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package.build.npm.cjs.integrations.contextlines.js.map Maven / Gradle / Ivy

{"version":3,"file":"contextlines.js","sources":["../../../../src/integrations/contextlines.ts"],"sourcesContent":["import { defineIntegration } from '@sentry/core';\nimport type { Event, IntegrationFn, StackFrame } from '@sentry/types';\nimport { GLOBAL_OBJ, addContextToFrame, stripUrlQueryAndFragment } from '@sentry/utils';\n\nconst WINDOW = GLOBAL_OBJ as typeof GLOBAL_OBJ & Window;\n\nconst DEFAULT_LINES_OF_CONTEXT = 7;\n\nconst INTEGRATION_NAME = 'ContextLines';\n\ninterface ContextLinesOptions {\n  /**\n   * Sets the number of context lines for each frame when loading a file.\n   * Defaults to 7.\n   *\n   * Set to 0 to disable loading and inclusion of source files.\n   **/\n  frameContextLines?: number;\n}\n\nconst _contextLinesIntegration = ((options: ContextLinesOptions = {}) => {\n  const contextLines = options.frameContextLines != null ? options.frameContextLines : DEFAULT_LINES_OF_CONTEXT;\n\n  return {\n    name: INTEGRATION_NAME,\n    processEvent(event) {\n      return addSourceContext(event, contextLines);\n    },\n  };\n}) satisfies IntegrationFn;\n\n/**\n * Collects source context lines around the lines of stackframes pointing to JS embedded in\n * the current page's HTML.\n *\n * This integration DOES NOT work for stack frames pointing to JS files that are loaded by the browser.\n * For frames pointing to files, context lines are added during ingestion and symbolication\n * by attempting to download the JS files to the Sentry backend.\n *\n * Use this integration if you have inline JS code in HTML pages that can't be accessed\n * by our backend (e.g. due to a login-protected page).\n */\nexport const contextLinesIntegration = defineIntegration(_contextLinesIntegration);\n\n/**\n * Processes an event and adds context lines.\n */\nfunction addSourceContext(event: Event, contextLines: number): Event {\n  const doc = WINDOW.document;\n  const htmlFilename = WINDOW.location && stripUrlQueryAndFragment(WINDOW.location.href);\n  if (!doc || !htmlFilename) {\n    return event;\n  }\n\n  const exceptions = event.exception && event.exception.values;\n  if (!exceptions || !exceptions.length) {\n    return event;\n  }\n\n  const html = doc.documentElement.innerHTML;\n  if (!html) {\n    return event;\n  }\n\n  const htmlLines = ['', '', ...html.split('\\n'), ''];\n\n  exceptions.forEach(exception => {\n    const stacktrace = exception.stacktrace;\n    if (stacktrace && stacktrace.frames) {\n      stacktrace.frames = stacktrace.frames.map(frame =>\n        applySourceContextToFrame(frame, htmlLines, htmlFilename, contextLines),\n      );\n    }\n  });\n\n  return event;\n}\n\n/**\n * Only exported for testing\n */\nexport function applySourceContextToFrame(\n  frame: StackFrame,\n  htmlLines: string[],\n  htmlFilename: string,\n  linesOfContext: number,\n): StackFrame {\n  if (frame.filename !== htmlFilename || !frame.lineno || !htmlLines.length) {\n    return frame;\n  }\n\n  addContextToFrame(htmlLines, frame, 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