forked from antfu/eslint-config
-
Notifications
You must be signed in to change notification settings - Fork 0
/
typescript.ts
191 lines (182 loc) · 5.78 KB
/
typescript.ts
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
import type {
OptionsComponentExts,
OptionsFiles,
OptionsOverrides,
OptionsProjectType,
OptionsTypeScriptParserOptions,
OptionsTypeScriptWithTypes,
TypedFlatConfigItem,
} from "../types";
import process from "node:process";
import { GLOB_TS, GLOB_TSX } from "../globs";
import { pluginAntfu } from "../plugins";
import { interopDefault, renameRules } from "../utils";
export async function typescript(
options: OptionsFiles &
OptionsComponentExts &
OptionsOverrides &
OptionsTypeScriptWithTypes &
OptionsTypeScriptParserOptions &
OptionsProjectType = {},
): Promise<TypedFlatConfigItem[]> {
const {
componentExts = [],
overrides = {},
overridesTypeAware = {},
parserOptions = {},
type = "app",
} = options;
const files = options.files ?? [
GLOB_TS,
GLOB_TSX,
...componentExts.map((ext) => `**/*.${ext}`),
];
const filesTypeAware = options.filesTypeAware ?? [GLOB_TS, GLOB_TSX];
const ignoresTypeAware = options.ignoresTypeAware ?? [];
const tsconfigPath = options?.tsconfigPath;
const isTypeAware = !!tsconfigPath;
const typeAwareRules: TypedFlatConfigItem["rules"] = {
"dot-notation": "off",
"no-implied-eval": "off",
"ts/await-thenable": "error",
"ts/dot-notation": ["error", { allowKeywords: true }],
"ts/no-floating-promises": "error",
"ts/no-for-in-array": "error",
"ts/no-implied-eval": "error",
"ts/no-misused-promises": "error",
"ts/no-unnecessary-type-assertion": "error",
"ts/no-unsafe-argument": "error",
"ts/no-unsafe-assignment": "error",
"ts/no-unsafe-call": "error",
"ts/no-unsafe-member-access": "error",
"ts/no-unsafe-return": "error",
"ts/restrict-plus-operands": "error",
"ts/restrict-template-expressions": "error",
"ts/unbound-method": "error",
};
const [pluginTs, parserTs] = await Promise.all([
interopDefault(import("@typescript-eslint/eslint-plugin")),
interopDefault(import("@typescript-eslint/parser")),
] as const);
function makeParser(
typeAware: boolean,
files: string[],
ignores?: string[],
): TypedFlatConfigItem {
return {
files,
...(ignores ? { ignores } : {}),
languageOptions: {
parser: parserTs,
parserOptions: {
extraFileExtensions: componentExts.map((ext) => `.${ext}`),
sourceType: "module",
...(typeAware
? {
projectService: {
allowDefaultProject: ["./*.js"],
defaultProject: tsconfigPath,
},
tsconfigRootDir: process.cwd(),
}
: {}),
...(parserOptions as any),
},
},
name: `in5net/typescript/${typeAware ? "type-aware-parser" : "parser"}`,
};
}
return [
{
// Install the plugins without globs, so they can be configured separately.
name: "in5net/typescript/setup",
plugins: {
antfu: pluginAntfu,
ts: pluginTs as any,
},
},
// Assign type-aware parser for type-aware files and type-unaware parser for the rest
...(isTypeAware
? [
makeParser(true, filesTypeAware, ignoresTypeAware),
makeParser(false, files, filesTypeAware),
]
: [makeParser(false, files)]),
{
files,
name: "in5net/typescript/rules",
rules: {
...renameRules(
pluginTs.configs["eslint-recommended"].overrides![0].rules!,
{ "@typescript-eslint": "ts" },
),
...renameRules(pluginTs.configs.strict.rules!, {
"@typescript-eslint": "ts",
}),
"antfu/no-ts-export-equal": "error",
"default-param-last": "off",
"import/default": "off", // Doesn't work with TypeScript
"import/export": "error", // Doesn't work with TypeScript
"no-dupe-class-members": "off",
"no-redeclare": "off",
"no-unused-expressions": "off",
"no-use-before-define": "off",
"no-useless-constructor": "off",
"ts/array-type": ["error", { default: "array-simple" }],
"ts/ban-ts-comment": [
"error",
{ "ts-expect-error": "allow-with-description" },
],
"ts/consistent-type-definitions": ["error", "interface"],
"ts/default-param-last": "error",
"ts/member-ordering": "warn",
"ts/method-signature-style": ["error", "property"], // https://www.totaltypescript.com/method-shorthand-syntax-considered-harmful
"ts/no-dupe-class-members": "error",
"ts/no-explicit-any": "off",
"ts/no-invalid-void-type": "off",
"ts/no-non-null-assertion": "off",
"ts/no-redeclare": "error",
"ts/no-require-imports": "error",
"ts/no-unsafe-unary-minus": "error",
"ts/no-unused-expressions": "error",
"ts/no-unused-vars": "off",
"ts/no-use-before-define": [
"error",
{ classes: false, functions: false, variables: true },
],
"ts/no-useless-empty-export": "error",
"ts/prefer-nullish-coalescing": "off",
"ts/unified-signatures": [
"error",
{ ignoreDifferentlyNamedParameters: true },
],
...(type === "lib"
? {
"ts/explicit-function-return-type": [
"error",
{
allowExpressions: true,
allowHigherOrderFunctions: true,
allowIIFEs: true,
},
],
}
: {}),
...overrides,
},
},
...(isTypeAware
? [
{
files: filesTypeAware,
ignores: ignoresTypeAware,
name: "antfu/typescript/rules-type-aware",
rules: {
...typeAwareRules,
...overridesTypeAware,
},
},
]
: []),
];
}