textlint · 3w36zj6 · Mar 1, 2026 · Jan 4, 2026 · Jan 4, 2026 · Jan 4, 2026
diff --git a/bun.lock b/bun.lock
diff --git a/package.json b/package.json
@@ -39,6 +39,7 @@
 		"esbuild": "^0.20.2",
 		"textlint-rule-period-in-list-item": "^1.0.1",
 		"textlint-rule-preset-ja-technical-writing": "^12.0.2",
+		"textlint-rule-sentence-length": "5.2.1",
 		"textlint-scripts": "^14.0.4",
 		"textlint-tester": "^14.0.4",
 		"typescript": "^5.4.3",

diff --git a/.../fixtures/smoke/textlint-rule-sentence-length/element_immediately_below_comment_valid.typ b/.../fixtures/smoke/textlint-rule-sentence-length/element_immediately_below_comment_valid.typ
@@ -0,0 +1,8 @@
+= element immediately below a comment
+
+// Single line comment
+#let some_element = _ => {
+  let this_means_nothing = "Fake"
+  let another_meaningless_variable = 12345
+  // ...
+}
diff --git a/test/integration/fixtures/smoke/textlint-rule-sentence-length/figure_valid.typ b/test/integration/fixtures/smoke/textlint-rule-sentence-length/figure_valid.typ
@@ -0,0 +1,9 @@
+= figure
+
+#figure(
+  image("glacier.jpg", width: 70%),
+  caption: [
+    _Glaciers_ form an important part
+    of the earth's climate system.
+  ],
+) <glaciers>
diff --git a/test/integration/fixtures/smoke/textlint-rule-sentence-length/list_invalid.typ b/test/integration/fixtures/smoke/textlint-rule-sentence-length/list_invalid.typ
@@ -0,0 +1,5 @@
+= sentence in list
+
+- List
+
+  Too long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long sentence.
diff --git a/test/integration/fixtures/smoke/textlint-rule-sentence-length/math_valid.typ b/test/integration/fixtures/smoke/textlint-rule-sentence-length/math_valid.typ
@@ -0,0 +1,5 @@
+= math
+
+$
+  "Too long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long math sentence."
+$
diff --git a/test/integration/fixtures/smoke/textlint-rule-sentence-length/multiline_comment_valid.typ b/test/integration/fixtures/smoke/textlint-rule-sentence-length/multiline_comment_valid.typ
@@ -0,0 +1,6 @@
+= multiline comment
+
+/*
+Multiline comments should be ignored.
+Too long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long sentence.
+*/
diff --git a/.../integration/fixtures/smoke/textlint-rule-sentence-length/nested_content_blocks_valid.typ b/.../integration/fixtures/smoke/textlint-rule-sentence-length/nested_content_blocks_valid.typ
@@ -0,0 +1,18 @@
+= nested content blocks
+
+#[
+  Some short sentence 1.
+
+  #[
+    Some short sentence 2.
+    Some short sentence 3.
+    Some short sentence 4.
+    Some short sentence 5.
+  ]
+
+  #let some_element = _ => {
+    let this_means_nothing = "Fake"
+    let another_meaningless_variable = 12345
+    // ...
+  }
+]
diff --git a/test/integration/fixtures/smoke/textlint-rule-sentence-length/nested_list_valid.typ b/test/integration/fixtures/smoke/textlint-rule-sentence-length/nested_list_valid.typ
@@ -0,0 +1,30 @@
+= nested list
+
+- Item 1
+
+  - Nested Item 1
+  - Nested Item 2
+
+- Item 2
+
+  #let some_element = _ => {
+    let this_means_nothing = "Fake"
+    let another_meaningless_variable = 12345
+    // ...
+  }
+
+- Item 3
+
+  $
+    "Too long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long math sentence."
+  $
+
+- Item 4
+
+  #figure(
+    image("glacier.jpg", width: 70%),
+    caption: [
+      _Glaciers_ form an important part
+      of the earth's climate system.
+    ],
+  ) <glaciers>
diff --git a/test/integration/fixtures/smoke/textlint-rule-sentence-length/single_line_comment_valid.typ b/test/integration/fixtures/smoke/textlint-rule-sentence-length/single_line_comment_valid.typ
@@ -0,0 +1,4 @@
+= single line comment
+
+// Single line comments should be ignored.
+// Too long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long sentence.
diff --git a/test/integration/fixtures/smoke/textlint-rule-sentence-length/term_list_invalid.typ b/test/integration/fixtures/smoke/textlint-rule-sentence-length/term_list_invalid.typ
@@ -0,0 +1,3 @@
+= sentence in term list
+
+/ Term: Too long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long sentence.
diff --git a/test/integration/fixtures/smoke/textlint-rule-sentence-length/term_list_valid.typ b/test/integration/fixtures/smoke/textlint-rule-sentence-length/term_list_valid.typ
@@ -0,0 +1,13 @@
+= term list
+
+/ Term 1: First line.
+
+  Second line.
+  Third line.
+
+  / Nested Term 1: First line.
+
+    Lorem ipsum dolor sit amet, consectetur.
+
+/ Term 2: First line.
+/ Term 3: Third line.
diff --git a/test/integration/linting.test.ts b/test/integration/linting.test.ts
@@ -12,6 +12,8 @@ import {
 	rulesConfig as textlintRulePresetJaTechnicalWritingRulesConfig,
 	// @ts-expect-error
 } from "textlint-rule-preset-ja-technical-writing";
+// @ts-expect-error
+import textlintRuleSentenceLength from "textlint-rule-sentence-length";
 
 import { beforeAll, describe, expect, it } from "vitest";
 
@@ -261,5 +263,117 @@ describe("linting", () => {
 				);
 			});
 		});
+		describe("textlint-rule-sentence-length", () => {
+			const lintFile = async (fileName: string) => {
+				const kernel = new TextlintKernel();
+				return await kernel.lintText(
+					fs.readFileSync(
+						path.join(
+							__dirname,
+							`./fixtures/smoke/textlint-rule-sentence-length/${fileName}`,
+						),
+						"utf-8",
+					),
+					{
+						ext: ".typ",
+						plugins: [
+							{
+								pluginId: "typst",
+								plugin: typstPlugin,
+							},
+						],
+						rules: [
+							{
+								ruleId: "sentence-length",
+								rule: textlintRuleSentenceLength,
+								options: {
+									max: 50,
+								},
+							},
+						],
+					},
+				);
+			};
+
+			const getViolations = (result: TextlintResult) => {
+				return result.messages.filter(
+					(message) => message.ruleId === "sentence-length",
+				);
+			};
+
+			it("should ignore single line comments", async () => {
+				const result = await lintFile("single_line_comment_valid.typ");
+				const violations = getViolations(result);
+				expect(violations).toEqual([]);
+			});
+
+			it("should ignore multiline comments", async () => {
+				const result = await lintFile("multiline_comment_valid.typ");
+				const violations = getViolations(result);
+				expect(violations).toEqual([]);
+			});
+
+			// see: https://github.com/textlint/textlint-plugin-typst/pull/31
+			it.fails(
+				"should handle elements immediately below comments",
+				async () => {
+					const result = await lintFile(
+						"element_immediately_below_comment_valid.typ",
+					);
+					const violations = getViolations(result);
+					expect(violations).toEqual([]);
+				},
+			);
+
+			it("should handle term lists", async () => {
+				const result = await lintFile("term_list_valid.typ");
+				const violations = getViolations(result);
+				expect(violations).toEqual([]);
+			});
+
+			// see: https://github.com/textlint/textlint-plugin-typst/pull/31
+			it.fails("should handle nested lists", async () => {
+				const result = await lintFile("nested_list_valid.typ");
+				const violations = getViolations(result);
+				expect(violations).toEqual([]);
+			});
+
+			it("should ignore math blocks", async () => {
+				const result = await lintFile("math_valid.typ");
+				const violations = getViolations(result);
+				expect(violations).toEqual([]);
+			});
+
+			it("should handle figures", async () => {
+				const result = await lintFile("figure_valid.typ");
+				const violations = getViolations(result);
+				expect(violations).toEqual([]);
+			});
+
+			it("should handle nested content blocks", async () => {
+				const result = await lintFile("nested_content_blocks_valid.typ");
+				const violations = getViolations(result);
+				expect(violations).toEqual([]);
+			});
+
+			it("should detect violations in lists", async () => {
+				const result = await lintFile("list_invalid.typ");
+				const violations = getViolations(result);
+				expect(
+					violations.length,
+					`Expected 1 violation but got ${violations.length}. Violations: ${JSON.stringify(violations, null, 2)}`,
+				).toBe(1);
+			});
+
+			// see: https://github.com/textlint/textlint-plugin-typst/pull/31
+			it.fails("should detect violations in term lists", async () => {
+				const result = await lintFile("term_list_invalid.typ");
+				const violations = getViolations(result);
+				expect(
+					violations.length,
+					`Expected 1 violation but got ${violations.length}. Violations: ${JSON.stringify(violations, null, 2)}`,
+				).toBe(1);
+			});
+		});
 	});
 });
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,3 @@
		= sentence in term list

		/ Term: Too long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long long sentence.