{
  "version": 3,
  "sources": ["../src/index.ts", "../src/converter.ts", "../src/constants.ts", "../src/utils.ts"],
  "sourcesContent": ["import { useRef, useCallback } from \"react\";\nimport html2canvas from \"html2canvas\";\n\nimport Converter from \"./converter\";\nimport { Options, TargetElementFinder, UsePDFResult } from \"./types\";\nimport { buildConvertOptions } from \"./utils\";\nimport jsPDF from \"jspdf\";\nexport { Resolution, Margin } from \"./constants\";\nexport type { Options };\n\nconst getTargetElement = (\n  targetRefOrFunction: TargetElementFinder\n): HTMLElement | null | undefined => {\n  if (typeof targetRefOrFunction === \"function\") {\n    return targetRefOrFunction();\n  }\n  return targetRefOrFunction?.current;\n};\n\nexport const usePDF = (usePDFoptions?: Options): UsePDFResult => {\n  const targetRef = useRef();\n  const toPDF = useCallback(\n    (toPDFoptions?: Options): Promise<InstanceType<typeof jsPDF>> => {\n      return generatePDF(targetRef, usePDFoptions ?? toPDFoptions);\n    },\n    [targetRef, usePDFoptions]\n  );\n  return { targetRef, toPDF };\n};\n\nconst generatePDF = async (\n  targetRefOrFunction: TargetElementFinder,\n  customOptions?: Options\n): Promise<InstanceType<typeof jsPDF>> => {\n  const options = buildConvertOptions(customOptions);\n  const targetElement = getTargetElement(targetRefOrFunction);\n  if (!targetElement) {\n    console.error(\"Unable to get the target element.\");\n    return;\n  }\n  const canvas = await html2canvas(targetElement, {\n    useCORS: options.canvas.useCORS,\n    logging: options.canvas.logging,\n    scale: options.resolution,\n    ...options.overrides?.canvas,\n  });\n  const converter = new Converter(canvas, options);\n  const pdf = converter.convert();\n  switch (options.method) {\n    case \"build\":\n      return pdf;\n    case \"open\": {\n      window.open(pdf.output(\"bloburl\"), \"_blank\");\n      return pdf;\n    }\n    case \"save\":\n    default: {\n      const pdfFilename = options.filename ?? `${new Date().getTime()}.pdf`;\n      await pdf.save(pdfFilename, { returnPromise: true });\n      return pdf;\n    }\n  }\n};\n\nexport default generatePDF;\n", "import jsPDF from \"jspdf\";\nimport { MM_TO_PX } from \"./constants\";\nimport { ConversionOptions, Options } from \"./types\";\n\nexport default class Converter {\n  pdf: InstanceType<typeof jsPDF>;\n  canvas: HTMLCanvasElement;\n  options: Options;\n  constructor(canvas: HTMLCanvasElement, options: ConversionOptions) {\n    this.canvas = canvas;\n    this.options = options;\n    this.pdf = new jsPDF({\n      format: this.options.page.format,\n      orientation: this.options.page.orientation,\n      ...this.options.overrides?.pdf,\n      unit: \"mm\",\n    });\n  }\n  getMarginTopMM() {\n    const margin =\n      typeof this.options.page.margin === \"object\"\n        ? this.options.page.margin.top\n        : this.options.page.margin;\n    return Number(margin);\n  }\n  getMarginLeftMM() {\n    const margin =\n      typeof this.options.page.margin === \"object\"\n        ? this.options.page.margin.left\n        : this.options.page.margin;\n    return Number(margin);\n  }\n  getMarginRightMM() {\n    const margin =\n      typeof this.options.page.margin === \"object\"\n        ? this.options.page.margin.right\n        : this.options.page.margin;\n    return Number(margin);\n  }\n  getMarginBottomMM() {\n    const margin =\n      typeof this.options.page.margin === \"object\"\n        ? this.options.page.margin.bottom\n        : this.options.page.margin;\n    return Number(margin);\n  }\n  getMarginTop() {\n    return this.getMarginTopMM() * MM_TO_PX;\n  }\n  getMarginBottom() {\n    return this.getMarginBottomMM() * MM_TO_PX;\n  }\n  getMarginLeft() {\n    return this.getMarginLeftMM() * MM_TO_PX;\n  }\n  getMarginRight() {\n    return this.getMarginRightMM() * MM_TO_PX;\n  }\n  getScale() {\n    return this.options.resolution;\n  }\n  getPageHeight() {\n    return this.getPageHeightMM() * MM_TO_PX;\n  }\n  getPageHeightMM() {\n    return this.pdf.internal.pageSize.height;\n  }\n  getPageWidthMM() {\n    return this.pdf.internal.pageSize.width;\n  }\n  getPageWidth() {\n    return this.getPageWidthMM() * MM_TO_PX;\n  }\n  getOriginalCanvasWidth() {\n    return this.canvas.width / this.getScale();\n  }\n  getOriginalCanvasHeight() {\n    return this.canvas.height / this.getScale();\n  }\n  getCanvasPageAvailableHeight() {\n    return (\n      this.getPageAvailableHeight() *\n      this.getScale() *\n      this.getHorizontalFitFactor()\n    );\n  }\n  getPageAvailableWidth() {\n    return this.getPageWidth() - (this.getMarginLeft() + this.getMarginRight());\n  }\n  getPageAvailableHeight() {\n    return (\n      this.getPageHeight() - (this.getMarginTop() + this.getMarginBottom())\n    );\n  }\n  getPageAvailableWidthMM() {\n    return this.getPageAvailableWidth() / MM_TO_PX;\n  }\n  getPageAvailableHeightMM() {\n    return this.getPageAvailableHeight() / MM_TO_PX;\n  }\n  getNumberPages() {\n    return Math.ceil(this.canvas.height / this.getCanvasPageAvailableHeight());\n  }\n  getHorizontalFitFactor() {\n    if (this.getPageAvailableWidth() < this.getOriginalCanvasWidth()) {\n      return this.getOriginalCanvasWidth() / this.getPageAvailableWidth();\n    }\n    return 1;\n  }\n  getCanvasOffsetY(pageNumber: number) {\n    return this.getCanvasPageAvailableHeight() * (pageNumber - 1);\n  }\n  getCanvasHeightLeft(pageNumber: number) {\n    return this.canvas.height - this.getCanvasOffsetY(pageNumber);\n  }\n  getCanvasPageHeight(pageNumber: number) {\n    if (this.canvas.height < this.getCanvasPageAvailableHeight()) {\n      return this.canvas.height;\n    }\n    const canvasHeightPending = this.getCanvasHeightLeft(pageNumber);\n    return canvasHeightPending < this.getCanvasPageAvailableHeight()\n      ? canvasHeightPending\n      : this.getCanvasPageAvailableHeight();\n  }\n  getCanvasPageWidth() {\n    return this.canvas.width;\n  }\n  createCanvasPage(pageNumber: number): HTMLCanvasElement {\n    const canvasPageWidth = this.getCanvasPageWidth();\n    const canvasPageHeight = this.getCanvasPageHeight(pageNumber);\n    const canvasPage = document.createElement(\"canvas\");\n    canvasPage.setAttribute(\"width\", String(canvasPageWidth));\n    canvasPage.setAttribute(\"height\", String(canvasPageHeight));\n    const ctx = canvasPage.getContext(\"2d\");\n    ctx.drawImage(\n      this.canvas,\n      0,\n      this.getCanvasOffsetY(pageNumber),\n      this.canvas.width,\n      canvasPageHeight,\n      0,\n      0,\n      this.canvas.width,\n      canvasPageHeight\n    );\n    return canvasPage;\n  }\n  convert(): InstanceType<typeof jsPDF> {\n    let pageNumber = 1;\n    const numberPages = this.getNumberPages();\n    while (pageNumber <= numberPages) {\n      if (pageNumber > 1) {\n        this.pdf.addPage(\n          this.options.page.format,\n          this.options.page.orientation\n        );\n      }\n      const canvasPage = this.createCanvasPage(pageNumber);\n      const pageImageDataURL = canvasPage.toDataURL(\n        this.options.canvas.mimeType,\n        this.options.canvas.qualityRatio\n      );\n      this.pdf.setPage(pageNumber);\n      this.pdf.addImage({\n        imageData: pageImageDataURL,\n        width:\n          canvasPage.width /\n          (this.getScale() * MM_TO_PX * this.getHorizontalFitFactor()),\n        height:\n          canvasPage.height /\n          (this.getScale() * MM_TO_PX * this.getHorizontalFitFactor()),\n        x: this.getMarginLeftMM(),\n        y: this.getMarginTopMM(),\n      });\n      pageNumber += 1;\n    }\n    return this.pdf;\n  }\n}\n", "import { ConversionOptions } from \"./types\";\n\nexport const MM_TO_PX = 3.77952755906;\n\nexport enum Resolution {\n  LOW = 1,\n  NORMAL = 2,\n  MEDIUM = 3,\n  HIGH = 7,\n  EXTREME = 12,\n}\n\nexport enum Margin {\n  NONE = 0,\n  SMALL = 5,\n  MEDIUM = 10,\n  LARGE = 25,\n}\n\nexport const DEFAULT_OPTIONS: Readonly<ConversionOptions> = {\n  method: \"save\",\n  resolution: Resolution.MEDIUM,\n  page: {\n    margin: Margin.NONE,\n    format: \"A4\",\n    orientation: \"portrait\",\n  },\n  canvas: {\n    mimeType: \"image/jpeg\",\n    qualityRatio: 1,\n    useCORS: true,\n    logging: false,\n  },\n  overrides: {},\n};\n", "import { DEFAULT_OPTIONS } from \"./constants\";\nimport { ConversionOptions, Options } from \"./types\";\n\nexport const buildConvertOptions = (options?: Options): ConversionOptions => {\n  if (!options) {\n    return DEFAULT_OPTIONS;\n  }\n  return {\n    ...DEFAULT_OPTIONS,\n    ...options,\n    canvas: { ...DEFAULT_OPTIONS.canvas, ...options.canvas },\n    page: { ...DEFAULT_OPTIONS.page, ...options.page },\n  };\n};\n"],
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  "names": ["Resolution", "Margin"]
}