feat(regex): EXT_JSON_REGEX

Signed-off-by: Lexus Drumgold <[email protected]>

Author: unicornware

src/regex/__snapshots__/json.snap

@@ -0,0 +1,91 @@
+// Vitest Snapshot v1
+
+exports[`unit:EXT_JSON_REGEX > .json > should match extension ".json" 1`] = `
+{
+  "0": ".json",
+  "1": undefined,
+  "groups": {
+    "type": undefined,
+  },
+}
+`;
+
+exports[`unit:EXT_JSON_REGEX > .json > should match module id given last extension is ".json" 1`] = `
+{
+  "0": ".json",
+  "1": undefined,
+  "groups": {
+    "type": undefined,
+  },
+}
+`;
+
+exports[`unit:EXT_JSON_REGEX > .json > should match module id given only extension is ".json" 1`] = `
+{
+  "0": ".json",
+  "1": undefined,
+  "groups": {
+    "type": undefined,
+  },
+}
+`;
+
+exports[`unit:EXT_JSON_REGEX > .json5 > should match extension ".json5" 1`] = `
+{
+  "0": ".json5",
+  "1": "5",
+  "groups": {
+    "type": "5",
+  },
+}
+`;
+
+exports[`unit:EXT_JSON_REGEX > .json5 > should match module id given last extension is ".json5" 1`] = `
+{
+  "0": ".json5",
+  "1": "5",
+  "groups": {
+    "type": "5",
+  },
+}
+`;
+
+exports[`unit:EXT_JSON_REGEX > .json5 > should match module id given only extension is ".json5" 1`] = `
+{
+  "0": ".json5",
+  "1": "5",
+  "groups": {
+    "type": "5",
+  },
+}
+`;
+
+exports[`unit:EXT_JSON_REGEX > .jsonc > should match extension ".jsonc" 1`] = `
+{
+  "0": ".jsonc",
+  "1": "c",
+  "groups": {
+    "type": "c",
+  },
+}
+`;
+
+exports[`unit:EXT_JSON_REGEX > .jsonc > should match module id given last extension is ".jsonc" 1`] = `
+{
+  "0": ".jsonc",
+  "1": "c",
+  "groups": {
+    "type": "c",
+  },
+}
+`;
+
+exports[`unit:EXT_JSON_REGEX > .jsonc > should match module id given only extension is ".jsonc" 1`] = `
+{
+  "0": ".jsonc",
+  "1": "c",
+  "groups": {
+    "type": "c",
+  },
+}
+`;

src/regex/__tests__/json.spec-d.ts

@@ -0,0 +1,12 @@
+/**
+ * @file Type Tests - EXT_JSON_REGEX
+ * @module ext-regex/regex/tests/unit-d/json
+ */
+
+import type TEST_SUBJECT from '../json'
+
+describe('unit-d:EXT_JSON_REGEX', () => {
+  it('should be instance of RegExp', () => {
+    expectTypeOf<typeof TEST_SUBJECT>().toEqualTypeOf<RegExp>()
+  })
+})

src/regex/__tests__/json.spec.ts

@@ -0,0 +1,50 @@
+/**
+ * @file Unit Tests - EXT_JSON_REGEX
+ * @module ext-regex/regex/tests/unit/json
+ */
+
+import TEST_SUBJECT from '../json'
+
+describe('unit:EXT_JSON_REGEX', () => {
+  describe('.json', () => {
+    it('should match extension ".json"', () => {
+      expect(TEST_SUBJECT.exec('.json')).toMatchSnapshot()
+    })
+
+    it('should match module id given last extension is ".json"', () => {
+      expect(TEST_SUBJECT.exec('build.config.json')).toMatchSnapshot()
+    })
+
+    it('should match module id given only extension is ".json"', () => {
+      expect(TEST_SUBJECT.exec('package.json')).toMatchSnapshot()
+    })
+  })
+
+  describe('.json5', () => {
+    it('should match extension ".json5"', () => {
+      expect(TEST_SUBJECT.exec('.json5')).toMatchSnapshot()
+    })
+
+    it('should match module id given last extension is ".json5"', () => {
+      expect(TEST_SUBJECT.exec('build.config.json5')).toMatchSnapshot()
+    })
+
+    it('should match module id given only extension is ".json5"', () => {
+      expect(TEST_SUBJECT.exec('.markdownlint.json5')).toMatchSnapshot()
+    })
+  })
+
+  describe('.jsonc', () => {
+    it('should match extension ".jsonc"', () => {
+      expect(TEST_SUBJECT.exec('.jsonc')).toMatchSnapshot()
+    })
+
+    it('should match module id given last extension is ".jsonc"', () => {
+      expect(TEST_SUBJECT.exec('build.config.jsonc')).toMatchSnapshot()
+    })
+
+    it('should match module id given only extension is ".jsonc"', () => {
+      expect(TEST_SUBJECT.exec('.markdownlint.jsonc')).toMatchSnapshot()
+    })
+  })
+})

src/regex/index.ts

@@ -5,4 +5,5 @@
 
 export { default as EXT_DTS_REGEX } from './dts'
 export { default as EXT_JS_REGEX } from './js'
+export { default as EXT_JSON_REGEX } from './json'
 export { default as EXT_TS_REGEX } from './ts'

src/regex/json.ts

@@ -0,0 +1,25 @@
+/**
+ * @file Regular EXPRESSIONS - EXT_JSON_REGEX
+ * @module ext-regex/regex/json
+ */
+
+/**
+ * JSON file extension regex.
+ *
+ * Supported extensions:
+ *
+ * - `.json`
+ * - `.json5`
+ * - `.jsonc`
+ *
+ * Captured groups:
+ *
+ * - `type`: Character after `'json'` in file extension
+ *
+ * @see https://regex101.com/r/YVxapd
+ *
+ * @const {RegExp} EXT_JSON_REGEX
+ */
+const EXT_JSON_REGEX: RegExp = /\.json(?<type>[5c])?(?=\s*$)/
+
+export default EXT_JSON_REGEX