feat: allow update message to be customized (#19)

* feat: added ability to pass a custom message

* refactor: use lodash.template

* refactor: regened yarn lock and corrected npmrc

* chore: cleaned up linting errors

* fix: added missing semi colon to readme

* chore: addressed comments by @jdxcode

* chore: fix template import

* chore: updated deps

* chore: fix template logic

README.md

@@ -11,10 +11,12 @@ warns if there is a newer version of CLI released
 [![License](https://img.shields.io/npm/l/@oclif/plugin-warn-if-update-available.svg)](https://github.com/oclif/plugin-warn-if-update-available/blob/master/package.json)
 
 <!-- toc -->
-* [What is this?](#what-is-this)
-* [How it works](#how-it-works)
-* [Installation](#installation)
-* [Configuration](#configuration)
+- [@oclif/plugin-warn-if-update-available](#oclifplugin-warn-if-update-available)
+- [What is this?](#what-is-this)
+- [How it works](#how-it-works)
+- [Installation](#installation)
+- [Configuration](#configuration)
+  - [Example configuration](#example-configuration)
 <!-- tocstop -->
 
 # What is this?
@@ -48,6 +50,7 @@ In `package.json`, set `oclif['warn-if-update-available']` to an object with
 any of the following configuration properties:
 
 - `timeoutInDays` - Duration between update checks. Defaults to 60.
+- `message` - Customize update message.
 - `registry` - URL of registry. Defaults to the public npm registry: `https://registry.npmjs.org`
 - `authorization` - Authorization header value for registries that require auth.
 
@@ -61,6 +64,7 @@ any of the following configuration properties:
     ],
     "warn-if-update-available": {
       "timeoutInDays": 7,
+      "message": "<%= config.name %> update available from <%= chalk.greenBright(config.version) %> to <%= chalk.greenBright(latest) %>.",
       "registry": "https://my.example.com/module/registry",
       "authorization": "Basic <SOME READ ONLY AUTH TOKEN>"
     }

package.json

@@ -5,31 +5,33 @@
   "author": "Jeff Dickey @jdxcode",
   "bugs": "https://github.com/oclif/plugin-warn-if-update-available/issues",
   "dependencies": {
-    "@oclif/command": "^1.5.3",
-    "@oclif/config": "^1.8.7",
+    "@oclif/command": "^1.5.10",
+    "@oclif/config": "^1.12.8",
     "@oclif/errors": "^1.2.2",
     "chalk": "^2.4.1",
     "debug": "^4.1.0",
     "fs-extra": "^7.0.0",
     "http-call": "^5.2.2",
+    "lodash.template": "^4.4.0",
     "semver": "^5.6.0"
   },
   "devDependencies": {
     "@oclif/dev-cli": "^1.19.1",
-    "@oclif/test": "^1.2.1",
+    "@oclif/test": "^1.2.4",
     "@oclif/tslint": "^3.1.0",
     "@types/chai": "^4.1.6",
-    "@types/fs-extra": "^5.0.4",
-    "@types/mocha": "^5.2.5",
-    "@types/node": "^10.11.7",
+    "@types/fs-extra": "^5.0.5",
+    "@types/lodash.template": "^4.4.5",
+    "@types/mocha": "^5.2.6",
+    "@types/node": "^11.9.4",
     "@types/semver": "^5.5.0",
     "chai": "^4.2.0",
-    "globby": "^8.0.1",
-    "mocha": "^5.2.0",
-    "ts-node": "^7.0.1",
+    "globby": "^9.0.0",
+    "mocha": "^6.0.0",
+    "ts-node": "^8.0.2",
     "tslib": "^1.9.3",
     "tslint": "^5.11.0",
-    "typescript": "^3.1.3"
+    "typescript": "^3.3.3"
   },
   "engines": {
     "node": ">=8.0.0"

src/hooks/init/check-update.ts

@@ -2,6 +2,7 @@ import {Hook} from '@oclif/config'
 import Chalk from 'chalk'
 import {spawn} from 'child_process'
 import * as fs from 'fs-extra'
+import Template = require('lodash.template')
 import * as path from 'path'
 import * as semver from 'semver'
 
@@ -13,6 +14,7 @@ const hook: Hook<'init'> = async function ({config}) {
   // Destructure package.json configuration with defaults
   const {
     timeoutInDays = 60,
+    message = '<%= config.name %> update available from <%= chalk.greenBright(config.version) %> to <%= chalk.greenBright(latest) %>.',
     registry = 'https://registry.npmjs.org',
     authorization = '',
   } = (config.pjson.oclif as any)['warn-if-update-available'] || {}
@@ -28,7 +30,13 @@ const hook: Hook<'init'> = async function ({config}) {
       }
       if (distTags && distTags.latest && semver.gt(distTags.latest.split('-')[0], config.version.split('-')[0])) {
         const chalk: typeof Chalk = require('chalk')
-        this.warn(`${config.name} update available from ${chalk.greenBright(config.version)} to ${chalk.greenBright(distTags.latest)}`)
+        const template: typeof Template = require('lodash.template')
+        // Default message if the user doesn't provide one
+        this.warn(template(message)({
+          chalk,
+          config,
+          ...distTags,
+        }))
       }
     } catch (err) {
       if (err.code !== 'ENOENT') throw err