@pdfme/generator
Version:
TypeScript base PDF generator and React base UI. Open source, developed by the community, and completely free to use under the MIT license!
144 lines • 6.69 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.insertPage = exports.postProcessing = exports.preprocessing = exports.validateRequiredFields = exports.getEmbedPdfPages = void 0;
const fontkit = __importStar(require("fontkit"));
const common_1 = require("@pdfme/common");
const schemas_1 = require("@pdfme/schemas");
const pdf_lib_1 = require("@pdfme/pdf-lib");
const constants_js_1 = require("./constants.js");
const getEmbedPdfPages = async (arg) => {
const { template: { schemas, basePdf }, pdfDoc, } = arg;
let basePages = [];
let embedPdfBoxes = [];
if ((0, common_1.isBlankPdf)(basePdf)) {
const { width: _width, height: _height } = basePdf;
const width = (0, common_1.mm2pt)(_width);
const height = (0, common_1.mm2pt)(_height);
basePages = schemas.map(() => {
const page = pdf_lib_1.PDFPage.create(pdfDoc);
page.setSize(width, height);
return page;
});
embedPdfBoxes = schemas.map(() => ({
mediaBox: { x: 0, y: 0, width, height },
bleedBox: { x: 0, y: 0, width, height },
trimBox: { x: 0, y: 0, width, height },
}));
}
else {
const willLoadPdf = await (0, common_1.getB64BasePdf)(basePdf);
const embedPdf = await pdf_lib_1.PDFDocument.load(willLoadPdf);
const embedPdfPages = embedPdf.getPages();
embedPdfBoxes = embedPdfPages.map((p) => ({
mediaBox: p.getMediaBox(),
bleedBox: p.getBleedBox(),
trimBox: p.getTrimBox(),
}));
const boundingBoxes = embedPdfPages.map((p) => {
const { x, y, width, height } = p.getMediaBox();
return { left: x, bottom: y, right: width, top: height + y };
});
const transformationMatrices = embedPdfPages.map(() => [1, 0, 0, 1, 0, 0]);
basePages = await pdfDoc.embedPages(embedPdfPages, boundingBoxes, transformationMatrices);
}
return { basePages, embedPdfBoxes };
};
exports.getEmbedPdfPages = getEmbedPdfPages;
const validateRequiredFields = (template, inputs) => {
template.schemas.forEach((schemaPage) => schemaPage.forEach((schema) => {
if (schema.required && !schema.readOnly && !inputs.some((input) => input[schema.name])) {
throw new Error(`[@pdfme/generator] input for '${schema.name}' is required to generate this PDF`);
}
}));
};
exports.validateRequiredFields = validateRequiredFields;
const preprocessing = async (arg) => {
const { template, userPlugins } = arg;
const { schemas, basePdf } = template;
const staticSchema = (0, common_1.isBlankPdf)(basePdf) ? (basePdf.staticSchema ?? []) : [];
const pdfDoc = await pdf_lib_1.PDFDocument.create();
// @ts-expect-error registerFontkit method is not in type definitions but exists at runtime
pdfDoc.registerFontkit(fontkit);
const plugins = (0, common_1.pluginRegistry)(Object.values(userPlugins).length > 0 ? userPlugins : schemas_1.builtInPlugins);
const schemaTypes = Array.from(new Set(schemas
.flatMap((schemaPage) => schemaPage.map((schema) => schema.type))
.concat(staticSchema.map((schema) => schema.type))));
const renderObj = schemaTypes.reduce((acc, type) => {
const plugin = plugins.findByType(type);
if (!plugin || !plugin.pdf) {
throw new Error(`[@pdfme/generator] Plugin or renderer for type ${type} not found.
Check this document: https://pdfme.com/docs/custom-schemas`);
}
// Use type assertion to handle the pdf function with schema type
return {
...acc,
[type]: plugin.pdf,
};
}, {});
return { pdfDoc, renderObj };
};
exports.preprocessing = preprocessing;
const postProcessing = (props) => {
const { pdfDoc, options } = props;
const { author = constants_js_1.TOOL_NAME, creationDate = new Date(), creator = constants_js_1.TOOL_NAME, keywords = [], lang = 'en', modificationDate = new Date(), producer = constants_js_1.TOOL_NAME, subject = '', title = '', } = options;
pdfDoc.setAuthor(author);
pdfDoc.setCreationDate(creationDate);
pdfDoc.setCreator(creator);
pdfDoc.setKeywords(keywords);
pdfDoc.setLanguage(lang);
pdfDoc.setModificationDate(modificationDate);
pdfDoc.setProducer(producer);
pdfDoc.setSubject(subject);
pdfDoc.setTitle(title);
};
exports.postProcessing = postProcessing;
const insertPage = (arg) => {
const { basePage, embedPdfBox, pdfDoc } = arg;
const size = basePage instanceof pdf_lib_1.PDFEmbeddedPage ? basePage.size() : basePage.getSize();
const insertedPage = basePage instanceof pdf_lib_1.PDFEmbeddedPage
? pdfDoc.addPage([size.width, size.height])
: pdfDoc.addPage(basePage);
if (basePage instanceof pdf_lib_1.PDFEmbeddedPage) {
insertedPage.drawPage(basePage);
const { mediaBox, bleedBox, trimBox } = embedPdfBox;
insertedPage.setMediaBox(mediaBox.x, mediaBox.y, mediaBox.width, mediaBox.height);
insertedPage.setBleedBox(bleedBox.x, bleedBox.y, bleedBox.width, bleedBox.height);
insertedPage.setTrimBox(trimBox.x, trimBox.y, trimBox.width, trimBox.height);
}
return insertedPage;
};
exports.insertPage = insertPage;
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