fix(hdiff): migrate CLI to TS, update wrapper

packages/hdiff/bin/hdiff

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+# https://stackoverflow.com/a/246128/294515
+SOURCE="${BASH_SOURCE[0]}"
+while [ -h "$SOURCE" ]; do
+  DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
+  SOURCE="$(readlink "$SOURCE")"
+  [[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE"
+done
+DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
+
+/usr/bin/env node "$DIR/../cli.js" "$@"

packages/hdiff/package.json

@@ -6,7 +6,7 @@
     "module": "./index.js",
     "typings": "./index.d.ts",
     "bin": {
-        "hdiff": "bin/cli.js"
+        "hdiff": "bin/hdiff"
     },
     "sideEffects": false,
     "repository": {

packages/hdiff/bin/cli.js → packages/hdiff/src/cli.ts

@@ -1,8 +1,8 @@
-#!/usr/bin/env node
-
-const fs = require("fs");
-const cproc = require("child_process");
-const hdiff = require("@thi.ng/hdiff");
+// thing:no-export
+import { readFileSync } from "fs";
+import { execSync } from "child_process";
+import { computeDiff } from "./diff.js";
+import { generateHtml } from "./html.js";
 
 let src1;
 let src2;
@@ -11,17 +11,17 @@ let headerBody;
 const args = process.argv.slice(2);
 if (args.length === 3) {
     const [path, rev1, rev2] = args;
-    src1 = cproc.execSync(`git show ${rev1}:${path}`).toString();
-    src2 = cproc.execSync(`git show ${rev2}:${path}`).toString();
+    src1 = execSync(`git show ${rev1}:${path}`).toString();
+    src2 = execSync(`git show ${rev2}:${path}`).toString();
     headerBody = ["header", ["h1", path], ["code", `${rev1} ⇌ ${rev2}`]];
 } else if (args.length === 2) {
     const [rev1, rev2] = args;
-    src1 = fs.readFileSync(rev1).toString();
-    src2 = fs.readFileSync(rev2).toString();
+    src1 = readFileSync(rev1).toString();
+    src2 = readFileSync(rev2).toString();
     headerBody = ["header", ["h1", "File diff"], ["code", `${rev1} ⇌ ${rev2}`]];
 } else {
     console.log("Usage:\n\thdiff file1 file2\n\thdiff relpath gitrev1 gitrev2");
     process.exit(1);
 }
 
-console.log(hdiff.generateHtml(hdiff.computeDiff(src1, src2), headerBody));
+console.log(generateHtml(computeDiff(src1, src2), headerBody));