mirror of
https://github.com/Stirling-Tools/Stirling-PDF.git
synced 2025-04-19 19:21:18 +00:00
cleaned up node server
This commit is contained in:
Saud Fatayerji
parent
02f98fb378
commit
13c4f664c2
105
package-lock.json
generated
105
package-lock.json
generated
@ -3568,6 +3568,11 @@
|
||||
"url": "https://github.com/chalk/ansi-styles?sponsor=1"
|
||||
}
|
||||
},
|
||||
"node_modules/append-field": {
|
||||
"version": "1.0.0",
|
||||
"resolved": "https://registry.npmjs.org/append-field/-/append-field-1.0.0.tgz",
|
||||
"integrity": "sha512-klpgFSWLW1ZEs8svjfb7g4qWY0YS5imI82dTg+QahUvJ8YqAY0P10Uk8tTyh9ZGuYEZEMaeJYCF5BFuX552hsw=="
|
||||
},
|
||||
"node_modules/arch": {
|
||||
"version": "2.2.0",
|
||||
"resolved": "https://registry.npmjs.org/arch/-/arch-2.2.0.tgz",
|
||||
@ -4053,9 +4058,7 @@
|
||||
"node_modules/buffer-from": {
|
||||
"version": "1.1.2",
|
||||
"resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
|
||||
"integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ==",
|
||||
"dev": true,
|
||||
"peer": true
|
||||
"integrity": "sha512-E+XQCRwSbaaiChtv6k6Dwgc+bx+Bs6vuKJHHl5kox/BaKbhiXzqQOwK4cO22yElGp2OCmjwVhT3HmxgyPGnJfQ=="
|
||||
},
|
||||
"node_modules/busboy": {
|
||||
"version": "1.6.0",
|
||||
@ -4352,6 +4355,47 @@
|
||||
"integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
|
||||
"dev": true
|
||||
},
|
||||
"node_modules/concat-stream": {
|
||||
"version": "1.6.2",
|
||||
"resolved": "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.2.tgz",
|
||||
"integrity": "sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==",
|
||||
"engines": [
|
||||
"node >= 0.8"
|
||||
],
|
||||
"dependencies": {
|
||||
"buffer-from": "^1.0.0",
|
||||
"inherits": "^2.0.3",
|
||||
"readable-stream": "^2.2.2",
|
||||
"typedarray": "^0.0.6"
|
||||
}
|
||||
},
|
||||
"node_modules/concat-stream/node_modules/readable-stream": {
|
||||
"version": "2.3.8",
|
||||
"resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.8.tgz",
|
||||
"integrity": "sha512-8p0AUk4XODgIewSi0l8Epjs+EVnWiK7NoDIEGU0HhE7+ZyY8D1IMY7odu5lRrFXGg71L15KG8QrPmum45RTtdA==",
|
||||
"dependencies": {
|
||||
"core-util-is": "~1.0.0",
|
||||
"inherits": "~2.0.3",
|
||||
"isarray": "~1.0.0",
|
||||
"process-nextick-args": "~2.0.0",
|
||||
"safe-buffer": "~5.1.1",
|
||||
"string_decoder": "~1.1.1",
|
||||
"util-deprecate": "~1.0.1"
|
||||
}
|
||||
},
|
||||
"node_modules/concat-stream/node_modules/safe-buffer": {
|
||||
"version": "5.1.2",
|
||||
"resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
|
||||
"integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
|
||||
},
|
||||
"node_modules/concat-stream/node_modules/string_decoder": {
|
||||
"version": "1.1.1",
|
||||
"resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
|
||||
"integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
|
||||
"dependencies": {
|
||||
"safe-buffer": "~5.1.0"
|
||||
}
|
||||
},
|
||||
"node_modules/concurrently": {
|
||||
"version": "8.2.2",
|
||||
"resolved": "https://registry.npmjs.org/concurrently/-/concurrently-8.2.2.tgz",
|
||||
@ -5533,17 +5577,6 @@
|
||||
"node": ">= 0.10.0"
|
||||
}
|
||||
},
|
||||
"node_modules/express-fileupload": {
|
||||
"version": "1.4.1",
|
||||
"resolved": "https://registry.npmjs.org/express-fileupload/-/express-fileupload-1.4.1.tgz",
|
||||
"integrity": "sha512-9F6SkbxbEOA9cYOBZ8tnn238jL+bGfacQuUO/JqPWp5t+piUcoDcESvKwAXsQV7IHGxmI5bMj3QxMWOKOIsMCg==",
|
||||
"dependencies": {
|
||||
"busboy": "^1.6.0"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">=12.0.0"
|
||||
}
|
||||
},
|
||||
"node_modules/extend": {
|
||||
"version": "3.0.2",
|
||||
"resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
|
||||
@ -7568,11 +7601,21 @@
|
||||
"version": "1.2.8",
|
||||
"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
|
||||
"integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
|
||||
"dev": true,
|
||||
"funding": {
|
||||
"url": "https://github.com/sponsors/ljharb"
|
||||
}
|
||||
},
|
||||
"node_modules/mkdirp": {
|
||||
"version": "0.5.6",
|
||||
"resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
|
||||
"integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
|
||||
"dependencies": {
|
||||
"minimist": "^1.2.6"
|
||||
},
|
||||
"bin": {
|
||||
"mkdirp": "bin/cmd.js"
|
||||
}
|
||||
},
|
||||
"node_modules/mlly": {
|
||||
"version": "1.4.2",
|
||||
"resolved": "https://registry.npmjs.org/mlly/-/mlly-1.4.2.tgz",
|
||||
@ -7590,6 +7633,23 @@
|
||||
"resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
|
||||
"integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
|
||||
},
|
||||
"node_modules/multer": {
|
||||
"version": "1.4.5-lts.1",
|
||||
"resolved": "https://registry.npmjs.org/multer/-/multer-1.4.5-lts.1.tgz",
|
||||
"integrity": "sha512-ywPWvcDMeH+z9gQq5qYHCCy+ethsk4goepZ45GLD63fOu0YcNecQxi64nDs3qluZB+murG3/D4dJ7+dGctcCQQ==",
|
||||
"dependencies": {
|
||||
"append-field": "^1.0.0",
|
||||
"busboy": "^1.0.0",
|
||||
"concat-stream": "^1.5.2",
|
||||
"mkdirp": "^0.5.4",
|
||||
"object-assign": "^4.1.1",
|
||||
"type-is": "^1.6.4",
|
||||
"xtend": "^4.0.0"
|
||||
},
|
||||
"engines": {
|
||||
"node": ">= 6.0.0"
|
||||
}
|
||||
},
|
||||
"node_modules/nanoid": {
|
||||
"version": "3.3.6",
|
||||
"resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.6.tgz",
|
||||
@ -9542,6 +9602,11 @@
|
||||
"url": "https://github.com/sponsors/ljharb"
|
||||
}
|
||||
},
|
||||
"node_modules/typedarray": {
|
||||
"version": "0.0.6",
|
||||
"resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
|
||||
"integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA=="
|
||||
},
|
||||
"node_modules/typescript": {
|
||||
"version": "5.2.2",
|
||||
"resolved": "https://registry.npmjs.org/typescript/-/typescript-5.2.2.tgz",
|
||||
@ -10191,6 +10256,14 @@
|
||||
"integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
|
||||
"dev": true
|
||||
},
|
||||
"node_modules/xtend": {
|
||||
"version": "4.0.2",
|
||||
"resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
|
||||
"integrity": "sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==",
|
||||
"engines": {
|
||||
"node": ">=0.4"
|
||||
}
|
||||
},
|
||||
"node_modules/y18n": {
|
||||
"version": "5.0.8",
|
||||
"resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
|
||||
@ -10277,7 +10350,7 @@
|
||||
"@wasmer/wasmfs": "^0.12.0",
|
||||
"archiver": "^6.0.1",
|
||||
"express": "^4.18.2",
|
||||
"express-fileupload": "^1.4.1",
|
||||
"multer": "^1.4.5-lts.1",
|
||||
"pdf-lib": "^1.17.1"
|
||||
}
|
||||
},
|
||||
|
||||
@ -1,19 +1,21 @@
|
||||
|
||||
import api from './routes/api/index.js';
|
||||
import operations from './routes/api/operations.js';
|
||||
|
||||
import express from 'express';
|
||||
const app = express();
|
||||
|
||||
const PORT = 8080;
|
||||
|
||||
|
||||
// Static Middleware
|
||||
app.use(express.static('./public'));
|
||||
|
||||
|
||||
app.get('/', function (req, res, next) { // TODO: Use EJS?
|
||||
res.render('home.ejs');
|
||||
});
|
||||
|
||||
app.use("/api/", api);
|
||||
|
||||
app.use("/api/operations", operations);
|
||||
app.use("/api/workflow", workflow);
|
||||
|
||||
app.listen(PORT, function (err) {
|
||||
if (err) console.log(err);
|
||||
console.log(`http://localhost:${PORT}`);
|
||||
|
||||
@ -8,12 +8,12 @@
|
||||
"author": "",
|
||||
"license": "ISC",
|
||||
"dependencies": {
|
||||
"@stirling-pdf/shared-operations": "*",
|
||||
"@wasmer/wasmfs": "^0.12.0",
|
||||
"archiver": "^6.0.1",
|
||||
"express": "^4.18.2",
|
||||
"express-fileupload": "^1.4.1",
|
||||
"pdf-lib": "^1.17.1",
|
||||
"@stirling-pdf/shared-operations": "*"
|
||||
"multer": "^1.4.5-lts.1",
|
||||
"pdf-lib": "^1.17.1"
|
||||
},
|
||||
"type": "module"
|
||||
}
|
||||
|
||||
@ -4,30 +4,14 @@
|
||||
<meta charset="UTF-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<title>Document</title>
|
||||
|
||||
<!--TODO: Remove External Dependencies-->
|
||||
<script src="https://unpkg.com/pdf-lib@1.17.1/dist/pdf-lib.min.js"></script>
|
||||
<script src="https://unpkg.com/downloadjs@1.4.7"></script>
|
||||
|
||||
<script src="/wasm/browserfs.min.js"></script>
|
||||
|
||||
<script src="index.js" type="module"></script>
|
||||
</head>
|
||||
<body>
|
||||
<input type="file" id="pdfFile" accept=".pdf" multiple>
|
||||
|
||||
<ul id="operations">
|
||||
|
||||
</ul>
|
||||
|
||||
<select id="pdfOptions">
|
||||
<option value="scaleContent">Scale Content</option>
|
||||
<option value="changePageSize">Change Page Size</option>
|
||||
<option value="mergePDFs">Merge PDFs</option>
|
||||
<option value="splitPDFs">Split PDFs</option>
|
||||
</select>
|
||||
<button id="addButton">Add</button>
|
||||
|
||||
<button id="doneButton">Done</button>
|
||||
<h1>Rotate</h1>
|
||||
|
||||
<form action="/rotate-pdf" method="post" enctype="multipart/form-data">
|
||||
<input type="file" name="pdfFile" accept=".pdf" multiple>
|
||||
<br>
|
||||
<button id="doneButton">Done</button>
|
||||
</form>
|
||||
</body>
|
||||
</html>
|
||||
@ -1,43 +0,0 @@
|
||||
import { scaleContent } from "./functions/scaleContent.js";
|
||||
import { scalePage, PageSize } from "./functions/scalePage.js";
|
||||
import * as exampleWorkflows from "./exampleWorkflows.js";
|
||||
import { traverseOperations } from "./traverseOperations.js";
|
||||
import * as Functions from "./pdf-operations.js";
|
||||
|
||||
(async (workflow) => {
|
||||
const pdfFileInput = document.getElementById('pdfFile');
|
||||
const doneButton = document.getElementById("doneButton");
|
||||
|
||||
doneButton.addEventListener('click', async (e) => {
|
||||
console.log("Starting...");
|
||||
|
||||
const files = Array.from(pdfFileInput.files);
|
||||
console.log(files);
|
||||
const inputs = await Promise.all(files.map(async file => {
|
||||
return {
|
||||
originalFileName: file.name.replace(/\.[^/.]+$/, ""),
|
||||
fileName: file.name.replace(/\.[^/.]+$/, ""),
|
||||
buffer: new Uint8Array(await file.arrayBuffer())
|
||||
}
|
||||
}));
|
||||
console.log(inputs);
|
||||
|
||||
const traverse = traverseOperations(workflow.operations, inputs, Functions);
|
||||
|
||||
let pdfResults;
|
||||
let iteration;
|
||||
while (true) {
|
||||
iteration = await traverse.next();
|
||||
if (iteration.done) {
|
||||
pdfResults = iteration.value;
|
||||
console.log(`data: processing done\n\n`);
|
||||
break;
|
||||
}
|
||||
console.log(`data: ${iteration.value}\n\n`);
|
||||
}
|
||||
|
||||
pdfResults.forEach(result => {
|
||||
download(result.buffer, result.fileName, "application/pdf");
|
||||
});
|
||||
});
|
||||
})(exampleWorkflows.imposeOnly);
|
||||
@ -1,98 +0,0 @@
|
||||
let wasmLocation = "/wasm/";
|
||||
|
||||
let fs;
|
||||
let Buffer;
|
||||
|
||||
configureFs();
|
||||
loadWasm();
|
||||
|
||||
async function configureFs() {
|
||||
BrowserFS.configure(
|
||||
{
|
||||
fs: "InMemory",
|
||||
},
|
||||
function (e) {
|
||||
if (e) {
|
||||
// An error happened!
|
||||
throw e;
|
||||
}
|
||||
fs = BrowserFS.BFSRequire("fs");
|
||||
Buffer = BrowserFS.BFSRequire("buffer").Buffer;
|
||||
|
||||
window.fs = fs;
|
||||
window.Buffer = Buffer;
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
function loadWasm() {
|
||||
import("../../../server-node/public/wasm/wasm_exec.js");
|
||||
}
|
||||
|
||||
const runWasm = async (param) => {
|
||||
if (window.cachedWasmResponse === undefined) {
|
||||
const response = await fetch(wasmLocation + "/pdfcpu.wasm");
|
||||
const buffer = await response.arrayBuffer();
|
||||
window.cachedWasmResponse = buffer;
|
||||
window.go = new Go();
|
||||
}
|
||||
const { instance } = await WebAssembly.instantiate(
|
||||
window.cachedWasmResponse,
|
||||
window.go.importObject
|
||||
);
|
||||
window.go.argv = param;
|
||||
await window.go.run(instance);
|
||||
return window.go.exitCode;
|
||||
};
|
||||
|
||||
async function loadFileAsync(data) {
|
||||
console.log(`Writing file to MemoryFS`);
|
||||
await fs.writeFile(`/input.pdf`, data);
|
||||
console.log(`Write done. Validating...`);
|
||||
let exitcode = await runWasm([
|
||||
"pdfcpu.wasm",
|
||||
"validate",
|
||||
"-c",
|
||||
"disable",
|
||||
`/input.pdf`,
|
||||
]);
|
||||
|
||||
if (exitcode !== 0)
|
||||
throw new Error("There was an error validating your PDFs");
|
||||
|
||||
console.log(`File is Valid`);
|
||||
}
|
||||
|
||||
export async function impose(snapshot, nup, format) {
|
||||
|
||||
};
|
||||
|
||||
export async function oneToOne(wasmArray, snapshot) {
|
||||
await loadFileAsync(Buffer.from(snapshot));
|
||||
|
||||
console.log("Nuping File");
|
||||
let exitcode = await runWasm(wasmArray);
|
||||
|
||||
if (exitcode !== 0) {
|
||||
console.error("There was an error nuping your PDFs");
|
||||
return;
|
||||
}
|
||||
|
||||
await fs.unlink("input.pdf");
|
||||
const contents = fs.readFileSync("output.pdf");
|
||||
fs.unlink("output.pdf");
|
||||
console.log("Your File ist Ready!");
|
||||
return new Uint8Array(contents);
|
||||
}
|
||||
|
||||
export async function manyToOne() {
|
||||
//TODO: Do this of neccesary for some operations
|
||||
}
|
||||
|
||||
export async function oneToMany() {
|
||||
//TODO: Do this of neccesary for some operations
|
||||
}
|
||||
|
||||
export async function manyToMany() {
|
||||
//TODO: Do this of neccesary for some operations
|
||||
}
|
||||
@ -1,144 +0,0 @@
|
||||
import { WasmFs } from '@wasmer/wasmfs';
|
||||
import path from "path";
|
||||
|
||||
let webWasmLocation = "/wasm/";
|
||||
let nodeWasmLocation = "./public/wasm/";
|
||||
|
||||
let fs;
|
||||
const wasmfs = new WasmFs();
|
||||
|
||||
(async () => {
|
||||
await loadWasm();
|
||||
await configureFs();
|
||||
})();
|
||||
|
||||
async function configureFs() {
|
||||
// Can't use BrowserFS: https://github.com/jvilk/BrowserFS/issues/271
|
||||
fs = wasmfs.fs;
|
||||
global.fs = fs;
|
||||
|
||||
console.log("InMemoryFs configured");
|
||||
}
|
||||
|
||||
async function loadWasm() {
|
||||
global.crypto = (await import("crypto")).webcrypto; // wasm dependecy
|
||||
await import("./wasm_exec.js");
|
||||
}
|
||||
|
||||
const runWasm = async (param) => {
|
||||
if (global.cachedWasmResponse === undefined) {
|
||||
const buffer = (await import("fs")).readFileSync(nodeWasmLocation + "/pdfcpu.wasm");
|
||||
global.cachedWasmResponse = buffer;
|
||||
global.go = new Go();
|
||||
}
|
||||
const { instance } = await WebAssembly.instantiate(
|
||||
global.cachedWasmResponse,
|
||||
global.go.importObject
|
||||
);
|
||||
global.go.argv = param;
|
||||
await global.go.run(instance);
|
||||
return global.go.exitCode;
|
||||
};
|
||||
|
||||
async function loadFileAsync(data) {
|
||||
console.log(`Writing file to Disk`);
|
||||
fs.writeFileSync(`input.pdf`, data);
|
||||
console.log(`Write done. Validating...`);
|
||||
let exitcode = await runWasm([
|
||||
"pdfcpu.wasm",
|
||||
"validate",
|
||||
"-c",
|
||||
"disable",
|
||||
`input.pdf`,
|
||||
]);
|
||||
if (exitcode !== 0)
|
||||
throw new Error("There was an error validating your PDFs");
|
||||
|
||||
// // Get logs of command
|
||||
// wasmfs.getStdOut().then(response => {
|
||||
// console.log(response);
|
||||
// });
|
||||
|
||||
console.log(`File is Valid`);
|
||||
}
|
||||
|
||||
export async function oneToOne(wasmArray, snapshot) {
|
||||
await loadFileAsync(Buffer.from(snapshot));
|
||||
|
||||
console.log("Nuping File");
|
||||
|
||||
let exitcode = await runWasm(wasmArray);
|
||||
if (exitcode !== 0) {
|
||||
console.error("There was an error nuping your PDFs");
|
||||
return;
|
||||
}
|
||||
console.log("Nuping Done");
|
||||
|
||||
await checkExistsWithTimeout("/output.pdf", 1000);
|
||||
console.log("Write started...");
|
||||
|
||||
|
||||
// TODO: Make this more elegant, this waits for the write to finish.
|
||||
// Maybe replace wasmfs with https://github.com/streamich/memfs
|
||||
let fileSize;
|
||||
while (true) {
|
||||
fileSize = fs.statSync("/output.pdf").size;
|
||||
await new Promise((resolve, reject) => {
|
||||
setTimeout(() => {
|
||||
resolve();
|
||||
}, 50);
|
||||
});
|
||||
if(fileSize > 0 && fileSize == fs.statSync("/output.pdf").size) // Wait for file Size not changing anymore.
|
||||
break;
|
||||
}
|
||||
|
||||
console.log("Could be done?");
|
||||
|
||||
fs.unlinkSync("input.pdf");
|
||||
|
||||
const data = fs.readFileSync("/output.pdf");
|
||||
if(data.length == 0) {
|
||||
throw Error("File Size 0 that should not happen. The write probably didn't finish in time.");
|
||||
}
|
||||
fs.unlinkSync("output.pdf");
|
||||
console.log("Your File ist Ready!");
|
||||
return new Uint8Array(data);
|
||||
}
|
||||
|
||||
export async function manyToOne() {
|
||||
//TODO: Do this if necessary for some pdfcpu operations
|
||||
}
|
||||
|
||||
export async function oneToMany() {
|
||||
//TODO: Do this if necessary for some pdfcpu operations
|
||||
}
|
||||
|
||||
export async function manyToMany() {
|
||||
//TODO: Do this if necessary for some pdfcpu operations
|
||||
}
|
||||
|
||||
// THX: https://stackoverflow.com/questions/26165725/nodejs-check-file-exists-if-not-wait-till-it-exist
|
||||
function checkExistsWithTimeout(filePath, timeout) {
|
||||
return new Promise(function (resolve, reject) {
|
||||
|
||||
var timer = setTimeout(function () {
|
||||
watcher.close();
|
||||
reject(new Error('File did not exists and was not created during the timeout.'));
|
||||
}, timeout);
|
||||
|
||||
fs.access(filePath, fs.constants.R_OK, function (err) {
|
||||
if (!err) {
|
||||
clearTimeout(timer);
|
||||
watcher.close();
|
||||
resolve();
|
||||
}
|
||||
});
|
||||
|
||||
var dir = path.dirname(filePath);
|
||||
var watcher = fs.watch(dir, function (eventType, filename) {
|
||||
clearTimeout(timer);
|
||||
watcher.close();
|
||||
resolve();
|
||||
});
|
||||
});
|
||||
}
|
||||
Binary file not shown.
@ -1,872 +0,0 @@
|
||||
// Copyright 2018 The Go Authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style
|
||||
// license that can be found in the LICENSE file.
|
||||
(() => {
|
||||
// Map multiple JavaScript environments to a single common API,
|
||||
// preferring web standards over Node.js API.
|
||||
//
|
||||
// Environments considered:
|
||||
// - Browsers
|
||||
// - Node.js
|
||||
// - Electron
|
||||
// - Parcel
|
||||
// - Webpack
|
||||
|
||||
console.log("imported")
|
||||
if (typeof global !== "undefined") {
|
||||
// global already exists
|
||||
} else if (typeof window !== "undefined") {
|
||||
window.global = window;
|
||||
} else if (typeof self !== "undefined") {
|
||||
self.global = self;
|
||||
} else {
|
||||
throw new Error("cannot export Go (neither global, window nor self is defined)");
|
||||
}
|
||||
|
||||
let logFS = false
|
||||
var handler = {
|
||||
get: function (target, property) {
|
||||
if (property in target && target[property] instanceof Function) {
|
||||
return function () {
|
||||
if (logFS) {
|
||||
console.log(property, 'called', arguments);
|
||||
}
|
||||
// 将callback替换
|
||||
if (arguments[arguments.length - 1] instanceof Function) {
|
||||
var origCB = arguments[arguments.length - 1];
|
||||
var newCB = function () {
|
||||
if (logFS) {
|
||||
console.log('callback for', property, 'get called with args:', arguments);
|
||||
}
|
||||
return Reflect.apply(origCB, arguments.callee, arguments);
|
||||
}
|
||||
arguments[arguments.length - 1] = newCB;
|
||||
}
|
||||
return Reflect.apply(target[property], target, arguments);
|
||||
}
|
||||
} else {
|
||||
return target[property]
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (!global.require && typeof require !== "undefined") {
|
||||
global.require = require;
|
||||
}
|
||||
|
||||
|
||||
if (!global.fs && global.require) {
|
||||
|
||||
//const fs = require("fs");
|
||||
if (typeof fs === "object" && fs !== null && Object.keys(fs).length !== 0) {
|
||||
global.fs = fs;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
const enosys = () => {
|
||||
const err = new Error("not implemented");
|
||||
err.code = "ENOSYS";
|
||||
return err;
|
||||
};
|
||||
|
||||
if (!global.fs) {
|
||||
let outputBuf = "";
|
||||
global.fs = {
|
||||
constants: {
|
||||
O_WRONLY: -1,
|
||||
O_RDWR: -1,
|
||||
O_CREAT: -1,
|
||||
O_TRUNC: -1,
|
||||
O_APPEND: -1,
|
||||
O_EXCL: -1
|
||||
}, // unused
|
||||
writeSync(fd, buf) {
|
||||
outputBuf += decoder.decode(buf);
|
||||
const nl = outputBuf.lastIndexOf("\n");
|
||||
if (nl != -1) {
|
||||
console.log(outputBuf.substr(0, nl));
|
||||
outputBuf = outputBuf.substr(nl + 1);
|
||||
}
|
||||
return buf.length;
|
||||
},
|
||||
write(fd, buf, offset, length, position, callback) {
|
||||
if (offset !== 0 || length !== buf.length || position !== null) {
|
||||
callback(enosys());
|
||||
return;
|
||||
}
|
||||
const n = this.writeSync(fd, buf);
|
||||
callback(null, n);
|
||||
},
|
||||
chmod(path, mode, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
chown(path, uid, gid, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
close(fd, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
fchmod(fd, mode, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
fchown(fd, uid, gid, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
fstat(fd, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
fsync(fd, callback) {
|
||||
callback(null);
|
||||
},
|
||||
ftruncate(fd, length, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
lchown(path, uid, gid, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
link(path, link, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
lstat(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
mkdir(path, perm, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
open(path, flags, mode, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
read(fd, buffer, offset, length, position, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
readdir(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
readlink(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
rename(from, to, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
rmdir(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
stat(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
symlink(path, link, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
truncate(path, length, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
unlink(path, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
utimes(path, atime, mtime, callback) {
|
||||
callback(enosys());
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
if (!global.process) {
|
||||
global.process = {
|
||||
getuid() {
|
||||
return -1;
|
||||
},
|
||||
getgid() {
|
||||
return -1;
|
||||
},
|
||||
geteuid() {
|
||||
return -1;
|
||||
},
|
||||
getegid() {
|
||||
return -1;
|
||||
},
|
||||
getgroups() {
|
||||
throw enosys();
|
||||
},
|
||||
pid: -1,
|
||||
ppid: -1,
|
||||
umask() {
|
||||
throw enosys();
|
||||
},
|
||||
cwd() {
|
||||
throw enosys();
|
||||
},
|
||||
chdir() {
|
||||
throw enosys();
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
if (!global.crypto && global.require) {
|
||||
const nodeCrypto = require("crypto");
|
||||
global.crypto = {
|
||||
getRandomValues(b) {
|
||||
nodeCrypto.randomFillSync(b);
|
||||
},
|
||||
};
|
||||
}
|
||||
if (!global.crypto) {
|
||||
throw new Error("global.crypto is not available, polyfill required (getRandomValues only)");
|
||||
}
|
||||
|
||||
if (!global.performance) {
|
||||
global.performance = {
|
||||
now() {
|
||||
const [sec, nsec] = process.hrtime();
|
||||
return sec * 1000 + nsec / 1000000;
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
if (!global.TextEncoder && global.require) {
|
||||
global.TextEncoder = require("util").TextEncoder;
|
||||
}
|
||||
if (!global.TextEncoder) {
|
||||
throw new Error("global.TextEncoder is not available, polyfill required");
|
||||
}
|
||||
|
||||
if (!global.TextDecoder && global.require) {
|
||||
global.TextDecoder = require("util").TextDecoder;
|
||||
}
|
||||
if (!global.TextDecoder) {
|
||||
throw new Error("global.TextDecoder is not available, polyfill required");
|
||||
}
|
||||
|
||||
|
||||
const isNodeJS = global.process && global.process.title === "node";
|
||||
|
||||
if (!isNodeJS) {
|
||||
// console.log("ini browser fs")
|
||||
// var myfs = global.BrowserFS.BFSRequire('fs');
|
||||
// global.Buffer = global.BrowserFS.BFSRequire('buffer').Buffer;
|
||||
// global.fs = myfs;
|
||||
|
||||
global.fs.constants = {
|
||||
O_RDONLY: 0,
|
||||
O_WRONLY: 1,
|
||||
O_RDWR: 2,
|
||||
O_CREAT: 64,
|
||||
O_CREATE: 64,
|
||||
O_EXCL: 128,
|
||||
O_NOCTTY: 256,
|
||||
O_TRUNC: 512,
|
||||
O_APPEND: 1024,
|
||||
O_DIRECTORY: 65536,
|
||||
O_NOATIME: 262144,
|
||||
O_NOFOLLOW: 131072,
|
||||
O_SYNC: 1052672,
|
||||
O_DIRECT: 16384,
|
||||
O_NONBLOCK: 2048,
|
||||
};
|
||||
|
||||
let outputBuf = "";
|
||||
|
||||
global.fs.writeSyncOriginal = global.fs.writeSync
|
||||
global.fs.writeSync = function (fd, buf) {
|
||||
if (fd === 1 || fd === 2) {
|
||||
outputBuf += decoder.decode(buf);
|
||||
const nl = outputBuf.lastIndexOf("\n");
|
||||
if (nl != -1) {
|
||||
console.log(outputBuf.substr(0, nl));
|
||||
outputBuf = outputBuf.substr(nl + 1);
|
||||
}
|
||||
return buf.length;
|
||||
} else {
|
||||
return global.fs.writeSyncOriginal(...arguments);
|
||||
}
|
||||
};
|
||||
|
||||
global.fs.writeOriginal = global.fs.write
|
||||
global.fs.write = function (fd, buf, offset, length, position, callback) {
|
||||
// (corresponding to STDOUT/STDERR)
|
||||
if (fd === 1 || fd === 2) {
|
||||
if (offset !== 0 || length !== buf.length || position !== null) {
|
||||
throw new Error("not implemented");
|
||||
}
|
||||
const n = this.writeSync(fd, buf);
|
||||
callback(null, n, buf);
|
||||
} else {
|
||||
// buf: read buf first
|
||||
arguments[1] = global.Buffer.from(arguments[1]);
|
||||
return global.fs.writeOriginal(...arguments);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
|
||||
global.fs.openOriginal = global.fs.open
|
||||
global.fs.open = function (path, flags, mode, callback) {
|
||||
var myflags = 'r';
|
||||
var O = global.fs.constants;
|
||||
|
||||
// Convert numeric flags to string flags
|
||||
// FIXME: maybe wrong...
|
||||
console.log("open dir?", path, 'flag', flags, myflags)
|
||||
if (flags & O.O_WRONLY) { // 'w'
|
||||
myflags = 'w';
|
||||
if (flags & O.O_EXCL) {
|
||||
myflags = 'wx';
|
||||
}
|
||||
} else if (flags & O.O_RDWR) { // 'r+' or 'w+'
|
||||
if (flags & O.O_CREAT && flags & O.O_TRUNC) { // w+
|
||||
if (flags & O.O_EXCL) {
|
||||
myflags = 'wx+';
|
||||
} else {
|
||||
myflags = 'w+';
|
||||
}
|
||||
} else { // r+
|
||||
myflags = 'r+';
|
||||
}
|
||||
} else if (flags & O.O_APPEND) { // 'a'
|
||||
console.log("append error")
|
||||
throw new Error("Not implmented");
|
||||
} else {
|
||||
// 打开文件
|
||||
myflags = 'r+';
|
||||
console.log("open dir?", path, 'flag', flags, myflags)
|
||||
}
|
||||
|
||||
|
||||
return global.fs.openOriginal(path, myflags, mode, callback);
|
||||
};
|
||||
|
||||
global.fs.fstatOriginal = global.fs.fstat;
|
||||
global.fs.fstat = function (fd, callback) {
|
||||
return global.fs.fstatOriginal(fd, function () {
|
||||
var retStat = arguments[1];
|
||||
delete retStat['fileData'];
|
||||
retStat.atimeMs = retStat.atime.getTime();
|
||||
retStat.mtimeMs = retStat.mtime.getTime();
|
||||
retStat.ctimeMs = retStat.ctime.getTime();
|
||||
retStat.birthtimeMs = retStat.birthtime.getTime();
|
||||
return callback(arguments[0], retStat);
|
||||
|
||||
});
|
||||
};
|
||||
|
||||
|
||||
|
||||
global.fs.closeOriginal = global.fs.close;
|
||||
global.fs.close = function (fd, callback) {
|
||||
return global.fs.closeOriginal(fd, function () {
|
||||
if (typeof arguments[0] === 'undefined') arguments[0] = null;
|
||||
return callback(...arguments);
|
||||
});
|
||||
}
|
||||
|
||||
// global.fs.renameOriginal = global.fs.rename
|
||||
// global.fs.rename = function (from, to, callback) {
|
||||
// console.log("rename a0", arguments[0])
|
||||
// global.fs.renameOriginal(from, to);
|
||||
// callback(arguments[0])
|
||||
// }
|
||||
|
||||
// global.fs.renameSyncOriginal = global.fs.renameSync
|
||||
// global.fs.renameSync = function(fd, options) {
|
||||
// console.log("Sync")
|
||||
// }
|
||||
|
||||
|
||||
global.fs = new Proxy(global.fs, handler);
|
||||
}
|
||||
|
||||
// End of polyfills for common API.
|
||||
|
||||
const encoder = new TextEncoder("utf-8");
|
||||
const decoder = new TextDecoder("utf-8");
|
||||
|
||||
global.Go = class {
|
||||
constructor() {
|
||||
this.argv = ["js"];
|
||||
this.env = {};
|
||||
this.exit = (code) => {
|
||||
this.exitCode = code;
|
||||
if (code !== 0) {
|
||||
console.warn("exit code:", code);
|
||||
}
|
||||
};
|
||||
this._exitPromise = new Promise((resolve) => {
|
||||
this._resolveExitPromise = resolve;
|
||||
});
|
||||
this._pendingEvent = null;
|
||||
this._scheduledTimeouts = new Map();
|
||||
this._nextCallbackTimeoutID = 1;
|
||||
|
||||
const setInt64 = (addr, v) => {
|
||||
this.mem.setUint32(addr + 0, v, true);
|
||||
this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
|
||||
}
|
||||
|
||||
const getInt64 = (addr) => {
|
||||
const low = this.mem.getUint32(addr + 0, true);
|
||||
const high = this.mem.getInt32(addr + 4, true);
|
||||
return low + high * 4294967296;
|
||||
}
|
||||
|
||||
const loadValue = (addr) => {
|
||||
const f = this.mem.getFloat64(addr, true);
|
||||
if (f === 0) {
|
||||
return undefined;
|
||||
}
|
||||
if (!isNaN(f)) {
|
||||
return f;
|
||||
}
|
||||
|
||||
const id = this.mem.getUint32(addr, true);
|
||||
return this._values[id];
|
||||
}
|
||||
|
||||
const storeValue = (addr, v) => {
|
||||
const nanHead = 0x7FF80000;
|
||||
|
||||
if (typeof v === "number" && v !== 0) {
|
||||
if (isNaN(v)) {
|
||||
this.mem.setUint32(addr + 4, nanHead, true);
|
||||
this.mem.setUint32(addr, 0, true);
|
||||
return;
|
||||
}
|
||||
this.mem.setFloat64(addr, v, true);
|
||||
return;
|
||||
}
|
||||
|
||||
if (v === undefined) {
|
||||
this.mem.setFloat64(addr, 0, true);
|
||||
return;
|
||||
}
|
||||
|
||||
let id = this._ids.get(v);
|
||||
if (id === undefined) {
|
||||
id = this._idPool.pop();
|
||||
if (id === undefined) {
|
||||
id = this._values.length;
|
||||
}
|
||||
this._values[id] = v;
|
||||
this._goRefCounts[id] = 0;
|
||||
this._ids.set(v, id);
|
||||
}
|
||||
this._goRefCounts[id]++;
|
||||
let typeFlag = 0;
|
||||
switch (typeof v) {
|
||||
case "object":
|
||||
if (v !== null) {
|
||||
typeFlag = 1;
|
||||
}
|
||||
break;
|
||||
case "string":
|
||||
typeFlag = 2;
|
||||
break;
|
||||
case "symbol":
|
||||
typeFlag = 3;
|
||||
break;
|
||||
case "function":
|
||||
typeFlag = 4;
|
||||
break;
|
||||
}
|
||||
this.mem.setUint32(addr + 4, nanHead | typeFlag, true);
|
||||
this.mem.setUint32(addr, id, true);
|
||||
}
|
||||
|
||||
const loadSlice = (addr) => {
|
||||
const array = getInt64(addr + 0);
|
||||
const len = getInt64(addr + 8);
|
||||
return new Uint8Array(this._inst.exports.mem.buffer, array, len);
|
||||
}
|
||||
|
||||
const loadSliceOfValues = (addr) => {
|
||||
const array = getInt64(addr + 0);
|
||||
const len = getInt64(addr + 8);
|
||||
const a = new Array(len);
|
||||
for (let i = 0; i < len; i++) {
|
||||
a[i] = loadValue(array + i * 8);
|
||||
}
|
||||
return a;
|
||||
}
|
||||
|
||||
const loadString = (addr) => {
|
||||
const saddr = getInt64(addr + 0);
|
||||
const len = getInt64(addr + 8);
|
||||
return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));
|
||||
}
|
||||
|
||||
const timeOrigin = Date.now() - performance.now();
|
||||
this.importObject = {
|
||||
go: {
|
||||
// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)
|
||||
// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported
|
||||
// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).
|
||||
// This changes the SP, thus we have to update the SP used by the imported function.
|
||||
|
||||
// func wasmExit(code int32)
|
||||
"runtime.wasmExit": (sp) => {
|
||||
sp >>>= 0;
|
||||
const code = this.mem.getInt32(sp + 8, true);
|
||||
this.exited = true;
|
||||
delete this._inst;
|
||||
delete this._values;
|
||||
delete this._goRefCounts;
|
||||
delete this._ids;
|
||||
delete this._idPool;
|
||||
this.exit(code);
|
||||
},
|
||||
|
||||
// func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)
|
||||
"runtime.wasmWrite": (sp) => {
|
||||
sp >>>= 0;
|
||||
const fd = getInt64(sp + 8);
|
||||
const p = getInt64(sp + 16);
|
||||
const n = this.mem.getInt32(sp + 24, true);
|
||||
fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n));
|
||||
},
|
||||
|
||||
// func resetMemoryDataView()
|
||||
"runtime.resetMemoryDataView": (sp) => {
|
||||
sp >>>= 0;
|
||||
this.mem = new DataView(this._inst.exports.mem.buffer);
|
||||
},
|
||||
|
||||
// func nanotime1() int64
|
||||
"runtime.nanotime1": (sp) => {
|
||||
sp >>>= 0;
|
||||
setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);
|
||||
},
|
||||
|
||||
// func walltime1() (sec int64, nsec int32)
|
||||
"runtime.walltime1": (sp) => {
|
||||
sp >>>= 0;
|
||||
const msec = (new Date).getTime();
|
||||
setInt64(sp + 8, msec / 1000);
|
||||
this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
|
||||
},
|
||||
|
||||
// func scheduleTimeoutEvent(delay int64) int32
|
||||
"runtime.scheduleTimeoutEvent": (sp) => {
|
||||
sp >>>= 0;
|
||||
const id = this._nextCallbackTimeoutID;
|
||||
this._nextCallbackTimeoutID++;
|
||||
this._scheduledTimeouts.set(id, setTimeout(
|
||||
() => {
|
||||
this._resume();
|
||||
while (this._scheduledTimeouts.has(id)) {
|
||||
// for some reason Go failed to register the timeout event, log and try again
|
||||
// (temporary workaround for https://github.com/golang/go/issues/28975)
|
||||
console.warn("scheduleTimeoutEvent: missed timeout event");
|
||||
this._resume();
|
||||
}
|
||||
},
|
||||
getInt64(sp + 8) + 1, // setTimeout has been seen to fire up to 1 millisecond early
|
||||
));
|
||||
this.mem.setInt32(sp + 16, id, true);
|
||||
},
|
||||
|
||||
// func clearTimeoutEvent(id int32)
|
||||
"runtime.clearTimeoutEvent": (sp) => {
|
||||
sp >>>= 0;
|
||||
const id = this.mem.getInt32(sp + 8, true);
|
||||
clearTimeout(this._scheduledTimeouts.get(id));
|
||||
this._scheduledTimeouts.delete(id);
|
||||
},
|
||||
|
||||
// func getRandomData(r []byte)
|
||||
"runtime.getRandomData": (sp) => {
|
||||
sp >>>= 0;
|
||||
crypto.getRandomValues(loadSlice(sp + 8));
|
||||
},
|
||||
|
||||
// func finalizeRef(v ref)
|
||||
"syscall/js.finalizeRef": (sp) => {
|
||||
sp >>>= 0;
|
||||
const id = this.mem.getUint32(sp + 8, true);
|
||||
this._goRefCounts[id]--;
|
||||
if (this._goRefCounts[id] === 0) {
|
||||
const v = this._values[id];
|
||||
this._values[id] = null;
|
||||
this._ids.delete(v);
|
||||
this._idPool.push(id);
|
||||
}
|
||||
},
|
||||
|
||||
// func stringVal(value string) ref
|
||||
"syscall/js.stringVal": (sp) => {
|
||||
sp >>>= 0;
|
||||
storeValue(sp + 24, loadString(sp + 8));
|
||||
},
|
||||
|
||||
// func valueGet(v ref, p string) ref
|
||||
"syscall/js.valueGet": (sp) => {
|
||||
sp >>>= 0;
|
||||
const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16));
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 32, result);
|
||||
},
|
||||
|
||||
// func valueSet(v ref, p string, x ref)
|
||||
"syscall/js.valueSet": (sp) => {
|
||||
sp >>>= 0;
|
||||
Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));
|
||||
},
|
||||
|
||||
// func valueDelete(v ref, p string)
|
||||
"syscall/js.valueDelete": (sp) => {
|
||||
sp >>>= 0;
|
||||
Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16));
|
||||
},
|
||||
|
||||
// func valueIndex(v ref, i int) ref
|
||||
"syscall/js.valueIndex": (sp) => {
|
||||
sp >>>= 0;
|
||||
storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16)));
|
||||
},
|
||||
|
||||
// valueSetIndex(v ref, i int, x ref)
|
||||
"syscall/js.valueSetIndex": (sp) => {
|
||||
sp >>>= 0;
|
||||
Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));
|
||||
},
|
||||
|
||||
// func valueCall(v ref, m string, args []ref) (ref, bool)
|
||||
"syscall/js.valueCall": (sp) => {
|
||||
sp >>>= 0;
|
||||
try {
|
||||
const v = loadValue(sp + 8);
|
||||
const m = Reflect.get(v, loadString(sp + 16));
|
||||
const args = loadSliceOfValues(sp + 32);
|
||||
const result = Reflect.apply(m, v, args);
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 56, result);
|
||||
this.mem.setUint8(sp + 64, 1);
|
||||
} catch (err) {
|
||||
storeValue(sp + 56, err);
|
||||
this.mem.setUint8(sp + 64, 0);
|
||||
}
|
||||
},
|
||||
|
||||
// func valueInvoke(v ref, args []ref) (ref, bool)
|
||||
"syscall/js.valueInvoke": (sp) => {
|
||||
sp >>>= 0;
|
||||
try {
|
||||
const v = loadValue(sp + 8);
|
||||
const args = loadSliceOfValues(sp + 16);
|
||||
const result = Reflect.apply(v, undefined, args);
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, result);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
} catch (err) {
|
||||
storeValue(sp + 40, err);
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
}
|
||||
},
|
||||
|
||||
// func valueNew(v ref, args []ref) (ref, bool)
|
||||
"syscall/js.valueNew": (sp) => {
|
||||
sp >>>= 0;
|
||||
try {
|
||||
const v = loadValue(sp + 8);
|
||||
const args = loadSliceOfValues(sp + 16);
|
||||
const result = Reflect.construct(v, args);
|
||||
sp = this._inst.exports.getsp() >>> 0; // see comment above
|
||||
storeValue(sp + 40, result);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
} catch (err) {
|
||||
storeValue(sp + 40, err);
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
}
|
||||
},
|
||||
|
||||
// func valueLength(v ref) int
|
||||
"syscall/js.valueLength": (sp) => {
|
||||
sp >>>= 0;
|
||||
setInt64(sp + 16, parseInt(loadValue(sp + 8).length));
|
||||
},
|
||||
|
||||
// valuePrepareString(v ref) (ref, int)
|
||||
"syscall/js.valuePrepareString": (sp) => {
|
||||
sp >>>= 0;
|
||||
const str = encoder.encode(String(loadValue(sp + 8)));
|
||||
storeValue(sp + 16, str);
|
||||
setInt64(sp + 24, str.length);
|
||||
},
|
||||
|
||||
// valueLoadString(v ref, b []byte)
|
||||
"syscall/js.valueLoadString": (sp) => {
|
||||
sp >>>= 0;
|
||||
const str = loadValue(sp + 8);
|
||||
loadSlice(sp + 16).set(str);
|
||||
},
|
||||
|
||||
// func valueInstanceOf(v ref, t ref) bool
|
||||
"syscall/js.valueInstanceOf": (sp) => {
|
||||
sp >>>= 0;
|
||||
this.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0);
|
||||
},
|
||||
|
||||
// func copyBytesToGo(dst []byte, src ref) (int, bool)
|
||||
"syscall/js.copyBytesToGo": (sp) => {
|
||||
sp >>>= 0;
|
||||
const dst = loadSlice(sp + 8);
|
||||
const src = loadValue(sp + 32);
|
||||
if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) {
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
return;
|
||||
}
|
||||
const toCopy = src.subarray(0, dst.length);
|
||||
dst.set(toCopy);
|
||||
setInt64(sp + 40, toCopy.length);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
},
|
||||
|
||||
// func copyBytesToJS(dst ref, src []byte) (int, bool)
|
||||
"syscall/js.copyBytesToJS": (sp) => {
|
||||
sp >>>= 0;
|
||||
const dst = loadValue(sp + 8);
|
||||
const src = loadSlice(sp + 16);
|
||||
if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {
|
||||
this.mem.setUint8(sp + 48, 0);
|
||||
return;
|
||||
}
|
||||
const toCopy = src.subarray(0, dst.length);
|
||||
dst.set(toCopy);
|
||||
setInt64(sp + 40, toCopy.length);
|
||||
this.mem.setUint8(sp + 48, 1);
|
||||
},
|
||||
|
||||
"debug": (value) => {
|
||||
console.log(value);
|
||||
},
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
async run(instance) {
|
||||
if (!(instance instanceof WebAssembly.Instance)) {
|
||||
throw new Error("Go.run: WebAssembly.Instance expected");
|
||||
}
|
||||
this._inst = instance;
|
||||
this.mem = new DataView(this._inst.exports.mem.buffer);
|
||||
this._values = [ // JS values that Go currently has references to, indexed by reference id
|
||||
NaN,
|
||||
0,
|
||||
null,
|
||||
true,
|
||||
false,
|
||||
global,
|
||||
this,
|
||||
];
|
||||
this._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id
|
||||
this._ids = new Map([ // mapping from JS values to reference ids
|
||||
[0, 1],
|
||||
[null, 2],
|
||||
[true, 3],
|
||||
[false, 4],
|
||||
[global, 5],
|
||||
[this, 6],
|
||||
]);
|
||||
this._idPool = []; // unused ids that have been garbage collected
|
||||
this.exited = false; // whether the Go program has exited
|
||||
|
||||
// Pass command line arguments and environment variables to WebAssembly by writing them to the linear memory.
|
||||
let offset = 4096;
|
||||
|
||||
const strPtr = (str) => {
|
||||
const ptr = offset;
|
||||
const bytes = encoder.encode(str + "\0");
|
||||
new Uint8Array(this.mem.buffer, offset, bytes.length).set(bytes);
|
||||
offset += bytes.length;
|
||||
if (offset % 8 !== 0) {
|
||||
offset += 8 - (offset % 8);
|
||||
}
|
||||
return ptr;
|
||||
};
|
||||
|
||||
const argc = this.argv.length;
|
||||
|
||||
const argvPtrs = [];
|
||||
this.argv.forEach((arg) => {
|
||||
argvPtrs.push(strPtr(arg));
|
||||
});
|
||||
argvPtrs.push(0);
|
||||
|
||||
const keys = Object.keys(this.env).sort();
|
||||
keys.forEach((key) => {
|
||||
argvPtrs.push(strPtr(`${key}=${this.env[key]}`));
|
||||
});
|
||||
argvPtrs.push(0);
|
||||
|
||||
const argv = offset;
|
||||
argvPtrs.forEach((ptr) => {
|
||||
this.mem.setUint32(offset, ptr, true);
|
||||
this.mem.setUint32(offset + 4, 0, true);
|
||||
offset += 8;
|
||||
});
|
||||
|
||||
this._inst.exports.run(argc, argv);
|
||||
if (this.exited) {
|
||||
this._resolveExitPromise();
|
||||
}
|
||||
await this._exitPromise;
|
||||
}
|
||||
|
||||
_resume() {
|
||||
if (this.exited) {
|
||||
throw new Error("Go program has already exited");
|
||||
}
|
||||
this._inst.exports.resume();
|
||||
if (this.exited) {
|
||||
this._resolveExitPromise();
|
||||
}
|
||||
}
|
||||
|
||||
_makeFuncWrapper(id) {
|
||||
const go = this;
|
||||
return function () {
|
||||
const event = {
|
||||
id: id,
|
||||
this: this,
|
||||
args: arguments
|
||||
};
|
||||
go._pendingEvent = event;
|
||||
go._resume();
|
||||
return event.result;
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
if (
|
||||
typeof module !== "undefined" &&
|
||||
global.require &&
|
||||
global.require.main === module &&
|
||||
global.process &&
|
||||
global.process.versions &&
|
||||
!global.process.versions.electron
|
||||
) {
|
||||
if (process.argv.length < 3) {
|
||||
console.error("usage: go_js_wasm_exec [wasm binary] [arguments]");
|
||||
process.exit(1);
|
||||
}
|
||||
|
||||
const go = new Go();
|
||||
go.argv = process.argv.slice(2);
|
||||
go.env = Object.assign({
|
||||
TMPDIR: require("os").tmpdir()
|
||||
}, process.env);
|
||||
go.exit = process.exit;
|
||||
WebAssembly.instantiate(fs.readFileSync(process.argv[2]), go.importObject).then((result) => {
|
||||
process.on("exit", (code) => { // Node.js exits if no event handler is pending
|
||||
if (code === 0 && !go.exited) {
|
||||
// deadlock, make Go print error and stack traces
|
||||
go._pendingEvent = {
|
||||
id: 0
|
||||
};
|
||||
go._resume();
|
||||
}
|
||||
});
|
||||
return go.run(result.instance);
|
||||
}).catch((err) => {
|
||||
console.error(err);
|
||||
process.exit(1);
|
||||
});
|
||||
}
|
||||
})();
|
||||
@ -1,15 +0,0 @@
|
||||
import express from 'express';
|
||||
import workflow from './workflow.js';
|
||||
import fileUpload from 'express-fileupload';
|
||||
|
||||
const router = express.Router();
|
||||
router.use(fileUpload());
|
||||
|
||||
router.get("/", function (req, res, next) {
|
||||
// TODO: Implement root api endpoint
|
||||
res.status(501).json({"Error": "Unfinished Endpoint. This sould probably send some api docs?"});
|
||||
});
|
||||
|
||||
router.use("/workflow", workflow);
|
||||
|
||||
export default router;
|
||||
25
server-node/routes/api/operations.js
Normal file
25
server-node/routes/api/operations.js
Normal file
@ -0,0 +1,25 @@
|
||||
|
||||
import { rotatePages } from '../../src/pdf-operations.js'
|
||||
|
||||
import express from 'express';
|
||||
const router = express.Router();
|
||||
import multer from 'multer'
|
||||
const upload = multer();
|
||||
|
||||
router.post('/rotate-pdf', upload.single("pdfFile"), async function(req, res, next) {
|
||||
console.debug("rotating pdf:", req.file)
|
||||
|
||||
const rotated = await rotatePages(req.file.buffer, 90)
|
||||
|
||||
// add '_rotated' just before the file extension
|
||||
const newFilename = req.file.originalname.replace(/(\.[^.]+)$/, '_rotated$1');
|
||||
|
||||
res.writeHead(200, {
|
||||
'Content-Type': "application/pdf",
|
||||
'Content-disposition': 'attachment;filename=' + newFilename,
|
||||
'Content-Length': rotated.length
|
||||
});
|
||||
res.end(Buffer.from(rotated, 'binary'))
|
||||
});
|
||||
|
||||
export default router;
|
||||
@ -2,8 +2,10 @@ import express from 'express';
|
||||
import crypto from 'crypto';
|
||||
import stream from "stream";
|
||||
import Archiver from 'archiver';
|
||||
import multer from 'multer'
|
||||
const upload = multer();
|
||||
|
||||
import * as Functions from "../../public/pdf-operations.js";
|
||||
import * as Functions from "../../src/pdf-operations.js";
|
||||
import { traverseOperations } from "../../public/traverseOperations.js";
|
||||
|
||||
const activeWorkflows = {};
|
||||
@ -11,6 +13,7 @@ const activeWorkflows = {};
|
||||
const router = express.Router();
|
||||
|
||||
router.post("/:workflowUuid?", [
|
||||
upload.any(),
|
||||
async (req, res) => {
|
||||
if(req.files == null) {
|
||||
res.status(400).json({"error": "No files were uploaded."});
|
||||
|
||||
@ -1,9 +1,6 @@
|
||||
import PDFLib from 'pdf-lib';
|
||||
import * as pdfcpuWraopper from "./wasm/pdfcpu-wrapper-node.js";
|
||||
|
||||
import { editMetadata as dependantEditMetadata } from '@stirling-pdf/shared-operations/functions/editMetadata.js';
|
||||
import { extractPages as dependantExtractPages } from '@stirling-pdf/shared-operations/functions/extractPages.js';
|
||||
import { impose as dependantImpose } from '@stirling-pdf/shared-operations/functions/impose.js';
|
||||
import { mergePDFs as dependantMergePDFs } from '@stirling-pdf/shared-operations/functions/mergePDFs.js';
|
||||
import { organizePages as dependantOrganizePages } from '@stirling-pdf/shared-operations/functions/organizePages.js';
|
||||
import { rotatePages as dependantRotatePages } from '@stirling-pdf/shared-operations/functions/rotatePages.js';
|
||||
@ -12,37 +9,33 @@ import { scalePage as dependantScalePage } from '@stirling-pdf/shared-operations
|
||||
import { splitPDF as dependantSplitPDF } from '@stirling-pdf/shared-operations/functions/splitPDF.js';
|
||||
|
||||
export async function editMetadata(snapshot, metadata) {
|
||||
return dependantEditMetadata(snapshot, metadata, PDFLib);
|
||||
return dependantEditMetadata(snapshot, metadata);
|
||||
}
|
||||
|
||||
export async function extractPages(snapshot, pagesToExtractArray) {
|
||||
return dependantExtractPages(snapshot, pagesToExtractArray, PDFLib);
|
||||
}
|
||||
|
||||
export async function impose(snapshot, nup, format) {
|
||||
return dependantImpose(snapshot, nup, format, pdfcpuWraopper);
|
||||
return dependantExtractPages(snapshot, pagesToExtractArray);
|
||||
}
|
||||
|
||||
export async function mergePDFs(snapshots) {
|
||||
return dependantMergePDFs(snapshots, PDFLib);
|
||||
return dependantMergePDFs(snapshots);
|
||||
}
|
||||
|
||||
export async function organizePages(snapshot, operation, customOrderString) {
|
||||
return dependantOrganizePages(snapshot, operation, customOrderString, PDFLib);
|
||||
return dependantOrganizePages(snapshot, operation, customOrderString);
|
||||
}
|
||||
|
||||
export async function rotatePages(snapshot, rotation) {
|
||||
return dependantRotatePages(snapshot, rotation, PDFLib);
|
||||
return dependantRotatePages(snapshot, rotation);
|
||||
}
|
||||
|
||||
export async function scaleContent(snapshot, scaleFactor) {
|
||||
return dependantScaleContent(snapshot, scaleFactor, PDFLib);
|
||||
return dependantScaleContent(snapshot, scaleFactor);
|
||||
}
|
||||
|
||||
export async function scalePage(snapshot, pageSize) {
|
||||
return dependantScalePage(snapshot, pageSize, PDFLib);
|
||||
return dependantScalePage(snapshot, pageSize);
|
||||
}
|
||||
|
||||
export async function splitPDF(snapshot, splitAfterPageArray) {
|
||||
return dependantSplitPDF(snapshot, splitAfterPageArray, PDFLib);
|
||||
return dependantSplitPDF(snapshot, splitAfterPageArray);
|
||||
}
|
||||
@ -4,7 +4,7 @@ import { organizeWaitOperations } from "./organizeWaitOperations.js";
|
||||
*
|
||||
* @param {*} operations
|
||||
* @param {*} input
|
||||
* @param {import('./pdf-operations.js')} Functions
|
||||
* @param {import('../src/pdf-operations.js')} Functions
|
||||
* @returns
|
||||
*/
|
||||
export async function * traverseOperations(operations, input, Functions) {
|
||||
@ -1,3 +1,6 @@
|
||||
|
||||
import PDFLib from 'pdf-lib';
|
||||
|
||||
/**
|
||||
* @typedef {Object} Metadata
|
||||
* @property {string | null | undefined} Title - The title of the document.
|
||||
@ -14,10 +17,10 @@
|
||||
*
|
||||
* @param {Uint16Array} snapshot
|
||||
* @param {Metadata} metadata - Set property to null or "" to clear, undefined properties will be skipped.
|
||||
* @param {import('pdf-lib')} PDFLib
|
||||
* @param {PDFLib} PDFLib
|
||||
* @returns
|
||||
*/
|
||||
export async function editMetadata(snapshot, metadata, PDFLib) {
|
||||
export async function editMetadata(snapshot, metadata) {
|
||||
// Load the original PDF file
|
||||
const pdfDoc = await PDFLib.PDFDocument.load(snapshot, {
|
||||
parseSpeed: PDFLib.ParseSpeeds.Fastest,
|
||||
|
||||
@ -1,11 +1,14 @@
|
||||
export async function extractPages(snapshot, pagesToExtractArray, PDFLib) {
|
||||
|
||||
import PDFLib from 'pdf-lib';
|
||||
|
||||
export async function extractPages(snapshot, pagesToExtractArray) {
|
||||
const pdfDoc = await PDFLib.PDFDocument.load(snapshot)
|
||||
|
||||
// TODO: invent a better format for pagesToExtractArray and convert it.
|
||||
return createSubDocument(pdfDoc, pagesToExtractArray, PDFLib);
|
||||
return createSubDocument(pdfDoc, pagesToExtractArray);
|
||||
};
|
||||
|
||||
export async function createSubDocument(pdfDoc, pagesToExtractArray, PDFLib) {
|
||||
export async function createSubDocument(pdfDoc, pagesToExtractArray) {
|
||||
const subDocument = await PDFLib.PDFDocument.create();
|
||||
|
||||
// Check that array max number is not larger pdf pages number
|
||||
|
||||
@ -1,12 +0,0 @@
|
||||
export async function impose(snapshot, nup, format, pdfcpuWrapper) {
|
||||
return await pdfcpuWrapper.oneToOne([
|
||||
"pdfcpu.wasm",
|
||||
"nup",
|
||||
"-c",
|
||||
"disable",
|
||||
'f:' + format,
|
||||
"/output.pdf",
|
||||
String(nup),
|
||||
"input.pdf",
|
||||
], snapshot);
|
||||
}
|
||||
@ -1,4 +1,7 @@
|
||||
export const mergePDFs = async (snapshots, PDFLib) => {
|
||||
|
||||
import PDFLib from 'pdf-lib';
|
||||
|
||||
export const mergePDFs = async (snapshots) => {
|
||||
|
||||
const mergedPdf = await PDFLib.PDFDocument.create();
|
||||
|
||||
|
||||
@ -1,3 +1,6 @@
|
||||
|
||||
import PDFLib from 'pdf-lib';
|
||||
|
||||
/**
|
||||
* @typedef {"CUSTOM_PAGE_ORDER"|"REVERSE_ORDER"|"DUPLEX_SORT"|"BOOKLET_SORT"|"ODD_EVEN_SPLIT"|"REMOVE_FIRST"|"REMOVE_LAST"|"REMOVE_FIRST_AND_LAST"} OrderOperation
|
||||
*/
|
||||
@ -10,7 +13,7 @@
|
||||
* @param {import('pdf-lib')} PDFLib
|
||||
* @returns
|
||||
*/
|
||||
export async function organizePages(snapshot, operation, customOrderString, PDFLib) {
|
||||
export async function organizePages(snapshot, operation, customOrderString) {
|
||||
const pdfDoc = await PDFLib.PDFDocument.load(snapshot);
|
||||
let subDocument = await PDFLib.PDFDocument.create();
|
||||
const copiedPages = await subDocument.copyPages(pdfDoc, pdfDoc.getPageIndices());
|
||||
|
||||
@ -1,4 +1,7 @@
|
||||
export async function rotatePages (snapshot, rotation, PDFLib) {
|
||||
|
||||
import PDFLib from 'pdf-lib';
|
||||
|
||||
export async function rotatePages (snapshot, rotation) {
|
||||
// Load the original PDF file
|
||||
const pdfDoc = await PDFLib.PDFDocument.load(snapshot, {
|
||||
parseSpeed: PDFLib.ParseSpeeds.Fastest,
|
||||
|
||||
@ -1,4 +1,7 @@
|
||||
export async function scaleContent(snapshot, scaleFactor, PDFLib) {
|
||||
|
||||
import PDFLib from 'pdf-lib';
|
||||
|
||||
export async function scaleContent(snapshot, scaleFactor) {
|
||||
// Load the original PDF file
|
||||
const pdfDoc = await PDFLib.PDFDocument.load(snapshot, {
|
||||
parseSpeed: PDFLib.ParseSpeeds.Fastest,
|
||||
|
||||
@ -1,4 +1,7 @@
|
||||
export async function scalePage(snapshot, pageSize, PDFLib) {
|
||||
|
||||
import PDFLib from 'pdf-lib';
|
||||
|
||||
export async function scalePage(snapshot, pageSize) {
|
||||
// Load the original PDF file
|
||||
const pdfDoc = await PDFLib.PDFDocument.load(snapshot, {
|
||||
parseSpeed: PDFLib.ParseSpeeds.Fastest,
|
||||
|
||||
@ -1,6 +1,9 @@
|
||||
|
||||
import PDFLib from 'pdf-lib';
|
||||
|
||||
import { createSubDocument } from "./extractPages.js";
|
||||
|
||||
export async function splitPDF(snapshot, splitAfterPageArray, PDFLib) {
|
||||
export async function splitPDF(snapshot, splitAfterPageArray) {
|
||||
const pdfDoc = await PDFLib.PDFDocument.load(snapshot)
|
||||
|
||||
const numberOfPages = pdfDoc.getPages().length;
|
||||
@ -11,13 +14,13 @@ export async function splitPDF(snapshot, splitAfterPageArray, PDFLib) {
|
||||
|
||||
for (let i = 0; i < numberOfPages; i++) {
|
||||
if(i > splitAfter && pagesArray.length > 0) {
|
||||
subDocuments.push(await createSubDocument(pdfDoc, pagesArray, PDFLib));
|
||||
subDocuments.push(await createSubDocument(pdfDoc, pagesArray));
|
||||
splitAfter = splitAfterPageArray.shift();
|
||||
pagesArray = [];
|
||||
}
|
||||
pagesArray.push(i);
|
||||
}
|
||||
subDocuments.push(await createSubDocument(pdfDoc, pagesArray, PDFLib));
|
||||
subDocuments.push(await createSubDocument(pdfDoc, pagesArray));
|
||||
pagesArray = [];
|
||||
|
||||
return subDocuments;
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user