debugger content script loaded');
// Load layout preference
await loadLayoutPreference();
// Check if we're on a job page
const steps = getAllSteps();
if (steps.length === 0) {
console.log('[Content] No steps found, waiting for DOM...');
// Wait for steps to appear
const observer = new MutationObserver((mutations) => {
const steps = getAllSteps();
if (steps.length > 0) {
observer.disconnect();
console.log('[Content] Steps found, injecting debug button');
injectDebugButton();
}
});
observer.observe(document.body, { childList: true, subtree: true });
return;
}
// Inject debug button in header (user can click to show debugger pane)
injectDebugButton();
// Check current connection status
chrome.runtime.sendMessage({ type: 'get-status' }, async (response) => {
if (response && response.status) {
// If already connected/paused, auto-show the debugger pane
if (response.status === 'paused' || response.status === 'connected') {
const pane = document.querySelector('.dap-debugger-pane');
if (!pane) {
injectDebuggerPane();
const btn = document.querySelector('.dap-debug-btn');
if (btn) btn.classList.add('selected');
}
handleStatusChange(response.status);
// If already paused, load the current debug state
if (response.status === 'paused') {
await loadCurrentDebugState();
}
}
}
});
}
// Initialize when DOM is ready
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', init);
} else {
init();
}