feat: add useCurrentYearIfMissing option to support dates without year

README.md

@@ -87,6 +87,21 @@ But, You can specify `2016-12-30` is `ja-JP` text by options
 }
 ```
 
+- `useCurrentYearIfMissing`: boolean
+    - Default: false
+    - If true, when the year is missing in the date string (e.g. `4月23日(月)`), the current year will be automatically added for validation.
+    - This is useful for documents that often omit the year in dates.
+
+```json
+{
+    "rules": {
+        "date-weekday-mismatch": {
+            "useCurrentYearIfMissing": true
+        }
+    }
+}
+```
+
 language format following ISO 639-1.
 
 e.g.) `en-US`, `en`, `ja` etc..

package.json

@@ -27,6 +27,7 @@
   },
   "homepage": "https://github.com/textlint-rule/textlint-rule-date-weekday-mismatch",
   "devDependencies": {
+    "sinon": "^20.0.0",
     "textlint-scripts": "^12.0.2"
   },
   "keywords": [

src/textlint-rule-date-weekday-mismatch.js

@@ -50,13 +50,37 @@ const detectLang = (tags, preferLang) => {
     const selectedLang = targetLangs[0];
     return selectedLang[1];
 };
+/**
+ * Add current year to date string if missing.
+ * @param {string} dateText
+ * @param {number} year
+ * @param {string} lang
+ * @returns {string}
+ */
+const addYearToDateText = (dateText, year, lang) => {
+    // Japanese: 4月23日(月) → 2024年4月23日(月)
+    if (lang === "ja") {
+        return `${year}年${dateText}`;
+    }
+    // Slash: 4/23(月) → 2024/4/23(月)
+    if (/^[0-9]{1,2}\/[0-9]{1,2}/.test(dateText)) {
+        return `${year}/${dateText}`;
+    }
+    // Dash: 4-23(Mon) → 2024-4-23(Mon)
+    if (/^[0-9]{1,2}-[0-9]{1,2}/.test(dateText)) {
+        return `${year}-${dateText}`;
+    }
+    // Default: prepend year and a space
+    return `${year} ${dateText}`;
+}
 /**
  *
  * @param context
  * @param {Object} [config]
  */
 function reporter(context, config = {}) {
     const preferLang = config.lang;
+    const useCurrentYearIfMissing = config.useCurrentYearIfMissing;
     const {Syntax, RuleError, report, fixer, getSource} = context;
     if (typeof Intl === "undefined") {
         throw new Error("Not support your Node.js/browser. should be use latest version.");
@@ -65,7 +89,31 @@ function reporter(context, config = {}) {
     return {
         [Syntax.Str](node){
             const text = getSource(node);
-            const chronoDates = chrono.parse(text);
+            let chronoDates = chrono.parse(text);
+            // Add current year if missing and option is enabled
+            if (useCurrentYearIfMissing) {
+                const currentYear = (new Date()).getFullYear();
+                chronoDates.forEach(chronoDate => {
+                    // If year is not specified in the parsed result
+                    if (
+                        chronoDate.start &&
+                        chronoDate.start.knownValues.year === undefined
+                    ) {
+                        // Detect language for the date string
+                        const lang = detectLang(Object.keys(chronoDate.tags), preferLang);
+                        if (!lang) {
+                            return;
+                        }
+                        // Re-parse the text with the year added
+                        const newText = addYearToDateText(chronoDate.text, currentYear, lang);
+                        const reparsed = chrono.parse(newText, undefined, {forwardDate: true});
+                        // If reparsed successfully, update knownValues with year/month/day
+                        if (reparsed && reparsed[0] && reparsed[0].start && reparsed[0].start.knownValues) {
+                            Object.assign(chronoDate.start.knownValues, reparsed[0].start.knownValues);
+                        }
+                    }
+                });
+            }
             // ignore "今日" text
             // ignore not valid data
             const filteredChronoDates = chronoDates.filter(textIncludesNumber).filter(yearMonthDayShouldKnownValues);

test/textlint-rule-date-weekday-mismatch-test.js

@@ -1,8 +1,19 @@
 import TextLintTester from "textlint-tester";
+import sinon from "sinon";
 
 const tester = new TextLintTester();
 // rule
 const rule = require("../src/textlint-rule-date-weekday-mismatch");
+
+// Mock: fix current date to 2025-04-23 to test `useCurrentYearIfMissing` option
+let clock;
+before(() => {
+    clock = sinon.useFakeTimers(new Date(2025, 4, 23).getTime());
+});
+after(() => {
+    clock.restore();
+});
+
 // ruleName, rule, { valid, invalid }
 tester.run("rule", rule, {
     valid: [
@@ -18,7 +29,18 @@ tester.run("rule", rule, {
         // invalid date should be ignored
         "11月 25日 (火曜日) ",
         // ignore relative word
-        "今日(火曜日)はどうしよう"
+        "今日(火曜日)はどうしよう",
+        // useCurrentYearIfMissing option: valid
+        {
+            text: "4月23日(水)",
+            options: { useCurrentYearIfMissing: true, lang: "ja" },
+            // 2025年4月23日は水曜日
+        },
+        {
+            text: "4/23(Wed)",
+            options: { useCurrentYearIfMissing: true, lang: "en" },
+            // 2025-04-23 is Wednesday
+        },
     ],
     invalid: [
         // single match
@@ -122,6 +144,30 @@ tester.run("rule", rule, {
                 }
             ]
         },
-
+        // useCurrentYearIfMissing option: invalid
+        {
+            text: "4月23日(金)",
+            output: "4月23日(水)",
+            options: { useCurrentYearIfMissing: true, lang: "ja" },
+            errors: [
+                {
+                    message: "4月23日(金) mismatch weekday.\n4月23日(金) => 4月23日(水)",
+                    line: 1,
+                    column: 7
+                }
+            ]
+        },
+        {
+            text: "4/23(Fri)",
+            output: "4/23(Wed)",
+            options: { useCurrentYearIfMissing: true, lang: "en" },
+            errors: [
+                {
+                    message: "4/23(Fri) mismatch weekday.\n4/23(Fri) => 4/23(Wed)",
+                    line: 1,
+                    column: 6
+                }
+            ]
+        },
     ]
 });

yarn.lock

@@ -993,6 +993,29 @@
     readdirp "^2.2.1"
     upath "^1.1.1"
 
+"@sinonjs/commons@^3.0.1":
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-3.0.1.tgz#1029357e44ca901a615585f6d27738dbc89084cd"
+  integrity sha512-K3mCHKQ9sVh8o1C9cxkwxaOmXoAMlDxC1mYyHrjqOWEcBjYr76t96zL2zlj5dUGZ3HSw240X1qgH3Mjf1yJWpQ==
+  dependencies:
+    type-detect "4.0.8"
+
+"@sinonjs/fake-timers@^13.0.5":
+  version "13.0.5"
+  resolved "https://registry.yarnpkg.com/@sinonjs/fake-timers/-/fake-timers-13.0.5.tgz#36b9dbc21ad5546486ea9173d6bea063eb1717d5"
+  integrity sha512-36/hTbH2uaWuGVERyC6da9YwGWnzUZXuPro/F2LfsdOsLnCojz/iSH8MxUt/FD2S5XBSVPhmArFUXcpCQ2Hkiw==
+  dependencies:
+    "@sinonjs/commons" "^3.0.1"
+
+"@sinonjs/samsam@^8.0.1":
+  version "8.0.2"
+  resolved "https://registry.yarnpkg.com/@sinonjs/samsam/-/samsam-8.0.2.tgz#e4386bf668ff36c95949e55a38dc5f5892fc2689"
+  integrity sha512-v46t/fwnhejRSFTGqbpn9u+LQ9xJDse10gNnPgAcxgdoCDMXj/G2asWAC/8Qs+BAZDicX+MNZouXT1A7c83kVw==
+  dependencies:
+    "@sinonjs/commons" "^3.0.1"
+    lodash.get "^4.4.2"
+    type-detect "^4.1.0"
+
 "@textlint/ast-node-types@^12.0.0":
   version "12.0.0"
   resolved "https://registry.yarnpkg.com/@textlint/ast-node-types/-/ast-node-types-12.0.0.tgz#23bd683f9fc04209ae28bff72954c8aa67c6b1ca"
@@ -1785,6 +1808,11 @@ diff@^4.0.2:
   resolved "https://registry.yarnpkg.com/diff/-/diff-4.0.2.tgz#60f3aecb89d5fae520c11aa19efc2bb982aade7d"
   integrity sha512-58lmxKSA4BNyLz+HHMUzlOEpg09FV+ev6ZMe3vJihgdxzgcwZ8VoEEPmALCZG9LmqfVoNMMKpttIYTVG6uDY7A==
 
+diff@^7.0.0:
+  version "7.0.0"
+  resolved "https://registry.yarnpkg.com/diff/-/diff-7.0.0.tgz#3fb34d387cd76d803f6eebea67b921dab0182a9a"
+  integrity sha512-PJWHUb1RFevKCwaFA9RlG5tCd+FO5iRh9A8HEtkmBH2Li03iJriB6m6JIN4rGz3K3JLawI7/veA1xzRKP6ISBw==
+
 ejs@^2.4.1:
   version "2.7.1"
   resolved "https://registry.yarnpkg.com/ejs/-/ejs-2.7.1.tgz#5b5ab57f718b79d4aca9254457afecd36fa80228"
@@ -2565,6 +2593,11 @@ lodash.debounce@^4.0.8:
   resolved "https://registry.yarnpkg.com/lodash.debounce/-/lodash.debounce-4.0.8.tgz#82d79bff30a67c4005ffd5e2515300ad9ca4d7af"
   integrity sha1-gteb/zCmfEAF/9XiUVMArZyk168=
 
+lodash.get@^4.4.2:
+  version "4.4.2"
+  resolved "https://registry.yarnpkg.com/lodash.get/-/lodash.get-4.4.2.tgz#2d177f652fa31e939b4438d5341499dfa3825e99"
+  integrity sha512-z+Uw/vLuy6gQe8cfaFWD7p0wVv8fJl3mbzXh33RS+0oW2wvUqiRXiQ69gLWSLpgB5/6sU+r6BlQR0MBILadqTQ==
+
 lodash.truncate@^4.4.2:
   version "4.4.2"
   resolved "https://registry.yarnpkg.com/lodash.truncate/-/lodash.truncate-4.4.2.tgz#5a350da0b1113b837ecfffd5812cbe58d6eae193"
@@ -3614,6 +3647,17 @@ signal-exit@^3.0.0:
   resolved "https://registry.yarnpkg.com/signal-exit/-/signal-exit-3.0.2.tgz#b5fdc08f1287ea1178628e415e25132b73646c6d"
   integrity sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=
 
+sinon@^20.0.0:
+  version "20.0.0"
+  resolved "https://registry.yarnpkg.com/sinon/-/sinon-20.0.0.tgz#4b653468735f7152ba694d05498c2b5d024ab006"
+  integrity sha512-+FXOAbdnj94AQIxH0w1v8gzNxkawVvNqE3jUzRLptR71Oykeu2RrQXXl/VQjKay+Qnh73fDt/oDfMo6xMeDQbQ==
+  dependencies:
+    "@sinonjs/commons" "^3.0.1"
+    "@sinonjs/fake-timers" "^13.0.5"
+    "@sinonjs/samsam" "^8.0.1"
+    diff "^7.0.0"
+    supports-color "^7.2.0"
+
 slash@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-2.0.0.tgz#de552851a1759df3a8f206535442f5ec4ddeab44"
@@ -3842,7 +3886,7 @@ supports-color@^5.3.0:
   dependencies:
     has-flag "^3.0.0"
 
-supports-color@^7.1.0:
+supports-color@^7.1.0, supports-color@^7.2.0:
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-7.2.0.tgz#1b7dcdcb32b8138801b3e478ba6a51caa89648da"
   integrity sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==
@@ -3990,6 +4034,16 @@ type-check@^0.4.0, type-check@~0.4.0:
   dependencies:
     prelude-ls "^1.2.1"
 
+[email protected]:
+  version "4.0.8"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.0.8.tgz#7646fb5f18871cfbb7749e69bd39a6388eb7450c"
+  integrity sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==
+
+type-detect@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/type-detect/-/type-detect-4.1.0.tgz#deb2453e8f08dcae7ae98c626b13dddb0155906c"
+  integrity sha512-Acylog8/luQ8L7il+geoSxhEkazvkslg7PSNKOX59mbB9cOveP5aq9h74Y7YU8yDpJwetzQQrfIwtf4Wp4LKcw==
+
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz#2619800c4c825800efdd8343af7dd9933cbe2818"