initial commit

.drone/.drone.jsonnet

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+[
+  {
+    // test pipeline
+    name: 'test pipe',
+    kind: 'pipeline',
+    type: 'docker',
+    trigger: {
+      event: ['tag'],
+    },
+    clone: {
+      disable: false,
+      depth: 0,
+    },
+    steps: [
+      {
+        name: 'step',
+        image: 'alpine',
+        when: {
+          event: ['tag'],
+        },
+        commands: [
+          'echo hello',
+          'echo $${DRONE_COMMIT}',
+          'echo $${DRONE_TAG}',
+        ],
+      },
+
+    ],
+  }
+]

.drone/.drone.yml

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+---
+kind: pipeline
+type: docker
+name: test pipe
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+- name: step
+  image: alpine
+  commands:
+  - echo hello
+  - echo $${DRONE_COMMIT}
+  - echo $${DRONE_TAG}
+  when:
+    event:
+    - tag
+
+trigger:
+  event:
+  - tag
+
+...

.drone/README.md

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+# .drone
+
+these files are used to build a yml file to specify the drone build.
+
+To build you need to [install](https://docs.drone.io/cli/install/) drone utility.
+
+```shell
+drone jsonnet --source .drone/.drone.jsonnet --target .drone/.drone.yml --stream
+```
+
+make a pre commit hook to compile
+
+```shell
+
+echo `drone jsonnet --source .drone//.drone.jsonnet --target .drone//.drone.yml --stream` > .git/hooks/pre-commit
+echo `git add .drone//.drone.yml` > .git/hooks/pre-commit
+
+chmod +x .git/hooks/pre-commit
+```

.gitignore

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+node_modules

.versionrc.json

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+{
+  "compareUrlFormat": "{{repoUrl}}/compare/{{previousTag}}...{{currentTag}}"
+}

LICENSE

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+MIT License Copyright (c) <year> <copyright holders>
+
+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 (including the next
+paragraph) 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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+# compose
+
+functional composition for jsonnet
+
+```jsonnet
+local compose = import 'node_modules/jsonnet-compose/compose.libsonnet';
+
+compose([
+  function(x) x+1,
+  function(x) x+2,
+])(1)
+```
+
+use https://www.conventionalcommits.org/en/v1.0.0/ to control releases.
+
+to release
+
+```
+yarn release
+```

compose.libsonnet

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+  // the tail of an array
+local tail(array) = std.makeArray(
+  std.length(array) -1,
+  function(x) array[x + 1],
+);
+local compose(functions) =
+  if std.length(functions) == 0
+    then
+      function(object) object
+    else
+      function(object) compose(
+        tail(
+          functions,
+        )
+      )(
+        functions[0](object)
+      );
+// compose an array of functions
+compose

package.json

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+{
+  "name": "@sigyl/jsonnet-compose",
+  "version": "0.0.2",
+  "description": "function compose",
+  "main": "compose.libsonnet",
+  "scripts": {
+    "publish": "git push --follow-tags origin master && npm publish",
+    "release": "standard-version",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://sigyl.com/git/sigyl/jsonnet-compose.git"
+  },
+  "keywords": [
+    "jsonnet",
+    "functional",
+    "compose"
+  ],
+  "author": "giles bradshaw",
+  "license": "MIT",
+  "devDependencies": {
+    "standard-version": "^8.0.2"
+  }
+}