Translate examples to TypeScript

Author: keichi

example/bmp.js renamed to example/bmp.ts

@@ -1,4 +1,5 @@
-const Parser = require("../dist/binary_parser").Parser;
+import { Parser } from "../lib/binary_parser";
+import { readFile } from "fs";
 
 // C structure BITMAPFILEHEADER
 // typedef struct tagBITMAPFILEHEADER {
@@ -55,6 +56,6 @@ const bmpFile = new Parser()
     type: bmpInfoHeader,
   });
 
-require("fs").readFile("test.bmp", function (err, data) {
+readFile("test.bmp", (_, data) => {
   console.log(bmpFile.parse(data));
 });

example/classfile.js renamed to example/classfile.ts

@@ -1,4 +1,6 @@
-const Parser = require("../dist/binary_parser").Parser;
+import { Parser } from "../lib/binary_parser";
+import { readFile } from "fs";
+import { inspect } from "util";
 
 const ConstantClassInfo = Parser.start().uint16be("name_index");
 
@@ -36,6 +38,7 @@ const ConstantUtf8Info = Parser.start()
   .uint16be("len")
   .string("bytes", { length: "len" });
 
+// @ts-ignore
 const ConstantMethodHandleInfo = Parser.start()
   .uint8("reference_kind")
   .uint16be("reference_index");
@@ -75,11 +78,11 @@ const ClassFile = Parser.start()
   .uint16("constant_pool_count")
   .array("cp_info", {
     type: CpInfo,
-    length: function () {
+    length: function (this: any) {
       return this.constant_pool_count - 1;
     },
   });
 
-require("fs").readFile("Hello.class", function (err, data) {
-  console.log(require("util").inspect(ClassFile.parse(data), { depth: null }));
+readFile("Hello.class", function (_, data) {
+  console.log(inspect(ClassFile.parse(data), { depth: null, colors: true }));
 });

example/elf32.js renamed to example/elf32.ts

@@ -1,4 +1,6 @@
-const Parser = require("../dist/binary_parser").Parser;
+import { Parser } from "../lib/binary_parser";
+import { readFile } from "fs";
+import { inspect } from "util";
 
 const ELF32ProgramHeader = new Parser()
   .endianess("little")
@@ -78,7 +80,7 @@ const ELF32Header = new Parser()
     },
   });
 
-require("fs").readFile("hello", function (err, data) {
+readFile("hello", function (_, data) {
   const result = ELF32Header.parse(data);
-  console.log(require("util").inspect(result, { depth: null }));
+  console.log(inspect(result, { depth: null, colors: true }));
 });

example/ip.js renamed to example/ip.ts

@@ -1,4 +1,4 @@
-const Parser = require("../dist/binary_parser").Parser;
+import { Parser } from "../lib/binary_parser";
 
 const ipHeader = new Parser()
   .endianess("big")

example/jpg.js renamed to example/jpg.ts

@@ -1,4 +1,6 @@
-const Parser = require("../dist/binary_parser").Parser;
+import { Parser } from "../lib/binary_parser";
+import { readFile } from "fs";
+import { inspect } from "util";
 
 const SOI = Parser.start();
 
@@ -20,17 +22,18 @@ const APP0 = Parser.start()
   .uint8("thumbHeight")
   .array("thumbData", {
     type: "uint8",
-    length: function () {
+    length: function (this: any) {
       return this.Xt * this.Yt * 3;
     },
   });
 
+// @ts-ignore
 const COM = Parser.start()
   .endianess("big")
   .uint16("length")
   .string("comment", {
     encoding: "ascii",
-    length: function () {
+    length: function (this: any) {
       return this.length - 2;
     },
   });
@@ -55,7 +58,7 @@ const DQT = Parser.start()
       type: "uint8",
       length: 64,
     }),
-    length: function () {
+    length: function (this: any) {
       return (this.length - 2) / 65;
     },
   });
@@ -78,7 +81,7 @@ const SOF0 = Parser.start()
 const Ignore = Parser.start()
   .endianess("big")
   .uint16("length")
-  .seek(function () {
+  .seek(function (this: any) {
     return this.length - 2;
   });
 
@@ -103,6 +106,6 @@ const JPEG = Parser.start().array("segments", {
   readUntil: "eof",
 });
 
-require("fs").readFile("test.jpg", function (err, data) {
-  console.log(require("util").inspect(JPEG.parse(data), { depth: null }));
+readFile("test.jpg", function (_, data) {
+  console.log(inspect(JPEG.parse(data), { depth: null, colors: true }));
 });

example/mbr.js renamed to example/mbr.ts

@@ -1,12 +1,8 @@
-const Parser = require("../dist/binary_parser").Parser;
-const fs = require("fs");
+import { Parser } from "../lib/binary_parser";
+import { readFile } from "fs";
+import { inspect } from "util";
 
-const chs = new Parser({
-  formatter: function (val) {
-    val.cylinder |= val.cylinderHigh << 8;
-    return val;
-  },
-})
+const chs = new Parser()
   .uint8("head")
   .bit2("cylinderHigh")
   .bit6("sector")
@@ -25,6 +21,7 @@ const partitionTable = new Parser()
   .nest("endCHS", {
     type: chs,
     formatter: function (val) {
+      val.cylinder |= val.cylinderHigh << 8;
       delete val.cylinderHigh;
       return val;
     },
@@ -42,6 +39,6 @@ const mbrParser = new Parser()
     assert: 0x55aa,
   });
 
-fs.readFile("raspbian.img", function (err, data) {
-  console.dir(mbrParser.parse(data), { depth: null, colors: true });
+readFile("raspbian.img", function (_, data) {
+  console.log(inspect(mbrParser.parse(data), { depth: null, colors: true }));
 });

example/tar.js renamed to example/tar.ts

@@ -1,9 +1,9 @@
-const Parser = require("../dist/binary_parser").Parser;
-const fs = require("fs");
+import { Parser } from "../lib/binary_parser";
+import { readFile } from "fs";
 
-const oct2int = function (s) {
+function oct2int(s: string): number {
   return parseInt(s, 8);
-};
+}
 
 const tarHeader = new Parser()
   .string("name", { length: 100, stripNull: true })
@@ -28,7 +28,7 @@ const tarItem = new Parser()
   .nest({
     type: tarHeader,
   })
-  .seek(function () {
+  .seek(function (this: any) {
     return Math.ceil(this.size / 512) * 512;
   });
 
@@ -37,6 +37,8 @@ const tarArchive = new Parser().array("files", {
   readUntil: "eof",
 });
 
-fs.readFile("test.tar", function (err, data) {
+console.log(tarArchive.getCode());
+
+readFile("test.tar", function (_, data) {
   console.dir(tarArchive.parse(data), { depth: null, colors: true });
 });

example/tcp.js renamed to example/tcp.ts

@@ -1,4 +1,4 @@
-const Parser = require("../dist/binary_parser").Parser;
+import { Parser } from "../lib/binary_parser";
 
 const tcpHeader = new Parser()
   .endianess("big")