support command line flags for words, names and tags

and sentences

cli.js

@@ -1,7 +1,62 @@
 #!/usr/bin/env node
-
+const parseArgs = require('minimist')
 const jishon = require('./index.js')
 
-jishon(process.argv.slice(2).join(' '))
+const WORDS = 'words'
+const SENTENCES = 'sentences'
+const NAMES = 'names'
+const TAGS = 'tags'
+
+const argv = parseArgs(process.argv.slice(2), {
+  alias: {
+    w: WORDS,
+    s: SENTENCES,
+    n: NAMES,
+    t: TAGS
+  }
+})
+
+const tagFilter = tags => word =>
+  tags.some(tag => word.tags.includes(tag.toLowerCase()))
+
+const filterForTags = tags => response =>
+  tags
+    ? Object.assign({}, response, {
+      x: console.log(tags),
+      words: response.words.filter(tagFilter(tags))
+    })
+    : response
+
+const selectSections = options => response => {
+  const sections = [WORDS, SENTENCES, NAMES]
+  const requestedSections = sections
+    .map(section => options[section] && section)
+    .filter(Boolean)
+
+  const sectionRequested = !!requestedSections.length
+
+  if (!sectionRequested) {
+    return response
+  }
+
+  if (requestedSections.length === 1) {
+    return response[requestedSections]
+  }
+
+  return requestedSections.reduce((results, section) => {
+    results[section] = response[section]
+    return results
+  }, {})
+}
+
+const term = argv._.join(' ')
+
+const tags = Array.isArray(argv.tags)
+  ? argv.tags
+  : argv.tags && [argv.tags]
+
+jishon(term)
+  .then(filterForTags(tags))
+  .then(selectSections(argv))
   .then(JSON.stringify)
   .then(console.log)

package.json

@@ -27,6 +27,7 @@
   },
   "bin": "cli.js",
   "dependencies": {
+    "minimist": "^1.2.0",
     "scrape-it": "^3.3.3"
   }
 }