😒 chore(deps): Upgrade.

  - up deps
  - patch some weird import issue in src/4-lazy/0-Lazy.js
  - update README
  - rename esdoc.json -> .esdoc.json
  - ignore /lib
  - commit yarn.lock
  - update travis config

Author: make-github-pseudonymous-again

esdoc.json renamed to .esdoc.json

@@ -1,3 +1,9 @@
+# lock file
+!yarn.lock
+
+# Generated files
+/lib
+
 # Dependency directory
 node_modules
 jspm_packages

.gitignore

@@ -1,13 +1,3 @@
-env:
-  - CXX=g++-4.8
-
-addons:
-  apt:
-    sources:
-      - ubuntu-toolchain-r-test
-    packages:
-      - g++-4.8
-
 language: node_js
 
 node_js:
@@ -16,10 +6,17 @@ node_js:
 install:
   - npm install
 
+before_script:
+  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+  - chmod +x ./cc-test-reporter
+  - ./cc-test-reporter before-build
+
 script:
   - npm run cover
 
+after_script:
+  - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT
+
 after_success:
-  - bash <(curl -s https://codecov.io/bash)            || true
+  - bash <(curl -s https://codecov.io/bash)        || true
   - coveralls                 < coverage/lcov.info || true
-  - codeclimate-test-reporter < coverage/lcov.info || true

.travis.yml

@@ -11,15 +11,19 @@ Parent is [@aureooms/js-persistent](https://github.com/aureooms/js-persistent).
                       | Single x
                       | Deep ( Digit x ) ( FingerTree ( Node x ) ) ( Digit x )
 
-[![License](https://img.shields.io/github/license/aureooms/js-fingertree.svg?style=flat)](https://raw.githubusercontent.com/aureooms/js-fingertree/master/LICENSE)
-[![NPM version](https://img.shields.io/npm/v/@aureooms/js-fingertree.svg?style=flat)](https://www.npmjs.org/package/@aureooms/js-fingertree)
-[![Build Status](https://img.shields.io/travis/aureooms/js-fingertree.svg?style=flat)](https://travis-ci.org/aureooms/js-fingertree)
-[![Coverage Status](https://img.shields.io/coveralls/aureooms/js-fingertree.svg?style=flat)](https://coveralls.io/r/aureooms/js-fingertree)
-[![Dependencies Status](https://img.shields.io/david/aureooms/js-fingertree.svg?style=flat)](https://david-dm.org/aureooms/js-fingertree#info=dependencies)
-[![devDependencies Status](https://img.shields.io/david/dev/aureooms/js-fingertree.svg?style=flat)](https://david-dm.org/aureooms/js-fingertree#info=devDependencies)
-[![Code Climate](https://img.shields.io/codeclimate/github/aureooms/js-fingertree.svg?style=flat)](https://codeclimate.com/github/aureooms/js-fingertree)
-[![NPM downloads per month](https://img.shields.io/npm/dm/@aureooms/js-fingertree.svg?style=flat)](https://www.npmjs.org/package/@aureooms/js-fingertree)
-[![GitHub issues](https://img.shields.io/github/issues/aureooms/js-fingertree.svg?style=flat)](https://github.com/aureooms/js-fingertree/issues)
+[![License](https://img.shields.io/github/license/aureooms/js-fingertree.svg)](https://raw.githubusercontent.com/aureooms/js-fingertree/master/LICENSE)
+[![Version](https://img.shields.io/npm/v/@aureooms/js-fingertree.svg)](https://www.npmjs.org/package/@aureooms/js-fingertree)
+[![Build](https://img.shields.io/travis/aureooms/js-fingertree/master.svg)](https://travis-ci.org/aureooms/js-fingertree/branches)
+[![Dependencies](https://img.shields.io/david/aureooms/js-fingertree.svg)](https://david-dm.org/aureooms/js-fingertree)
+[![Dev dependencies](https://img.shields.io/david/dev/aureooms/js-fingertree.svg)](https://david-dm.org/aureooms/js-fingertree?type=dev)
+[![GitHub issues](https://img.shields.io/github/issues/aureooms/js-fingertree.svg)](https://github.com/aureooms/js-fingertree/issues)
+[![Downloads](https://img.shields.io/npm/dm/@aureooms/js-fingertree.svg)](https://www.npmjs.org/package/@aureooms/js-fingertree)
+
+[![Code issues](https://img.shields.io/codeclimate/issues/aureooms/js-fingertree.svg)](https://codeclimate.com/github/aureooms/js-fingertree/issues)
+[![Code maintainability](https://img.shields.io/codeclimate/maintainability/github/aureooms/js-fingertree.svg)](https://codeclimate.com/github/aureooms/js-fingertree/trends/churn)
+[![Code coverage (cov)](https://img.shields.io/codecov/c/github/aureooms/js-fingertree.svg)](https://codecov.io/gh/aureooms/js-fingertree)
+[![Code coverage (clim)](https://img.shields.io/codeclimate/coverage-letter/aureooms/js-fingertree.svg)](https://codeclimate.com/github/aureooms/js-fingertree/trends/test_coverage_new_code)
+[![Code technical debt](https://img.shields.io/codeclimate/tech-debt/aureooms/js-fingertree.svg)](https://codeclimate.com/github/aureooms/js-fingertree/trends/technical_debt)
 [![Documentation](https://aureooms.github.io/js-fingertree/badge.svg)](https://aureooms.github.io/js-fingertree/source.html)
 
 

README.md

@@ -4,14 +4,20 @@
   "version": "4.0.6",
   "author": "Aurélien Ooms <[email protected]>",
   "ava": {
+    "sources": [
+      "src/**/*"
+    ],
+    "files": [
+      "test/src/**/*"
+    ],
     "require": [
-      "babel-polyfill",
-      "babel-register"
+      "@babel/polyfill",
+      "@babel/register"
     ]
   },
   "babel": {
     "presets": [
-      "env"
+      "@babel/preset-env"
     ],
     "env": {
       "development": {
@@ -27,22 +33,23 @@
     "@aureooms/js-itertools": "^3.4.0",
     "@aureooms/js-measure": "1.0.3",
     "@aureooms/js-predicate": "^2.0.2",
+    "@babel/cli": "7.7.4",
+    "@babel/core": "7.7.4",
+    "@babel/polyfill": "7.7.0",
+    "@babel/preset-env": "7.7.4",
+    "@babel/register": "7.7.4",
     "argparse": "^1.0.10",
-    "ava": "^0.25.0",
-    "babel-cli": "^6.26.0",
-    "babel-polyfill": "^6.26.0",
-    "babel-preset-env": "^1.6.1",
+    "ava": "^2.4.0",
     "benchmark": "^2.1.4",
-    "codeclimate-test-reporter": "^0.5.0",
-    "coveralls": "^3.0.0",
-    "esdoc": "^1.0.4",
+    "coveralls": "^3.0.8",
+    "esdoc": "^1.1.0",
     "esdoc-inject-script-plugin": "^1.0.0",
     "esdoc-inject-style-plugin": "^1.0.0",
     "esdoc-standard-plugin": "^1.0.0",
     "fingertree": "^0.1.7",
-    "microtime": "^2.1.7",
-    "np": "^2.20.1",
-    "nyc": "^11.6.0"
+    "microtime": "^3.0.0",
+    "np": "^5.1.3",
+    "nyc": "^14.1.1"
   },
   "files": [
     "lib"
@@ -63,14 +70,14 @@
   "main": "lib/index.js",
   "repository": {
     "type": "git",
-    "url": "https://github.com/aureooms/js-fingertree.git"
+    "url": "https://github.com/aureooms/js-fingertree"
   },
   "scripts": {
     "build": "rm -rf lib && babel src -d lib",
     "cover": "nyc --reporter=lcov npm test",
     "esdoc": "esdoc",
     "prepare": "npm run build",
     "release": "np",
-    "test": "ava ./test/src"
+    "test": "ava"
   }
 }

package.json

@@ -1,4 +1,4 @@
-import { Tree } from '../3-tree' ;
+import { Tree } from '../3-tree/base/Tree' ;
 
 export function Lazy ( thunk ) {
 	this.tree = null ;