fabric/dist/src/util/dom_misc.min.mjs.map

Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.

{"version":3,"file":"dom_misc.min.mjs","sources":["../../../src/util/dom_misc.ts"],"sourcesContent":["/**\n * Returns element scroll offsets\n * @param {HTMLElement} element Element to operate on\n * @return {Object} Object with left/top values\n */\nexport function getScrollLeftTop(element: HTMLElement | null) {\n  const doc = element && getDocumentFromElement(element);\n  let left = 0,\n    top = 0;\n  if (!element || !doc) {\n    return { left, top };\n  }\n  let elementLoop: HTMLElement | Document | ShadowRoot = element;\n  const docElement = doc.documentElement,\n    body = doc.body || {\n      scrollLeft: 0,\n      scrollTop: 0,\n    };\n  // While loop checks (and then sets element to) .parentNode OR .host\n  //  to account for ShadowDOM. We still want to traverse up out of ShadowDOM,\n  //  but the .parentNode of a root ShadowDOM node will always be null, instead\n  //  it should be accessed through .host. See http://stackoverflow.com/a/24765528/4383938\n  while (\n    elementLoop &&\n    (elementLoop.parentNode || (elementLoop as unknown as ShadowRoot).host)\n  ) {\n    elementLoop = (elementLoop.parentNode ||\n      (elementLoop as unknown as ShadowRoot).host) as\n      | HTMLElement\n      | Document\n      | ShadowRoot;\n    if (elementLoop === doc) {\n      left = body.scrollLeft || docElement.scrollLeft || 0;\n      top = body.scrollTop || docElement.scrollTop || 0;\n    } else {\n      left += (elementLoop as HTMLElement).scrollLeft || 0;\n      top += (elementLoop as HTMLElement).scrollTop || 0;\n    }\n\n    if (\n      elementLoop.nodeType === 1 &&\n      (elementLoop as HTMLElement).style.position === 'fixed'\n    ) {\n      break;\n    }\n  }\n\n  return { left, top };\n}\n\nexport const getDocumentFromElement = (el: HTMLElement) =>\n  el.ownerDocument || null;\n\nexport const getWindowFromElement = (el: HTMLElement) =>\n  el.ownerDocument?.defaultView || null;\n"],"names":["getScrollLeftTop","element","doc","getDocumentFromElement","left","top","elementLoop","docElement","documentElement","body","scrollLeft","scrollTop","parentNode","host","nodeType","style","position","el","ownerDocument","getWindowFromElement","_el$ownerDocument","defaultView"],"mappings":"AAKO,SAASA,EAAiBC,GAC/B,MAAMC,EAAMD,GAAWE,EAAuBF,GAC9C,IAAIG,EAAO,EACTC,EAAM,EACR,IAAKJ,IAAYC,EACf,MAAO,CAAEE,OAAMC,OAEjB,IAAIC,EAAmDL,EACvD,MAAMM,EAAaL,EAAIM,gBACrBC,EAAOP,EAAIO,MAAQ,CACjBC,WAAY,EACZC,UAAW,GAMf,KACEL,IACCA,EAAYM,YAAeN,EAAsCO,QAElEP,EAAeA,EAAYM,YACxBN,EAAsCO,KAIrCP,IAAgBJ,GAClBE,EAAOK,EAAKC,YAAcH,EAAWG,YAAc,EACnDL,EAAMI,EAAKE,WAAaJ,EAAWI,WAAa,IAEhDP,GAASE,EAA4BI,YAAc,EACnDL,GAAQC,EAA4BK,WAAa,GAIxB,IAAzBL,EAAYQ,UACoC,UAA/CR,EAA4BS,MAAMC,YAMvC,MAAO,CAAEZ,OAAMC,MACjB,CAEO,MAAMF,EAA0Bc,GACrCA,EAAGC,eAAiB,KAETC,EAAwBF,IAAe,IAAAG,EAAA,OAClCA,QAAhBA,EAAAH,EAAGC,qBAAHE,IAAgBA,OAAhBA,EAAAA,EAAkBC,cAAe,IAAI"}