Do not use module.parent for resolving rule name (#188)

`module.parent` is cached after the first `require` and this results in nearly
all rules having the URL to `assertion-arguments`.

rules/assertion-arguments.js

@@ -150,7 +150,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		},
 		schema
 	}

rules/assertion-message.js

@@ -68,7 +68,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl('assertion-message', '4211212daf1bfcfff3ebc5d4efdc4ba1a87acbf1')
+			url: util.getDocsUrl(__filename, '4211212daf1bfcfff3ebc5d4efdc4ba1a87acbf1')
 		},
 		schema,
 		deprecated: true

rules/max-asserts.js

@@ -62,7 +62,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		},
 		schema
 	}

rules/no-async-fn-without-await.js

@@ -51,7 +51,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/no-cb-test.js

@@ -25,7 +25,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/no-duplicate-modifiers.js

@@ -46,7 +46,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/no-identical-title.js

@@ -63,7 +63,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/no-ignored-test-files.js

@@ -103,7 +103,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		},
 		schema
 	}

rules/no-invalid-end.js

@@ -27,7 +27,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/no-nested-tests.js

@@ -34,7 +34,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/no-only-test.js

@@ -33,7 +33,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		},
 		fixable: 'code'
 	}

rules/no-skip-assert.js

@@ -26,7 +26,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/no-skip-test.js

@@ -33,7 +33,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		},
 		fixable: 'code'
 	}

rules/no-statement-after-end.js

@@ -94,7 +94,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/no-todo-implementation.js

@@ -25,7 +25,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/no-todo-test.js

@@ -25,7 +25,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/no-unknown-modifiers.js

@@ -44,7 +44,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/prefer-async-await.js

@@ -52,7 +52,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/prefer-power-assert.js

@@ -82,7 +82,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/test-ended.js

@@ -44,7 +44,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/test-title.js

@@ -44,7 +44,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		},
 		schema
 	}

rules/use-t-well.js

@@ -106,7 +106,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/use-t.js

@@ -36,7 +36,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/use-test.js

@@ -41,7 +41,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

rules/use-true-false.js

@@ -88,7 +88,7 @@ module.exports = {
 	create,
 	meta: {
 		docs: {
-			url: util.getDocsUrl()
+			url: util.getDocsUrl(__filename)
 		}
 	}
 };

test/util.js

@@ -4,15 +4,15 @@ import pkg from '../package';
 
 test('returns the URL of the a named rule\'s documentation', t => {
 	const url = `https://github.com/avajs/eslint-plugin-ava/blob/v${pkg.version}/docs/rules/foo.md`;
-	t.is(util.getDocsUrl('foo'), url);
+	t.is(util.getDocsUrl('foo.js'), url);
 });
 
 test('returns the URL of the a named rule\'s documentation at a commit hash', t => {
 	const url = 'https://github.com/avajs/eslint-plugin-ava/blob/bar/docs/rules/foo.md';
-	t.is(util.getDocsUrl('foo', 'bar'), url);
+	t.is(util.getDocsUrl('foo.js', 'bar'), url);
 });
 
 test('determines the rule name from the file', t => {
 	const url = `https://github.com/avajs/eslint-plugin-ava/blob/v${pkg.version}/docs/rules/util.md`;
-	t.is(util.getDocsUrl(), url);
+	t.is(util.getDocsUrl(__filename), url);
 });

util.js

@@ -104,8 +104,8 @@ const repoUrl = 'https://github.com/avajs/eslint-plugin-ava';
  * @param  {String} ruleName The name of the rule to generate a URL for.
  * @return {String}          The URL of the rule's documentation.
  */
-const getDocsUrl = (ruleName, commitHash) => {
-	ruleName = ruleName || path.basename(module.parent.filename, '.js');
+const getDocsUrl = (filename, commitHash) => {
+	const ruleName = path.basename(filename, '.js');
 	commitHash = commitHash || `v${pkg.version}`;
 	return `${repoUrl}/blob/${commitHash}/docs/rules/${ruleName}.md`;
 };