From ee102dc12175d537f770f78b60fdc6598f295c56 Mon Sep 17 00:00:00 2001
From: David Chambers <dc@davidchambers.me>
Date: Fri, 11 Aug 2017 14:56:58 +0200
Subject: [PATCH] derive index.js and index.d.ts from canonical list of method
 names

---
 CONTRIBUTING.md     |  7 +++++++
 index.d.ts          | 22 ++++++++++++++++++++++
 names               | 22 ++++++++++++++++++++++
 package.json        |  4 ++++
 scripts/generate-js | 21 +++++++++++++++++++++
 scripts/generate-ts |  4 ++++
 scripts/lint        |  7 +++++++
 7 files changed, 87 insertions(+)
 create mode 100644 index.d.ts
 create mode 100644 names
 create mode 100755 scripts/generate-js
 create mode 100755 scripts/generate-ts
 create mode 100755 scripts/lint

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 4e6450b..5434cf0 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -2,3 +2,10 @@
 
 Additions and modifications to the specification are best proposed in issues.
 If there is support for a proposal, the next step is to submit a pull request.
+
+When adding a type class to __README.md__, please update __names__ then run:
+
+```console
+$ npm run generate-js
+$ npm run generate-ts
+```
diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..81e3abe
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,22 @@
+export const equals: 'fantasy-land/equals';
+export const lte: 'fantasy-land/lte';
+export const compose: 'fantasy-land/compose';
+export const id: 'fantasy-land/id';
+export const concat: 'fantasy-land/concat';
+export const empty: 'fantasy-land/empty';
+export const invert: 'fantasy-land/invert';
+export const filter: 'fantasy-land/filter';
+export const map: 'fantasy-land/map';
+export const contramap: 'fantasy-land/contramap';
+export const ap: 'fantasy-land/ap';
+export const of: 'fantasy-land/of';
+export const alt: 'fantasy-land/alt';
+export const zero: 'fantasy-land/zero';
+export const reduce: 'fantasy-land/reduce';
+export const traverse: 'fantasy-land/traverse';
+export const chain: 'fantasy-land/chain';
+export const chainRec: 'fantasy-land/chainRec';
+export const extend: 'fantasy-land/extend';
+export const extract: 'fantasy-land/extract';
+export const bimap: 'fantasy-land/bimap';
+export const promap: 'fantasy-land/promap';
diff --git a/names b/names
new file mode 100644
index 0000000..5419268
--- /dev/null
+++ b/names
@@ -0,0 +1,22 @@
+equals
+lte
+compose
+id
+concat
+empty
+invert
+filter
+map
+contramap
+ap
+of
+alt
+zero
+reduce
+traverse
+chain
+chainRec
+extend
+extract
+bimap
+promap
diff --git a/package.json b/package.json
index 35995a9..07df67d 100644
--- a/package.json
+++ b/package.json
@@ -29,12 +29,16 @@
   "files": [
     "/LICENSE",
     "/README.md",
+    "/index.d.ts",
     "/index.js",
     "/package.json"
   ],
   "main": "index.js",
+  "types": "index.d.ts",
   "scripts": {
     "doctest": "sanctuary-doctest",
+    "generate-js": "scripts/generate-js",
+    "generate-ts": "scripts/generate-ts",
     "lint": "sanctuary-lint",
     "release": "sanctuary-release",
     "test": "npm run lint && sanctuary-test && npm run doctest"
diff --git a/scripts/generate-js b/scripts/generate-js
new file mode 100755
index 0000000..0bbfa71
--- /dev/null
+++ b/scripts/generate-js
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -euf -o pipefail
+
+cat >index.js <<EOF
+(function() {
+
+  'use strict';
+
+  var mapping = {
+    $(awk '{ printf (NR > 1 ? ",\n    " : "") $0 ": \047fantasy-land/" $0 "\047" }' names)
+  };
+
+  /* istanbul ignore else */
+  if (typeof module === 'object' && typeof module.exports === 'object') {
+    module.exports = mapping;
+  } else {
+    self.FantasyLand = mapping;
+  }
+
+} ());
+EOF
diff --git a/scripts/generate-ts b/scripts/generate-ts
new file mode 100755
index 0000000..b13fc93
--- /dev/null
+++ b/scripts/generate-ts
@@ -0,0 +1,4 @@
+#!/usr/bin/env bash
+set -euf -o pipefail
+
+awk '{ print "export const " $0 ": \047fantasy-land/" $0 "\047;" }' names >index.d.ts
diff --git a/scripts/lint b/scripts/lint
new file mode 100755
index 0000000..f2c01b8
--- /dev/null
+++ b/scripts/lint
@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -euf -o pipefail
+
+node_modules/.bin/sanctuary-lint "$@"
+
+scripts/generate-js && git diff --exit-code index.js
+scripts/generate-ts && git diff --exit-code index.d.ts