mirror of https://github.com/webpack/webpack.git
74 lines
2.1 KiB
JavaScript
74 lines
2.1 KiB
JavaScript
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const path = require("path");
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const BinaryMiddleware = require("../lib/serialization/BinaryMiddleware");
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const FileMiddleware = require("../lib/serialization/FileMiddleware");
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const Serializer = require("../lib/serialization/Serializer");
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const serializer = new Serializer([
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new BinaryMiddleware(),
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new FileMiddleware()
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]);
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const ESCAPE = null;
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const ESCAPE_ESCAPE_VALUE = 1;
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const ESCAPE_END_OBJECT = 2;
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const ESCAPE_UNDEFINED = 3;
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const printData = async (data, indent) => {
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if (!Array.isArray(data)) throw new Error("Not an array");
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if (Buffer.isBuffer(data[0])) {
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for (const b of data) {
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if (typeof b === "function") {
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const innerData = await b();
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console.log(`${indent}= lazy {`);
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await printData(innerData, indent + " ");
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console.log(`${indent}}`);
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} else {
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console.log(`${indent}= ${b.toString("hex")}`);
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}
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}
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return;
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}
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let i = 0;
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const read = () => {
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return data[i++];
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};
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console.log(`${indent}Version: ${read()}`);
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while (i < data.length) {
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const item = read();
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if (item === ESCAPE) {
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const nextItem = read();
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if (nextItem === ESCAPE_ESCAPE_VALUE) {
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console.log(`${indent}- null`);
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} else if (nextItem === ESCAPE_UNDEFINED) {
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console.log(`${indent}- undefined`);
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} else if (nextItem === ESCAPE_END_OBJECT) {
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indent = indent.slice(0, indent.length - 2);
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console.log(`${indent}}`);
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} else if (typeof nextItem === "number") {
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console.log(`${indent}- Reference ${nextItem}`);
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} else {
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let name = read();
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console.log(`${indent}- Object (${name}) {`);
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indent += " ";
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}
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} else if (typeof item === "string") {
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console.log(`${indent}- string ${JSON.stringify(item)}`);
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} else if (Buffer.isBuffer(item)) {
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console.log(`${indent}- buffer ${item.toString("hex")}`);
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} else if (typeof item === "function") {
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const innerData = await item();
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console.log(`${indent}- lazy {`);
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await printData(innerData, indent + " ");
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console.log(`${indent}}`);
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}
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}
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};
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const filename = process.argv[2];
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console.log(`Printing content of ${filename}`);
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serializer
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.deserializeFromFile(path.resolve(filename))
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.then(data => printData(data, ""));
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