@sync-in/server
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The secure, open-source platform for file storage, sharing, collaboration, and sync
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JavaScript
/**
* @licstart The following is the entire license notice for the
* JavaScript code in this page
*
* Copyright 2024 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.
*
* @licend The above is the entire license notice for the
* JavaScript code in this page
*/
/**
* pdfjsVersion = 5.4.54
* pdfjsBuild = 295fb3ec4
*/
;// ./web/pdfjs.js
const {
AbortException,
AnnotationEditorLayer,
AnnotationEditorParamsType,
AnnotationEditorType,
AnnotationEditorUIManager,
AnnotationLayer,
AnnotationMode,
AnnotationType,
build,
ColorPicker,
createValidAbsoluteUrl,
DOMSVGFactory,
DrawLayer,
FeatureTest,
fetchData,
getDocument,
getFilenameFromUrl,
getPdfFilenameFromUrl: pdfjs_getPdfFilenameFromUrl,
getRGB,
getUuid,
getXfaPageViewport,
GlobalWorkerOptions,
ImageKind,
InvalidPDFException,
isDataScheme,
isPdfFile,
isValidExplicitDest,
MathClamp,
noContextMenu,
normalizeUnicode,
OPS,
OutputScale,
PasswordResponses,
PDFDataRangeTransport,
PDFDateString,
PDFWorker,
PermissionFlag,
PixelsPerInch,
RenderingCancelledException,
ResponseException,
setLayerDimensions,
shadow,
SignatureExtractor,
stopEvent,
SupportedImageMimeTypes,
TextLayer,
TouchManager,
updateUrlHash,
Util,
VerbosityLevel,
version,
XfaLayer
} = globalThis.pdfjsLib;
;// ./web/ui_utils.js
const DEFAULT_SCALE_VALUE = "auto";
const DEFAULT_SCALE = 1.0;
const DEFAULT_SCALE_DELTA = 1.1;
const MIN_SCALE = 0.1;
const MAX_SCALE = 10.0;
const UNKNOWN_SCALE = 0;
const MAX_AUTO_SCALE = 1.25;
const SCROLLBAR_PADDING = 40;
const VERTICAL_PADDING = 5;
const RenderingStates = {
INITIAL: 0,
RUNNING: 1,
PAUSED: 2,
FINISHED: 3
};
const PresentationModeState = {
UNKNOWN: 0,
NORMAL: 1,
CHANGING: 2,
FULLSCREEN: 3
};
const SidebarView = {
UNKNOWN: -1,
NONE: 0,
THUMBS: 1,
OUTLINE: 2,
ATTACHMENTS: 3,
LAYERS: 4
};
const TextLayerMode = {
DISABLE: 0,
ENABLE: 1,
ENABLE_PERMISSIONS: 2
};
const ScrollMode = {
UNKNOWN: -1,
VERTICAL: 0,
HORIZONTAL: 1,
WRAPPED: 2,
PAGE: 3
};
const SpreadMode = {
UNKNOWN: -1,
NONE: 0,
ODD: 1,
EVEN: 2
};
const CursorTool = {
SELECT: 0,
HAND: 1,
ZOOM: 2
};
const AutoPrintRegExp = /\bprint\s*\(/;
function scrollIntoView(element, spot, scrollMatches = false) {
let parent = element.offsetParent;
if (!parent) {
console.error("offsetParent is not set -- cannot scroll");
return;
}
let offsetY = element.offsetTop + element.clientTop;
let offsetX = element.offsetLeft + element.clientLeft;
while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || scrollMatches && (parent.classList.contains("markedContent") || getComputedStyle(parent).overflow === "hidden")) {
offsetY += parent.offsetTop;
offsetX += parent.offsetLeft;
parent = parent.offsetParent;
if (!parent) {
return;
}
}
if (spot) {
if (spot.top !== undefined) {
offsetY += spot.top;
}
if (spot.left !== undefined) {
offsetX += spot.left;
parent.scrollLeft = offsetX;
}
}
parent.scrollTop = offsetY;
}
function watchScroll(viewAreaElement, callback, abortSignal = undefined) {
const debounceScroll = function (evt) {
if (rAF) {
return;
}
rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
rAF = null;
const currentX = viewAreaElement.scrollLeft;
const lastX = state.lastX;
if (currentX !== lastX) {
state.right = currentX > lastX;
}
state.lastX = currentX;
const currentY = viewAreaElement.scrollTop;
const lastY = state.lastY;
if (currentY !== lastY) {
state.down = currentY > lastY;
}
state.lastY = currentY;
callback(state);
});
};
const state = {
right: true,
down: true,
lastX: viewAreaElement.scrollLeft,
lastY: viewAreaElement.scrollTop,
_eventHandler: debounceScroll
};
let rAF = null;
viewAreaElement.addEventListener("scroll", debounceScroll, {
useCapture: true,
signal: abortSignal
});
abortSignal?.addEventListener("abort", () => window.cancelAnimationFrame(rAF), {
once: true
});
return state;
}
function parseQueryString(query) {
const params = new Map();
for (const [key, value] of new URLSearchParams(query)) {
params.set(key.toLowerCase(), value);
}
return params;
}
const InvisibleCharsRegExp = /[\x00-\x1F]/g;
function removeNullCharacters(str, replaceInvisible = false) {
if (!InvisibleCharsRegExp.test(str)) {
return str;
}
if (replaceInvisible) {
return str.replaceAll(InvisibleCharsRegExp, m => m === "\x00" ? "" : " ");
}
return str.replaceAll("\x00", "");
}
function binarySearchFirstItem(items, condition, start = 0) {
let minIndex = start;
let maxIndex = items.length - 1;
if (maxIndex < 0 || !condition(items[maxIndex])) {
return items.length;
}
if (condition(items[minIndex])) {
return minIndex;
}
while (minIndex < maxIndex) {
const currentIndex = minIndex + maxIndex >> 1;
const currentItem = items[currentIndex];
if (condition(currentItem)) {
maxIndex = currentIndex;
} else {
minIndex = currentIndex + 1;
}
}
return minIndex;
}
function approximateFraction(x) {
if (Math.floor(x) === x) {
return [x, 1];
}
const xinv = 1 / x;
const limit = 8;
if (xinv > limit) {
return [1, limit];
} else if (Math.floor(xinv) === xinv) {
return [1, xinv];
}
const x_ = x > 1 ? xinv : x;
let a = 0,
b = 1,
c = 1,
d = 1;
while (true) {
const p = a + c,
q = b + d;
if (q > limit) {
break;
}
if (x_ <= p / q) {
c = p;
d = q;
} else {
a = p;
b = q;
}
}
let result;
if (x_ - a / b < c / d - x_) {
result = x_ === x ? [a, b] : [b, a];
} else {
result = x_ === x ? [c, d] : [d, c];
}
return result;
}
function floorToDivide(x, div) {
return x - x % div;
}
function getPageSizeInches({
view,
userUnit,
rotate
}) {
const [x1, y1, x2, y2] = view;
const changeOrientation = rotate % 180 !== 0;
const width = (x2 - x1) / 72 * userUnit;
const height = (y2 - y1) / 72 * userUnit;
return {
width: changeOrientation ? height : width,
height: changeOrientation ? width : height
};
}
function backtrackBeforeAllVisibleElements(index, views, top) {
if (index < 2) {
return index;
}
let elt = views[index].div;
let pageTop = elt.offsetTop + elt.clientTop;
if (pageTop >= top) {
elt = views[index - 1].div;
pageTop = elt.offsetTop + elt.clientTop;
}
for (let i = index - 2; i >= 0; --i) {
elt = views[i].div;
if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
break;
}
index = i;
}
return index;
}
function getVisibleElements({
scrollEl,
views,
sortByVisibility = false,
horizontal = false,
rtl = false
}) {
const top = scrollEl.scrollTop,
bottom = top + scrollEl.clientHeight;
const left = scrollEl.scrollLeft,
right = left + scrollEl.clientWidth;
function isElementBottomAfterViewTop(view) {
const element = view.div;
const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
return elementBottom > top;
}
function isElementNextAfterViewHorizontally(view) {
const element = view.div;
const elementLeft = element.offsetLeft + element.clientLeft;
const elementRight = elementLeft + element.clientWidth;
return rtl ? elementLeft < right : elementRight > left;
}
const visible = [],
ids = new Set(),
numViews = views.length;
let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop);
if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
}
let lastEdge = horizontal ? right : -1;
for (let i = firstVisibleElementInd; i < numViews; i++) {
const view = views[i],
element = view.div;
const currentWidth = element.offsetLeft + element.clientLeft;
const currentHeight = element.offsetTop + element.clientTop;
const viewWidth = element.clientWidth,
viewHeight = element.clientHeight;
const viewRight = currentWidth + viewWidth;
const viewBottom = currentHeight + viewHeight;
if (lastEdge === -1) {
if (viewBottom >= bottom) {
lastEdge = viewBottom;
}
} else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
break;
}
if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
continue;
}
const minY = Math.max(0, top - currentHeight);
const minX = Math.max(0, left - currentWidth);
const hiddenHeight = minY + Math.max(0, viewBottom - bottom);
const hiddenWidth = minX + Math.max(0, viewRight - right);
const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,
fractionWidth = (viewWidth - hiddenWidth) / viewWidth;
const percent = fractionHeight * fractionWidth * 100 | 0;
visible.push({
id: view.id,
x: currentWidth,
y: currentHeight,
visibleArea: percent === 100 ? null : {
minX,
minY,
maxX: Math.min(viewRight, right) - currentWidth,
maxY: Math.min(viewBottom, bottom) - currentHeight
},
view,
percent,
widthPercent: fractionWidth * 100 | 0
});
ids.add(view.id);
}
const first = visible[0],
last = visible.at(-1);
if (sortByVisibility) {
visible.sort(function (a, b) {
const pc = a.percent - b.percent;
if (Math.abs(pc) > 0.001) {
return -pc;
}
return a.id - b.id;
});
}
return {
first,
last,
views: visible,
ids
};
}
function normalizeWheelEventDirection(evt) {
let delta = Math.hypot(evt.deltaX, evt.deltaY);
const angle = Math.atan2(evt.deltaY, evt.deltaX);
if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
delta = -delta;
}
return delta;
}
function normalizeWheelEventDelta(evt) {
const deltaMode = evt.deltaMode;
let delta = normalizeWheelEventDirection(evt);
const MOUSE_PIXELS_PER_LINE = 30;
const MOUSE_LINES_PER_PAGE = 30;
if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
} else if (deltaMode === WheelEvent.DOM_DELTA_LINE) {
delta /= MOUSE_LINES_PER_PAGE;
}
return delta;
}
function isValidRotation(angle) {
return Number.isInteger(angle) && angle % 90 === 0;
}
function isValidScrollMode(mode) {
return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
}
function isValidSpreadMode(mode) {
return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
}
function isPortraitOrientation(size) {
return size.width <= size.height;
}
const animationStarted = new Promise(function (resolve) {
window.requestAnimationFrame(resolve);
});
const docStyle = document.documentElement.style;
class ProgressBar {
#classList = null;
#disableAutoFetchTimeout = null;
#percent = 0;
#style = null;
#visible = true;
constructor(bar) {
this.#classList = bar.classList;
this.#style = bar.style;
}
get percent() {
return this.#percent;
}
set percent(val) {
this.#percent = MathClamp(val, 0, 100);
if (isNaN(val)) {
this.#classList.add("indeterminate");
return;
}
this.#classList.remove("indeterminate");
this.#style.setProperty("--progressBar-percent", `${this.#percent}%`);
}
setWidth(viewer) {
if (!viewer) {
return;
}
const container = viewer.parentNode;
const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
if (scrollbarWidth > 0) {
this.#style.setProperty("--progressBar-end-offset", `${scrollbarWidth}px`);
}
}
setDisableAutoFetch(delay = 5000) {
if (this.#percent === 100 || isNaN(this.#percent)) {
return;
}
if (this.#disableAutoFetchTimeout) {
clearTimeout(this.#disableAutoFetchTimeout);
}
this.show();
this.#disableAutoFetchTimeout = setTimeout(() => {
this.#disableAutoFetchTimeout = null;
this.hide();
}, delay);
}
hide() {
if (!this.#visible) {
return;
}
this.#visible = false;
this.#classList.add("hidden");
}
show() {
if (this.#visible) {
return;
}
this.#visible = true;
this.#classList.remove("hidden");
}
}
function getActiveOrFocusedElement() {
let curRoot = document;
let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
while (curActiveOrFocused?.shadowRoot) {
curRoot = curActiveOrFocused.shadowRoot;
curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
}
return curActiveOrFocused;
}
function apiPageLayoutToViewerModes(layout) {
let scrollMode = ScrollMode.VERTICAL,
spreadMode = SpreadMode.NONE;
switch (layout) {
case "SinglePage":
scrollMode = ScrollMode.PAGE;
break;
case "OneColumn":
break;
case "TwoPageLeft":
scrollMode = ScrollMode.PAGE;
case "TwoColumnLeft":
spreadMode = SpreadMode.ODD;
break;
case "TwoPageRight":
scrollMode = ScrollMode.PAGE;
case "TwoColumnRight":
spreadMode = SpreadMode.EVEN;
break;
}
return {
scrollMode,
spreadMode
};
}
function apiPageModeToSidebarView(mode) {
switch (mode) {
case "UseNone":
return SidebarView.NONE;
case "UseThumbs":
return SidebarView.THUMBS;
case "UseOutlines":
return SidebarView.OUTLINE;
case "UseAttachments":
return SidebarView.ATTACHMENTS;
case "UseOC":
return SidebarView.LAYERS;
}
return SidebarView.NONE;
}
function toggleCheckedBtn(button, toggle, view = null) {
button.classList.toggle("toggled", toggle);
button.setAttribute("aria-checked", toggle);
view?.classList.toggle("hidden", !toggle);
}
function toggleExpandedBtn(button, toggle, view = null) {
button.classList.toggle("toggled", toggle);
button.setAttribute("aria-expanded", toggle);
view?.classList.toggle("hidden", !toggle);
}
const calcRound = function () {
const e = document.createElement("div");
e.style.width = "round(down, calc(1.6666666666666665 * 792px), 1px)";
return e.style.width === "calc(1320px)" ? Math.fround : x => x;
}();
;// ./web/app_options.js
{
var compatParams = new Map();
const {
maxTouchPoints,
platform,
userAgent
} = navigator;
const isAndroid = /Android/.test(userAgent);
const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
(function () {
if (isIOS || isAndroid) {
compatParams.set("maxCanvasPixels", 5242880);
}
})();
(function () {
if (isAndroid) {
compatParams.set("useSystemFonts", false);
}
})();
}
const OptionKind = {
BROWSER: 0x01,
VIEWER: 0x02,
API: 0x04,
WORKER: 0x08,
EVENT_DISPATCH: 0x10,
PREFERENCE: 0x80
};
const Type = {
BOOLEAN: 0x01,
NUMBER: 0x02,
OBJECT: 0x04,
STRING: 0x08,
UNDEFINED: 0x10
};
const defaultOptions = {
allowedGlobalEvents: {
value: null,
kind: OptionKind.BROWSER
},
canvasMaxAreaInBytes: {
value: -1,
kind: OptionKind.BROWSER + OptionKind.API
},
isInAutomation: {
value: false,
kind: OptionKind.BROWSER
},
localeProperties: {
value: {
lang: navigator.language || "en-US"
},
kind: OptionKind.BROWSER
},
maxCanvasDim: {
value: 32767,
kind: OptionKind.BROWSER + OptionKind.VIEWER
},
nimbusDataStr: {
value: "",
kind: OptionKind.BROWSER
},
supportsCaretBrowsingMode: {
value: false,
kind: OptionKind.BROWSER
},
supportsDocumentFonts: {
value: true,
kind: OptionKind.BROWSER
},
supportsIntegratedFind: {
value: false,
kind: OptionKind.BROWSER
},
supportsMouseWheelZoomCtrlKey: {
value: true,
kind: OptionKind.BROWSER
},
supportsMouseWheelZoomMetaKey: {
value: true,
kind: OptionKind.BROWSER
},
supportsPinchToZoom: {
value: true,
kind: OptionKind.BROWSER
},
supportsPrinting: {
value: true,
kind: OptionKind.BROWSER
},
toolbarDensity: {
value: 0,
kind: OptionKind.BROWSER + OptionKind.EVENT_DISPATCH
},
altTextLearnMoreUrl: {
value: "",
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
annotationEditorMode: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
annotationMode: {
value: 2,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
capCanvasAreaFactor: {
value: 200,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
cursorToolOnLoad: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
debuggerSrc: {
value: "./debugger.mjs",
kind: OptionKind.VIEWER
},
defaultZoomDelay: {
value: 400,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
defaultZoomValue: {
value: "",
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
disableHistory: {
value: false,
kind: OptionKind.VIEWER
},
disablePageLabels: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enableAltText: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enableAltTextModelDownload: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE + OptionKind.EVENT_DISPATCH
},
enableAutoLinking: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enableComment: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enableDetailCanvas: {
value: true,
kind: OptionKind.VIEWER
},
enableGuessAltText: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE + OptionKind.EVENT_DISPATCH
},
enableHighlightFloatingButton: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enableNewAltTextWhenAddingImage: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enablePermissions: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enablePrintAutoRotate: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enableScripting: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enableSignatureEditor: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enableUpdatedAddImage: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
externalLinkRel: {
value: "noopener noreferrer nofollow",
kind: OptionKind.VIEWER
},
externalLinkTarget: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
highlightEditorColors: {
value: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F," + "yellow_HCM=#FFFFCC,green_HCM=#53FFBC,blue_HCM=#80EBFF,pink_HCM=#F6B8FF,red_HCM=#C50043",
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
historyUpdateUrl: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
ignoreDestinationZoom: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
imageResourcesPath: {
value: "./images/",
kind: OptionKind.VIEWER
},
maxCanvasPixels: {
value: 2 ** 25,
kind: OptionKind.VIEWER
},
minDurationToUpdateCanvas: {
value: 500,
kind: OptionKind.VIEWER
},
forcePageColors: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
pageColorsBackground: {
value: "Canvas",
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
pageColorsForeground: {
value: "CanvasText",
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
pdfBugEnabled: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
printResolution: {
value: 150,
kind: OptionKind.VIEWER
},
sidebarViewOnLoad: {
value: -1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
scrollModeOnLoad: {
value: -1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
spreadModeOnLoad: {
value: -1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
textLayerMode: {
value: 1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
viewerCssTheme: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
viewOnLoad: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
cMapPacked: {
value: true,
kind: OptionKind.API
},
cMapUrl: {
value: "../web/cmaps/",
kind: OptionKind.API
},
disableAutoFetch: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE
},
disableFontFace: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE
},
disableRange: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE
},
disableStream: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE
},
docBaseUrl: {
value: "",
kind: OptionKind.API
},
enableHWA: {
value: true,
kind: OptionKind.API + OptionKind.VIEWER + OptionKind.PREFERENCE
},
enableXfa: {
value: true,
kind: OptionKind.API + OptionKind.PREFERENCE
},
fontExtraProperties: {
value: false,
kind: OptionKind.API
},
iccUrl: {
value: "../web/iccs/",
kind: OptionKind.API
},
isEvalSupported: {
value: true,
kind: OptionKind.API
},
isOffscreenCanvasSupported: {
value: true,
kind: OptionKind.API
},
maxImageSize: {
value: -1,
kind: OptionKind.API
},
pdfBug: {
value: false,
kind: OptionKind.API
},
standardFontDataUrl: {
value: "../web/standard_fonts/",
kind: OptionKind.API
},
useSystemFonts: {
value: undefined,
kind: OptionKind.API,
type: Type.BOOLEAN + Type.UNDEFINED
},
verbosity: {
value: 1,
kind: OptionKind.API
},
wasmUrl: {
value: "../web/wasm/",
kind: OptionKind.API
},
workerPort: {
value: null,
kind: OptionKind.WORKER
},
workerSrc: {
value: "../build/pdf.worker.mjs",
kind: OptionKind.WORKER
}
};
{
defaultOptions.defaultUrl = {
value: "compressed.tracemonkey-pldi-09.pdf",
kind: OptionKind.VIEWER
};
defaultOptions.sandboxBundleSrc = {
value: "../build/pdf.sandbox.mjs",
kind: OptionKind.VIEWER
};
defaultOptions.enableFakeMLManager = {
value: true,
kind: OptionKind.VIEWER
};
}
{
defaultOptions.disablePreferences = {
value: false,
kind: OptionKind.VIEWER
};
}
class AppOptions {
static eventBus;
static #opts = new Map();
static {
for (const name in defaultOptions) {
this.#opts.set(name, defaultOptions[name].value);
}
for (const [name, value] of compatParams) {
this.#opts.set(name, value);
}
this._hasInvokedSet = false;
this._checkDisablePreferences = () => {
if (this.get("disablePreferences")) {
return true;
}
if (this._hasInvokedSet) {
console.warn("The Preferences may override manually set AppOptions; " + 'please use the "disablePreferences"-option to prevent that.');
}
return false;
};
}
static get(name) {
return this.#opts.get(name);
}
static getAll(kind = null, defaultOnly = false) {
const options = Object.create(null);
for (const name in defaultOptions) {
const defaultOpt = defaultOptions[name];
if (kind && !(kind & defaultOpt.kind)) {
continue;
}
options[name] = !defaultOnly ? this.#opts.get(name) : defaultOpt.value;
}
return options;
}
static set(name, value) {
this.setAll({
[name]: value
});
}
static setAll(options, prefs = false) {
this._hasInvokedSet ||= true;
let events;
for (const name in options) {
const defaultOpt = defaultOptions[name],
userOpt = options[name];
if (!defaultOpt || !(typeof userOpt === typeof defaultOpt.value || Type[(typeof userOpt).toUpperCase()] & defaultOpt.type)) {
continue;
}
const {
kind
} = defaultOpt;
if (prefs && !(kind & OptionKind.BROWSER || kind & OptionKind.PREFERENCE)) {
continue;
}
if (this.eventBus && kind & OptionKind.EVENT_DISPATCH) {
(events ||= new Map()).set(name, userOpt);
}
this.#opts.set(name, userOpt);
}
if (events) {
for (const [name, value] of events) {
this.eventBus.dispatch(name.toLowerCase(), {
source: this,
value
});
}
}
}
}
;// ./web/pdf_link_service.js
const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
const LinkTarget = {
NONE: 0,
SELF: 1,
BLANK: 2,
PARENT: 3,
TOP: 4
};
class PDFLinkService {
externalLinkEnabled = true;
constructor({
eventBus,
externalLinkTarget = null,
externalLinkRel = null,
ignoreDestinationZoom = false
} = {}) {
this.eventBus = eventBus;
this.externalLinkTarget = externalLinkTarget;
this.externalLinkRel = externalLinkRel;
this._ignoreDestinationZoom = ignoreDestinationZoom;
this.baseUrl = null;
this.pdfDocument = null;
this.pdfViewer = null;
this.pdfHistory = null;
}
setDocument(pdfDocument, baseUrl = null) {
this.baseUrl = baseUrl;
this.pdfDocument = pdfDocument;
}
setViewer(pdfViewer) {
this.pdfViewer = pdfViewer;
}
setHistory(pdfHistory) {
this.pdfHistory = pdfHistory;
}
get pagesCount() {
return this.pdfDocument ? this.pdfDocument.numPages : 0;
}
get page() {
return this.pdfDocument ? this.pdfViewer.currentPageNumber : 1;
}
set page(value) {
if (this.pdfDocument) {
this.pdfViewer.currentPageNumber = value;
}
}
get rotation() {
return this.pdfDocument ? this.pdfViewer.pagesRotation : 0;
}
set rotation(value) {
if (this.pdfDocument) {
this.pdfViewer.pagesRotation = value;
}
}
get isInPresentationMode() {
return this.pdfDocument ? this.pdfViewer.isInPresentationMode : false;
}
async goToDestination(dest) {
if (!this.pdfDocument) {
return;
}
let namedDest, explicitDest, pageNumber;
if (typeof dest === "string") {
namedDest = dest;
explicitDest = await this.pdfDocument.getDestination(dest);
} else {
namedDest = null;
explicitDest = await dest;
}
if (!Array.isArray(explicitDest)) {
console.error(`goToDestination: "${explicitDest}" is not a valid destination array, for dest="${dest}".`);
return;
}
const [destRef] = explicitDest;
if (destRef && typeof destRef === "object") {
pageNumber = this.pdfDocument.cachedPageNumber(destRef);
if (!pageNumber) {
try {
pageNumber = (await this.pdfDocument.getPageIndex(destRef)) + 1;
} catch {
console.error(`goToDestination: "${destRef}" is not a valid page reference, for dest="${dest}".`);
return;
}
}
} else if (Number.isInteger(destRef)) {
pageNumber = destRef + 1;
}
if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
console.error(`goToDestination: "${pageNumber}" is not a valid page number, for dest="${dest}".`);
return;
}
if (this.pdfHistory) {
this.pdfHistory.pushCurrentPosition();
this.pdfHistory.push({
namedDest,
explicitDest,
pageNumber
});
}
this.pdfViewer.scrollPageIntoView({
pageNumber,
destArray: explicitDest,
ignoreDestinationZoom: this._ignoreDestinationZoom
});
const ac = new AbortController();
this.eventBus._on("textlayerrendered", evt => {
if (evt.pageNumber === pageNumber) {
evt.source.textLayer.div.focus();
ac.abort();
}
}, {
signal: ac.signal
});
}
goToPage(val) {
if (!this.pdfDocument) {
return;
}
const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0;
if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`);
return;
}
if (this.pdfHistory) {
this.pdfHistory.pushCurrentPosition();
this.pdfHistory.pushPage(pageNumber);
}
this.pdfViewer.scrollPageIntoView({
pageNumber
});
}
addLinkAttributes(link, url, newWindow = false) {
if (!url || typeof url !== "string") {
throw new Error('A valid "url" parameter must provided.');
}
const target = newWindow ? LinkTarget.BLANK : this.externalLinkTarget,
rel = this.externalLinkRel;
if (this.externalLinkEnabled) {
link.href = link.title = url;
} else {
link.href = "";
link.title = `Disabled: ${url}`;
link.onclick = () => false;
}
let targetStr = "";
switch (target) {
case LinkTarget.NONE:
break;
case LinkTarget.SELF:
targetStr = "_self";
break;
case LinkTarget.BLANK:
targetStr = "_blank";
break;
case LinkTarget.PARENT:
targetStr = "_parent";
break;
case LinkTarget.TOP:
targetStr = "_top";
break;
}
link.target = targetStr;
link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
}
getDestinationHash(dest) {
if (typeof dest === "string") {
if (dest.length > 0) {
return this.getAnchorUrl("#" + escape(dest));
}
} else if (Array.isArray(dest)) {
const str = JSON.stringify(dest);
if (str.length > 0) {
return this.getAnchorUrl("#" + escape(str));
}
}
return this.getAnchorUrl("");
}
getAnchorUrl(anchor) {
return this.baseUrl ? this.baseUrl + anchor : anchor;
}
setHash(hash) {
if (!this.pdfDocument) {
return;
}
let pageNumber, dest;
if (hash.includes("=")) {
const params = parseQueryString(hash);
if (params.has("search")) {
const query = params.get("search").replaceAll('"', ""),
phrase = params.get("phrase") === "true";
this.eventBus.dispatch("findfromurlhash", {
source: this,
query: phrase ? query : query.match(/\S+/g)
});
}
if (params.has("page")) {
pageNumber = params.get("page") | 0 || 1;
}
if (params.has("zoom")) {
const zoomArgs = params.get("zoom").split(",");
const zoomArg = zoomArgs[0];
const zoomArgNumber = parseFloat(zoomArg);
if (!zoomArg.includes("Fit")) {
dest = [null, {
name: "XYZ"
}, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
} else if (zoomArg === "Fit" || zoomArg === "FitB") {
dest = [null, {
name: zoomArg
}];
} else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
dest = [null, {
name: zoomArg
}, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
} else if (zoomArg === "FitR") {
if (zoomArgs.length !== 5) {
console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
} else {
dest = [null, {
name: zoomArg
}, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
}
} else {
console.error(`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`);
}
}
if (dest) {
this.pdfViewer.scrollPageIntoView({
pageNumber: pageNumber || this.page,
destArray: dest,
allowNegativeOffset: true
});
} else if (pageNumber) {
this.page = pageNumber;
}
if (params.has("pagemode")) {
this.eventBus.dispatch("pagemode", {
source: this,
mode: params.get("pagemode")
});
}
if (params.has("nameddest")) {
this.goToDestination(params.get("nameddest"));
}
return;
}
dest = unescape(hash);
try {
dest = JSON.parse(dest);
if (!Array.isArray(dest)) {
dest = dest.toString();
}
} catch {}
if (typeof dest === "string" || isValidExplicitDest(dest)) {
this.goToDestination(dest);
return;
}
console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not a valid destination.`);
}
executeNamedAction(action) {
if (!this.pdfDocument) {
return;
}
switch (action) {
case "GoBack":
this.pdfHistory?.back();
break;
case "GoForward":
this.pdfHistory?.forward();
break;
case "NextPage":
this.pdfViewer.nextPage();
break;
case "PrevPage":
this.pdfViewer.previousPage();
break;
case "LastPage":
this.page = this.pagesCount;
break;
case "FirstPage":
this.page = 1;
break;
default:
break;
}
this.eventBus.dispatch("namedaction", {
source: this,
action
});
}
async executeSetOCGState(action) {
if (!this.pdfDocument) {
return;
}
const pdfDocument = this.pdfDocument,
optionalContentConfig = await this.pdfViewer.optionalContentConfigPromise;
if (pdfDocument !== this.pdfDocument) {
return;
}
optionalContentConfig.setOCGState(action);
this.pdfViewer.optionalContentConfigPromise = Promise.resolve(optionalContentConfig);
}
}
class SimpleLinkService extends PDFLinkService {
setDocument(pdfDocument, baseUrl = null) {}
}
;// ./web/event_utils.js
const WaitOnType = {
EVENT: "event",
TIMEOUT: "timeout"
};
async function waitOnEventOrTimeout({
target,
name,
delay = 0
}) {
if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
throw new Error("waitOnEventOrTimeout - invalid parameters.");
}
const {
promise,
resolve
} = Promise.withResolvers();
const ac = new AbortController();
function handler(type) {
ac.abort();
clearTimeout(timeout);
resolve(type);
}
const evtMethod = target instanceof EventBus ? "_on" : "addEventListener";
target[evtMethod](name, handler.bind(null, WaitOnType.EVENT), {
signal: ac.signal
});
const timeout = setTimeout(handler.bind(null, WaitOnType.TIMEOUT), delay);
return promise;
}
class EventBus {
#listeners = Object.create(null);
on(eventName, listener, options = null) {
this._on(eventName, listener, {
external: true,
once: options?.once,
signal: options?.signal
});
}
off(eventName, listener, options = null) {
this._off(eventName, listener);
}
dispatch(eventName, data) {
const eventListeners = this.#listeners[eventName];
if (!eventListeners || eventListeners.length === 0) {
return;
}
let externalListeners;
for (const {
listener,
external,
once
} of eventListeners.slice(0)) {
if (once) {
this._off(eventName, listener);
}
if (external) {
(externalListeners ||= []).push(listener);
continue;
}
listener(data);
}
if (externalListeners) {
for (const listener of externalListeners) {
listener(data);
}
externalListeners = null;
}
}
_on(eventName, listener, options = null) {
let rmAbort = null;
if (options?.signal instanceof AbortSignal) {
const {
signal
} = options;
if (signal.aborted) {
console.error("Cannot use an `aborted` signal.");
return;
}
const onAbort = () => this._off(eventName, listener);
rmAbort = () => signal.removeEventListener("abort", onAbort);
signal.addEventListener("abort", onAbort);
}
const eventListeners = this.#listeners[eventName] ||= [];
eventListeners.push({
listener,
external: options?.external === true,
once: options?.once === true,
rmAbort
});
}
_off(eventName, listener, options = null) {
const eventListeners = this.#listeners[eventName];
if (!eventListeners) {
return;
}
for (let i = 0, ii = eventListeners.length; i < ii; i++) {
const evt = eventListeners[i];
if (evt.listener === listener) {
evt.rmAbort?.();
eventListeners.splice(i, 1);
return;
}
}
}
}
class FirefoxEventBus extends EventBus {
#externalServices;
#globalEventNames;
#isInAutomation;
constructor(globalEventNames, externalServices, isInAutomation) {
super();
this.#globalEventNames = globalEventNames;
this.#externalServices = externalServices;
this.#isInAutomation = isInAutomation;
}
dispatch(eventName, data) {
throw new Error("Not implemented: FirefoxEventBus.dispatch");
}
}
;// ./web/external_services.js
class BaseExternalServices {
updateFindControlState(data) {}
updateFindMatchesCount(data) {}
initPassiveLoading() {}
reportTelemetry(data) {}
async createL10n() {
throw new Error("Not implemented: createL10n");
}
createScripting() {
throw new Error("Not implemented: createScripting");
}
createSignatureStorage() {
throw new Error("Not implemented: createSignatureStorage");
}
updateEditorStates(data) {
throw new Error("Not implemented: updateEditorStates");
}
dispatchGlobalEvent(_event) {}
}
;// ./web/preferences.js
class BasePreferences {
#defaults = Object.freeze({
altTextLearnMoreUrl: "",
annotationEditorMode: 0,
annotationMode: 2,
capCanvasAreaFactor: 200,
cursorToolOnLoad: 0,
defaultZoomDelay: 400,
defaultZoomValue: "",
disablePageLabels: false,
enableAltText: false,
enableAltTextModelDownload: true,
enableAutoLinking: true,
enableComment: false,
enableGuessAltText: true,
enableHighlightFloatingButton: false,
enableNewAltTextWhenAddingImage: true,
enablePermissions: false,
enablePrintAutoRotate: true,
enableScripting: true,
enableSignatureEditor: false,
enableUpdatedAddImage: false,
externalLinkTarget: 0,
highlightEditorColors: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F,yellow_HCM=#FFFFCC,green_HCM=#53FFBC,blue_HCM=#80EBFF,pink_HCM=#F6B8FF,red_HCM=#C50043",
historyUpdateUrl: false,
ignoreDestinationZoom: false,
forcePageColors: false,
pageColorsBackground: "Canvas",
pageColorsForeground: "CanvasText",
pdfBugEnabled: false,
sidebarViewOnLoad: -1,
scrollModeOnLoad: -1,
spreadModeOnLoad: -1,
textLayerMode: 1,
viewerCssTheme: 0,
viewOnLoad: 0,
disableAutoFetch: false,
disableFontFace: false,
disableRange: false,
disableStream: false,
enableHWA: true,
enableXfa: true
});
#initializedPromise = null;
constructor() {
this.#initializedPromise = this._readFromStorage(this.#defaults).then(({
browserPrefs,
prefs
}) => {
if (AppOptions._checkDisablePreferences()) {
return;
}
AppOptions.setAll({
...browserPrefs,
...prefs
}, true);
});
}
async _writeToStorage(prefObj) {
throw new Error("Not implemented: _writeToStorage");
}
async _readFromStorage(prefObj) {
throw new Error("Not implemented: _readFromStorage");
}
async reset() {
await this.#initializedPromise;
AppOptions.setAll(this.#defaults, true);
await this._writeToStorage(this.#defaults);
}
async set(name, value) {
await this.#initializedPromise;
AppOptions.setAll({
[name]: value
}, true);
await this._writeToStorage(AppOptions.getAll(OptionKind.PREFERENCE));
}
async get(name) {
await this.#initializedPromise;
return AppOptions.get(name);
}
get initializedPromise() {
return this.#initializedPromise;
}
}
;// ./node_modules/@fluent/bundle/esm/types.js
class FluentType {
constructor(value) {
this.value = value;
}
valueOf() {
return this.value;
}
}
class FluentNone extends FluentType {
constructor(value = "???") {
super(value);
}
toString(scope) {
return `{${this.value}}`;
}
}
class FluentNumber extends FluentType {
constructor(value, opts = {}) {
super(value);
this.opts = opts;
}
toString(scope) {
if (scope) {
try {
const nf = scope.memoizeIntlObject(Intl.NumberFormat, this.opts);
return nf.format(this.value);
} catch (err) {
scope.reportError(err);
}
}
return this.value.toString(10);
}
}
class FluentDateTime extends FluentType {
static supportsValue(value) {
if (typeof value === "number") return true;
if (value instanceof Date) return true;
if (value instanceof FluentType) return FluentDateTime.supportsValue(value.valueOf());
if ("Temporal" in globalThis) {
const _Temporal = globalThis.Temporal;
if (value instanceof _Temporal.Instant || value instanceof _Temporal.PlainDateTime || value instanceof _Temporal.PlainDate || value instanceof _Temporal.PlainMonthDay || value instanceof _Temporal.PlainTime || value instanceof _Temporal.PlainYearMonth) {
return true;
}
}
return false;
}
constructor(value, opts = {}) {
if (value instanceof FluentDateTime) {
opts = {
...value.opts,
...opts
};
value = value.value;
} else if (value instanceof FluentType) {
value = value.valueOf();
}
if (typeof value === "object" && "calendarId" in value && opts.calendar === undefined) {
opts = {
...opts,
calendar: value.calendarId
};
}
super(value);
this.opts = opts;
}
[Symbol.toPrimitive](hint) {
return hint === "string" ? this.toString() : this.toNumber();
}
toNumber() {
const value = this.value;
if (typeof value === "number") return value;
if (value instanceof Date) return value.getTime();
if ("epochMilliseconds" in value) {
return value.epochMilliseconds;
}
if ("toZonedDateTime" in value) {
return value.toZonedDateTime("UTC").epochMilliseconds;
}
throw new TypeError("Unwrapping a non-number value as a number");
}
toString(scope) {
if (scope) {
try {
const dtf = scope.memoizeIntlObject(Intl.DateTimeFormat, this.opts);
return dtf.format(this.value);
} catch (err) {
scope.reportError(err);
}
}
if (typeof this.value === "number" || this.value instanceof Date) {
return new Date(this.value).toISOString();
}
return this.value.toString();
}
}
;// ./node_modules/@fluent/bundle/esm/resolver.js
const MAX_PLACEABLES = 100;
const FSI = "\u2068";
const PDI = "\u2069";
function match(scope, selector, key) {
if (key === selector) {
return true;
}
if (key instanceof FluentNumber && selector instanceof FluentNumber && key.value === selector.value) {
return true;
}
if (selector instanceof FluentNumber && typeof key === "string") {
let category = scope.memoizeIntlObject(Intl.PluralRules, selector.opts).select(selector.value);
if (key === category) {
return true;
}
}
return false;
}
function getDefault(scope, variants, star) {
if (variants[star]) {
return resolvePattern(scope, variants[star].value);
}
scope.reportError(new RangeError("No default"));
return new FluentNone();
}
function getArguments(scope, args) {
const positional = [];
const named = Object.create(null);
for (const arg of args) {
if (arg.type === "narg") {
named[arg.name] = resolveExpression(scope, arg.value);
} else {
positional.push(resolveExpression(scope, arg));
}
}
return {
positional,
named
};
}
function resolveExpression(scope, expr) {
switch (expr.type) {
case "str":
return expr.value;
case "num":
return new FluentNumber(expr.value, {
minimumFractionDigits: expr.precision
});
case "var":
return resolveVariableReference(scope, expr);
case "mesg":
return resolveMessageReference(scope, expr);
case "term":
return resolveTermReference(scope, expr);
case "func":
return resolveFunctionReference(scope, expr);
case "select":
return resolveSelectExpression(scope, expr);
default:
return new FluentNone();
}
}
function resolveVariableReference(scope, {
name
}) {
let arg;
if (scope.params) {
if (Object.prototype.hasOwnProperty.call(scope.params, name)) {
arg = scope.params[name];
} else {
return new FluentNone(`$${name}`);
}
} else if (scope.args && Object.prototype.hasOwnProperty.call(scope.args, name)) {
arg = scope.args[name];
} else {
scope.reportError(new ReferenceError(`Unknown variable: $${name}`));
return new FluentNone(`$${name}`);
}
if (arg instanceof FluentType) {
return arg;
}
switch (typeof arg) {
case "string":
return arg;
case "number":
return new FluentNumber(arg);
case "object":
if (FluentDateTime.supportsValue(arg)) {
return new FluentDateTime(arg);
}
default:
scope.reportError(new TypeError(`Variable type not supported: $${name}, ${typeof arg}`));
return new FluentNone(`$${name}`);
}
}
function resolveMessageReference(scope, {
name,
attr
}) {
const message = scope.bundle._messages.get(name);
if (!message) {
scope.reportError(new ReferenceError(`Unknown message: ${name}`));
return new FluentNone(name);
}
if (attr) {
const attribute = message.attributes[attr];
if (attribute) {
return resolvePattern(scope, attribute);
}
scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));
return new FluentNone(`${name}.${attr}`);
}
if (message.value) {
return resolvePattern(scope, message.value);
}
scope.reportError(new ReferenceError(`No value: ${name}`));
return new FluentNone(name);
}
function resolveTermReference(scope, {
name,
attr,
args
}) {
const id = `-${name}`;
const term = scope.bundle._terms.get(id);
if (!term) {
scope.reportError(new ReferenceError(`Unknown term: ${id}`));
return new FluentNone(id);
}
if (attr) {
const attribute = term.attributes[attr];
if (attribute) {
scope.params = getArguments(scope, args).named;
const resolved = resolvePattern(scope, attribute);
scope.params = null;
return resolved;
}
scope.reportError(new ReferenceError(`Unknown attribute: ${attr}`));
return new FluentNone(`${id}.${attr}`);
}
scope.params = getArguments(scope, args).named;
const resolved = resolvePattern(scope, term.value);
scope.params = null;
return resolved;
}
function resolveFunctionReference(scope, {
name,
args
}) {
let func = scope.bundle._functions[name];
if (!func) {
scope.reportError(new ReferenceError(`Unknown function: ${name}()`));
return new FluentNone(`${name}()`);
}
if (typeof func !== "function") {
scope.reportError(new TypeError(`Function ${name}() is not callable`));
return new FluentNone(`${name}()`);
}
try {
let resolved = getArguments(scope, args);
return func(resolved.positional, resolved.named);
} catch (err) {
scope.reportError(err);
return new FluentNone(`${name}()`);
}
}
function resolveSelectExpression(scope, {
selector,
variants,
star
}) {
let sel = resolveExpression(scope, selector);
if (sel instanceof FluentNone) {
return getDefault(scope, variants, star);
}
for (const variant of variants) {
const key = resolveExpression(scope, variant.key);
if (match(scope, sel, key)) {
return resolvePattern(scope, variant.value);
}
}
return getDefault(scope, variants, star);
}
function resolveComplexPattern(scope, ptn) {
if (scope.dirty.has(ptn)) {
scope.reportError(new RangeError("Cyclic reference"));
return new FluentNone();
}
scope.dirty.add(ptn);
const result = [];
const useIsolating = scope.bundle._useIsolating && ptn.length > 1;
for (const elem of ptn) {
if (typeof elem === "string") {
result.push(scope.bundle._transform(elem));
continue;
}
scope.placeables++;
if (scope.placeables > MAX_PLACEABLES) {
scope.dirty.delete(ptn);
throw new RangeError(`Too many placeables expanded: ${scope.placeables}, ` + `max allowed is ${MAX_PLACEABLES}`);
}
if (useIsolating) {
result.push(FSI);
}
result.push(resolveExpression(scope, elem).toString(scope));
if (useIsolating) {
result.push(PDI);
}
}
scope.dirty.delete(ptn);
return result.join("");
}
function resolvePattern(scope, value) {
if (typeof value === "string") {
return scope.bundle._transform(value);
}
return resolveComplexPattern(scope, value);
}
;// ./node_modules/@fluent/bundle/esm/scope.js
class Scope {
constructor(bundle, errors, args) {
this.dirty = new WeakSet();
this.params = null;
this.placeables = 0;
this.bundle = bundle;
this.errors = errors;
this.args = args;
}
reportError(error) {
if (!this.errors || !(error instanceof Error)) {
throw error;
}
this.errors.push(error);
}
memoizeIntlObject(ctor, opts) {
let cache = this.bundle._intls.get(ctor);
if (!cache) {
cache = {};