{
  "version": 3,
  "sources": ["unit.ts"],
  "sourcesContent": ["/*!\n * @license\n * Copyright 2021 The Go Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style\n * license that can be found in the LICENSE file.\n */\n\nimport { CopyToClipboardController } from './clipboard.js';\nimport './toggle-tip.js';\nimport { ExpandableRowsTableController } from './table.js';\n\ndocument\n  .querySelectorAll<HTMLTableElement>('.js-expandableTable')\n  .forEach(\n    el =>\n      new ExpandableRowsTableController(\n        el,\n        document.querySelector<HTMLButtonElement>('.js-expandAllDirectories')\n      )\n  );\n\n/**\n * Instantiates CopyToClipboardController controller copy buttons\n * on the unit page.\n */\ndocument.querySelectorAll<HTMLButtonElement>('.js-copyToClipboard').forEach(el => {\n  new CopyToClipboardController(el);\n});\n\n/**\n * Event handlers for expanding and collapsing the readme section.\n */\nconst readme = document.querySelector('.js-readme');\nconst readmeContent = document.querySelector('.js-readmeContent');\nconst readmeOutline = document.querySelector('.js-readmeOutline');\nconst readmeExpand = document.querySelectorAll('.js-readmeExpand');\nconst readmeCollapse = document.querySelector('.js-readmeCollapse');\nconst mobileNavSelect = document.querySelector<HTMLSelectElement>('.DocNavMobile-select');\nif (readme && readmeContent && readmeOutline && readmeExpand.length && readmeCollapse) {\n  if (window.location.hash.includes('readme')) {\n    readme.classList.add('UnitReadme--expanded');\n  }\n  mobileNavSelect?.addEventListener('change', e => {\n    if ((e.target as HTMLSelectElement).value.startsWith('readme-')) {\n      readme.classList.add('UnitReadme--expanded');\n    }\n  });\n  readmeExpand.forEach(el =>\n    el.addEventListener('click', e => {\n      e.preventDefault();\n      readme.classList.add('UnitReadme--expanded');\n      readme.scrollIntoView();\n    })\n  );\n  readmeCollapse.addEventListener('click', e => {\n    e.preventDefault();\n    readme.classList.remove('UnitReadme--expanded');\n    if (readmeExpand[1]) {\n      readmeExpand[1].scrollIntoView({ block: 'center' });\n    }\n  });\n  readmeContent.addEventListener('keyup', () => {\n    readme.classList.add('UnitReadme--expanded');\n  });\n  readmeContent.addEventListener('click', () => {\n    readme.classList.add('UnitReadme--expanded');\n  });\n  readmeOutline.addEventListener('click', () => {\n    readme.classList.add('UnitReadme--expanded');\n  });\n  document.addEventListener('keydown', e => {\n    if ((e.ctrlKey || e.metaKey) && e.key === 'f') {\n      readme.classList.add('UnitReadme--expanded');\n    }\n  });\n}\n\n/**\n * Disable unavailable sections in navigation dropdown on mobile.\n */\nconst readmeOption = document.querySelector('.js-readmeOption');\nif (readmeOption && !readme) {\n  readmeOption.setAttribute('disabled', 'true');\n}\nconst unitDirectories = document.querySelector('.js-unitDirectories');\nconst directoriesOption = document.querySelector('.js-directoriesOption');\nif (!unitDirectories && directoriesOption) {\n  directoriesOption.setAttribute('disabled', 'true');\n}\ndocument.querySelectorAll('.js-buildContextSelect').forEach(el => {\n  el.addEventListener('change', e => {\n    window.location.search = `?GOOS=${(e.target as HTMLSelectElement).value}`;\n  });\n});\n\n/**\n * Adds double click event listener to the header that will\n * scroll the page back to the top.\n */\nconst unitHeader = document.querySelector('.js-unitHeader');\nunitHeader?.addEventListener('dblclick', e => {\n  const target = e.target as HTMLElement;\n  if (\n    target === unitHeader.firstElementChild &&\n    unitHeader.classList.contains('UnitHeader--sticky')\n  ) {\n    window.getSelection()?.removeAllRanges();\n    window.scrollTo({ top: 0 });\n  }\n});\n\n/**\n * Calculates dynamic heights values for header elements to support\n * variable size sticky positioned elements in the header so that banners\n * and breadcumbs may overflow to multiple lines.\n */\nconst header = document.querySelector<HTMLElement>('.UnitHeader');\nconst breadcrumbs = header?.querySelector<HTMLElement>('.UnitHeader-breadcrumbs');\nconst content = header?.querySelector<HTMLElement>('.UnitHeader-content');\nconst calcSize = () => {\n  document.documentElement.style.removeProperty('--full-header-height');\n  document.documentElement.style.setProperty(\n    '--full-header-height',\n    `${(header?.getBoundingClientRect().height ?? 0) / 16}rem`\n  );\n  document.documentElement.style.setProperty('--banner-height', `0rem`);\n  document.documentElement.style.setProperty(\n    '--breadcrumbs-height',\n    `${(breadcrumbs?.getBoundingClientRect().height ?? 0) / 16}rem`\n  );\n  document.documentElement.style.setProperty(\n    '--content-height',\n    `${(content?.getBoundingClientRect().height ?? 0) / 16}rem`\n  );\n};\ncalcSize();\nwindow.addEventListener('resize', function () {\n  calcSize();\n});\n\n/**\n * Observer for header that applies classnames to transition\n * header elements into their sticky position and back into the\n * full size position.\n */\nconst observer = new IntersectionObserver(\n  ([e]) => {\n    if (e.intersectionRatio < 1) {\n      unitHeader?.classList.add('UnitHeader--sticky');\n      unitHeader?.classList.remove('UnitHeader--full');\n    } else {\n      unitHeader?.classList.remove('UnitHeader--sticky');\n      unitHeader?.classList.add('UnitHeader--full');\n    }\n  },\n  { threshold: 1.0, rootMargin: '40px' }\n);\n\nconst headerSentinel = document.querySelector('.js-headerSentinel');\nif (headerSentinel) {\n  observer.observe(headerSentinel);\n}\n"],
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