Something went wrong. Try again.
the claude code sourcemaps leaked march 31
Something went wrong. Try again.
11 kB · 325 lines
TypeScript
at main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326import { feature } from 'bun:bundle'import { microcompactMessages } from '../../services/compact/microCompact.js'import type { AppState } from '../../state/AppStateStore.js'import type { Tools, ToolUseContext } from '../../Tool.js'import type { AgentDefinitionsResult } from '../../tools/AgentTool/loadAgentsDir.js'import type { Message } from '../../types/message.js'import { analyzeContextUsage, type ContextData,} from '../../utils/analyzeContext.js'import { formatTokens } from '../../utils/format.js'import { getMessagesAfterCompactBoundary } from '../../utils/messages.js'import { getSourceDisplayName } from '../../utils/settings/constants.js'import { plural } from '../../utils/stringUtils.js'
/** * Shared data-collection path for `/context` (slash command) and the SDK * `get_context_usage` control request. Mirrors query.ts's pre-API transforms * (compact boundary, projectView, microcompact) so the token count reflects * what the model actually sees. */type CollectContextDataInput = { messages: Message[] getAppState: () => AppState options: { mainLoopModel: string tools: Tools agentDefinitions: AgentDefinitionsResult customSystemPrompt?: string appendSystemPrompt?: string }}
export async function collectContextData( context: CollectContextDataInput,): Promise<ContextData> { const { messages, getAppState, options: { mainLoopModel, tools, agentDefinitions, customSystemPrompt, appendSystemPrompt, }, } = context
let apiView = getMessagesAfterCompactBoundary(messages) if (feature('CONTEXT_COLLAPSE')) { /* eslint-disable @typescript-eslint/no-require-imports */ const { projectView } = require('../../services/contextCollapse/operations.js') as typeof import('../../services/contextCollapse/operations.js') /* eslint-enable @typescript-eslint/no-require-imports */ apiView = projectView(apiView) }
const { messages: compactedMessages } = await microcompactMessages(apiView) const appState = getAppState()
return analyzeContextUsage( compactedMessages, mainLoopModel, async () => appState.toolPermissionContext, tools, agentDefinitions, undefined, // terminalWidth // analyzeContextUsage only reads options.{customSystemPrompt,appendSystemPrompt} // but its signature declares the full Pick<ToolUseContext, 'options'>. { options: { customSystemPrompt, appendSystemPrompt } } as Pick< ToolUseContext, 'options' >, undefined, // mainThreadAgentDefinition apiView, // original messages for API usage extraction )}
export async function call( _args: string, context: ToolUseContext,): Promise<{ type: 'text'; value: string }> { const data = await collectContextData(context) return { type: 'text' as const, value: formatContextAsMarkdownTable(data), }}
function formatContextAsMarkdownTable(data: ContextData): string { const { categories, totalTokens, rawMaxTokens, percentage, model, memoryFiles, mcpTools, agents, skills, messageBreakdown, systemTools, systemPromptSections, } = data
let output = `## Context Usage\n\n` output += `**Model:** ${model} \n` output += `**Tokens:** ${formatTokens(totalTokens)} / ${formatTokens(rawMaxTokens)} (${percentage}%)\n`
// Context-collapse status. Always show when the runtime gate is on — // the user needs to know which strategy is managing their context // even before anything has fired. if (feature('CONTEXT_COLLAPSE')) { /* eslint-disable @typescript-eslint/no-require-imports */ const { getStats, isContextCollapseEnabled } = require('../../services/contextCollapse/index.js') as typeof import('../../services/contextCollapse/index.js') /* eslint-enable @typescript-eslint/no-require-imports */ if (isContextCollapseEnabled()) { const s = getStats() const { health: h } = s
const parts = [] if (s.collapsedSpans > 0) { parts.push( `${s.collapsedSpans} ${plural(s.collapsedSpans, 'span')} summarized (${s.collapsedMessages} messages)`, ) } if (s.stagedSpans > 0) parts.push(`${s.stagedSpans} staged`) const summary = parts.length > 0 ? parts.join(', ') : h.totalSpawns > 0 ? `${h.totalSpawns} ${plural(h.totalSpawns, 'spawn')}, nothing staged yet` : 'waiting for first trigger' output += `**Context strategy:** collapse (${summary})\n`
if (h.totalErrors > 0) { output += `**Collapse errors:** ${h.totalErrors}/${h.totalSpawns} spawns failed` if (h.lastError) { output += ` (last: ${h.lastError.slice(0, 80)})` } output += '\n' } else if (h.emptySpawnWarningEmitted) { output += `**Collapse idle:** ${h.totalEmptySpawns} consecutive empty runs\n` } } } output += '\n'
// Main categories table const visibleCategories = categories.filter( cat => cat.tokens > 0 && cat.name !== 'Free space' && cat.name !== 'Autocompact buffer', )
if (visibleCategories.length > 0) { output += `### Estimated usage by category\n\n` output += `| Category | Tokens | Percentage |\n` output += `|----------|--------|------------|\n`
for (const cat of visibleCategories) { const percentDisplay = ((cat.tokens / rawMaxTokens) * 100).toFixed(1) output += `| ${cat.name} | ${formatTokens(cat.tokens)} | ${percentDisplay}% |\n` }
const freeSpaceCategory = categories.find(c => c.name === 'Free space') if (freeSpaceCategory && freeSpaceCategory.tokens > 0) { const percentDisplay = ( (freeSpaceCategory.tokens / rawMaxTokens) * 100 ).toFixed(1) output += `| Free space | ${formatTokens(freeSpaceCategory.tokens)} | ${percentDisplay}% |\n` }
const autocompactCategory = categories.find( c => c.name === 'Autocompact buffer', ) if (autocompactCategory && autocompactCategory.tokens > 0) { const percentDisplay = ( (autocompactCategory.tokens / rawMaxTokens) * 100 ).toFixed(1) output += `| Autocompact buffer | ${formatTokens(autocompactCategory.tokens)} | ${percentDisplay}% |\n` }
output += `\n` }
// MCP tools if (mcpTools.length > 0) { output += `### MCP Tools\n\n` output += `| Tool | Server | Tokens |\n` output += `|------|--------|--------|\n` for (const tool of mcpTools) { output += `| ${tool.name} | ${tool.serverName} | ${formatTokens(tool.tokens)} |\n` } output += `\n` }
// System tools (ant-only) if ( systemTools && systemTools.length > 0 && process.env.USER_TYPE === 'ant' ) { output += `### [ANT-ONLY] System Tools\n\n` output += `| Tool | Tokens |\n` output += `|------|--------|\n` for (const tool of systemTools) { output += `| ${tool.name} | ${formatTokens(tool.tokens)} |\n` } output += `\n` }
// System prompt sections (ant-only) if ( systemPromptSections && systemPromptSections.length > 0 && process.env.USER_TYPE === 'ant' ) { output += `### [ANT-ONLY] System Prompt Sections\n\n` output += `| Section | Tokens |\n` output += `|---------|--------|\n` for (const section of systemPromptSections) { output += `| ${section.name} | ${formatTokens(section.tokens)} |\n` } output += `\n` }
// Custom agents if (agents.length > 0) { output += `### Custom Agents\n\n` output += `| Agent Type | Source | Tokens |\n` output += `|------------|--------|--------|\n` for (const agent of agents) { let sourceDisplay: string switch (agent.source) { case 'projectSettings': sourceDisplay = 'Project' break case 'userSettings': sourceDisplay = 'User' break case 'localSettings': sourceDisplay = 'Local' break case 'flagSettings': sourceDisplay = 'Flag' break case 'policySettings': sourceDisplay = 'Policy' break case 'plugin': sourceDisplay = 'Plugin' break case 'built-in': sourceDisplay = 'Built-in' break default: sourceDisplay = String(agent.source) } output += `| ${agent.agentType} | ${sourceDisplay} | ${formatTokens(agent.tokens)} |\n` } output += `\n` }
// Memory files if (memoryFiles.length > 0) { output += `### Memory Files\n\n` output += `| Type | Path | Tokens |\n` output += `|------|------|--------|\n` for (const file of memoryFiles) { output += `| ${file.type} | ${file.path} | ${formatTokens(file.tokens)} |\n` } output += `\n` }
// Skills if (skills && skills.tokens > 0 && skills.skillFrontmatter.length > 0) { output += `### Skills\n\n` output += `| Skill | Source | Tokens |\n` output += `|-------|--------|--------|\n` for (const skill of skills.skillFrontmatter) { output += `| ${skill.name} | ${getSourceDisplayName(skill.source)} | ${formatTokens(skill.tokens)} |\n` } output += `\n` }
// Message breakdown (ant-only) if (messageBreakdown && process.env.USER_TYPE === 'ant') { output += `### [ANT-ONLY] Message Breakdown\n\n` output += `| Category | Tokens |\n` output += `|----------|--------|\n` output += `| Tool calls | ${formatTokens(messageBreakdown.toolCallTokens)} |\n` output += `| Tool results | ${formatTokens(messageBreakdown.toolResultTokens)} |\n` output += `| Attachments | ${formatTokens(messageBreakdown.attachmentTokens)} |\n` output += `| Assistant messages (non-tool) | ${formatTokens(messageBreakdown.assistantMessageTokens)} |\n` output += `| User messages (non-tool-result) | ${formatTokens(messageBreakdown.userMessageTokens)} |\n` output += `\n`
if (messageBreakdown.toolCallsByType.length > 0) { output += `#### Top Tools\n\n` output += `| Tool | Call Tokens | Result Tokens |\n` output += `|------|-------------|---------------|\n` for (const tool of messageBreakdown.toolCallsByType) { output += `| ${tool.name} | ${formatTokens(tool.callTokens)} | ${formatTokens(tool.resultTokens)} |\n` } output += `\n` }
if (messageBreakdown.attachmentsByType.length > 0) { output += `#### Top Attachments\n\n` output += `| Attachment | Tokens |\n` output += `|------------|--------|\n` for (const attachment of messageBreakdown.attachmentsByType) { output += `| ${attachment.name} | ${formatTokens(attachment.tokens)} |\n` } output += `\n` } }
return output}