first commit

node_modules/pdf-lib/cjs/core/structures/PDFCatalog.d.ts

@@ -0,0 +1,28 @@
+import PDFDict, { DictMap } from "../objects/PDFDict";
+import PDFRef from "../objects/PDFRef";
+import PDFContext from "../PDFContext";
+import PDFPageTree from "./PDFPageTree";
+import { PDFAcroForm } from "../acroform";
+import ViewerPreferences from '../interactive/ViewerPreferences';
+declare class PDFCatalog extends PDFDict {
+    static withContextAndPages: (context: PDFContext, pages: PDFPageTree | PDFRef) => PDFCatalog;
+    static fromMapWithContext: (map: DictMap, context: PDFContext) => PDFCatalog;
+    Pages(): PDFPageTree;
+    AcroForm(): PDFDict | undefined;
+    getAcroForm(): PDFAcroForm | undefined;
+    getOrCreateAcroForm(): PDFAcroForm;
+    ViewerPreferences(): PDFDict | undefined;
+    getViewerPreferences(): ViewerPreferences | undefined;
+    getOrCreateViewerPreferences(): ViewerPreferences;
+    /**
+     * Inserts the given ref as a leaf node of this catalog's page tree at the
+     * specified index (zero-based). Also increments the `Count` of each node in
+     * the page tree hierarchy to accomodate the new page.
+     *
+     * Returns the ref of the PDFPageTree node into which `leafRef` was inserted.
+     */
+    insertLeafNode(leafRef: PDFRef, index: number): PDFRef;
+    removeLeafNode(index: number): void;
+}
+export default PDFCatalog;
+//# sourceMappingURL=PDFCatalog.d.ts.map

node_modules/pdf-lib/cjs/core/structures/PDFCatalog.d.ts.map

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node_modules/pdf-lib/cjs/core/structures/PDFCatalog.js

@@ -0,0 +1,79 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+var PDFDict_1 = tslib_1.__importDefault(require("../objects/PDFDict"));
+var PDFName_1 = tslib_1.__importDefault(require("../objects/PDFName"));
+var acroform_1 = require("../acroform");
+var ViewerPreferences_1 = tslib_1.__importDefault(require("../interactive/ViewerPreferences"));
+var PDFCatalog = /** @class */ (function (_super) {
+    tslib_1.__extends(PDFCatalog, _super);
+    function PDFCatalog() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    PDFCatalog.prototype.Pages = function () {
+        return this.lookup(PDFName_1.default.of('Pages'), PDFDict_1.default);
+    };
+    PDFCatalog.prototype.AcroForm = function () {
+        return this.lookupMaybe(PDFName_1.default.of('AcroForm'), PDFDict_1.default);
+    };
+    PDFCatalog.prototype.getAcroForm = function () {
+        var dict = this.AcroForm();
+        if (!dict)
+            return undefined;
+        return acroform_1.PDFAcroForm.fromDict(dict);
+    };
+    PDFCatalog.prototype.getOrCreateAcroForm = function () {
+        var acroForm = this.getAcroForm();
+        if (!acroForm) {
+            acroForm = acroform_1.PDFAcroForm.create(this.context);
+            var acroFormRef = this.context.register(acroForm.dict);
+            this.set(PDFName_1.default.of('AcroForm'), acroFormRef);
+        }
+        return acroForm;
+    };
+    PDFCatalog.prototype.ViewerPreferences = function () {
+        return this.lookupMaybe(PDFName_1.default.of('ViewerPreferences'), PDFDict_1.default);
+    };
+    PDFCatalog.prototype.getViewerPreferences = function () {
+        var dict = this.ViewerPreferences();
+        if (!dict)
+            return undefined;
+        return ViewerPreferences_1.default.fromDict(dict);
+    };
+    PDFCatalog.prototype.getOrCreateViewerPreferences = function () {
+        var viewerPrefs = this.getViewerPreferences();
+        if (!viewerPrefs) {
+            viewerPrefs = ViewerPreferences_1.default.create(this.context);
+            var viewerPrefsRef = this.context.register(viewerPrefs.dict);
+            this.set(PDFName_1.default.of('ViewerPreferences'), viewerPrefsRef);
+        }
+        return viewerPrefs;
+    };
+    /**
+     * Inserts the given ref as a leaf node of this catalog's page tree at the
+     * specified index (zero-based). Also increments the `Count` of each node in
+     * the page tree hierarchy to accomodate the new page.
+     *
+     * Returns the ref of the PDFPageTree node into which `leafRef` was inserted.
+     */
+    PDFCatalog.prototype.insertLeafNode = function (leafRef, index) {
+        var pagesRef = this.get(PDFName_1.default.of('Pages'));
+        var maybeParentRef = this.Pages().insertLeafNode(leafRef, index);
+        return maybeParentRef || pagesRef;
+    };
+    PDFCatalog.prototype.removeLeafNode = function (index) {
+        this.Pages().removeLeafNode(index);
+    };
+    PDFCatalog.withContextAndPages = function (context, pages) {
+        var dict = new Map();
+        dict.set(PDFName_1.default.of('Type'), PDFName_1.default.of('Catalog'));
+        dict.set(PDFName_1.default.of('Pages'), pages);
+        return new PDFCatalog(dict, context);
+    };
+    PDFCatalog.fromMapWithContext = function (map, context) {
+        return new PDFCatalog(map, context);
+    };
+    return PDFCatalog;
+}(PDFDict_1.default));
+exports.default = PDFCatalog;
+//# sourceMappingURL=PDFCatalog.js.map

node_modules/pdf-lib/cjs/core/structures/PDFCatalog.js.map

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node_modules/pdf-lib/cjs/core/structures/PDFContentStream.d.ts

@@ -0,0 +1,16 @@
+import PDFDict from "../objects/PDFDict";
+import PDFOperator from "../operators/PDFOperator";
+import PDFContext from "../PDFContext";
+import PDFFlateStream from "./PDFFlateStream";
+declare class PDFContentStream extends PDFFlateStream {
+    static of: (dict: PDFDict, operators: PDFOperator[], encode?: boolean) => PDFContentStream;
+    private readonly operators;
+    private constructor();
+    push(...operators: PDFOperator[]): void;
+    clone(context?: PDFContext): PDFContentStream;
+    getContentsString(): string;
+    getUnencodedContents(): Uint8Array;
+    getUnencodedContentsSize(): number;
+}
+export default PDFContentStream;
+//# sourceMappingURL=PDFContentStream.d.ts.map

node_modules/pdf-lib/cjs/core/structures/PDFContentStream.d.ts.map

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node_modules/pdf-lib/cjs/core/structures/PDFContentStream.js

@@ -0,0 +1,60 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+var PDFFlateStream_1 = tslib_1.__importDefault(require("./PDFFlateStream"));
+var CharCodes_1 = tslib_1.__importDefault(require("../syntax/CharCodes"));
+var PDFContentStream = /** @class */ (function (_super) {
+    tslib_1.__extends(PDFContentStream, _super);
+    function PDFContentStream(dict, operators, encode) {
+        if (encode === void 0) { encode = true; }
+        var _this = _super.call(this, dict, encode) || this;
+        _this.operators = operators;
+        return _this;
+    }
+    PDFContentStream.prototype.push = function () {
+        var _a;
+        var operators = [];
+        for (var _i = 0; _i < arguments.length; _i++) {
+            operators[_i] = arguments[_i];
+        }
+        (_a = this.operators).push.apply(_a, operators);
+    };
+    PDFContentStream.prototype.clone = function (context) {
+        var operators = new Array(this.operators.length);
+        for (var idx = 0, len = this.operators.length; idx < len; idx++) {
+            operators[idx] = this.operators[idx].clone(context);
+        }
+        var _a = this, dict = _a.dict, encode = _a.encode;
+        return PDFContentStream.of(dict.clone(context), operators, encode);
+    };
+    PDFContentStream.prototype.getContentsString = function () {
+        var value = '';
+        for (var idx = 0, len = this.operators.length; idx < len; idx++) {
+            value += this.operators[idx] + "\n";
+        }
+        return value;
+    };
+    PDFContentStream.prototype.getUnencodedContents = function () {
+        var buffer = new Uint8Array(this.getUnencodedContentsSize());
+        var offset = 0;
+        for (var idx = 0, len = this.operators.length; idx < len; idx++) {
+            offset += this.operators[idx].copyBytesInto(buffer, offset);
+            buffer[offset++] = CharCodes_1.default.Newline;
+        }
+        return buffer;
+    };
+    PDFContentStream.prototype.getUnencodedContentsSize = function () {
+        var size = 0;
+        for (var idx = 0, len = this.operators.length; idx < len; idx++) {
+            size += this.operators[idx].sizeInBytes() + 1;
+        }
+        return size;
+    };
+    PDFContentStream.of = function (dict, operators, encode) {
+        if (encode === void 0) { encode = true; }
+        return new PDFContentStream(dict, operators, encode);
+    };
+    return PDFContentStream;
+}(PDFFlateStream_1.default));
+exports.default = PDFContentStream;
+//# sourceMappingURL=PDFContentStream.js.map

node_modules/pdf-lib/cjs/core/structures/PDFContentStream.js.map

@@ -0,0 +1 @@
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node_modules/pdf-lib/cjs/core/structures/PDFCrossRefStream.d.ts

@@ -0,0 +1,54 @@
+import PDFDict from "../objects/PDFDict";
+import PDFRef from "../objects/PDFRef";
+import PDFContext from "../PDFContext";
+import PDFFlateStream from "./PDFFlateStream";
+export declare enum EntryType {
+    Deleted = 0,
+    Uncompressed = 1,
+    Compressed = 2
+}
+export interface DeletedEntry {
+    type: EntryType.Deleted;
+    ref: PDFRef;
+    nextFreeObjectNumber: number;
+}
+export interface UncompressedEntry {
+    type: EntryType.Uncompressed;
+    ref: PDFRef;
+    offset: number;
+}
+export interface CompressedEntry {
+    type: EntryType.Compressed;
+    ref: PDFRef;
+    objectStreamRef: PDFRef;
+    index: number;
+}
+export declare type Entry = DeletedEntry | UncompressedEntry | CompressedEntry;
+export declare type EntryTuple = [number, number, number];
+/**
+ * Entries should be added using the [[addDeletedEntry]],
+ * [[addUncompressedEntry]], and [[addCompressedEntry]] methods
+ * **in order of ascending object number**.
+ */
+declare class PDFCrossRefStream extends PDFFlateStream {
+    static create: (dict: PDFDict, encode?: boolean) => PDFCrossRefStream;
+    static of: (dict: PDFDict, entries: Entry[], encode?: boolean) => PDFCrossRefStream;
+    private readonly entries;
+    private readonly entryTuplesCache;
+    private readonly maxByteWidthsCache;
+    private readonly indexCache;
+    private constructor();
+    addDeletedEntry(ref: PDFRef, nextFreeObjectNumber: number): void;
+    addUncompressedEntry(ref: PDFRef, offset: number): void;
+    addCompressedEntry(ref: PDFRef, objectStreamRef: PDFRef, index: number): void;
+    clone(context?: PDFContext): PDFCrossRefStream;
+    getContentsString(): string;
+    getUnencodedContents(): Uint8Array;
+    getUnencodedContentsSize(): number;
+    updateDict(): void;
+    private computeIndex;
+    private computeEntryTuples;
+    private computeMaxEntryByteWidths;
+}
+export default PDFCrossRefStream;
+//# sourceMappingURL=PDFCrossRefStream.d.ts.map

node_modules/pdf-lib/cjs/core/structures/PDFCrossRefStream.d.ts.map

@@ -0,0 +1 @@
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node_modules/pdf-lib/cjs/core/structures/PDFCrossRefStream.js

@@ -0,0 +1,187 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.EntryType = void 0;
+var tslib_1 = require("tslib");
+var PDFName_1 = tslib_1.__importDefault(require("../objects/PDFName"));
+var PDFRef_1 = tslib_1.__importDefault(require("../objects/PDFRef"));
+var PDFFlateStream_1 = tslib_1.__importDefault(require("./PDFFlateStream"));
+var utils_1 = require("../../utils");
+var EntryType;
+(function (EntryType) {
+    EntryType[EntryType["Deleted"] = 0] = "Deleted";
+    EntryType[EntryType["Uncompressed"] = 1] = "Uncompressed";
+    EntryType[EntryType["Compressed"] = 2] = "Compressed";
+})(EntryType = exports.EntryType || (exports.EntryType = {}));
+/**
+ * Entries should be added using the [[addDeletedEntry]],
+ * [[addUncompressedEntry]], and [[addCompressedEntry]] methods
+ * **in order of ascending object number**.
+ */
+var PDFCrossRefStream = /** @class */ (function (_super) {
+    tslib_1.__extends(PDFCrossRefStream, _super);
+    function PDFCrossRefStream(dict, entries, encode) {
+        if (encode === void 0) { encode = true; }
+        var _this = _super.call(this, dict, encode) || this;
+        // Returns an array of integer pairs for each subsection of the cross ref
+        // section, where each integer pair represents:
+        //   firstObjectNumber(OfSection), length(OfSection)
+        _this.computeIndex = function () {
+            var subsections = [];
+            var subsectionLength = 0;
+            for (var idx = 0, len = _this.entries.length; idx < len; idx++) {
+                var currEntry = _this.entries[idx];
+                var prevEntry = _this.entries[idx - 1];
+                if (idx === 0) {
+                    subsections.push(currEntry.ref.objectNumber);
+                }
+                else if (currEntry.ref.objectNumber - prevEntry.ref.objectNumber > 1) {
+                    subsections.push(subsectionLength);
+                    subsections.push(currEntry.ref.objectNumber);
+                    subsectionLength = 0;
+                }
+                subsectionLength += 1;
+            }
+            subsections.push(subsectionLength);
+            return subsections;
+        };
+        _this.computeEntryTuples = function () {
+            var entryTuples = new Array(_this.entries.length);
+            for (var idx = 0, len = _this.entries.length; idx < len; idx++) {
+                var entry = _this.entries[idx];
+                if (entry.type === EntryType.Deleted) {
+                    var type = entry.type, nextFreeObjectNumber = entry.nextFreeObjectNumber, ref = entry.ref;
+                    entryTuples[idx] = [type, nextFreeObjectNumber, ref.generationNumber];
+                }
+                if (entry.type === EntryType.Uncompressed) {
+                    var type = entry.type, offset = entry.offset, ref = entry.ref;
+                    entryTuples[idx] = [type, offset, ref.generationNumber];
+                }
+                if (entry.type === EntryType.Compressed) {
+                    var type = entry.type, objectStreamRef = entry.objectStreamRef, index = entry.index;
+                    entryTuples[idx] = [type, objectStreamRef.objectNumber, index];
+                }
+            }
+            return entryTuples;
+        };
+        _this.computeMaxEntryByteWidths = function () {
+            var entryTuples = _this.entryTuplesCache.access();
+            var widths = [0, 0, 0];
+            for (var idx = 0, len = entryTuples.length; idx < len; idx++) {
+                var _a = entryTuples[idx], first = _a[0], second = _a[1], third = _a[2];
+                var firstSize = utils_1.sizeInBytes(first);
+                var secondSize = utils_1.sizeInBytes(second);
+                var thirdSize = utils_1.sizeInBytes(third);
+                if (firstSize > widths[0])
+                    widths[0] = firstSize;
+                if (secondSize > widths[1])
+                    widths[1] = secondSize;
+                if (thirdSize > widths[2])
+                    widths[2] = thirdSize;
+            }
+            return widths;
+        };
+        _this.entries = entries || [];
+        _this.entryTuplesCache = utils_1.Cache.populatedBy(_this.computeEntryTuples);
+        _this.maxByteWidthsCache = utils_1.Cache.populatedBy(_this.computeMaxEntryByteWidths);
+        _this.indexCache = utils_1.Cache.populatedBy(_this.computeIndex);
+        dict.set(PDFName_1.default.of('Type'), PDFName_1.default.of('XRef'));
+        return _this;
+    }
+    PDFCrossRefStream.prototype.addDeletedEntry = function (ref, nextFreeObjectNumber) {
+        var type = EntryType.Deleted;
+        this.entries.push({ type: type, ref: ref, nextFreeObjectNumber: nextFreeObjectNumber });
+        this.entryTuplesCache.invalidate();
+        this.maxByteWidthsCache.invalidate();
+        this.indexCache.invalidate();
+        this.contentsCache.invalidate();
+    };
+    PDFCrossRefStream.prototype.addUncompressedEntry = function (ref, offset) {
+        var type = EntryType.Uncompressed;
+        this.entries.push({ type: type, ref: ref, offset: offset });
+        this.entryTuplesCache.invalidate();
+        this.maxByteWidthsCache.invalidate();
+        this.indexCache.invalidate();
+        this.contentsCache.invalidate();
+    };
+    PDFCrossRefStream.prototype.addCompressedEntry = function (ref, objectStreamRef, index) {
+        var type = EntryType.Compressed;
+        this.entries.push({ type: type, ref: ref, objectStreamRef: objectStreamRef, index: index });
+        this.entryTuplesCache.invalidate();
+        this.maxByteWidthsCache.invalidate();
+        this.indexCache.invalidate();
+        this.contentsCache.invalidate();
+    };
+    PDFCrossRefStream.prototype.clone = function (context) {
+        var _a = this, dict = _a.dict, entries = _a.entries, encode = _a.encode;
+        return PDFCrossRefStream.of(dict.clone(context), entries.slice(), encode);
+    };
+    PDFCrossRefStream.prototype.getContentsString = function () {
+        var entryTuples = this.entryTuplesCache.access();
+        var byteWidths = this.maxByteWidthsCache.access();
+        var value = '';
+        for (var entryIdx = 0, entriesLen = entryTuples.length; entryIdx < entriesLen; entryIdx++) {
+            var _a = entryTuples[entryIdx], first = _a[0], second = _a[1], third = _a[2];
+            var firstBytes = utils_1.reverseArray(utils_1.bytesFor(first));
+            var secondBytes = utils_1.reverseArray(utils_1.bytesFor(second));
+            var thirdBytes = utils_1.reverseArray(utils_1.bytesFor(third));
+            for (var idx = byteWidths[0] - 1; idx >= 0; idx--) {
+                value += (firstBytes[idx] || 0).toString(2);
+            }
+            for (var idx = byteWidths[1] - 1; idx >= 0; idx--) {
+                value += (secondBytes[idx] || 0).toString(2);
+            }
+            for (var idx = byteWidths[2] - 1; idx >= 0; idx--) {
+                value += (thirdBytes[idx] || 0).toString(2);
+            }
+        }
+        return value;
+    };
+    PDFCrossRefStream.prototype.getUnencodedContents = function () {
+        var entryTuples = this.entryTuplesCache.access();
+        var byteWidths = this.maxByteWidthsCache.access();
+        var buffer = new Uint8Array(this.getUnencodedContentsSize());
+        var offset = 0;
+        for (var entryIdx = 0, entriesLen = entryTuples.length; entryIdx < entriesLen; entryIdx++) {
+            var _a = entryTuples[entryIdx], first = _a[0], second = _a[1], third = _a[2];
+            var firstBytes = utils_1.reverseArray(utils_1.bytesFor(first));
+            var secondBytes = utils_1.reverseArray(utils_1.bytesFor(second));
+            var thirdBytes = utils_1.reverseArray(utils_1.bytesFor(third));
+            for (var idx = byteWidths[0] - 1; idx >= 0; idx--) {
+                buffer[offset++] = firstBytes[idx] || 0;
+            }
+            for (var idx = byteWidths[1] - 1; idx >= 0; idx--) {
+                buffer[offset++] = secondBytes[idx] || 0;
+            }
+            for (var idx = byteWidths[2] - 1; idx >= 0; idx--) {
+                buffer[offset++] = thirdBytes[idx] || 0;
+            }
+        }
+        return buffer;
+    };
+    PDFCrossRefStream.prototype.getUnencodedContentsSize = function () {
+        var byteWidths = this.maxByteWidthsCache.access();
+        var entryWidth = utils_1.sum(byteWidths);
+        return entryWidth * this.entries.length;
+    };
+    PDFCrossRefStream.prototype.updateDict = function () {
+        _super.prototype.updateDict.call(this);
+        var byteWidths = this.maxByteWidthsCache.access();
+        var index = this.indexCache.access();
+        var context = this.dict.context;
+        this.dict.set(PDFName_1.default.of('W'), context.obj(byteWidths));
+        this.dict.set(PDFName_1.default.of('Index'), context.obj(index));
+    };
+    PDFCrossRefStream.create = function (dict, encode) {
+        if (encode === void 0) { encode = true; }
+        var stream = new PDFCrossRefStream(dict, [], encode);
+        stream.addDeletedEntry(PDFRef_1.default.of(0, 65535), 0);
+        return stream;
+    };
+    PDFCrossRefStream.of = function (dict, entries, encode) {
+        if (encode === void 0) { encode = true; }
+        return new PDFCrossRefStream(dict, entries, encode);
+    };
+    return PDFCrossRefStream;
+}(PDFFlateStream_1.default));
+exports.default = PDFCrossRefStream;
+//# sourceMappingURL=PDFCrossRefStream.js.map

node_modules/pdf-lib/cjs/core/structures/PDFFlateStream.d.ts

@@ -0,0 +1,14 @@
+import PDFDict from "../objects/PDFDict";
+import PDFStream from "../objects/PDFStream";
+import { Cache } from "../../utils";
+declare class PDFFlateStream extends PDFStream {
+    protected readonly contentsCache: Cache<Uint8Array>;
+    protected readonly encode: boolean;
+    constructor(dict: PDFDict, encode: boolean);
+    computeContents: () => Uint8Array;
+    getContents(): Uint8Array;
+    getContentsSize(): number;
+    getUnencodedContents(): Uint8Array;
+}
+export default PDFFlateStream;
+//# sourceMappingURL=PDFFlateStream.d.ts.map

node_modules/pdf-lib/cjs/core/structures/PDFFlateStream.d.ts.map

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node_modules/pdf-lib/cjs/core/structures/PDFFlateStream.js

@@ -0,0 +1,35 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+var pako_1 = tslib_1.__importDefault(require("pako"));
+var errors_1 = require("../errors");
+var PDFName_1 = tslib_1.__importDefault(require("../objects/PDFName"));
+var PDFStream_1 = tslib_1.__importDefault(require("../objects/PDFStream"));
+var utils_1 = require("../../utils");
+var PDFFlateStream = /** @class */ (function (_super) {
+    tslib_1.__extends(PDFFlateStream, _super);
+    function PDFFlateStream(dict, encode) {
+        var _this = _super.call(this, dict) || this;
+        _this.computeContents = function () {
+            var unencodedContents = _this.getUnencodedContents();
+            return _this.encode ? pako_1.default.deflate(unencodedContents) : unencodedContents;
+        };
+        _this.encode = encode;
+        if (encode)
+            dict.set(PDFName_1.default.of('Filter'), PDFName_1.default.of('FlateDecode'));
+        _this.contentsCache = utils_1.Cache.populatedBy(_this.computeContents);
+        return _this;
+    }
+    PDFFlateStream.prototype.getContents = function () {
+        return this.contentsCache.access();
+    };
+    PDFFlateStream.prototype.getContentsSize = function () {
+        return this.contentsCache.access().length;
+    };
+    PDFFlateStream.prototype.getUnencodedContents = function () {
+        throw new errors_1.MethodNotImplementedError(this.constructor.name, 'getUnencodedContents');
+    };
+    return PDFFlateStream;
+}(PDFStream_1.default));
+exports.default = PDFFlateStream;
+//# sourceMappingURL=PDFFlateStream.js.map

node_modules/pdf-lib/cjs/core/structures/PDFFlateStream.js.map

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node_modules/pdf-lib/cjs/core/structures/PDFObjectStream.d.ts

@@ -0,0 +1,21 @@
+import PDFObject from "../objects/PDFObject";
+import PDFRef from "../objects/PDFRef";
+import PDFContext from "../PDFContext";
+import PDFFlateStream from "./PDFFlateStream";
+export declare type IndirectObject = [PDFRef, PDFObject];
+declare class PDFObjectStream extends PDFFlateStream {
+    static withContextAndObjects: (context: PDFContext, objects: IndirectObject[], encode?: boolean) => PDFObjectStream;
+    private readonly objects;
+    private readonly offsets;
+    private readonly offsetsString;
+    private constructor();
+    getObjectsCount(): number;
+    clone(context?: PDFContext): PDFObjectStream;
+    getContentsString(): string;
+    getUnencodedContents(): Uint8Array;
+    getUnencodedContentsSize(): number;
+    private computeOffsetsString;
+    private computeObjectOffsets;
+}
+export default PDFObjectStream;
+//# sourceMappingURL=PDFObjectStream.d.ts.map

node_modules/pdf-lib/cjs/core/structures/PDFObjectStream.d.ts.map

@@ -0,0 +1 @@
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node_modules/pdf-lib/cjs/core/structures/PDFObjectStream.js

@@ -0,0 +1,77 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+var PDFName_1 = tslib_1.__importDefault(require("../objects/PDFName"));
+var PDFNumber_1 = tslib_1.__importDefault(require("../objects/PDFNumber"));
+var PDFFlateStream_1 = tslib_1.__importDefault(require("./PDFFlateStream"));
+var CharCodes_1 = tslib_1.__importDefault(require("../syntax/CharCodes"));
+var utils_1 = require("../../utils");
+var PDFObjectStream = /** @class */ (function (_super) {
+    tslib_1.__extends(PDFObjectStream, _super);
+    function PDFObjectStream(context, objects, encode) {
+        if (encode === void 0) { encode = true; }
+        var _this = _super.call(this, context.obj({}), encode) || this;
+        _this.objects = objects;
+        _this.offsets = _this.computeObjectOffsets();
+        _this.offsetsString = _this.computeOffsetsString();
+        _this.dict.set(PDFName_1.default.of('Type'), PDFName_1.default.of('ObjStm'));
+        _this.dict.set(PDFName_1.default.of('N'), PDFNumber_1.default.of(_this.objects.length));
+        _this.dict.set(PDFName_1.default.of('First'), PDFNumber_1.default.of(_this.offsetsString.length));
+        return _this;
+    }
+    PDFObjectStream.prototype.getObjectsCount = function () {
+        return this.objects.length;
+    };
+    PDFObjectStream.prototype.clone = function (context) {
+        return PDFObjectStream.withContextAndObjects(context || this.dict.context, this.objects.slice(), this.encode);
+    };
+    PDFObjectStream.prototype.getContentsString = function () {
+        var value = this.offsetsString;
+        for (var idx = 0, len = this.objects.length; idx < len; idx++) {
+            var _a = this.objects[idx], object = _a[1];
+            value += object + "\n";
+        }
+        return value;
+    };
+    PDFObjectStream.prototype.getUnencodedContents = function () {
+        var buffer = new Uint8Array(this.getUnencodedContentsSize());
+        var offset = utils_1.copyStringIntoBuffer(this.offsetsString, buffer, 0);
+        for (var idx = 0, len = this.objects.length; idx < len; idx++) {
+            var _a = this.objects[idx], object = _a[1];
+            offset += object.copyBytesInto(buffer, offset);
+            buffer[offset++] = CharCodes_1.default.Newline;
+        }
+        return buffer;
+    };
+    PDFObjectStream.prototype.getUnencodedContentsSize = function () {
+        return (this.offsetsString.length +
+            utils_1.last(this.offsets)[1] +
+            utils_1.last(this.objects)[1].sizeInBytes() +
+            1);
+    };
+    PDFObjectStream.prototype.computeOffsetsString = function () {
+        var offsetsString = '';
+        for (var idx = 0, len = this.offsets.length; idx < len; idx++) {
+            var _a = this.offsets[idx], objectNumber = _a[0], offset = _a[1];
+            offsetsString += objectNumber + " " + offset + " ";
+        }
+        return offsetsString;
+    };
+    PDFObjectStream.prototype.computeObjectOffsets = function () {
+        var offset = 0;
+        var offsets = new Array(this.objects.length);
+        for (var idx = 0, len = this.objects.length; idx < len; idx++) {
+            var _a = this.objects[idx], ref = _a[0], object = _a[1];
+            offsets[idx] = [ref.objectNumber, offset];
+            offset += object.sizeInBytes() + 1; // '\n'
+        }
+        return offsets;
+    };
+    PDFObjectStream.withContextAndObjects = function (context, objects, encode) {
+        if (encode === void 0) { encode = true; }
+        return new PDFObjectStream(context, objects, encode);
+    };
+    return PDFObjectStream;
+}(PDFFlateStream_1.default));
+exports.default = PDFObjectStream;
+//# sourceMappingURL=PDFObjectStream.js.map

node_modules/pdf-lib/cjs/core/structures/PDFObjectStream.js.map

@@ -0,0 +1 @@
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node_modules/pdf-lib/cjs/core/structures/PDFPageLeaf.d.ts

@@ -0,0 +1,55 @@
+import PDFArray from "../objects/PDFArray";
+import PDFDict, { DictMap } from "../objects/PDFDict";
+import PDFName from "../objects/PDFName";
+import PDFNumber from "../objects/PDFNumber";
+import PDFObject from "../objects/PDFObject";
+import PDFRef from "../objects/PDFRef";
+import PDFStream from "../objects/PDFStream";
+import PDFContext from "../PDFContext";
+import PDFPageTree from "./PDFPageTree";
+declare class PDFPageLeaf extends PDFDict {
+    static readonly InheritableEntries: string[];
+    static withContextAndParent: (context: PDFContext, parent: PDFRef) => PDFPageLeaf;
+    static fromMapWithContext: (map: DictMap, context: PDFContext, autoNormalizeCTM?: boolean) => PDFPageLeaf;
+    private normalized;
+    private readonly autoNormalizeCTM;
+    private constructor();
+    clone(context?: PDFContext): PDFPageLeaf;
+    Parent(): PDFPageTree | undefined;
+    Contents(): PDFStream | PDFArray | undefined;
+    Annots(): PDFArray | undefined;
+    BleedBox(): PDFArray | undefined;
+    TrimBox(): PDFArray | undefined;
+    ArtBox(): PDFArray | undefined;
+    Resources(): PDFDict | undefined;
+    MediaBox(): PDFArray;
+    CropBox(): PDFArray | undefined;
+    Rotate(): PDFNumber | undefined;
+    getInheritableAttribute(name: PDFName): PDFObject | undefined;
+    setParent(parentRef: PDFRef): void;
+    addContentStream(contentStreamRef: PDFRef): void;
+    wrapContentStreams(startStream: PDFRef, endStream: PDFRef): boolean;
+    addAnnot(annotRef: PDFRef): void;
+    removeAnnot(annotRef: PDFRef): void;
+    setFontDictionary(name: PDFName, fontDictRef: PDFRef): void;
+    newFontDictionaryKey(tag: string): PDFName;
+    newFontDictionary(tag: string, fontDictRef: PDFRef): PDFName;
+    setXObject(name: PDFName, xObjectRef: PDFRef): void;
+    newXObjectKey(tag: string): PDFName;
+    newXObject(tag: string, xObjectRef: PDFRef): PDFName;
+    setExtGState(name: PDFName, extGStateRef: PDFRef | PDFDict): void;
+    newExtGStateKey(tag: string): PDFName;
+    newExtGState(tag: string, extGStateRef: PDFRef | PDFDict): PDFName;
+    ascend(visitor: (node: PDFPageTree | PDFPageLeaf) => any): void;
+    normalize(): void;
+    normalizedEntries(): {
+        Annots: PDFArray;
+        Resources: PDFDict;
+        Contents: PDFArray | undefined;
+        Font: PDFDict;
+        XObject: PDFDict;
+        ExtGState: PDFDict;
+    };
+}
+export default PDFPageLeaf;
+//# sourceMappingURL=PDFPageLeaf.d.ts.map

node_modules/pdf-lib/cjs/core/structures/PDFPageLeaf.d.ts.map

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node_modules/pdf-lib/cjs/core/structures/PDFPageLeaf.js

@@ -0,0 +1,206 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+var PDFArray_1 = tslib_1.__importDefault(require("../objects/PDFArray"));
+var PDFDict_1 = tslib_1.__importDefault(require("../objects/PDFDict"));
+var PDFName_1 = tslib_1.__importDefault(require("../objects/PDFName"));
+var PDFNumber_1 = tslib_1.__importDefault(require("../objects/PDFNumber"));
+var PDFStream_1 = tslib_1.__importDefault(require("../objects/PDFStream"));
+var PDFPageLeaf = /** @class */ (function (_super) {
+    tslib_1.__extends(PDFPageLeaf, _super);
+    function PDFPageLeaf(map, context, autoNormalizeCTM) {
+        if (autoNormalizeCTM === void 0) { autoNormalizeCTM = true; }
+        var _this = _super.call(this, map, context) || this;
+        _this.normalized = false;
+        _this.autoNormalizeCTM = autoNormalizeCTM;
+        return _this;
+    }
+    PDFPageLeaf.prototype.clone = function (context) {
+        var clone = PDFPageLeaf.fromMapWithContext(new Map(), context || this.context, this.autoNormalizeCTM);
+        var entries = this.entries();
+        for (var idx = 0, len = entries.length; idx < len; idx++) {
+            var _a = entries[idx], key = _a[0], value = _a[1];
+            clone.set(key, value);
+        }
+        return clone;
+    };
+    PDFPageLeaf.prototype.Parent = function () {
+        return this.lookupMaybe(PDFName_1.default.Parent, PDFDict_1.default);
+    };
+    PDFPageLeaf.prototype.Contents = function () {
+        return this.lookup(PDFName_1.default.of('Contents'));
+    };
+    PDFPageLeaf.prototype.Annots = function () {
+        return this.lookupMaybe(PDFName_1.default.Annots, PDFArray_1.default);
+    };
+    PDFPageLeaf.prototype.BleedBox = function () {
+        return this.lookupMaybe(PDFName_1.default.BleedBox, PDFArray_1.default);
+    };
+    PDFPageLeaf.prototype.TrimBox = function () {
+        return this.lookupMaybe(PDFName_1.default.TrimBox, PDFArray_1.default);
+    };
+    PDFPageLeaf.prototype.ArtBox = function () {
+        return this.lookupMaybe(PDFName_1.default.ArtBox, PDFArray_1.default);
+    };
+    PDFPageLeaf.prototype.Resources = function () {
+        var dictOrRef = this.getInheritableAttribute(PDFName_1.default.Resources);
+        return this.context.lookupMaybe(dictOrRef, PDFDict_1.default);
+    };
+    PDFPageLeaf.prototype.MediaBox = function () {
+        var arrayOrRef = this.getInheritableAttribute(PDFName_1.default.MediaBox);
+        return this.context.lookup(arrayOrRef, PDFArray_1.default);
+    };
+    PDFPageLeaf.prototype.CropBox = function () {
+        var arrayOrRef = this.getInheritableAttribute(PDFName_1.default.CropBox);
+        return this.context.lookupMaybe(arrayOrRef, PDFArray_1.default);
+    };
+    PDFPageLeaf.prototype.Rotate = function () {
+        var numberOrRef = this.getInheritableAttribute(PDFName_1.default.Rotate);
+        return this.context.lookupMaybe(numberOrRef, PDFNumber_1.default);
+    };
+    PDFPageLeaf.prototype.getInheritableAttribute = function (name) {
+        var attribute;
+        this.ascend(function (node) {
+            if (!attribute)
+                attribute = node.get(name);
+        });
+        return attribute;
+    };
+    PDFPageLeaf.prototype.setParent = function (parentRef) {
+        this.set(PDFName_1.default.Parent, parentRef);
+    };
+    PDFPageLeaf.prototype.addContentStream = function (contentStreamRef) {
+        var Contents = this.normalizedEntries().Contents || this.context.obj([]);
+        this.set(PDFName_1.default.Contents, Contents);
+        Contents.push(contentStreamRef);
+    };
+    PDFPageLeaf.prototype.wrapContentStreams = function (startStream, endStream) {
+        var Contents = this.Contents();
+        if (Contents instanceof PDFArray_1.default) {
+            Contents.insert(0, startStream);
+            Contents.push(endStream);
+            return true;
+        }
+        return false;
+    };
+    PDFPageLeaf.prototype.addAnnot = function (annotRef) {
+        var Annots = this.normalizedEntries().Annots;
+        Annots.push(annotRef);
+    };
+    PDFPageLeaf.prototype.removeAnnot = function (annotRef) {
+        var Annots = this.normalizedEntries().Annots;
+        var index = Annots.indexOf(annotRef);
+        if (index !== undefined) {
+            Annots.remove(index);
+        }
+    };
+    PDFPageLeaf.prototype.setFontDictionary = function (name, fontDictRef) {
+        var Font = this.normalizedEntries().Font;
+        Font.set(name, fontDictRef);
+    };
+    PDFPageLeaf.prototype.newFontDictionaryKey = function (tag) {
+        var Font = this.normalizedEntries().Font;
+        return Font.uniqueKey(tag);
+    };
+    PDFPageLeaf.prototype.newFontDictionary = function (tag, fontDictRef) {
+        var key = this.newFontDictionaryKey(tag);
+        this.setFontDictionary(key, fontDictRef);
+        return key;
+    };
+    PDFPageLeaf.prototype.setXObject = function (name, xObjectRef) {
+        var XObject = this.normalizedEntries().XObject;
+        XObject.set(name, xObjectRef);
+    };
+    PDFPageLeaf.prototype.newXObjectKey = function (tag) {
+        var XObject = this.normalizedEntries().XObject;
+        return XObject.uniqueKey(tag);
+    };
+    PDFPageLeaf.prototype.newXObject = function (tag, xObjectRef) {
+        var key = this.newXObjectKey(tag);
+        this.setXObject(key, xObjectRef);
+        return key;
+    };
+    PDFPageLeaf.prototype.setExtGState = function (name, extGStateRef) {
+        var ExtGState = this.normalizedEntries().ExtGState;
+        ExtGState.set(name, extGStateRef);
+    };
+    PDFPageLeaf.prototype.newExtGStateKey = function (tag) {
+        var ExtGState = this.normalizedEntries().ExtGState;
+        return ExtGState.uniqueKey(tag);
+    };
+    PDFPageLeaf.prototype.newExtGState = function (tag, extGStateRef) {
+        var key = this.newExtGStateKey(tag);
+        this.setExtGState(key, extGStateRef);
+        return key;
+    };
+    PDFPageLeaf.prototype.ascend = function (visitor) {
+        visitor(this);
+        var Parent = this.Parent();
+        if (Parent)
+            Parent.ascend(visitor);
+    };
+    PDFPageLeaf.prototype.normalize = function () {
+        if (this.normalized)
+            return;
+        var context = this.context;
+        var contentsRef = this.get(PDFName_1.default.Contents);
+        var contents = this.context.lookup(contentsRef);
+        if (contents instanceof PDFStream_1.default) {
+            this.set(PDFName_1.default.Contents, context.obj([contentsRef]));
+        }
+        if (this.autoNormalizeCTM) {
+            this.wrapContentStreams(this.context.getPushGraphicsStateContentStream(), this.context.getPopGraphicsStateContentStream());
+        }
+        // TODO: Clone `Resources` if it is inherited
+        var dictOrRef = this.getInheritableAttribute(PDFName_1.default.Resources);
+        var Resources = context.lookupMaybe(dictOrRef, PDFDict_1.default) || context.obj({});
+        this.set(PDFName_1.default.Resources, Resources);
+        // TODO: Clone `Font` if it is inherited
+        var Font = Resources.lookupMaybe(PDFName_1.default.Font, PDFDict_1.default) || context.obj({});
+        Resources.set(PDFName_1.default.Font, Font);
+        // TODO: Clone `XObject` if it is inherited
+        var XObject = Resources.lookupMaybe(PDFName_1.default.XObject, PDFDict_1.default) || context.obj({});
+        Resources.set(PDFName_1.default.XObject, XObject);
+        // TODO: Clone `ExtGState` if it is inherited
+        var ExtGState = Resources.lookupMaybe(PDFName_1.default.ExtGState, PDFDict_1.default) || context.obj({});
+        Resources.set(PDFName_1.default.ExtGState, ExtGState);
+        var Annots = this.Annots() || context.obj([]);
+        this.set(PDFName_1.default.Annots, Annots);
+        this.normalized = true;
+    };
+    PDFPageLeaf.prototype.normalizedEntries = function () {
+        this.normalize();
+        var Annots = this.Annots();
+        var Resources = this.Resources();
+        var Contents = this.Contents();
+        return {
+            Annots: Annots,
+            Resources: Resources,
+            Contents: Contents,
+            Font: Resources.lookup(PDFName_1.default.Font, PDFDict_1.default),
+            XObject: Resources.lookup(PDFName_1.default.XObject, PDFDict_1.default),
+            ExtGState: Resources.lookup(PDFName_1.default.ExtGState, PDFDict_1.default),
+        };
+    };
+    PDFPageLeaf.InheritableEntries = [
+        'Resources',
+        'MediaBox',
+        'CropBox',
+        'Rotate',
+    ];
+    PDFPageLeaf.withContextAndParent = function (context, parent) {
+        var dict = new Map();
+        dict.set(PDFName_1.default.Type, PDFName_1.default.Page);
+        dict.set(PDFName_1.default.Parent, parent);
+        dict.set(PDFName_1.default.Resources, context.obj({}));
+        dict.set(PDFName_1.default.MediaBox, context.obj([0, 0, 612, 792]));
+        return new PDFPageLeaf(dict, context, false);
+    };
+    PDFPageLeaf.fromMapWithContext = function (map, context, autoNormalizeCTM) {
+        if (autoNormalizeCTM === void 0) { autoNormalizeCTM = true; }
+        return new PDFPageLeaf(map, context, autoNormalizeCTM);
+    };
+    return PDFPageLeaf;
+}(PDFDict_1.default));
+exports.default = PDFPageLeaf;
+//# sourceMappingURL=PDFPageLeaf.js.map

node_modules/pdf-lib/cjs/core/structures/PDFPageTree.d.ts

@@ -0,0 +1,42 @@
+import PDFArray from "../objects/PDFArray";
+import PDFDict, { DictMap } from "../objects/PDFDict";
+import PDFNumber from "../objects/PDFNumber";
+import PDFRef from "../objects/PDFRef";
+import PDFContext from "../PDFContext";
+import PDFPageLeaf from "./PDFPageLeaf";
+export declare type TreeNode = PDFPageTree | PDFPageLeaf;
+declare class PDFPageTree extends PDFDict {
+    static withContext: (context: PDFContext, parent?: PDFRef | undefined) => PDFPageTree;
+    static fromMapWithContext: (map: DictMap, context: PDFContext) => PDFPageTree;
+    Parent(): PDFPageTree | undefined;
+    Kids(): PDFArray;
+    Count(): PDFNumber;
+    pushTreeNode(treeRef: PDFRef): void;
+    pushLeafNode(leafRef: PDFRef): void;
+    /**
+     * Inserts the given ref as a leaf node of this page tree at the specified
+     * index (zero-based). Also increments the `Count` of each page tree in the
+     * hierarchy to accomodate the new page.
+     *
+     * Returns the ref of the PDFPageTree node into which `leafRef` was inserted,
+     * or `undefined` if it was inserted into the root node (the PDFPageTree upon
+     * which the method was first called).
+     */
+    insertLeafNode(leafRef: PDFRef, targetIndex: number): PDFRef | undefined;
+    /**
+     * Removes the leaf node at the specified index (zero-based) from this page
+     * tree. Also decrements the `Count` of each page tree in the hierarchy to
+     * account for the removed page.
+     *
+     * If `prune` is true, then intermediate tree nodes will be removed from the
+     * tree if they contain 0 children after the leaf node is removed.
+     */
+    removeLeafNode(targetIndex: number, prune?: boolean): void;
+    ascend(visitor: (node: PDFPageTree) => any): void;
+    /** Performs a Post-Order traversal of this page tree */
+    traverse(visitor: (node: TreeNode, ref: PDFRef) => any): void;
+    private insertLeafKid;
+    private removeKid;
+}
+export default PDFPageTree;
+//# sourceMappingURL=PDFPageTree.d.ts.map

node_modules/pdf-lib/cjs/core/structures/PDFPageTree.d.ts.map

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node_modules/pdf-lib/cjs/core/structures/PDFPageTree.js

@@ -0,0 +1,177 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+var tslib_1 = require("tslib");
+var PDFArray_1 = tslib_1.__importDefault(require("../objects/PDFArray"));
+var PDFDict_1 = tslib_1.__importDefault(require("../objects/PDFDict"));
+var PDFName_1 = tslib_1.__importDefault(require("../objects/PDFName"));
+var PDFNumber_1 = tslib_1.__importDefault(require("../objects/PDFNumber"));
+var PDFPageLeaf_1 = tslib_1.__importDefault(require("./PDFPageLeaf"));
+var errors_1 = require("../errors");
+var PDFPageTree = /** @class */ (function (_super) {
+    tslib_1.__extends(PDFPageTree, _super);
+    function PDFPageTree() {
+        return _super !== null && _super.apply(this, arguments) || this;
+    }
+    PDFPageTree.prototype.Parent = function () {
+        return this.lookup(PDFName_1.default.of('Parent'));
+    };
+    PDFPageTree.prototype.Kids = function () {
+        return this.lookup(PDFName_1.default.of('Kids'), PDFArray_1.default);
+    };
+    PDFPageTree.prototype.Count = function () {
+        return this.lookup(PDFName_1.default.of('Count'), PDFNumber_1.default);
+    };
+    PDFPageTree.prototype.pushTreeNode = function (treeRef) {
+        var Kids = this.Kids();
+        Kids.push(treeRef);
+    };
+    PDFPageTree.prototype.pushLeafNode = function (leafRef) {
+        var Kids = this.Kids();
+        this.insertLeafKid(Kids.size(), leafRef);
+    };
+    /**
+     * Inserts the given ref as a leaf node of this page tree at the specified
+     * index (zero-based). Also increments the `Count` of each page tree in the
+     * hierarchy to accomodate the new page.
+     *
+     * Returns the ref of the PDFPageTree node into which `leafRef` was inserted,
+     * or `undefined` if it was inserted into the root node (the PDFPageTree upon
+     * which the method was first called).
+     */
+    PDFPageTree.prototype.insertLeafNode = function (leafRef, targetIndex) {
+        var Kids = this.Kids();
+        var Count = this.Count().asNumber();
+        if (targetIndex > Count) {
+            throw new errors_1.InvalidTargetIndexError(targetIndex, Count);
+        }
+        var leafsRemainingUntilTarget = targetIndex;
+        for (var idx = 0, len = Kids.size(); idx < len; idx++) {
+            if (leafsRemainingUntilTarget === 0) {
+                // Insert page and return
+                this.insertLeafKid(idx, leafRef);
+                return undefined;
+            }
+            var kidRef = Kids.get(idx);
+            var kid = this.context.lookup(kidRef);
+            if (kid instanceof PDFPageTree) {
+                if (kid.Count().asNumber() > leafsRemainingUntilTarget) {
+                    // Dig in
+                    return (kid.insertLeafNode(leafRef, leafsRemainingUntilTarget) || kidRef);
+                }
+                else {
+                    // Move on
+                    leafsRemainingUntilTarget -= kid.Count().asNumber();
+                }
+            }
+            if (kid instanceof PDFPageLeaf_1.default) {
+                // Move on
+                leafsRemainingUntilTarget -= 1;
+            }
+        }
+        if (leafsRemainingUntilTarget === 0) {
+            // Insert page at the end and return
+            this.insertLeafKid(Kids.size(), leafRef);
+            return undefined;
+        }
+        // Should never get here if `targetIndex` is valid
+        throw new errors_1.CorruptPageTreeError(targetIndex, 'insertLeafNode');
+    };
+    /**
+     * Removes the leaf node at the specified index (zero-based) from this page
+     * tree. Also decrements the `Count` of each page tree in the hierarchy to
+     * account for the removed page.
+     *
+     * If `prune` is true, then intermediate tree nodes will be removed from the
+     * tree if they contain 0 children after the leaf node is removed.
+     */
+    PDFPageTree.prototype.removeLeafNode = function (targetIndex, prune) {
+        if (prune === void 0) { prune = true; }
+        var Kids = this.Kids();
+        var Count = this.Count().asNumber();
+        if (targetIndex >= Count) {
+            throw new errors_1.InvalidTargetIndexError(targetIndex, Count);
+        }
+        var leafsRemainingUntilTarget = targetIndex;
+        for (var idx = 0, len = Kids.size(); idx < len; idx++) {
+            var kidRef = Kids.get(idx);
+            var kid = this.context.lookup(kidRef);
+            if (kid instanceof PDFPageTree) {
+                if (kid.Count().asNumber() > leafsRemainingUntilTarget) {
+                    // Dig in
+                    kid.removeLeafNode(leafsRemainingUntilTarget, prune);
+                    if (prune && kid.Kids().size() === 0)
+                        Kids.remove(idx);
+                    return;
+                }
+                else {
+                    // Move on
+                    leafsRemainingUntilTarget -= kid.Count().asNumber();
+                }
+            }
+            if (kid instanceof PDFPageLeaf_1.default) {
+                if (leafsRemainingUntilTarget === 0) {
+                    // Remove page and return
+                    this.removeKid(idx);
+                    return;
+                }
+                else {
+                    // Move on
+                    leafsRemainingUntilTarget -= 1;
+                }
+            }
+        }
+        // Should never get here if `targetIndex` is valid
+        throw new errors_1.CorruptPageTreeError(targetIndex, 'removeLeafNode');
+    };
+    PDFPageTree.prototype.ascend = function (visitor) {
+        visitor(this);
+        var Parent = this.Parent();
+        if (Parent)
+            Parent.ascend(visitor);
+    };
+    /** Performs a Post-Order traversal of this page tree */
+    PDFPageTree.prototype.traverse = function (visitor) {
+        var Kids = this.Kids();
+        for (var idx = 0, len = Kids.size(); idx < len; idx++) {
+            var kidRef = Kids.get(idx);
+            var kid = this.context.lookup(kidRef);
+            if (kid instanceof PDFPageTree)
+                kid.traverse(visitor);
+            visitor(kid, kidRef);
+        }
+    };
+    PDFPageTree.prototype.insertLeafKid = function (kidIdx, leafRef) {
+        var Kids = this.Kids();
+        this.ascend(function (node) {
+            var newCount = node.Count().asNumber() + 1;
+            node.set(PDFName_1.default.of('Count'), PDFNumber_1.default.of(newCount));
+        });
+        Kids.insert(kidIdx, leafRef);
+    };
+    PDFPageTree.prototype.removeKid = function (kidIdx) {
+        var Kids = this.Kids();
+        var kid = Kids.lookup(kidIdx);
+        if (kid instanceof PDFPageLeaf_1.default) {
+            this.ascend(function (node) {
+                var newCount = node.Count().asNumber() - 1;
+                node.set(PDFName_1.default.of('Count'), PDFNumber_1.default.of(newCount));
+            });
+        }
+        Kids.remove(kidIdx);
+    };
+    PDFPageTree.withContext = function (context, parent) {
+        var dict = new Map();
+        dict.set(PDFName_1.default.of('Type'), PDFName_1.default.of('Pages'));
+        dict.set(PDFName_1.default.of('Kids'), context.obj([]));
+        dict.set(PDFName_1.default.of('Count'), context.obj(0));
+        if (parent)
+            dict.set(PDFName_1.default.of('Parent'), parent);
+        return new PDFPageTree(dict, context);
+    };
+    PDFPageTree.fromMapWithContext = function (map, context) {
+        return new PDFPageTree(map, context);
+    };
+    return PDFPageTree;
+}(PDFDict_1.default));
+exports.default = PDFPageTree;
+//# sourceMappingURL=PDFPageTree.js.map