From a37e469ba55df858d7be2e702855b82d1027951c Mon Sep 17 00:00:00 2001
From: meriadec <meriadec.pillet@gmail.com>
Date: Mon, 16 Jul 2018 11:23:06 +0200
Subject: [PATCH] Add script to detect unused wordings

---
 scripts/detect-unused-wordings.js | 104 ++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 scripts/detect-unused-wordings.js

diff --git a/scripts/detect-unused-wordings.js b/scripts/detect-unused-wordings.js
new file mode 100644
index 00000000..0e8e4d0b
--- /dev/null
+++ b/scripts/detect-unused-wordings.js
@@ -0,0 +1,104 @@
+/* eslint-disable no-console */
+
+const { spawn } = require('child_process')
+
+// those wordings are dynamically created, so they are detected
+// as false positive
+const WHITELIST = [
+  'app:operation.type.IN',
+  'app:operation.type.OUT',
+  'app:exchange.coinhouse',
+  'app:exchange.changelly',
+  'app:exchange.coinmama',
+  'app:exchange.simplex',
+  'app:exchange.paybis',
+  'app:addAccounts.accountToImportSubtitle_plural',
+  'app:dashboard.summary_plural',
+  'app:addAccounts.success_plural',
+  'app:addAccounts.successDescription_plural',
+  'app:time.since.day',
+  'app:time.since.week',
+  'app:time.since.month',
+  'app:time.since.year',
+  'app:time.day',
+  'app:time.week',
+  'app:time.month',
+  'app:time.year',
+  'app:addAccounts.cta.add_plural',
+  'app:manager.apps.installing',
+  'app:manager.apps.uninstalling',
+  'app:manager.apps.installSuccess',
+  'app:manager.apps.uninstallSuccess',
+]
+
+const WORDINGS = {
+  app: require('../static/i18n/en/app.json'),
+  onboarding: require('../static/i18n/en/onboarding.json'),
+  // errors: require('../static/i18n/en/errors.json'),
+  // language: require('../static/i18n/en/language.json'),
+}
+
+async function main() {
+  for (const ns in WORDINGS) {
+    if (WORDINGS.hasOwnProperty(ns)) {
+      try {
+        await cleanNamespace(ns)
+      } catch (err) {
+        console.log(err)
+      }
+    }
+  }
+}
+
+async function cleanNamespace(ns) {
+  const root = WORDINGS[ns]
+  await checkForUsage(root, ns, ':')
+}
+
+async function checkForUsage(v, key, delimiter = '.') {
+  if (WHITELIST.includes(key)) {
+    return
+  }
+  if (typeof v === 'object') {
+    for (const k in v) {
+      if (v.hasOwnProperty(k)) {
+        await checkForUsage(v[k], `${key}${delimiter}${k}`)
+      }
+    }
+  } else if (typeof v === 'string') {
+    try {
+      const hasOccurences = await getHasOccurrences(key)
+      if (!hasOccurences) {
+        console.log(key)
+      }
+    } catch (err) {
+      console.log(err)
+    }
+  } else {
+    throw new Error('invalid input')
+  }
+}
+
+function getHasOccurrences(key) {
+  return new Promise(resolve => {
+    const childProcess = spawn('rg', [key, 'src'])
+    let data
+    childProcess.stdout.on('data', d => {
+      data = d.toString()
+    })
+    childProcess.on('close', () => {
+      if (!data) return resolve(false)
+      const rows = data.split('\n').filter(Boolean)
+      return resolve(rows.length > 0)
+    })
+    childProcess.on('error', err => {
+      if (err.code === 'ENOENT') {
+        console.log(`You need to install ripgrep first`)
+        console.log(`see: https://github.com/BurntSushi/ripgrep`)
+        process.exit(1)
+      }
+    })
+  })
+}
+
+main()