From ddb5316a6568b433dd3d713a8d3ddfad35bb11f4 Mon Sep 17 00:00:00 2001
From: James Taracevicz <james.taracevicz@system1.com>
Date: Mon, 30 Aug 2021 19:32:12 -0700
Subject: [PATCH 1/5] feat(bin): added js that parses cli or stdin for file and
 cli for expression then runs the expression on the parsed object

---
 bin/index.js | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100755 bin/index.js

diff --git a/bin/index.js b/bin/index.js
new file mode 100755
index 00000000..5406fbfc
--- /dev/null
+++ b/bin/index.js
@@ -0,0 +1,52 @@
+#!/usr/bin/env node
+
+const path = require('path');
+const fs = require('fs');
+
+const jsonata = require('../src/jsonata');
+
+/**
+ * cli usage:
+ *   jsonata <json-file> <expression>
+ *   cat my-file.json | jsonata <expression>
+ * @returns {{expression: string, object: {}}}
+ */
+function parseArgs() {
+    const args = process.argv.slice(2);
+
+    if (args.length === 2) { // file and expression given
+        const [jsonFile, expression] = args;
+
+        let object;
+        try {
+            object = require(path.resolve(jsonFile));
+        } catch (error) {
+            // eslint-disable-next-line no-console
+            console.error(`failed to load json file ${jsonFile}`, error);
+            process.exit(1);
+        }
+
+        return { object, expression };
+    } else if (args.length === 1) { // expression given, read file contents from stdin
+        const fileData = fs.readFileSync(0).toString();
+
+        let object;
+        try {
+            object = JSON.parse(fileData);
+        } catch (error) {
+            // eslint-disable-next-line no-console
+            console.error(`failed to load json string from stdin`, error);
+            process.exit(2);
+        }
+
+        return { object, expression: args[0] };
+    } else {
+        // eslint-disable-next-line no-console
+        console.error('invalid number of arguments', process.argv);
+        process.exit(3);
+    }
+}
+
+const { expression, object } = parseArgs();
+// eslint-disable-next-line no-console
+console.log(jsonata(expression).evaluate(object));

From a9f14065c63e48156ceea58143a6096208711b59 Mon Sep 17 00:00:00 2001
From: James Taracevicz <james.taracevicz@system1.com>
Date: Mon, 30 Aug 2021 19:34:28 -0700
Subject: [PATCH 2/5] build: added `jsonata` cli command that runs bin/index.js

---
 package.json | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/package.json b/package.json
index c72ab13f..2a8e05fa 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,9 @@
     "type": "git",
     "url": "https://github.com/jsonata-js/jsonata.git"
   },
+  "bin": {
+    "jsonata": "bin/"
+  },
   "scripts": {
     "pretest": "npm run lint",
     "mocha": "node ./node_modules/istanbul/lib/cli.js cover --report cobertura --report html ./node_modules/mocha/bin/_mocha -- \"test/**/*.js\"",

From d68a906d5542a75a916d3bd559409ed10a5bc4f3 Mon Sep 17 00:00:00 2001
From: James Taracevicz <james.taracevicz@system1.com>
Date: Mon, 30 Aug 2021 19:53:01 -0700
Subject: [PATCH 3/5] build: fixed `jsonata` cli path (needs to point directly
 to the js file as this becomes what some sym linked files link to)

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 2a8e05fa..5a39d7c1 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "url": "https://github.com/jsonata-js/jsonata.git"
   },
   "bin": {
-    "jsonata": "bin/"
+    "jsonata": "bin/index.js"
   },
   "scripts": {
     "pretest": "npm run lint",

From e1927146a84733b6c7da587c4bad8b5cc0bf896e Mon Sep 17 00:00:00 2001
From: James Taracevicz <james.taracevicz@system1.com>
Date: Mon, 30 Aug 2021 19:53:22 -0700
Subject: [PATCH 4/5] build: ignored bin/ folder for jsdoc build config

---
 jsdoc.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jsdoc.json b/jsdoc.json
index 748152de..9a2d220e 100644
--- a/jsdoc.json
+++ b/jsdoc.json
@@ -5,7 +5,7 @@
   },
   "source": {
     "includePattern": ".+\\.js(doc)?$",
-    "excludePattern": "(^|\\/|\\\\)_|node_modules|doc|coverage"
+    "excludePattern": "(^|\\/|\\\\)_|node_modules|doc|coverage|bin"
   },
   "plugins": [],
   "templates": {

From 19361507d57e9310d42b1e4203caae59dc972755 Mon Sep 17 00:00:00 2001
From: James Taracevicz <james.taracevicz@system1.com>
Date: Mon, 30 Aug 2021 19:56:29 -0700
Subject: [PATCH 5/5] fix: stringify & format result from the eval on the
 expression so we can unpack inner objects

---
 bin/index.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bin/index.js b/bin/index.js
index 5406fbfc..f62e9c02 100755
--- a/bin/index.js
+++ b/bin/index.js
@@ -48,5 +48,6 @@ function parseArgs() {
 }
 
 const { expression, object } = parseArgs();
+const result = jsonata(expression).evaluate(object);
 // eslint-disable-next-line no-console
-console.log(jsonata(expression).evaluate(object));
+console.log(JSON.stringify(result, null, 2));