ported the catj example

Author: cometkim

.gitignore

@@ -1,8 +1,9 @@
 .DS_Store
-*.log
 .merlin
-
+.bsb.lock
+*.log
 *.bs.js
+
 lib/
 
 node_modules/

examples/Cat.res

@@ -1,4 +1,4 @@
-Js.log("example: https://deno.land/std/examples/cat.ts")
+// see https://deno.land/std/examples/cat.ts
 
 module Deno = RescriptDeno
 

examples/Catj.res

@@ -0,0 +1,98 @@
+// see https://deno.land/std/examples/catj.ts
+
+open RescriptDeno.Std
+
+@scope("import.meta") @val
+external main: bool = "main"
+
+module TextDecoder = {
+  type t
+
+  @new external make: unit => t = "TextDecoder"
+
+  @send external decode: (t, Js.TypedArray2.Uint8Array.t) => string = "decode"
+}
+
+// Ported from: https://github.com/soheilpro/catj
+// Copyright (c) 2014 Soheil Rashidi
+// Copyright 2018-2021 the Deno authors. All rights reserved. MIT license.
+
+// Install using `deno install`
+// $ deno install --allow-read https://deno.land/std/examples/catj.ts
+
+let decoder = TextDecoder.make()
+
+// FIXME: https://github.com/rescript-lang/rescript-compiler/issues/5349
+let validIdentifier: string => bool = %raw(`value => {
+  let pattern = /^(?!(?:do|if|in|for|let|new|try|var|case|else|enum|eval|null|this|true|void|with|break|catch|class|const|false|super|throw|while|yield|delete|export|import|public|return|static|switch|typeof|default|extends|finally|package|private|continue|debugger|function|arguments|interface|protected|implements|instanceof)$)[\x24A-Z\x5Fa-z\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0\u08A2-\u08AC\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097F\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C33\u0C35-\u0C39\u0C3D\u0C58\u0C59\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D60\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F4\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F0\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191C\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19C1-\u19C7\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2119-\u211D\u2124\u2126\u2128\u212A-\u212D\u212F-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2E2F\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309D-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FCC\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA697\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA78E\uA790-\uA793\uA7A0-\uA7AA\uA7F8-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA80-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uABC0-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC][\x240-9A-Z\x5Fa-z\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u0527\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\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+  return pattern.test(value);
+}`)
+
+let rec print = (value, path) => {
+  open Fmt
+  open Js.Json
+
+  let printValue = (value, path) => {
+    Js.log(`${path} = ${value}`)
+  }
+
+  switch classify(value) {
+  | JSONNull => "null"->printValue(path)
+  | JSONTrue => "true"->Color.yellow->printValue(path)
+  | JSONFalse => "false"->Color.yellow->printValue(path)
+  | JSONString(value) => `"${value}"`->Color.green->printValue(path)
+  | JSONNumber(value) => value->Belt.Float.toString->printValue(path)
+  | JSONObject(value) =>
+    value
+    ->Js.Dict.entries
+    ->Belt.Array.forEach(((key, value)) => {
+      let nodePath = path ++ Color.cyan(".") ++ key
+      let nodePath = if validIdentifier(key) {
+        nodePath
+      } else {
+        (path != "" ? path : Color.cyan(".")) ++ `["${key}"]`
+      }
+      print(value, nodePath)
+    })
+  | JSONArray(value) =>
+    value
+    ->Belt.Array.forEachWithIndex((i, value) => {
+      let i = i->Belt.Int.toString
+      let nodePath = (path != "" ? path : Color.cyan(".")) ++ `["${Color.cyan(i)}"]`
+      print(value, nodePath)
+    })
+  }
+}
+
+if main {
+  module Deno = RescriptDeno
+
+  let parsedArgs = Flags.parse(Deno.args, ())
+
+  if parsedArgs["h"] || parsedArgs["help"] || parsedArgs["_"]["length"] == 0 {
+    Js.log("Usage: catj [-h|--help] [file...]\n")
+    Js.log("Examples:\n")
+    Js.log("// print file:\n   catj file.json\n")
+    Js.log("// print multiple files:\n   catj file1.json file2.json\n")
+    Js.log("// print from stdin:\n   cat file.json | catj -")
+  }
+
+  if parsedArgs["_"][0] == "-" {
+    module(
+      {
+        let read = Deno.stdin->Deno.Stdin.read
+      }
+    )
+    ->Stream.readAll
+    ->Promise.thenResolve(decoder->TextDecoder.decode)
+    ->Promise.thenResolve(Js.Json.parseExn)
+    ->Promise.thenResolve(print(_, ""))
+  } else {
+    parsedArgs["_"]->Belt.Array.reduce(Promise.resolve(), (promise, filename) => {
+      promise
+      ->Promise.then(_ => Deno.readTextFile(filename, ()))
+      ->Promise.thenResolve(Js.Json.parseExn)
+      ->Promise.thenResolve(print(_, ""))
+    })
+  }->ignore
+}

package.json

@@ -3,6 +3,10 @@
   "version": "0.0.1",
   "main": "index.js",
   "license": "MIT",
+  "scripts": {
+    "build": "rescript build",
+    "example": "deno run -A --import-map=import_map.json"
+  },
   "dependencies": {
     "@rescript/std": "^9.1.3",
     "@ryyppy/rescript-promise": "^2.1.0",

src/RescriptDeno.res

@@ -240,6 +240,20 @@ type memoryUsage = {
 // https://doc.deno.land/builtin/stable#Deno.memoryUsage
 @scope("Deno") @val external memoryUsage: unit => memoryUsage = "memoryUsage"
 
+// https://doc.deno.land/deno/stable/~/Deno.readFile
+@scope("Deno") @val external readFile: (string, unit) => Promise.t<Js.TypedArray2.Uint8Array.t> = "readFile"
+
+// https://doc.deno.land/deno/stable/~/Deno.readFileSync
+@scope("Deno") @val external readFileSync: string => Js.TypedArray2.Uint8Array.t = "readFileSync"
+
+// https://doc.deno.land/deno/stable/~/Deno.readTextFile
+@scope("Deno") @val external readTextFile: (string, unit) => Promise.t<string> = "readTextFile"
+
+// https://doc.deno.land/deno/stable/~/Deno.readTextFileSync
+@scope("Deno") @val external readTextFileSync: string => string = "readTextFileSync"
+
+
+
 module IO = RescriptDeno_IO
 
 module Stdout = {

src/RescriptDeno_Std.res

@@ -1,2 +1,3 @@
+module Flags = RescriptDeno_Std_Flags
 module Fmt = RescriptDeno_Std_Fmt
 module Stream = RescriptDeno_Std_Stream

src/RescriptDeno_Std_Flags.res

@@ -0,0 +1,23 @@
+type argParsingOptions
+
+@obj
+external makeArgParsingOptions: (
+  ~\"--": option<bool>=?,
+  ~alias: option<{..}>=?,
+  ~boolean: option<{..}>=?,
+  ~default: option<{..}>=?,
+  ~stopEarly: option<bool>=?,
+  ~string: option<array<string>>=?,
+  unit,
+) => argParsingOptions = ""
+
+%%private(
+  @module("https://deno.land/std/flags/mod.ts")
+  external _parse: (array<string>, argParsingOptions) => {..} = "parse"
+)
+
+let parse = (args, ~\"--"=?, ~alias=?, ~boolean=?, ~default=?, ~stopEarly=?, ~string=?, ()) =>
+  makeArgParsingOptions(~\"--", ~alias, ~boolean, ~default, ~stopEarly, ~string, ())->_parse(
+    args,
+    _,
+  )

src/RescriptDeno_Test.res

@@ -0,0 +1 @@
+