Implement fetching, filtering and tests

2024-11-12 08:38:35 +00:00 · 2020-05-21 00:31:16 +02:00 · 2020-05-21 00:31:16 +02:00 · 4e726dd036
commit 4e726dd036
parent d475d5da26
10 changed files with 31262 additions and 306 deletions
--- a/.eslintrc.json
+++ b/.eslintrc.json
@ -18,7 +18,7 @@
      "@typescript-eslint/await-thenable": "error",
      "@typescript-eslint/ban-ts-ignore": "error",
      "camelcase": "off",
-      "@typescript-eslint/camelcase": "error",
+      "@typescript-eslint/camelcase": "off",
      "@typescript-eslint/class-name-casing": "error",
      "@typescript-eslint/explicit-function-return-type": ["error", {"allowExpressions": true}],
      "@typescript-eslint/func-call-spacing": ["error", "never"],
--- a/.prettierrc.json
+++ b/.prettierrc.json
@ -1,5 +1,5 @@
 {
-    "printWidth": 80,
+    "printWidth": 120,
    "tabWidth": 2,
    "useTabs": false,
    "semi": false,
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@ -0,0 +1,35 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "type": "node",
+        "request": "launch",
+        "name": "Jest All",
+        "program": "${workspaceFolder}/node_modules/.bin/jest",
+        "args": ["--runInBand"],
+        "console": "integratedTerminal",
+        "internalConsoleOptions": "neverOpen",
+        "disableOptimisticBPs": true,
+        "windows": {
+          "program": "${workspaceFolder}/node_modules/jest/bin/jest",
+        }
+      },
+      {
+        "type": "node",
+        "request": "launch",
+        "name": "Jest Current File",
+        "program": "${workspaceFolder}/node_modules/.bin/jest",
+        "args": [
+          "${fileBasenameNoExtension}",
+          "--config",
+          "jest.config.js"
+        ],
+        "console": "integratedTerminal",
+        "internalConsoleOptions": "neverOpen",
+        "disableOptimisticBPs": true,
+        "windows": {
+          "program": "${workspaceFolder}/node_modules/jest/bin/jest",
+        }
+      }
+    ]
+  }
--- a/tests/main.test.ts
+++ b/tests/main.test.ts
@ -1,27 +1,73 @@
-import {wait} from '../src/wait'
-import * as process from 'process'
-import * as cp from 'child_process'
-import * as path from 'path'
+import Filter from '../src/filter'

-test('throws invalid number', async () => {
-  const input = parseInt('foo', 10)
-  await expect(wait(input)).rejects.toThrow('milliseconds not a number')
+describe('yaml filter parsing tests', () => {
+  test('throws if yaml is not a dictionary', () => {
+    const yaml = 'not a dictionary'
+    const t = () => new Filter(yaml)
+    expect(t).toThrow(/^Invalid filter.*/)
+  })
+  test('throws on invalid yaml', () => {
+    const yaml = `
+    src:
+      src/**/*.js
+    `
+    const t = () => new Filter(yaml)
+    expect(t).toThrow(/^Invalid filter.*/)
+  })
+  test('throws if pattern is not a string', () => {
+    const yaml = `
+    src:
+      - src/**/*.js
+      - dict:
+          some: value
+    `
+    const t = () => new Filter(yaml)
+    expect(t).toThrow(/^Invalid filter.*/)
+  })
 })

-test('wait 500 ms', async () => {
-  const start = new Date()
-  await wait(500)
-  const end = new Date()
-  var delta = Math.abs(end.getTime() - start.getTime())
-  expect(delta).toBeGreaterThan(450)
-})
+describe('matching tests', () => {
+  test('matches single rule in single group', () => {
+    const yaml = `
+    src:
+      - src/**/*.js
+    `
+    const filter = new Filter(yaml)
+    const match = filter.match(['src/app/module/file.js'])
+    expect(match.src).toBeTruthy()
+  })

-// shows how the runner will run a javascript action with env / stdout protocol
-test('test runs', () => {
-  process.env['INPUT_MILLISECONDS'] = '500'
-  const ip = path.join(__dirname, '..', 'lib', 'main.js')
-  const options: cp.ExecSyncOptions = {
-    env: process.env
-  }
-  console.log(cp.execSync(`node ${ip}`, options).toString())
+  test('no match when file is in different folder', () => {
+    const yaml = `
+    src:
+      - src/**/*.js
+    `
+    const filter = new Filter(yaml)
+    const match = filter.match(['not_src/other_file.js'])
+    expect(match.src).toBeFalsy()
+  })
+
+  test('match only within second groups ', () => {
+    const yaml = `
+    src:
+      - src/**/*.js
+    test:
+      - test/**/*.js
+    `
+    const filter = new Filter(yaml)
+    const match = filter.match(['test/test.js'])
+    expect(match.src).toBeFalsy()
+    expect(match.test).toBeTruthy()
+  })
+
+  test('match only withing second rule of single group', () => {
+    const yaml = `
+    src:
+      - src/**/*.js
+      - test/**/*.js
+    `
+    const filter = new Filter(yaml)
+    const match = filter.match(['test/test.js'])
+    expect(match.src).toBeTruthy()
+  })
 })
--- a/dist/index.js
+++ b/dist/index.js
--- a/package-lock.json
+++ b/package-lock.json
@ -9,6 +9,24 @@
      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.0.tgz",
      "integrity": "sha512-ZKdyhlSlyz38S6YFfPnyNgCDZuAF2T0Qv5eHflNWytPS8Qjvz39bZFMry9Bb/dpSnqWcNeav5yM2CTYpJeY+Dw=="
    },
+    "@actions/github": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/@actions/github/-/github-2.2.0.tgz",
+      "integrity": "sha512-9UAZqn8ywdR70n3GwVle4N8ALosQs4z50N7XMXrSTUVOmVpaBC5kE3TRTT7qQdi3OaQV24mjGuJZsHUmhD+ZXw==",
+      "requires": {
+        "@actions/http-client": "^1.0.3",
+        "@octokit/graphql": "^4.3.1",
+        "@octokit/rest": "^16.43.1"
+      }
+    },
+    "@actions/http-client": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/@actions/http-client/-/http-client-1.0.8.tgz",
+      "integrity": "sha512-G4JjJ6f9Hb3Zvejj+ewLLKLf99ZC+9v+yCxoYf9vSyH+WkzPLB2LuUtRMGNkooMqdugGBFStIKXOuvH1W+EctA==",
+      "requires": {
+        "tunnel": "0.0.6"
+      }
+    },
    "@babel/code-frame": {
      "version": "7.5.5",
      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
@ -411,6 +429,239 @@
        "@types/yargs": "^13.0.0"
      }
    },
+    "@octokit/auth-token": {
+      "version": "2.4.0",
+      "resolved": "https://registry.npmjs.org/@octokit/auth-token/-/auth-token-2.4.0.tgz",
+      "integrity": "sha512-eoOVMjILna7FVQf96iWc3+ZtE/ZT6y8ob8ZzcqKY1ibSQCnu4O/B7pJvzMx5cyZ/RjAff6DAdEb0O0Cjcxidkg==",
+      "requires": {
+        "@octokit/types": "^2.0.0"
+      },
+      "dependencies": {
+        "@octokit/types": {
+          "version": "2.16.2",
+          "resolved": "https://registry.npmjs.org/@octokit/types/-/types-2.16.2.tgz",
+          "integrity": "sha512-O75k56TYvJ8WpAakWwYRN8Bgu60KrmX0z1KqFp1kNiFNkgW+JW+9EBKZ+S33PU6SLvbihqd+3drvPxKK68Ee8Q==",
+          "requires": {
+            "@types/node": ">= 8"
+          }
+        }
+      }
+    },
+    "@octokit/endpoint": {
+      "version": "6.0.1",
+      "resolved": "https://registry.npmjs.org/@octokit/endpoint/-/endpoint-6.0.1.tgz",
+      "integrity": "sha512-pOPHaSz57SFT/m3R5P8MUu4wLPszokn5pXcB/pzavLTQf2jbU+6iayTvzaY6/BiotuRS0qyEUkx3QglT4U958A==",
+      "requires": {
+        "@octokit/types": "^2.11.1",
+        "is-plain-object": "^3.0.0",
+        "universal-user-agent": "^5.0.0"
+      },
+      "dependencies": {
+        "@octokit/types": {
+          "version": "2.16.2",
+          "resolved": "https://registry.npmjs.org/@octokit/types/-/types-2.16.2.tgz",
+          "integrity": "sha512-O75k56TYvJ8WpAakWwYRN8Bgu60KrmX0z1KqFp1kNiFNkgW+JW+9EBKZ+S33PU6SLvbihqd+3drvPxKK68Ee8Q==",
+          "requires": {
+            "@types/node": ">= 8"
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+        "is-plain-object": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/is-plain-object/-/is-plain-object-3.0.0.tgz",
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+          "requires": {
+            "isobject": "^4.0.0"
+          }
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+        "isobject": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/isobject/-/isobject-4.0.0.tgz",
+          "integrity": "sha512-S/2fF5wH8SJA/kmwr6HYhK/RI/OkhD84k8ntalo0iJjZikgq1XFvR5M8NPT1x5F7fBwCG3qHfnzeP/Vh/ZxCUA=="
+        }
+      }
+    },
+    "@octokit/graphql": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/@octokit/graphql/-/graphql-4.5.0.tgz",
+      "integrity": "sha512-StJWfn0M1QfhL3NKBz31e1TdDNZrHLLS57J2hin92SIfzlOVBuUaRkp31AGkGOAFOAVtyEX6ZiZcsjcJDjeb5g==",
+      "requires": {
+        "@octokit/request": "^5.3.0",
+        "@octokit/types": "^4.0.1",
+        "universal-user-agent": "^5.0.0"
+      }
+    },
+    "@octokit/plugin-paginate-rest": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@octokit/plugin-paginate-rest/-/plugin-paginate-rest-1.1.2.tgz",
+      "integrity": "sha512-jbsSoi5Q1pj63sC16XIUboklNw+8tL9VOnJsWycWYR78TKss5PVpIPb1TUUcMQ+bBh7cY579cVAWmf5qG+dw+Q==",
+      "requires": {
+        "@octokit/types": "^2.0.1"
+      },
+      "dependencies": {
+        "@octokit/types": {
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+          "resolved": "https://registry.npmjs.org/@octokit/types/-/types-2.16.2.tgz",
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+          "requires": {
+            "@types/node": ">= 8"
+          }
+        }
+      }
+    },
+    "@octokit/plugin-request-log": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/@octokit/plugin-request-log/-/plugin-request-log-1.0.0.tgz",
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+    },
+    "@octokit/plugin-rest-endpoint-methods": {
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+      "resolved": "https://registry.npmjs.org/@octokit/plugin-rest-endpoint-methods/-/plugin-rest-endpoint-methods-2.4.0.tgz",
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+      "requires": {
+        "@octokit/types": "^2.0.1",
+        "deprecation": "^2.3.1"
+      },
+      "dependencies": {
+        "@octokit/types": {
+          "version": "2.16.2",
+          "resolved": "https://registry.npmjs.org/@octokit/types/-/types-2.16.2.tgz",
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+          "requires": {
+            "@types/node": ">= 8"
+          }
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+    "@octokit/request": {
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+        "deprecation": "^2.0.0",
+        "is-plain-object": "^3.0.0",
+        "node-fetch": "^2.3.0",
+        "once": "^1.4.0",
+        "universal-user-agent": "^5.0.0"
+      },
+      "dependencies": {
+        "@octokit/types": {
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+        }
+      }
+    },
+    "@octokit/request-error": {
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+      "resolved": "https://registry.npmjs.org/@octokit/request-error/-/request-error-2.0.0.tgz",
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+        "deprecation": "^2.0.0",
+        "once": "^1.4.0"
+      },
+      "dependencies": {
+        "@octokit/types": {
+          "version": "2.16.2",
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+          "requires": {
+            "@types/node": ">= 8"
+          }
+        }
+      }
+    },
+    "@octokit/rest": {
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+      "resolved": "https://registry.npmjs.org/@octokit/rest/-/rest-16.43.1.tgz",
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+      "requires": {
+        "@octokit/auth-token": "^2.4.0",
+        "@octokit/plugin-paginate-rest": "^1.1.1",
+        "@octokit/plugin-request-log": "^1.0.0",
+        "@octokit/plugin-rest-endpoint-methods": "2.4.0",
+        "@octokit/request": "^5.2.0",
+        "@octokit/request-error": "^1.0.2",
+        "atob-lite": "^2.0.0",
+        "before-after-hook": "^2.0.0",
+        "btoa-lite": "^1.0.0",
+        "deprecation": "^2.0.0",
+        "lodash.get": "^4.4.2",
+        "lodash.set": "^4.3.2",
+        "lodash.uniq": "^4.5.0",
+        "octokit-pagination-methods": "^1.1.0",
+        "once": "^1.4.0",
+        "universal-user-agent": "^4.0.0"
+      },
+      "dependencies": {
+        "@octokit/request-error": {
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+          "requires": {
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+            "deprecation": "^2.0.0",
+            "once": "^1.4.0"
+          }
+        },
+        "@octokit/types": {
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+          "resolved": "https://registry.npmjs.org/@octokit/types/-/types-2.16.2.tgz",
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+          "requires": {
+            "@types/node": ">= 8"
+          }
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+          "requires": {
+            "os-name": "^3.1.0"
+          }
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+    "@octokit/types": {
+      "version": "4.0.1",
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+      "requires": {
+        "@types/node": ">= 8"
+      }
+    },
+    "@octokit/webhooks": {
+      "version": "7.6.1",
+      "resolved": "https://registry.npmjs.org/@octokit/webhooks/-/webhooks-7.6.1.tgz",
+      "integrity": "sha512-xZiS+V9ZApmCtsavY0yWhwPm+z+bZz9bqYb6ZbeIvloJMwxw2w99eg9bCSngkCq0W4mMX2ZtJF2b6ToN9+iH1w==",
+      "requires": {
+        "debug": "^4.0.0"
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    "@types/babel__core": {
      "version": "7.1.3",
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@ -492,17 +743,28 @@
        "jest-diff": "^24.3.0"
      }
    },
+    "@types/js-yaml": {
+      "version": "3.12.4",
+      "resolved": "https://registry.npmjs.org/@types/js-yaml/-/js-yaml-3.12.4.tgz",
+      "integrity": "sha512-fYMgzN+9e28R81weVN49inn/u798ruU91En1ZnGvSZzCRc5jXx9B2EDhlRaWmcO1RIxFHL8AajRXzxDuJu93+A==",
+      "dev": true
+    },
    "@types/json-schema": {
      "version": "7.0.3",
      "resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.3.tgz",
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      "dev": true
    },
+    "@types/minimatch": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
+      "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==",
+      "dev": true
+    },
    "@types/node": {
      "version": "12.12.14",
      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.14.tgz",
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-      "dev": true
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    "@types/stack-utils": {
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@ -808,6 +1070,11 @@
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      "dev": true
    },
+    "atob-lite": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/atob-lite/-/atob-lite-2.0.0.tgz",
+      "integrity": "sha1-D+9a1G8b16hQLGVyfwNn1e5D1pY="
+    },
    "aws-sign2": {
      "version": "0.7.0",
      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
@ -938,8 +1205,7 @@
    "balanced-match": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
-      "dev": true
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
    },
    "base": {
      "version": "0.11.2",
@ -1005,11 +1271,15 @@
        "tweetnacl": "^0.14.3"
      }
    },
+    "before-after-hook": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/before-after-hook/-/before-after-hook-2.1.0.tgz",
+      "integrity": "sha512-IWIbu7pMqyw3EAJHzzHbWa85b6oud/yfKYg5rqB5hNE8CeMi3nX+2C2sj0HswfblST86hpVEOAb9x34NZd6P7A=="
+    },
    "brace-expansion": {
      "version": "1.1.11",
      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
-      "dev": true,
      "requires": {
        "balanced-match": "^1.0.0",
        "concat-map": "0.0.1"
@ -1085,6 +1355,11 @@
        "node-int64": "^0.4.0"
      }
    },
+    "btoa-lite": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/btoa-lite/-/btoa-lite-1.0.0.tgz",
+      "integrity": "sha1-M3dm2hWAEhD92VbCLpxokaudAzc="
+    },
    "buffer-from": {
      "version": "1.1.1",
      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
@ -1284,8 +1559,7 @@
    "concat-map": {
      "version": "0.0.1",
      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
-      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
-      "dev": true
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
    },
    "contains-path": {
      "version": "0.1.0",
@ -1334,7 +1608,6 @@
      "version": "6.0.5",
      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
      "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
-      "dev": true,
      "requires": {
        "nice-try": "^1.0.4",
        "path-key": "^2.0.1",
@ -1346,8 +1619,7 @@
        "semver": {
          "version": "5.7.1",
          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
-          "dev": true
+          "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
        }
      }
    },
@ -1409,7 +1681,6 @@
      "version": "4.1.1",
      "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
      "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
-      "dev": true,
      "requires": {
        "ms": "^2.1.1"
      }
@ -1488,6 +1759,11 @@
      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
      "dev": true
    },
+    "deprecation": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/deprecation/-/deprecation-2.3.1.tgz",
+      "integrity": "sha512-xmHIy4F3scKVwMsQ4WnVaS8bHOx0DmVwRywosKhaILI0ywMDWPtBSku2HNxRvF7jtwDRsoEwYQSfbxj8b7RlJQ=="
+    },
    "detect-newline": {
      "version": "2.1.0",
      "resolved": "https://registry.npmjs.org/detect-newline/-/detect-newline-2.1.0.tgz",
@ -1538,7 +1814,6 @@
      "version": "1.4.4",
      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
-      "dev": true,
      "requires": {
        "once": "^1.4.0"
      }
@ -2116,7 +2391,6 @@
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/execa/-/execa-1.0.0.tgz",
      "integrity": "sha512-adbxcyWV46qiHyvSp50TKt05tB4tK3HcmF7/nxfAdhnox83seTDbwnaqKO4sXRy7roHAIFqJP/Rw/AuEbX61LA==",
-      "dev": true,
      "requires": {
        "cross-spawn": "^6.0.0",
        "get-stream": "^4.0.0",
@ -3020,7 +3294,6 @@
      "version": "4.1.0",
      "resolved": "https://registry.npmjs.org/get-stream/-/get-stream-4.1.0.tgz",
      "integrity": "sha512-GMat4EJ5161kIy2HevLlr4luNjBgvmj413KaQA7jt4V8B4RDsfpHk7WQ9GVqfYyyx8OS/L66Kox+rJRNklLK7w==",
-      "dev": true,
      "requires": {
        "pump": "^3.0.0"
      }
@ -3552,8 +3825,7 @@
    "is-stream": {
      "version": "1.1.0",
      "resolved": "https://registry.npmjs.org/is-stream/-/is-stream-1.1.0.tgz",
-      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ=",
-      "dev": true
+      "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ="
    },
    "is-symbol": {
      "version": "1.0.3",
@ -3591,8 +3863,7 @@
    "isexe": {
      "version": "2.0.0",
      "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
-      "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=",
-      "dev": true
+      "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA="
    },
    "isobject": {
      "version": "3.0.1",
@ -4336,12 +4607,22 @@
      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
      "dev": true
    },
+    "lodash.get": {
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/lodash.get/-/lodash.get-4.4.2.tgz",
+      "integrity": "sha1-LRd/ZS+jHpObRDjVNBSZ36OCXpk="
+    },
    "lodash.memoize": {
      "version": "4.1.2",
      "resolved": "https://registry.npmjs.org/lodash.memoize/-/lodash.memoize-4.1.2.tgz",
      "integrity": "sha1-vMbEmkKihA7Zl/Mj6tpezRguC/4=",
      "dev": true
    },
+    "lodash.set": {
+      "version": "4.3.2",
+      "resolved": "https://registry.npmjs.org/lodash.set/-/lodash.set-4.3.2.tgz",
+      "integrity": "sha1-2HV7HagH3eJIFrDWqEvqGnYjCyM="
+    },
    "lodash.sortby": {
      "version": "4.7.0",
      "resolved": "https://registry.npmjs.org/lodash.sortby/-/lodash.sortby-4.7.0.tgz",
@ -4354,6 +4635,11 @@
      "integrity": "sha1-vyJJiGzlFM2hEvrpIYzcBlIR/Jw=",
      "dev": true
    },
+    "lodash.uniq": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/lodash.uniq/-/lodash.uniq-4.5.0.tgz",
+      "integrity": "sha1-0CJTc662Uq3BvILklFM5qEJ1R3M="
+    },
    "loose-envify": {
      "version": "1.4.0",
      "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
@ -4363,6 +4649,11 @@
        "js-tokens": "^3.0.0 || ^4.0.0"
      }
    },
+    "macos-release": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/macos-release/-/macos-release-2.3.0.tgz",
+      "integrity": "sha512-OHhSbtcviqMPt7yfw5ef5aghS2jzFVKEFyCJndQt2YpSQ9qRVSEv2axSJI1paVThEu+FFGs584h/1YhxjVqajA=="
+    },
    "make-dir": {
      "version": "2.1.0",
      "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
@ -4469,7 +4760,6 @@
      "version": "3.0.4",
      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
-      "dev": true,
      "requires": {
        "brace-expansion": "^1.1.7"
      }
@ -4513,8 +4803,7 @@
    "ms": {
      "version": "2.1.2",
      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
-      "dev": true
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
    },
    "mute-stream": {
      "version": "0.0.7",
@ -4563,8 +4852,7 @@
    "nice-try": {
      "version": "1.0.5",
      "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
-      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
-      "dev": true
+      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ=="
    },
    "node-fetch": {
      "version": "2.1.2",
@ -4638,7 +4926,6 @@
      "version": "2.0.2",
      "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
      "integrity": "sha1-NakjLfo11wZ7TLLd8jV7GHFTbF8=",
-      "dev": true,
      "requires": {
        "path-key": "^2.0.0"
      }
@ -4780,11 +5067,15 @@
        "has": "^1.0.3"
      }
    },
+    "octokit-pagination-methods": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/octokit-pagination-methods/-/octokit-pagination-methods-1.1.0.tgz",
+      "integrity": "sha512-fZ4qZdQ2nxJvtcasX7Ghl+WlWS/d9IgnBIwFZXVNNZUmzpno91SX5bc5vuxiuKoCtK78XxGGNuSCrDC7xYB3OQ=="
+    },
    "once": {
      "version": "1.4.0",
      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
-      "dev": true,
      "requires": {
        "wrappy": "1"
      }
@ -4822,6 +5113,15 @@
        "word-wrap": "~1.2.3"
      }
    },
+    "os-name": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/os-name/-/os-name-3.1.0.tgz",
+      "integrity": "sha512-h8L+8aNjNcMpo/mAIBPn5PXCM16iyPGjHNWo6U1YO8sJTMHtEtyczI6QJnLoplswm6goopQkqc7OAnjhWcugVg==",
+      "requires": {
+        "macos-release": "^2.2.0",
+        "windows-release": "^3.1.0"
+      }
+    },
    "os-tmpdir": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
@ -4840,8 +5140,7 @@
    "p-finally": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
-      "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4=",
-      "dev": true
+      "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4="
    },
    "p-limit": {
      "version": "1.3.0",
@ -4924,8 +5223,7 @@
    "path-key": {
      "version": "2.0.1",
      "resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
-      "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=",
-      "dev": true
+      "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A="
    },
    "path-parse": {
      "version": "1.0.6",
@ -5054,7 +5352,6 @@
      "version": "3.0.0",
      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.0.tgz",
      "integrity": "sha512-LwZy+p3SFs1Pytd/jYct4wpv49HiYCqd9Rlc5ZVdk0V+8Yzv6jR5Blk3TRmPL1ft69TxP0IMZGJ+WPFU2BFhww==",
-      "dev": true,
      "requires": {
        "end-of-stream": "^1.1.0",
        "once": "^1.3.1"
@ -5497,7 +5794,6 @@
      "version": "1.2.0",
      "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
      "integrity": "sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=",
-      "dev": true,
      "requires": {
        "shebang-regex": "^1.0.0"
      }
@ -5505,8 +5801,7 @@
    "shebang-regex": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-1.0.0.tgz",
-      "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
-      "dev": true
+      "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM="
    },
    "shellwords": {
      "version": "0.1.1",
@ -5517,8 +5812,7 @@
    "signal-exit": {
      "version": "3.0.2",
      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
-      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
-      "dev": true
+      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
    },
    "sisteransi": {
      "version": "1.0.4",
@ -5871,8 +6165,7 @@
    "strip-eof": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
-      "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8=",
-      "dev": true
+      "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8="
    },
    "strip-json-comments": {
      "version": "2.0.1",
@ -6103,6 +6396,11 @@
        "tslib": "^1.8.1"
      }
    },
+    "tunnel": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/tunnel/-/tunnel-0.0.6.tgz",
+      "integrity": "sha512-1h/Lnq9yajKY2PEbBadPXj3VxsDDu844OnaAo52UVmIzIvwwtBPIuNvkjuzBlTWpfJyUbG3ez0KSBibQkj4ojg=="
+    },
    "tunnel-agent": {
      "version": "0.6.0",
      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@ -6165,6 +6463,14 @@
        "set-value": "^2.0.1"
      }
    },
+    "universal-user-agent": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/universal-user-agent/-/universal-user-agent-5.0.0.tgz",
+      "integrity": "sha512-B5TPtzZleXyPrUMKCpEHFmVhMN6EhmJYjG5PQna9s7mXeSqGTLap4OpqLl5FCEFUI3UBmllkETwKf/db66Y54Q==",
+      "requires": {
+        "os-name": "^3.1.0"
+      }
+    },
    "unset-value": {
      "version": "1.0.0",
      "resolved": "https://registry.npmjs.org/unset-value/-/unset-value-1.0.0.tgz",
@ -6323,7 +6629,6 @@
      "version": "1.3.1",
      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
-      "dev": true,
      "requires": {
        "isexe": "^2.0.0"
      }
@ -6334,6 +6639,14 @@
      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
      "dev": true
    },
+    "windows-release": {
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/windows-release/-/windows-release-3.3.0.tgz",
+      "integrity": "sha512-2HetyTg1Y+R+rUgrKeUEhAG/ZuOmTrI1NBb3ZyAGQMYmOJjBBPe4MTodghRkmLJZHwkuPi02anbeGP+Zf401LQ==",
+      "requires": {
+        "execa": "^1.0.0"
+      }
+    },
    "word-wrap": {
      "version": "1.2.3",
      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
@ -6382,8 +6695,7 @@
    "wrappy": {
      "version": "1.0.2",
      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
    },
    "write": {
      "version": "1.0.3",
--- a/package.json
+++ b/package.json
@ -25,10 +25,15 @@
  "author": "YourNameOrOrganization",
  "license": "MIT",
  "dependencies": {
-    "@actions/core": "^1.2.0"
+    "@actions/core": "^1.2.0",
+    "@actions/github": "^2.2.0",
+    "@octokit/webhooks": "^7.6.1",
+    "minimatch": "^3.0.4"
  },
  "devDependencies": {
    "@types/jest": "^24.0.23",
+    "@types/js-yaml": "^3.12.4",
+    "@types/minimatch": "^3.0.3",
    "@types/node": "^12.7.12",
    "@typescript-eslint/parser": "^2.8.0",
    "@zeit/ncc": "^0.20.5",
@ -41,5 +46,8 @@
    "prettier": "^1.19.1",
    "ts-jest": "^24.2.0",
    "typescript": "^3.6.4"
-  }
+  },
+  "jest": {
+    "testEnvironment": "node"
+ }
 }
--- a/src/filter.ts
+++ b/src/filter.ts
@ -0,0 +1,38 @@
+import * as jsyaml from 'js-yaml'
+import * as minimatch from 'minimatch'
+
+export default class Filter {
+  rules: {[key: string]: minimatch.IMinimatch[]} = {}
+
+  constructor(yaml: string) {
+    const doc = jsyaml.safeLoad(yaml)
+    if (typeof doc !== 'object') {
+      this.throwInvalidFormatError()
+    }
+
+    for (const name of Object.keys(doc)) {
+      const patterns = doc[name] as string[]
+      if (!Array.isArray(patterns)) {
+        this.throwInvalidFormatError()
+      }
+      if (!patterns.every(x => typeof x === 'string')) {
+        this.throwInvalidFormatError()
+      }
+      this.rules[name] = patterns.map(x => new minimatch.Minimatch(x))
+    }
+  }
+
+  // Returns dictionary with match result per rules group
+  match(paths: string[]): {[key: string]: boolean} {
+    const result: {[key: string]: boolean} = {}
+    for (const [key, patterns] of Object.entries(this.rules)) {
+      const match = paths.some(fileName => patterns.some(rule => rule.match(fileName)))
+      result[key] = match
+    }
+    return result
+  }
+
+  private throwInvalidFormatError(): never {
+    throw new Error('Invalid filter YAML format: Expected dictionary of string arrays')
+  }
+}
--- a/src/main.ts
+++ b/src/main.ts
@ -1,19 +1,54 @@
 import * as core from '@actions/core'
-import {wait} from './wait'
+import * as github from '@actions/github'
+import {Webhooks} from '@octokit/webhooks'
+
+import Filter from './filter'

 async function run(): Promise<void> {
  try {
-    const ms: string = core.getInput('milliseconds')
-    core.debug(`Waiting ${ms} milliseconds ...`)
+    const token = core.getInput('github-token', {required: true})
+    const filterYaml = core.getInput('filter', {required: true})
+    const client = new github.GitHub(token)

-    core.debug(new Date().toTimeString())
-    await wait(parseInt(ms, 10))
-    core.debug(new Date().toTimeString())
+    if (github.context.eventName !== 'pull_request') {
+      core.setFailed('This action can be triggered only by pull_request event')
+      return
+    }

-    core.setOutput('time', new Date().toTimeString())
+    const pr = github.context.payload.pull_request as Webhooks.WebhookPayloadPullRequestPullRequest
+    const filter = new Filter(filterYaml)
+    const files = await getChangedFiles(client, pr)
+
+    const result = filter.match(files)
+    for (const key in result) {
+      core.setOutput(key, String(result[key]))
+    }
  } catch (error) {
    core.setFailed(error.message)
  }
 }

+// Uses github REST api to get list of files changed in PR
+async function getChangedFiles(
+  client: github.GitHub,
+  pullRequest: Webhooks.WebhookPayloadPullRequestPullRequest
+): Promise<string[]> {
+  const pageSize = 100
+  const files: string[] = []
+  for (let page = 0; page * pageSize < pullRequest.changed_files; page++) {
+    const response = await client.pulls.listFiles({
+      owner: github.context.repo.owner,
+      repo: github.context.repo.repo,
+      pull_number: pullRequest.number,
+      page,
+      per_page: pageSize
+    })
+    for (const row of response.data) {
+      files.push(row.filename)
+    }
+  }
+
+  return files
+}
+
 run()
--- a/src/wait.ts
+++ b/src/wait.ts
@ -1,9 +0,0 @@
-export async function wait(milliseconds: number): Promise<string> {
-  return new Promise(resolve => {
-    if (isNaN(milliseconds)) {
-      throw new Error('milliseconds not a number')
-    }
-
-    setTimeout(() => resolve('done!'), milliseconds)
-  })
-}