73 lines
3.3 KiB
JavaScript
73 lines
3.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var tslib_1 = require("tslib");
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var core_1 = require("../core");
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/**
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* Represents JavaScript that has been embedded in a [[PDFDocument]].
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*/
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var PDFJavaScript = /** @class */ (function () {
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function PDFJavaScript(ref, doc, embedder) {
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this.alreadyEmbedded = false;
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this.ref = ref;
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this.doc = doc;
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this.embedder = embedder;
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}
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/**
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* > **NOTE:** You probably don't need to call this method directly. The
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* > [[PDFDocument.save]] and [[PDFDocument.saveAsBase64]] methods will
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* > automatically ensure all JavaScripts get embedded.
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*
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* Embed this JavaScript in its document.
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*
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* @returns Resolves when the embedding is complete.
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*/
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PDFJavaScript.prototype.embed = function () {
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return tslib_1.__awaiter(this, void 0, void 0, function () {
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var _a, catalog, context, ref, Names, Javascript, JSNames;
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return tslib_1.__generator(this, function (_b) {
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switch (_b.label) {
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case 0:
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if (!!this.alreadyEmbedded) return [3 /*break*/, 2];
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_a = this.doc, catalog = _a.catalog, context = _a.context;
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return [4 /*yield*/, this.embedder.embedIntoContext(this.doc.context, this.ref)];
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case 1:
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ref = _b.sent();
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if (!catalog.has(core_1.PDFName.of('Names'))) {
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catalog.set(core_1.PDFName.of('Names'), context.obj({}));
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}
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Names = catalog.lookup(core_1.PDFName.of('Names'), core_1.PDFDict);
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if (!Names.has(core_1.PDFName.of('JavaScript'))) {
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Names.set(core_1.PDFName.of('JavaScript'), context.obj({}));
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}
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Javascript = Names.lookup(core_1.PDFName.of('JavaScript'), core_1.PDFDict);
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if (!Javascript.has(core_1.PDFName.of('Names'))) {
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Javascript.set(core_1.PDFName.of('Names'), context.obj([]));
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}
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JSNames = Javascript.lookup(core_1.PDFName.of('Names'), core_1.PDFArray);
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JSNames.push(core_1.PDFHexString.fromText(this.embedder.scriptName));
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JSNames.push(ref);
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this.alreadyEmbedded = true;
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_b.label = 2;
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case 2: return [2 /*return*/];
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}
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});
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});
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};
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/**
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* > **NOTE:** You probably don't want to call this method directly. Instead,
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* > consider using the [[PDFDocument.addJavaScript]] method, which will
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* create instances of [[PDFJavaScript]] for you.
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*
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* Create an instance of [[PDFJavaScript]] from an existing ref and script
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*
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* @param ref The unique reference for this script.
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* @param doc The document to which the script will belong.
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* @param embedder The embedder that will be used to embed the script.
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*/
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PDFJavaScript.of = function (ref, doc, embedder) {
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return new PDFJavaScript(ref, doc, embedder);
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};
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return PDFJavaScript;
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}());
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exports.default = PDFJavaScript;
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//# sourceMappingURL=PDFJavaScript.js.map
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