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Only bundle the src/display/node_utils.js file in GENERIC-builds

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This first of all simplifies the file, since we no longer need dummy-classes and can instead *directly* define the actual classes.
Furthermore, and more importantly, this means that we no longer need to bundle this code in e.g. MOZCENTRAL-builds which reduces the size of *built* `pdf.js` file slightly.
This commit is contained in:
Jonas Jenwald 2022-05-03 11:13:34 +02:00
parent da4f7dfcd0
commit 7df47c289f
2 changed files with 57 additions and 75 deletions
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32
src/display/api.js
View file

@ -49,11 +49,6 @@ import {
StatTimer,
} from "./display_utils.js";
import { FontFaceObject, FontLoader } from "./font_loader.js";
import {
NodeCanvasFactory,
NodeCMapReaderFactory,
NodeStandardFontDataFactory,
} from "./node_utils.js";
import { AnnotationStorage } from "./annotation_storage.js";
import { CanvasGraphics } from "./canvas.js";
import { GlobalWorkerOptions } from "./worker_options.js";
@ -67,18 +62,21 @@ import { XfaText } from "./xfa_text.js";
const DEFAULT_RANGE_CHUNK_SIZE = 65536; // 2^16 = 65536
const RENDERING_CANCELLED_TIMEOUT = 100; // ms
const DefaultCanvasFactory =
(typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) && isNodeJS
? NodeCanvasFactory
: DOMCanvasFactory;
const DefaultCMapReaderFactory =
(typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) && isNodeJS
? NodeCMapReaderFactory
: DOMCMapReaderFactory;
const DefaultStandardFontDataFactory =
(typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) && isNodeJS
? NodeStandardFontDataFactory
: DOMStandardFontDataFactory;
let DefaultCanvasFactory = DOMCanvasFactory;
let DefaultCMapReaderFactory = DOMCMapReaderFactory;
let DefaultStandardFontDataFactory = DOMStandardFontDataFactory;
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("GENERIC") && isNodeJS) {
const {
NodeCanvasFactory,
NodeCMapReaderFactory,
NodeStandardFontDataFactory,
} = require("./node_utils.js");
DefaultCanvasFactory = NodeCanvasFactory;
DefaultCMapReaderFactory = NodeCMapReaderFactory;
DefaultStandardFontDataFactory = NodeStandardFontDataFactory;
}
/**
* @typedef {function} IPDFStreamFactory

100
src/display/node_utils.js
View file

@ -19,70 +19,54 @@ import {
BaseCMapReaderFactory,
BaseStandardFontDataFactory,
} from "./base_factory.js";
import { isNodeJS } from "../shared/is_node.js";
import { unreachable } from "../shared/util.js";
let NodeCanvasFactory = class {
constructor() {
unreachable("Not implemented: NodeCanvasFactory");
}
};
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) {
throw new Error(
'Module "./node_utils.js" shall not be used with MOZCENTRAL builds.'
);
}
let NodeCMapReaderFactory = class {
constructor() {
unreachable("Not implemented: NodeCMapReaderFactory");
}
};
let NodeStandardFontDataFactory = class {
constructor() {
unreachable("Not implemented: NodeStandardFontDataFactory");
}
};
if ((typeof PDFJSDev === "undefined" || PDFJSDev.test("GENERIC")) && isNodeJS) {
const fetchData = function (url) {
return new Promise((resolve, reject) => {
const fs = __non_webpack_require__("fs");
fs.readFile(url, (error, data) => {
if (error || !data) {
reject(new Error(error));
return;
}
resolve(new Uint8Array(data));
});
const fetchData = function (url) {
return new Promise((resolve, reject) => {
const fs = __non_webpack_require__("fs");
fs.readFile(url, (error, data) => {
if (error || !data) {
reject(new Error(error));
return;
}
resolve(new Uint8Array(data));
});
};
});
};
NodeCanvasFactory = class extends BaseCanvasFactory {
/**
* @ignore
*/
_createCanvas(width, height) {
const Canvas = __non_webpack_require__("canvas");
return Canvas.createCanvas(width, height);
}
};
class NodeCanvasFactory extends BaseCanvasFactory {
/**
* @ignore
*/
_createCanvas(width, height) {
const Canvas = __non_webpack_require__("canvas");
return Canvas.createCanvas(width, height);
}
}
NodeCMapReaderFactory = class extends BaseCMapReaderFactory {
/**
* @ignore
*/
_fetchData(url, compressionType) {
return fetchData(url).then(data => {
return { cMapData: data, compressionType };
});
}
};
class NodeCMapReaderFactory extends BaseCMapReaderFactory {
/**
* @ignore
*/
_fetchData(url, compressionType) {
return fetchData(url).then(data => {
return { cMapData: data, compressionType };
});
}
}
NodeStandardFontDataFactory = class extends BaseStandardFontDataFactory {
/**
* @ignore
*/
_fetchData(url) {
return fetchData(url);
}
};
class NodeStandardFontDataFactory extends BaseStandardFontDataFactory {
/**
* @ignore
*/
_fetchData(url) {
return fetchData(url);
}
}
export {