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

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

{"version":3,"file":"dom_misc.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":"AAAA;AACA;AACA;AACA;AACA;AACO,SAASA,gBAAgBA,CAACC,OAA2B,EAAE;AAC5D,EAAA,MAAMC,GAAG,GAAGD,OAAO,IAAIE,sBAAsB,CAACF,OAAO,CAAC,CAAA;EACtD,IAAIG,IAAI,GAAG,CAAC;AACVC,IAAAA,GAAG,GAAG,CAAC,CAAA;AACT,EAAA,IAAI,CAACJ,OAAO,IAAI,CAACC,GAAG,EAAE;IACpB,OAAO;MAAEE,IAAI;AAAEC,MAAAA,GAAAA;KAAK,CAAA;AACtB,GAAA;EACA,IAAIC,WAAgD,GAAGL,OAAO,CAAA;AAC9D,EAAA,MAAMM,UAAU,GAAGL,GAAG,CAACM,eAAe;AACpCC,IAAAA,IAAI,GAAGP,GAAG,CAACO,IAAI,IAAI;AACjBC,MAAAA,UAAU,EAAE,CAAC;AACbC,MAAAA,SAAS,EAAE,CAAA;KACZ,CAAA;AACH;AACA;AACA;AACA;EACA,OACEL,WAAW,KACVA,WAAW,CAACM,UAAU,IAAKN,WAAW,CAA2BO,IAAI,CAAC,EACvE;AACAP,IAAAA,WAAW,GAAIA,WAAW,CAACM,UAAU,IAClCN,WAAW,CAA2BO,IAG3B,CAAA;IACd,IAAIP,WAAW,KAAKJ,GAAG,EAAE;MACvBE,IAAI,GAAGK,IAAI,CAACC,UAAU,IAAIH,UAAU,CAACG,UAAU,IAAI,CAAC,CAAA;MACpDL,GAAG,GAAGI,IAAI,CAACE,SAAS,IAAIJ,UAAU,CAACI,SAAS,IAAI,CAAC,CAAA;AACnD,KAAC,MAAM;AACLP,MAAAA,IAAI,IAAKE,WAAW,CAAiBI,UAAU,IAAI,CAAC,CAAA;AACpDL,MAAAA,GAAG,IAAKC,WAAW,CAAiBK,SAAS,IAAI,CAAC,CAAA;AACpD,KAAA;AAEA,IAAA,IACEL,WAAW,CAACQ,QAAQ,KAAK,CAAC,IACzBR,WAAW,CAAiBS,KAAK,CAACC,QAAQ,KAAK,OAAO,EACvD;AACA,MAAA,MAAA;AACF,KAAA;AACF,GAAA;EAEA,OAAO;IAAEZ,IAAI;AAAEC,IAAAA,GAAAA;GAAK,CAAA;AACtB,CAAA;AAEO,MAAMF,sBAAsB,GAAIc,EAAe,IACpDA,EAAE,CAACC,aAAa,IAAI,KAAI;AAEnB,MAAMC,oBAAoB,GAAIF,EAAe,IAAA;AAAA,EAAA,IAAAG,iBAAA,CAAA;AAAA,EAAA,OAClD,CAAAA,CAAAA,iBAAA,GAAAH,EAAE,CAACC,aAAa,MAAAE,IAAAA,IAAAA,iBAAA,KAAhBA,KAAAA,CAAAA,GAAAA,KAAAA,CAAAA,GAAAA,iBAAA,CAAkBC,WAAW,KAAI,IAAI,CAAA;AAAA;;;;"}