fabric/dist/src/parser/parseAttributes.mjs.map

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

{"version":3,"file":"parseAttributes.mjs","names":[],"sources":["../../../src/parser/parseAttributes.ts"],"sourcesContent":["import { DEFAULT_SVG_FONT_SIZE } from '../constants';\nimport { parseUnit } from '../util/misc/svgParsing';\nimport { cPath, fSize, svgValidParentsRegEx } from './constants';\nimport { getGlobalStylesForElement } from './getGlobalStylesForElement';\nimport { normalizeAttr } from './normalizeAttr';\nimport { normalizeValue } from './normalizeValue';\nimport { parseFontDeclaration } from './parseFontDeclaration';\nimport { parseStyleAttribute } from './parseStyleAttribute';\nimport { setStrokeFillOpacity } from './setStrokeFillOpacity';\nimport type { CSSRules } from './typedefs';\n\n/**\n * Returns an object of attributes' name/value, given element and an array of attribute names;\n * Parses parent \"g\" nodes recursively upwards.\n * @param {SVGElement | HTMLElement} element Element to parse\n * @param {Array} attributes Array of attributes to parse\n * @return {Object} object containing parsed attributes' names/values\n */\nexport function parseAttributes(\n  element: HTMLElement | SVGElement | null,\n  attributes: string[],\n  cssRules?: CSSRules,\n): Record<string, any> {\n  if (!element) {\n    return {};\n  }\n\n  let parentAttributes: Record<string, string> = {},\n    fontSize: number,\n    parentFontSize = DEFAULT_SVG_FONT_SIZE;\n\n  // if there's a parent container (`g` or `a` or `symbol` node), parse its attributes recursively upwards\n  if (\n    element.parentNode &&\n    svgValidParentsRegEx.test(element.parentNode.nodeName)\n  ) {\n    parentAttributes = parseAttributes(\n      element.parentElement,\n      attributes,\n      cssRules,\n    );\n    if (parentAttributes.fontSize) {\n      fontSize = parentFontSize = parseUnit(parentAttributes.fontSize);\n    }\n  }\n\n  const ownAttributes: Record<string, string> = {\n    ...attributes.reduce<Record<string, string>>((memo, attr) => {\n      const value = element.getAttribute(attr);\n      if (value) {\n        memo[attr] = value;\n      }\n      return memo;\n    }, {}),\n    // add values parsed from style, which take precedence over attributes\n    // (see: http://www.w3.org/TR/SVG/styling.html#UsingPresentationAttributes)\n    ...getGlobalStylesForElement(element, cssRules),\n    ...parseStyleAttribute(element),\n  };\n\n  if (ownAttributes[cPath]) {\n    element.setAttribute(cPath, ownAttributes[cPath]);\n  }\n  if (ownAttributes[fSize]) {\n    // looks like the minimum should be 9px when dealing with ems. this is what looks like in browsers.\n    fontSize = parseUnit(ownAttributes[fSize], parentFontSize);\n    ownAttributes[fSize] = `${fontSize}`;\n  }\n\n  // this should have its own complex type\n  const normalizedStyle: Record<\n    string,\n    string | boolean | number | number[] | null\n  > = {};\n  for (const attr in ownAttributes) {\n    const normalizedAttr = normalizeAttr(attr);\n    const normalizedValue = normalizeValue(\n      normalizedAttr,\n      ownAttributes[attr],\n      parentAttributes,\n      fontSize!,\n    );\n    normalizedStyle[normalizedAttr] = normalizedValue;\n  }\n  if (normalizedStyle && normalizedStyle.font) {\n    parseFontDeclaration(normalizedStyle.font as string, normalizedStyle);\n  }\n  const mergedAttrs = { ...parentAttributes, ...normalizedStyle };\n  return svgValidParentsRegEx.test(element.nodeName)\n    ? mergedAttrs\n    : setStrokeFillOpacity(mergedAttrs);\n}\n"],"mappings":";;;;;;;;;;;;;;;;AAkBA,SAAgB,gBACd,SACA,YACA,UACqB;AACrB,KAAI,CAAC,QACH,QAAO,EAAE;CAGX,IAAI,mBAA2C,EAAE,EAC/C,UACA,iBAAA;AAGF,KACE,QAAQ,cACR,qBAAqB,KAAK,QAAQ,WAAW,SAAS,EACtD;AACA,qBAAmB,gBACjB,QAAQ,eACR,YACA,SACD;AACD,MAAI,iBAAiB,SACnB,YAAW,iBAAiB,UAAU,iBAAiB,SAAS;;CAIpE,MAAM,gBAAwC;EAC5C,GAAG,WAAW,QAAgC,MAAM,SAAS;GAC3D,MAAM,QAAQ,QAAQ,aAAa,KAAK;AACxC,OAAI,MACF,MAAK,QAAQ;AAEf,UAAO;KACN,EAAE,CAAC;EAGN,GAAG,0BAA0B,SAAS,SAAS;EAC/C,GAAG,oBAAoB,QAAQ;EAChC;AAED,KAAI,cAAA,aACF,SAAQ,aAAa,OAAO,cAAc,OAAO;AAEnD,KAAI,cAAA,cAAsB;AAExB,aAAW,UAAU,cAAc,QAAQ,eAAe;AAC1D,gBAAc,SAAS,GAAG;;CAI5B,MAAM,kBAGF,EAAE;AACN,MAAK,MAAM,QAAQ,eAAe;EAChC,MAAM,iBAAiB,cAAc,KAAK;AAO1C,kBAAgB,kBANQ,eACtB,gBACA,cAAc,OACd,kBACA,SACD;;AAGH,KAAI,mBAAmB,gBAAgB,KACrC,sBAAqB,gBAAgB,MAAgB,gBAAgB;CAEvE,MAAM,cAAc;EAAE,GAAG;EAAkB,GAAG;EAAiB;AAC/D,QAAO,qBAAqB,KAAK,QAAQ,SAAS,GAC9C,cACA,qBAAqB,YAAY"}