非常教程

Eslint参考手册

规则 | Rules

require-jsdoc

JSDoc 是一个 JavaScript API 文档生成器。它在代码中使用特殊格式的注释来自动生成 API 文档。例如,这是一个 JSDoc 注释对于函数的外观:

/**
 * Adds two numbers together.
 * @param {int} num1 The first number.
 * @param {int} num2 The second number.
 * @returns {int} The sum of the two numbers.
 */
function sum(num1, num2) {
    return num1 + num2;
}

一些风格的指南要求所有函数都使用 JSDoc 注释来解释函数行为。

规则细节

此规则需要指定节点的 JSDoc 注释。支持的节点:

  • "FunctionDeclaration"
  • "ClassDeclaration"
  • "MethodDefinition"
  • "ArrowFunctionExpression"
  • "FunctionExpression"

选项

该规则具有单个对象选项:

  • "require" 需要对于特殊指定的代码JSDoc的解释默认的选项设置:{ "require-jsdoc": ["error", { "require": { "FunctionDeclaration": true, "MethodDefinition": false, "ClassDeclaration": false, "ArrowFunctionExpression": false, "FunctionExpression": false } }] }requireExamples 不正确的代码与此规则的 { "require": { "FunctionDeclaration": true, "MethodDefinition": true, "ClassDeclaration": true, "ArrowFunctionExpression": true, "FunctionExpression": true } } option:/*eslint "require-jsdoc": ["error", { "require": { "FunctionDeclaration": true, "MethodDefinition": true, "ClassDeclaration": true, "ArrowFunctionExpression": true, "FunctionExpression": true } }]*/ function foo() { return 10; } var foo = () => { return 10; }; class Foo { bar() { return 10; } } var foo = function() { return 10; }; var foo = { bar: function() { return 10; }, baz() { return 10; } };这个规则的正确代码的示例{ "require": { "FunctionDeclaration": true, "MethodDefinition": true, "ClassDeclaration": true, "ArrowFunctionExpression": true, "FunctionExpression": true } } option:/*eslint "require-jsdoc": ["error", { "require": { "FunctionDeclaration": true, "MethodDefinition": true, "ClassDeclaration": true, "ArrowFunctionExpression": true, "FunctionExpression": true } }]*/ /** * It returns 10 */ function foo() { return 10; } /** * It returns test + 10 * @params {int} test - some number * @returns {int} sum of test and 10 */ var foo = (test) => { return test + 10; } /** * It returns 10 */ var foo = () => { return 10; } /** * It returns 10 */ var foo = function() { return 10; } var array = [1,2,3]; array.filter(function(item) { return item > 2; }); /** * A class that can return the number 10 */ class Foo { /** * It returns 10 */ bar() { return 10; } } /** * It returns 10 */ var foo = function() { return 10; }; var foo = { /** * It returns 10 */ bar: function() { return 10; }, /** * It returns 10 */ baz() { return 10; } }; setTimeout(() => {}, 10); // 因为它是一个匿名箭头 functionWhen 不使用它如果你不需要为你的函数使用 JSDoc,那么你可以关闭这个规则。相关规则 {},10); //因为它是一个匿名箭头 functionWhen 不使用它如果你不需要为你的函数使用 JSDoc,那么你可以关闭这个规则。相关规则
  • valid-jsdoc

版本

该规则在 ESLint 1.4.0中引入。

资源

  • 规则资源
  • 文档资源

规则 | Rules相关

1.accessor-pairs
2.array-bracket-newline
3.array-bracket-spacing
4.array-callback-return
5.array-element-newline
6.arrow-body-style
7.arrow-parens
8.arrow-spacing
9.block-scoped-var
10.block-spacing
11.brace-style
12.callback-return
13.camelcase
14.capitalized-comments
15.class-methods-use-this
16.comma-dangle
17.comma-spacing
18.comma-style
19.complexity
20.computed-property-spacing
21.consistent-return
22.consistent-this
23.constructor-super
24.curly
25.default-case
26.dot-location
27.dot-notation
28.eol-last
29.eqeqeq
30.for-direction
31.func-call-spacing
32.func-name-matching
33.func-names
34.func-style
35.function-paren-newline
36.generator-star
37.generator-star-spacing
38.getter-return
39.global-require
40.global-strict
41.guard-for-in
42.handle-callback-err
43.id-blacklist
44.id-length
45.id-match
46.implicit-arrow-linebreak
47.indent
48.indent-legacy
49.init-declarations
50.jsx-quotes
51.key-spacing
52.keyword-spacing
53.line-comment-position
54.linebreak-style
55.lines-around-comment
56.lines-around-directive
57.lines-between-class-members
58.max-depth
59.max-len
60.max-lines
61.max-nested-callbacks
62.max-params
63.max-statements
64.max-statements-per-line
65.multiline-comment-style
66.multiline-ternary
67.new-cap
68.new-parens
69.newline-after-var
70.newline-before-return
71.newline-per-chained-call
72.no-alert
73.no-array-constructor
74.no-arrow-condition
75.no-await-in-loop
76.no-bitwise
77.no-buffer-constructor
78.no-caller
79.no-case-declarations
80.no-catch-shadow
81.no-class-assign
82.no-comma-dangle
83.no-compare-neg-zero
84.no-cond-assign
85.no-confusing-arrow
86.no-console
87.no-const-assign
88.no-constant-condition
89.no-continue
90.no-control-regex
91.no-debugger
92.no-delete-var
93.no-div-regex
94.no-dupe-args
95.no-dupe-class-members
96.no-dupe-keys
97.no-duplicate-case
98.no-duplicate-imports
99.no-else-return
100.no-empty
Eslint

ESLint 是一个代码规范和错误检查工具,有以下几个特性。所有东西都是可以插拔的。你可以调用任意的 rule api 或者 formatter api 去打包或者定义 rule or formatter。任意的 rule 都是独立的。没有特定的 coding style,你可以自己配置。

主页 https://eslint.org/
源码 https://github.com/eslint/eslint
发布版本 4.12.0

Eslint目录

1.指南 | Guide
2.规则 | Rules