initial

Author: khmm12

.babelrc

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+{
+  "presets": [
+    ["env", {
+      "targets": {
+        "node": 6.0
+      }
+    }]
+  ]
+}

.eslintrc

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+{
+  "extends": ["standard", "plugin:import/errors"]
+}

.gitignore

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+node_modules/
+lib/

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) Maxim Khvatalin <khmm12@gmail.com> (http://github.com/khmm12)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# knex-tiny-logger
+
+[![Github All Releases](https://img.shields.io/github/downloads/knex-tiny-logger/knex-tiny-logger/total.svg?style=flat-square)]()
+[![](https://img.shields.io/npm/v/knex-tiny-logger.svg?style=flat-square)](https://npmjs.com/package/knex-tiny-logger)
+[![](https://img.shields.io/badge/code%20style-standard-brightgreen.svg?style=flat-square)](https://standardjs.com)
+
+> Zero config queries logger for knex
+
+## Usage
+
+Install the package:
+
+```bash
+$ yarn add knex-tiny-logger
+```
+
+Decorate knex with `knex-tiny-logger`:
+
+```
+import createKnex from 'knex'
+import knexTinyLogger from 'knex-tiny-logger'
+
+const knexOptions = {} // Your knex config
+const knex = knexTinyLogger(createKnex(knexOptions))
+
+// or
+const knex = createKnex(knexOptions)
+knexTinyLogger(knex)
+```
+
+## Advanced usage
+
+By default `knex-tiny-logger` uses `console.log`, but you can specify any logger which your prefer:
+```
+import createKnex from 'knex'
+import knexTinyLogger from 'knex-tiny-logger'
+import initDebug from 'debug'
+
+const awesomeLogger = initDebug('my-project:knex')
+const knexOptions = {} // Your knex config
+const knex = createKnex(knexOptions)
+knexTinyLogger(knex, { logger })
+```
+
+## License
+
+[MIT]('./LICENSE')

package.json

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+{
+  "name": "knex-tiny-logger",
+  "version": "1.0.2",
+  "description": "Tiny logger for knex",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/khmm12/knex-tiny-logger.git"
+  },
+  "author": "Maixm Khvatalin <khmm12@gmail.com> (http://github.com/khmm12)",
+  "files": [
+    "lib",
+    "src"
+  ],
+  "keywords": [
+    "knex",
+    "logger"
+  ],
+  "license": "MIT",
+  "main": "lib/index.js",
+  "engines": {
+    "node": ">=6"
+  },
+  "scripts": {
+    "prepublish": "yarn test && yarn build",
+    "test": "eslint src",
+    "build": "babel src --out-dir lib"
+  },
+  "devDependencies": {
+    "babel-cli": "^6.24.0",
+    "babel-preset-env": "^1.3.2",
+    "eslint": "^3.18.0",
+    "eslint-config-standard": "^7.1.0",
+    "eslint-plugin-import": "^2.2.0",
+    "eslint-plugin-promise": "^3.5.0",
+    "eslint-plugin-standard": "^2.1.1"
+  },
+  "dependencies": {
+    "chalk": "^1.1.3"
+  }
+}

src/index.js

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+import chalk from 'chalk'
+
+/**
+ * Decorate `knex` instance with logger
+ *
+ * @param {Object} knex - knex instance
+ * @param {Object} options
+ * @param {Function} [options.logger=console.log]
+ * @return {Object} knex - knex instance
+ */
+
+export default function knexTinyLogger (knex, { logger = console.log } = {}) {
+  const queries = {}
+  knex.on('query', ({ sql, bindings, __knexQueryUid: queryId }) => {
+    const startTime = process.hrtime()
+    queries[queryId] = { sql, bindings, startTime }
+  })
+  .on('query-response', (response, { __knexQueryUid: queryId }) => {
+    const { sql, bindings, startTime } = queries[queryId]
+    delete queries[queryId]
+
+    const diff = process.hrtime(startTime)
+    const duration = diff[0] * 1e3 + diff[1] * 1e-6
+    const sqlRequest = sql.split('?').reduce((memo, part, index) => {
+      const binding = bindings[index] ? bindings[index] : ''
+      return memo + part + binding
+    }, '')
+
+    logger('%s %s %s',
+      chalk.gray('SQL'),
+      chalk.cyan(sqlRequest),
+      chalk.magenta(duration.toFixed(3) + 'ms')
+    )
+  })
+  return knex
+}