Improve CLI

- Make it work again
- Add ability to set mode
- Add help menu with available modes

bin/smartypants.cjs

@@ -0,0 +1,39 @@
+#! /usr/bin/env node
+
+const binary = "smartypants";
+const mode = process.argv[2] || "1";
+
+if (mode == "-h" || mode == "--help") {
+  process.stdout.write(`Usage: ${binary} [mode]
+
+Available modes:
+
+  0     Suppress all transformations. (Do nothing.)
+  1     Performs default SmartyPants transformations: quotes (including backticks-style), em-dashes, and ellipses. -- (dash dash) is used to signify an em-dash; there is no support for en-dashes.
+  2     Same as 1, except that it uses the old-school typewriter shorthand for dashes: -- (dash dash) for en-dashes, --- (dash dash dash) for em-dashes.
+  3     Same 2, but inverts the shorthand for dashes: -- (dash dash) for em-dashes, and --- (dash dash dash) for en-dashes.
+  -1    Stupefy mode. Reverses the SmartyPants transformation process, turning the HTML entities produced by SmartyPants into their ASCII equivalents. E.g. “ is turned into a simple double-quote ("), — is turned into two dashes, etc. This is useful if you are using SmartyPants from Brad Choate's MT-Textile text filter, but wish to suppress smart punctuation in specific MT templates, such as RSS feeds. Text filters do their work before templates are processed; but you can use smarty_pants="-1" to reverse the transformations in specific templates.
+  `);
+  process.exit(0);
+}
+
+if (process.stdin.isTTY) {
+  console.error("No input!");
+  process.exit(1);
+}
+
+let smartypants = require("../smartypants.cjs").smartypants;
+let text = "";
+
+process.stdin.setEncoding("utf8");
+
+process.stdin.on("readable", () => {
+  let chunk = process.stdin.read();
+  if (chunk !== null) {
+    text = text + chunk;
+  }
+});
+
+process.stdin.on("end", () => {
+  process.stdout.write(smartypants(text, mode));
+});

bin/smartypantsu.cjs

@@ -0,0 +1,39 @@
+#! /usr/bin/env node
+
+const binary = "smartypantsu";
+const mode = process.argv[2] || "1";
+
+if (mode == "-h" || mode == "--help") {
+  process.stdout.write(`Usage: ${binary} [mode]
+
+Available modes:
+
+  0     Suppress all transformations. (Do nothing.)
+  1     Performs default SmartyPants transformations: quotes (including backticks-style), em-dashes, and ellipses. -- (dash dash) is used to signify an em-dash; there is no support for en-dashes.
+  2     Same as 1, except that it uses the old-school typewriter shorthand for dashes: -- (dash dash) for en-dashes, --- (dash dash dash) for em-dashes.
+  3     Same 2, but inverts the shorthand for dashes: -- (dash dash) for em-dashes, and --- (dash dash dash) for en-dashes.
+  -1    Stupefy mode. Reverses the SmartyPants transformation process, turning the HTML entities produced by SmartyPants into their ASCII equivalents. E.g. “ is turned into a simple double-quote ("), — is turned into two dashes, etc. This is useful if you are using SmartyPants from Brad Choate's MT-Textile text filter, but wish to suppress smart punctuation in specific MT templates, such as RSS feeds. Text filters do their work before templates are processed; but you can use smarty_pants="-1" to reverse the transformations in specific templates.
+  `);
+  process.exit(0);
+}
+
+if (process.stdin.isTTY) {
+  console.error("No input!");
+  process.exit(1);
+}
+
+let smartypants = require("../smartypants.cjs").smartypantsu;
+let text = "";
+
+process.stdin.setEncoding("utf8");
+
+process.stdin.on("readable", () => {
+  let chunk = process.stdin.read();
+  if (chunk !== null) {
+    text = text + chunk;
+  }
+});
+
+process.stdin.on("end", () => {
+  process.stdout.write(smartypants(text, mode));
+});

package.json

@@ -40,8 +40,8 @@
     "bin/smartypantsu.js"
   ],
   "bin": {
-    "smartypants": "./bin/smartypants.js",
-    "smartypantsu": "./bin/smartypantsu.js"
+    "smartypants": "./bin/smartypants.cjs",
+    "smartypantsu": "./bin/smartypantsu.cjs"
   },
   "devDependencies": {
     "babel-eslint": "^9.0.0",
@@ -55,4 +55,4 @@
     "typescript": "^3.0.3",
     "uglify-js": "3.9.4"
   }
-}
+}