Support reusable paths blocks via yaml anchors (#13 )

* Add support for nested arrays of path expressions * Remove pull_request trigger type options Default value is fine: opened, synchronize, reopened * Add CHANGELOG * Update README
Update README
2025-12-25 16:38:20 +00:00 · 2020-06-19 23:39:06 +02:00 · 2020-06-15 22:15:38 +02:00 · 2020-06-15 21:57:00 +02:00
9 changed files with 304 additions and 97 deletions
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -25,7 +25,7 @@
      "@typescript-eslint/generic-type-naming": ["error", "^[A-Z][A-Za-z]*$"],
      "@typescript-eslint/no-array-constructor": "error",
      "@typescript-eslint/no-empty-interface": "error",
-      "@typescript-eslint/no-explicit-any": "error",
+      "@typescript-eslint/no-explicit-any": "off",
      "@typescript-eslint/no-extraneous-class": "error",
      "@typescript-eslint/no-for-in-array": "error",
      "@typescript-eslint/no-inferrable-types": "error",
@@ -42,7 +42,7 @@
      "@typescript-eslint/prefer-includes": "error",
      "@typescript-eslint/prefer-interface": "error",
      "@typescript-eslint/prefer-string-starts-ends-with": "error",
-      "@typescript-eslint/promise-function-async": "error",
+      "@typescript-eslint/promise-function-async": ["error", { "allowAny": true }],
      "@typescript-eslint/require-array-sort-compare": "error",
      "@typescript-eslint/restrict-plus-operands": "error",
      "semi": "off",
--- a/.github/workflows/pull-request-verification.yml
+++ b/.github/workflows/pull-request-verification.yml
@@ -1,9 +1,6 @@
 name: "Pull Request Verification"
 on:
  pull_request:
-    types:
-      - opened
-      - synchronize
    branches:
      - master

--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -0,0 +1,18 @@
+# Changelog
+
+## v2.1.0
+- [Support reusable paths blocks with yaml anchors](https://github.com/dorny/paths-filter/pull/13)
+
+## v2.0.0
+- [Added support for workflows triggered by push events](https://github.com/dorny/paths-filter/pull/10)
+- Action and repository renamed to paths-filter - original name doesn't make sense anymore
+
+## v1.1.0
+- [Allows filters to be specified in own .yml file](https://github.com/dorny/paths-filter/pull/8)
+- [Adds alternative change detection using git fetch and git diff-index](https://github.com/dorny/paths-filter/pull/9)
+
+## v1.0.1
+Updated dependencies - fixes github security alert
+
+## v1.0.0
+First official release uploaded to marketplace.
--- a/README.md
+++ b/README.md
@@ -7,12 +7,12 @@
 With this [Github Action](https://github.com/features/actions) you can execute your workflow steps only if relevant files are modified.

 It saves time and resources especially in monorepo setups, where you can run slow tasks (e.g. integration tests or deployments) only for changed components.
-Github workflows built-in [path filters](https://help.github.com/en/actions/referenceworkflow-syntax-for-github-actions#onpushpull_requestpaths)
+Github workflows built-in [path filters](https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions#onpushpull_requestpaths)
 doesn't allow this because they doesn't work on a level of individual jobs or steps.

 Action supports workflows triggered by:
- Pull request: changes are detected against the base branch
- Push: changes are detected against the most recent commit on the same branch before the push
+- **[pull_request](https://help.github.com/en/actions/reference/events-that-trigger-workflows#pull-request-event-pull_request)**: changes are detected against the base branch
+- **[push](https://help.github.com/en/actions/reference/events-that-trigger-workflows#push-event-push)**: changes are detected against the most recent commit on the same branch before the push

 ## Usage

@@ -33,6 +33,7 @@ Output variables can be later used in the `if` clause to conditionally run speci
 ### Notes
 - minimatch [dot](https://www.npmjs.com/package/minimatch#dot) option is set to true - therefore
  globbing will match also paths where file or folder name starts with a dot.
+- You can use YAML anchors to reuse path expression(s) inside another rule. See example in the tests.

 ### Example
 ```yaml
@@ -41,9 +42,6 @@ on:
    branches:
      - master
  pull_request:
-    types:
-      - opened
-      - synchronize
    branches:
      - master
 jobs:
@@ -51,7 +49,7 @@ jobs:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v2
-    - uses: dorny/paths-filter@v2.0.0
+    - uses: dorny/paths-filter@v2.1.0
      id: filter
      with:
        # inline YAML or path to separate file (e.g.: .github/filters.yaml)
--- a/tests/main.test.ts
+++ b/tests/main.test.ts
@@ -90,4 +90,18 @@ describe('matching tests', () => {
    const match = filter.match(['.test/.test.js'])
    expect(match.dot).toBeTruthy()
  })
+
+  test('matches path based on rules included using YAML anchor', () => {
+    const yaml = `
+    shared: &shared
+      - common/**/*
+      - config/**/*
+    src:
+      - *shared
+      - src/**/*
+    `
+    let filter = new Filter(yaml)
+    const match = filter.match(['config/settings.yml'])
+    expect(match.src).toBeTruthy()
+  })
 })
--- a/dist/index.js
+++ b/dist/index.js
@@ -4654,10 +4654,11 @@ class Filter {
            dot: true
        };
        for (const name of Object.keys(doc)) {
-            const patterns = doc[name];
-            if (!Array.isArray(patterns)) {
+            const patternsNode = doc[name];
+            if (!Array.isArray(patternsNode)) {
                this.throwInvalidFormatError();
            }
+            const patterns = flat(patternsNode);
            if (!patterns.every(x => typeof x === 'string')) {
                this.throwInvalidFormatError();
            }
@@ -4678,6 +4679,11 @@ class Filter {
    }
 }
 exports.default = Filter;
+// Creates a new array with all sub-array elements recursively concatenated
+// In future could be replaced by Array.prototype.flat (supported on Node.js 11+)
+function flat(arr) {
+    return arr.reduce((acc, val) => acc.concat(Array.isArray(val) ? flat(val) : val), []);
+}


 /***/ }),
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,5 +1,5 @@
 {
-  "name": "pr-changed-files-filter",
+  "name": "paths-filter",
  "version": "1.0.0",
  "lockfileVersion": 1,
  "requires": true,
@@ -3897,33 +3897,33 @@
      }
    },
    "@typescript-eslint/experimental-utils": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-3.0.0.tgz",
-      "integrity": "sha512-BN0vmr9N79M9s2ctITtChRuP1+Dls0x/wlg0RXW1yQ7WJKPurg6X3Xirv61J2sjPif4F8SLsFMs5Nzte0WYoTQ==",
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/experimental-utils/-/experimental-utils-3.3.0.tgz",
+      "integrity": "sha512-d4pGIAbu/tYsrPrdHCQ5xfadJGvlkUxbeBB56nO/VGmEDi/sKmfa5fGty5t5veL1OyJBrUmSiRn1R1qfVDydrg==",
      "dev": true,
      "requires": {
        "@types/json-schema": "^7.0.3",
-        "@typescript-eslint/typescript-estree": "3.0.0",
+        "@typescript-eslint/typescript-estree": "3.3.0",
        "eslint-scope": "^5.0.0",
        "eslint-utils": "^2.0.0"
      }
    },
    "@typescript-eslint/parser": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-3.0.0.tgz",
-      "integrity": "sha512-8RRCA9KLxoFNO0mQlrLZA0reGPd/MsobxZS/yPFj+0/XgMdS8+mO8mF3BDj2ZYQj03rkayhSJtF1HAohQ3iylw==",
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-3.3.0.tgz",
+      "integrity": "sha512-a7S0Sqn/+RpOOWTcaLw6RD4obsharzxmgMfdK24l364VxuBODXjuJM7ImCkSXEN7oz52aiZbXSbc76+2EsE91w==",
      "dev": true,
      "requires": {
        "@types/eslint-visitor-keys": "^1.0.0",
-        "@typescript-eslint/experimental-utils": "3.0.0",
-        "@typescript-eslint/typescript-estree": "3.0.0",
+        "@typescript-eslint/experimental-utils": "3.3.0",
+        "@typescript-eslint/typescript-estree": "3.3.0",
        "eslint-visitor-keys": "^1.1.0"
      }
    },
    "@typescript-eslint/typescript-estree": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-3.0.0.tgz",
-      "integrity": "sha512-nevQvHyNghsfLrrByzVIH4ZG3NROgJ8LZlfh3ddwPPH4CH7W4GAiSx5qu+xHuX5pWsq6q/eqMc1io840ZhAnUg==",
+      "version": "3.3.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-3.3.0.tgz",
+      "integrity": "sha512-3SqxylENltEvJsjjMSDCUx/edZNSC7wAqifUU1Ywp//0OWEZwMZJfecJud9XxJ/40rAKEbJMKBOQzeOjrLJFzQ==",
      "dev": true,
      "requires": {
        "debug": "^4.1.1",
@@ -3956,9 +3956,9 @@
      "dev": true
    },
    "acorn": {
-      "version": "6.4.1",
-      "resolved": "https://registry.npmjs.org/acorn/-/acorn-6.4.1.tgz",
-      "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
+      "version": "7.3.1",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-7.3.1.tgz",
+      "integrity": "sha512-tLc0wSnatxAQHVHUapaHdz72pi9KUyHjq5KyHjGg9Y8Ifdc79pTh2XvI6I1/chZbnM7QtNKzh66ooDogPZSleA==",
      "dev": true
    },
    "acorn-globals": {
@@ -4003,6 +4003,12 @@
        "uri-js": "^4.2.2"
      }
    },
+    "ansi-colors": {
+      "version": "3.2.4",
+      "resolved": "https://registry.npmjs.org/ansi-colors/-/ansi-colors-3.2.4.tgz",
+      "integrity": "sha512-hHUXGagefjN2iRrID63xckIvotOXOojhQKWIPUZ4mNUZ9nLZW+7FMNoE1lOkEhNWYsx/7ysGIuJYCiMAA9FnrA==",
+      "dev": true
+    },
    "ansi-escapes": {
      "version": "3.2.0",
      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.2.0.tgz",
@@ -5419,6 +5425,15 @@
        "once": "^1.4.0"
      }
    },
+    "enquirer": {
+      "version": "2.3.5",
+      "resolved": "https://registry.npmjs.org/enquirer/-/enquirer-2.3.5.tgz",
+      "integrity": "sha512-BNT1C08P9XD0vNg3J475yIUG+mVdp9T6towYFHUv897X0KoHBjB1shyrNmhmtHWKP17iSWgo7Gqh7BBuzLZMSA==",
+      "dev": true,
+      "requires": {
+        "ansi-colors": "^3.2.1"
+      }
+    },
    "error-ex": {
      "version": "1.3.2",
      "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.2.tgz",
@@ -5487,79 +5502,214 @@
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    },
    "eslint": {
-      "version": "5.16.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-5.16.0.tgz",
-      "integrity": "sha512-S3Rz11i7c8AA5JPv7xAH+dOyq/Cu/VXHiHXBPOU1k/JAM5dXqQPt3qcrhpHSorXmrpu2g0gkIBVXAqCpzfoZIg==",
+      "version": "7.3.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-7.3.0.tgz",
+      "integrity": "sha512-dJMVXwfU5PT1cj2Nv2VPPrKahKTGdX+5Dh0Q3YuKt+Y2UhdL2YbzsVaBMyG9HC0tBismlv/r1+eZqs6SMIV38Q==",
      "dev": true,
      "requires": {
        "@babel/code-frame": "^7.0.0",
-        "ajv": "^6.9.1",
-        "chalk": "^2.1.0",
-        "cross-spawn": "^6.0.5",
+        "ajv": "^6.10.0",
+        "chalk": "^4.0.0",
+        "cross-spawn": "^7.0.2",
        "debug": "^4.0.1",
        "doctrine": "^3.0.0",
-        "eslint-scope": "^4.0.3",
-        "eslint-utils": "^1.3.1",
-        "eslint-visitor-keys": "^1.0.0",
-        "espree": "^5.0.1",
-        "esquery": "^1.0.1",
+        "enquirer": "^2.3.5",
+        "eslint-scope": "^5.1.0",
+        "eslint-utils": "^2.0.0",
+        "eslint-visitor-keys": "^1.2.0",
+        "espree": "^7.1.0",
+        "esquery": "^1.2.0",
        "esutils": "^2.0.2",
        "file-entry-cache": "^5.0.1",
        "functional-red-black-tree": "^1.0.1",
-        "glob": "^7.1.2",
-        "globals": "^11.7.0",
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+        "globals": "^12.1.0",
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        "import-fresh": "^3.0.0",
        "imurmurhash": "^0.1.4",
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-        "js-yaml": "^3.13.0",
+        "is-glob": "^4.0.0",
+        "js-yaml": "^3.13.1",
        "json-stable-stringify-without-jsonify": "^1.0.1",
-        "levn": "^0.3.0",
-        "lodash": "^4.17.11",
+        "levn": "^0.4.1",
+        "lodash": "^4.17.14",
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-        "mkdirp": "^0.5.1",
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          "dev": true
+        },
+        "shebang-command": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
+          "integrity": "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==",
+          "dev": true,
+          "requires": {
+            "shebang-regex": "^3.0.0"
+          }
+        },
+        "shebang-regex": {
+          "version": "3.0.0",
+          "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-3.0.0.tgz",
+          "integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==",
+          "dev": true
+        },
+        "strip-ansi": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.0.tgz",
+          "integrity": "sha512-AuvKTrTfQNYNIctbR1K/YGTR1756GycPsg7b9bdV9Duqur4gv6aKqHXah67Z8ImS7WEz5QVcOtlfW2rZEugt6w==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^5.0.0"
+          }
+        },
+        "supports-color": {
+          "version": "7.1.0",
+          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.1.0.tgz",
+          "integrity": "sha512-oRSIpR8pxT1Wr2FquTNnGet79b3BWljqOuoW/h4oBhxJ/HUbX5nX6JSruTkvXDCFMwDPvsaTTbvMLKZWSy0R5g==",
+          "dev": true,
+          "requires": {
+            "has-flag": "^4.0.0"
+          }
+        },
+        "type-check": {
+          "version": "0.4.0",
+          "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
+          "integrity": "sha512-XleUoc9uwGXqjWwXaUTZAmzMcFZ5858QA2vvx1Ur5xIcixXIP+8LnFDgRplU30us6teqdlskFfu+ae4K79Ooew==",
+          "dev": true,
+          "requires": {
+            "prelude-ls": "^1.2.1"
+          }
+        },
+        "which": {
+          "version": "2.0.2",
+          "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
+          "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+          "dev": true,
+          "requires": {
+            "isexe": "^2.0.0"
+          }
        }
      }
    },
@@ -5927,9 +6077,9 @@
      "dev": true
    },
    "eslint-scope": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.0.0.tgz",
-      "integrity": "sha512-oYrhJW7S0bxAFDvWqzvMPRm6pcgcnWc4QnofCAqRTRfQC0JcwenzGglTtsLyIuuWFfkqDG9vz67cnttSd53djw==",
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.1.0.tgz",
+      "integrity": "sha512-iiGRvtxWqgtx5m8EyQUJihBloE4EnYeGE/bz1wSPwJE6tZuJUtHlhqDM4Xj2ukE8Dyy1+HCZ4hE0fzIVMzb58w==",
      "dev": true,
      "requires": {
        "esrecurse": "^4.1.0",
@@ -5937,9 +6087,9 @@
      }
    },
    "eslint-utils": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-2.0.0.tgz",
-      "integrity": "sha512-0HCPuJv+7Wv1bACm8y5/ECVfYdfsAm9xmVb7saeFlxjPYALefjhbYoCkBjPdPzGH8wWyTpAez82Fh3VKYEZ8OA==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-2.1.0.tgz",
+      "integrity": "sha512-w94dQYoauyvlDc43XnGB8lU3Zt713vNChgt4EWwhXAP2XkBvndfxF0AgIqKOOasjPIPzj9JqgwkwbCYD0/V3Zg==",
      "dev": true,
      "requires": {
        "eslint-visitor-keys": "^1.1.0"
@@ -5952,14 +6102,22 @@
      "dev": true
    },
    "espree": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/espree/-/espree-5.0.1.tgz",
-      "integrity": "sha512-qWAZcWh4XE/RwzLJejfcofscgMc9CamR6Tn1+XRXNzrvUSSbiAjGOI/fggztjIi7y9VLPqnICMIPiGyr8JaZ0A==",
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/espree/-/espree-7.1.0.tgz",
+      "integrity": "sha512-dcorZSyfmm4WTuTnE5Y7MEN1DyoPYy1ZR783QW1FJoenn7RailyWFsq/UL6ZAAA7uXurN9FIpYyUs3OfiIW+Qw==",
      "dev": true,
      "requires": {
-        "acorn": "^6.0.7",
-        "acorn-jsx": "^5.0.0",
-        "eslint-visitor-keys": "^1.0.0"
+        "acorn": "^7.2.0",
+        "acorn-jsx": "^5.2.0",
+        "eslint-visitor-keys": "^1.2.0"
+      },
+      "dependencies": {
+        "eslint-visitor-keys": {
+          "version": "1.3.0",
+          "resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.3.0.tgz",
+          "integrity": "sha512-6J72N8UNa462wa/KFODt/PJ3IU60SDpC3QXC1Hjc1BXXpfL2C9R5+AU7jhe0F6GREqVMh4Juu+NY7xn+6dipUQ==",
+          "dev": true
+        }
      }
    },
    "esprima": {
@@ -6486,6 +6644,15 @@
        "path-is-absolute": "^1.0.0"
      }
    },
+    "glob-parent": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.1.tgz",
+      "integrity": "sha512-FnI+VGOpnlGHWZxthPGR+QhR78fuiK0sNLkHQv+bL9fQi57lNNdquIbna/WrfROrolq8GK5Ek6BiMwqL/voRYQ==",
+      "dev": true,
+      "requires": {
+        "is-glob": "^4.0.1"
+      }
+    },
    "globals": {
      "version": "11.12.0",
      "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
@@ -12781,12 +12948,6 @@
      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
      "dev": true
    },
-    "path-is-inside": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/path-is-inside/-/path-is-inside-1.0.2.tgz",
-      "integrity": "sha1-NlQX3t5EQw0cEa9hAn+s8HS9/FM=",
-      "dev": true
-    },
    "path-key": {
      "version": "2.0.1",
      "resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
@@ -13862,9 +14023,9 @@
      "dev": true
    },
    "strip-json-comments": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.0.tgz",
+      "integrity": "sha512-e6/d0eBu7gHtdCqFt0xJr642LdToM5/cN4Qb9DbHjVx1CP5RyeM+zH7pbecEmDv/lBqb0QH+6Uqq75rxFPkM0w==",
      "dev": true
    },
    "supports-color": {
@@ -14317,6 +14478,12 @@
      "dev": true,
      "optional": true
    },
+    "v8-compile-cache": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.1.tgz",
+      "integrity": "sha512-8OQ9CL+VWyt3JStj7HX7/ciTL2V3Rl1Wf5OL+SNTm0yK1KvtReVulksyeRnCANHHuUxHlQig+JJDlUhBt1NQDQ==",
+      "dev": true
+    },
    "v8-to-istanbul": {
      "version": "4.1.4",
      "resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-4.1.4.tgz",
--- a/package.json
+++ b/package.json
@@ -36,9 +36,9 @@
    "@types/js-yaml": "^3.12.4",
    "@types/minimatch": "^3.0.3",
    "@types/node": "^14.0.5",
-    "@typescript-eslint/parser": "^3.0.0",
+    "@typescript-eslint/parser": "^3.3.0",
    "@zeit/ncc": "^0.22.3",
-    "eslint": "^5.16.0",
+    "eslint": "^7.3.0",
    "eslint-plugin-github": "^2.0.0",
    "eslint-plugin-jest": "^22.21.0",
    "jest": "^26.0.1",
--- a/src/filter.ts
+++ b/src/filter.ts
@@ -15,10 +15,11 @@ export default class Filter {
    }

    for (const name of Object.keys(doc)) {
-      const patterns = doc[name] as string[]
-      if (!Array.isArray(patterns)) {
+      const patternsNode = doc[name]
+      if (!Array.isArray(patternsNode)) {
        this.throwInvalidFormatError()
      }
+      const patterns = flat(patternsNode) as string[]
      if (!patterns.every(x => typeof x === 'string')) {
        this.throwInvalidFormatError()
      }
@@ -40,3 +41,9 @@ export default class Filter {
    throw new Error('Invalid filter YAML format: Expected dictionary of string arrays')
  }
 }
+
+// Creates a new array with all sub-array elements recursively concatenated
+// In future could be replaced by Array.prototype.flat (supported on Node.js 11+)
+function flat(arr: any[]): any[] {
+  return arr.reduce((acc, val) => acc.concat(Array.isArray(val) ? flat(val) : val), [])
+}
Author	SHA1	Message	Date
Michal Dorner	7d201829e2	Support reusable paths blocks via yaml anchors (#13 ) * Add support for nested arrays of path expressions * Remove pull_request trigger type options Default value is fine: opened, synchronize, reopened * Add CHANGELOG * Update README	2020-06-19 23:39:06 +02:00
Michal Dorner	4eb15bc267	Update README Add links to pull_request / push events that trigger workflows	2020-06-15 22:15:38 +02:00
Michal Dorner	9ef7936e79	Fix URL in README	2020-06-15 21:57:00 +02:00