vue-book-reader/lib/pdf-CsfA1oys.js

vue-book-reader is a vue wrapper for [foliate-js](https://github.com/johnfactotum/foliate-js) - library for rendering e-books in the browser. Supports EPUB, MOBI, KF8 (AZW3), FB2, CBZ, PDF (experimental; requires PDF.js), or add support for other formats

const f = `
/* Copyright 2014 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

:root {
  --highlight-bg-color: rgb(180 0 170);
  --highlight-selected-bg-color: rgb(0 100 0);
}

@media screen and (forced-colors: active) {
  :root {
    --highlight-bg-color: Highlight;
    --highlight-selected-bg-color: ButtonText;
  }
}

.textLayer {
  position: absolute;
  text-align: initial;
  inset: 0;
  overflow: hidden;
  opacity: 0.25;
  line-height: 1;
  text-size-adjust: none;
  forced-color-adjust: none;
  transform-origin: 0 0;
  z-index: 2;
}

.textLayer :is(span, br) {
  color: transparent;
  position: absolute;
  white-space: pre;
  cursor: text;
  transform-origin: 0% 0%;
}

/* Only necessary in Google Chrome, see issue 14205, and most unfortunately
 * the problem doesn't show up in "text" reference tests. */
/*#if !MOZCENTRAL*/
.textLayer span.markedContent {
  top: 0;
  height: 0;
}
/*#endif*/

.textLayer .highlight {
  margin: -1px;
  padding: 1px;
  background-color: var(--highlight-bg-color);
  border-radius: 4px;
}

.textLayer .highlight.appended {
  position: initial;
}

.textLayer .highlight.begin {
  border-radius: 4px 0 0 4px;
}

.textLayer .highlight.end {
  border-radius: 0 4px 4px 0;
}

.textLayer .highlight.middle {
  border-radius: 0;
}

.textLayer .highlight.selected {
  background-color: var(--highlight-selected-bg-color);
}

.textLayer ::selection {
  /*#if !MOZCENTRAL*/
  background: blue;
  /*#endif*/
  background: AccentColor; /* stylelint-disable-line declaration-block-no-duplicate-properties */
}

/* Avoids https://github.com/mozilla/pdf.js/issues/13840 in Chrome */
/*#if !MOZCENTRAL*/
.textLayer br::selection {
  background: transparent;
}
/*#endif*/

.textLayer .endOfContent {
  display: block;
  position: absolute;
  inset: 100% 0 0;
  z-index: -1;
  cursor: default;
  user-select: none;
}

.textLayer .endOfContent.active {
  top: 0;
}
`, L = `
/* Copyright 2014 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

:root {
  --annotation-unfocused-field-background: url("data:image/svg+xml;charset=UTF-8,<svg width='1px' height='1px' xmlns='http://www.w3.org/2000/svg'><rect width='100%' height='100%' style='fill:rgba(0, 54, 255, 0.13);'/></svg>");
  --input-focus-border-color: Highlight;
  --input-focus-outline: 1px solid Canvas;
  --input-unfocused-border-color: transparent;
  --input-disabled-border-color: transparent;
  --input-hover-border-color: black;
  --link-outline: none;
}

@media screen and (forced-colors: active) {
  :root {
    --input-focus-border-color: CanvasText;
    --input-unfocused-border-color: ActiveText;
    --input-disabled-border-color: GrayText;
    --input-hover-border-color: Highlight;
    --link-outline: 1.5px solid LinkText;
    --hcm-highligh-filter: invert(100%);
  }
  .annotationLayer .textWidgetAnnotation :is(input, textarea):required,
  .annotationLayer .choiceWidgetAnnotation select:required,
  .annotationLayer
    .buttonWidgetAnnotation:is(.checkBox, .radioButton)
    input:required {
    outline: 1.5px solid selectedItem;
  }

  .annotationLayer .linkAnnotation:hover {
    backdrop-filter: var(--hcm-highligh-filter);
  }

  .annotationLayer .linkAnnotation > a:hover {
    opacity: 0 !important;
    background: none !important;
    box-shadow: none;
  }

  .annotationLayer .popupAnnotation .popup {
    outline: calc(1.5px * var(--scale-factor)) solid CanvasText !important;
    background-color: ButtonFace !important;
    color: ButtonText !important;
  }

  .annotationLayer .highlightArea:hover::after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backdrop-filter: var(--hcm-highligh-filter);
    content: "";
    pointer-events: none;
  }

  .annotationLayer .popupAnnotation.focused .popup {
    outline: calc(3px * var(--scale-factor)) solid Highlight !important;
  }
}

.annotationLayer {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  transform-origin: 0 0;
  z-index: 3;
}

.annotationLayer[data-main-rotation="90"] .norotate {
  transform: rotate(270deg) translateX(-100%);
}
.annotationLayer[data-main-rotation="180"] .norotate {
  transform: rotate(180deg) translate(-100%, -100%);
}
.annotationLayer[data-main-rotation="270"] .norotate {
  transform: rotate(90deg) translateY(-100%);
}

.annotationLayer canvas {
  position: absolute;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.annotationLayer section {
  position: absolute;
  text-align: initial;
  pointer-events: auto;
  box-sizing: border-box;
  transform-origin: 0 0;
}

.annotationLayer .linkAnnotation {
  outline: var(--link-outline);
}

.annotationLayer :is(.linkAnnotation, .buttonWidgetAnnotation.pushButton) > a {
  position: absolute;
  font-size: 1em;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.annotationLayer
  :is(.linkAnnotation, .buttonWidgetAnnotation.pushButton):not(.hasBorder)
  > a:hover {
  opacity: 0.2;
  background-color: rgb(255 255 0);
  box-shadow: 0 2px 10px rgb(255 255 0);
}

.annotationLayer .linkAnnotation.hasBorder:hover {
  background-color: rgb(255 255 0 / 0.2);
}

.annotationLayer .hasBorder {
  background-size: 100% 100%;
}

.annotationLayer .textAnnotation img {
  position: absolute;
  cursor: pointer;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.annotationLayer .textWidgetAnnotation :is(input, textarea),
.annotationLayer .choiceWidgetAnnotation select,
.annotationLayer .buttonWidgetAnnotation:is(.checkBox, .radioButton) input {
  background-image: var(--annotation-unfocused-field-background);
  border: 2px solid var(--input-unfocused-border-color);
  box-sizing: border-box;
  font: calc(9px * var(--scale-factor)) sans-serif;
  height: 100%;
  margin: 0;
  vertical-align: top;
  width: 100%;
}

.annotationLayer .textWidgetAnnotation :is(input, textarea):required,
.annotationLayer .choiceWidgetAnnotation select:required,
.annotationLayer
  .buttonWidgetAnnotation:is(.checkBox, .radioButton)
  input:required {
  outline: 1.5px solid red;
}

.annotationLayer .choiceWidgetAnnotation select option {
  padding: 0;
}

.annotationLayer .buttonWidgetAnnotation.radioButton input {
  border-radius: 50%;
}

.annotationLayer .textWidgetAnnotation textarea {
  resize: none;
}

.annotationLayer .textWidgetAnnotation :is(input, textarea)[disabled],
.annotationLayer .choiceWidgetAnnotation select[disabled],
.annotationLayer
  .buttonWidgetAnnotation:is(.checkBox, .radioButton)
  input[disabled] {
  background: none;
  border: 2px solid var(--input-disabled-border-color);
  cursor: not-allowed;
}

.annotationLayer .textWidgetAnnotation :is(input, textarea):hover,
.annotationLayer .choiceWidgetAnnotation select:hover,
.annotationLayer
  .buttonWidgetAnnotation:is(.checkBox, .radioButton)
  input:hover {
  border: 2px solid var(--input-hover-border-color);
}
.annotationLayer .textWidgetAnnotation :is(input, textarea):hover,
.annotationLayer .choiceWidgetAnnotation select:hover,
.annotationLayer .buttonWidgetAnnotation.checkBox input:hover {
  border-radius: 2px;
}

.annotationLayer .textWidgetAnnotation :is(input, textarea):focus,
.annotationLayer .choiceWidgetAnnotation select:focus {
  background: none;
  border: 2px solid var(--input-focus-border-color);
  border-radius: 2px;
  outline: var(--input-focus-outline);
}

.annotationLayer .buttonWidgetAnnotation:is(.checkBox, .radioButton) :focus {
  background-image: none;
  background-color: transparent;
}

.annotationLayer .buttonWidgetAnnotation.checkBox :focus {
  border: 2px solid var(--input-focus-border-color);
  border-radius: 2px;
  outline: var(--input-focus-outline);
}

.annotationLayer .buttonWidgetAnnotation.radioButton :focus {
  border: 2px solid var(--input-focus-border-color);
  outline: var(--input-focus-outline);
}

.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::before,
.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::after,
.annotationLayer .buttonWidgetAnnotation.radioButton input:checked::before {
  background-color: CanvasText;
  content: "";
  display: block;
  position: absolute;
}

.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::before,
.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::after {
  height: 80%;
  left: 45%;
  width: 1px;
}

.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::before {
  transform: rotate(45deg);
}

.annotationLayer .buttonWidgetAnnotation.checkBox input:checked::after {
  transform: rotate(-45deg);
}

.annotationLayer .buttonWidgetAnnotation.radioButton input:checked::before {
  border-radius: 50%;
  height: 50%;
  left: 30%;
  top: 20%;
  width: 50%;
}

.annotationLayer .textWidgetAnnotation input.comb {
  font-family: monospace;
  padding-left: 2px;
  padding-right: 0;
}

.annotationLayer .textWidgetAnnotation input.comb:focus {
  /*
   * Letter spacing is placed on the right side of each character. Hence, the
   * letter spacing of the last character may be placed outside the visible
   * area, causing horizontal scrolling. We avoid this by extending the width
   * when the element has focus and revert this when it loses focus.
   */
  width: 103%;
}

.annotationLayer .buttonWidgetAnnotation:is(.checkBox, .radioButton) input {
  appearance: none;
}

.annotationLayer .fileAttachmentAnnotation .popupTriggerArea {
  height: 100%;
  width: 100%;
}

.annotationLayer .popupAnnotation {
  position: absolute;
  font-size: calc(9px * var(--scale-factor));
  pointer-events: none;
  width: max-content;
  max-width: 45%;
  height: auto;
}

.annotationLayer .popup {
  background-color: rgb(255 255 153);
  box-shadow: 0 calc(2px * var(--scale-factor)) calc(5px * var(--scale-factor))
    rgb(136 136 136);
  border-radius: calc(2px * var(--scale-factor));
  outline: 1.5px solid rgb(255 255 74);
  padding: calc(6px * var(--scale-factor));
  cursor: pointer;
  font: message-box;
  white-space: normal;
  word-wrap: break-word;
  pointer-events: auto;
}

.annotationLayer .popupAnnotation.focused .popup {
  outline-width: 3px;
}

.annotationLayer .popup * {
  font-size: calc(9px * var(--scale-factor));
}

.annotationLayer .popup > .header {
  display: inline-block;
}

.annotationLayer .popup > .header h1 {
  display: inline;
}

.annotationLayer .popup > .header .popupDate {
  display: inline-block;
  margin-left: calc(5px * var(--scale-factor));
  width: fit-content;
}

.annotationLayer .popupContent {
  border-top: 1px solid rgb(51 51 51);
  margin-top: calc(2px * var(--scale-factor));
  padding-top: calc(2px * var(--scale-factor));
}

.annotationLayer .richText > * {
  white-space: pre-wrap;
  font-size: calc(9px * var(--scale-factor));
}

.annotationLayer .popupTriggerArea {
  cursor: pointer;
}

.annotationLayer section svg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.annotationLayer .annotationTextContent {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  color: transparent;
  user-select: none;
  pointer-events: none;
}

.annotationLayer .annotationTextContent span {
  width: 100%;
  display: inline-block;
}

.annotationLayer svg.quadrilateralsContainer {
  contain: strict;
  width: 0;
  height: 0;
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
}
`, g = async (e, u) => {
  const o = e.getViewport({ scale: 1 }), a = o.width / o.height, d = innerWidth / innerHeight / a, l = devicePixelRatio * d, r = e.getViewport({ scale: l }), n = document.createElement("canvas");
  n.height = r.height, n.width = r.width;
  const t = n.getContext("2d");
  await e.render({ canvasContext: t, viewport: r }).promise;
  const i = await new Promise((p) => n.toBlob(p));
  if (u)
    return i;
  const s = document.createElement("div");
  s.classList.add("textLayer"), await pdfjsLib.renderTextLayer({
    textContentSource: await e.getTextContent(),
    container: s,
    viewport: r
  }).promise;
  const h = document.createElement("div");
  h.classList.add("annotationLayer"), await new pdfjsLib.AnnotationLayer({ page: e, viewport: r, div: h }).render({
    annotations: await e.getAnnotations(),
    linkService: {
      getDestinationHash: (p) => JSON.stringify(p),
      addLinkAttributes: (p, y) => p.href = y
    }
  });
  const x = URL.createObjectURL(i);
  return URL.createObjectURL(new Blob([`
        <!DOCTYPE html>
        <meta charset="utf-8">
        <style>
        :root {
            --scale-factor: ${l};
        }
        html, body {
            margin: 0;
            padding: 0;
        }
        ${f}
        ${L}
        </style>
        <img src="${x}">
        ${s.outerHTML}
        ${h.outerHTML}
    `], { type: "text/html" }));
}, b = (e) => ({
  label: e.title,
  href: JSON.stringify(e.dest),
  subitems: e.items.length ? e.items.map(b) : null
}), v = async (e) => {
  var r;
  const u = new Uint8Array(await e.arrayBuffer()), o = await pdfjsLib.getDocument({ data: u }).promise, a = { rendition: { layout: "pre-paginated" } }, c = (r = await o.getMetadata()) == null ? void 0 : r.info;
  a.metadata = {
    title: c == null ? void 0 : c.Title,
    author: c == null ? void 0 : c.Author
  };
  const d = await o.getOutline();
  a.toc = d == null ? void 0 : d.map(b);
  const l = /* @__PURE__ */ new Map();
  return a.sections = Array.from({ length: o.numPages }).map((n, t) => ({
    id: t,
    load: async () => {
      const i = l.get(t);
      if (i)
        return i;
      const s = await g(await o.getPage(t + 1));
      return l.set(t, s), s;
    },
    size: 1e3
  })), a.sections[0].pageSpread = "right", a.isExternal = (n) => /^\w+:/i.test(n), a.resolveHref = async (n) => {
    const t = JSON.parse(n), i = typeof t == "string" ? await o.getDestination(t) : t;
    return { index: await o.getPageIndex(i[0]) };
  }, a.splitTOCHref = async (n) => {
    const t = JSON.parse(n), i = typeof t == "string" ? await o.getDestination(t) : t;
    return [await o.getPageIndex(i[0]), null];
  }, a.getTOCFragment = (n) => n.documentElement, a.getCover = async () => g(await o.getPage(1), !0), a;
};
export {
  v as makePDF
};