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eslint.config.js
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135 lines (133 loc) · 4.05 KB
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const globals = require("globals");
const { defineConfig, globalIgnores } = require("eslint/config");
const commonRules = {
// curly: true
curly: "error",
// eqeqeq: true + eqnull: true
eqeqeq: ["error", "always", { null: "ignore" }],
// immed: true (wrap immediately invoked function expressions)
"wrap-iife": ["error", "any"],
// latedef: true
"no-use-before-define": [
"error",
{ functions: true, classes: true, variables: true },
],
// newcap: true
"new-cap": "error",
// noarg: true
"no-caller": "error",
// undef: true
"no-undef": "error",
// trailing: true
"no-trailing-spaces": "error",
// laxbreak: true - allow line breaks before operators
"operator-linebreak": "off",
};
module.exports = defineConfig([
globalIgnores([
"test/performance_test_pages/**/*.js",
"test/fixtures/*.js",
]),
{
files: ["src/**/*.js"],
languageOptions: {
ecmaVersion: 2018,
sourceType: "script",
globals: {
...globals.browser,
util: "readonly",
proxies: "readonly",
documentUtil: "readonly",
documentHelper: "readonly",
browser: "readonly",
svg2image: "readonly",
document2svg: "readonly",
rasterize: "readonly",
// external dependencies
url: "readonly",
xmlserializer: "readonly",
sanedomparsererror: "readonly",
inlineresources: "readonly",
},
},
rules: {
...commonRules,
// unused: true - but allow exported module-level vars
"no-unused-vars": [
"error",
{
varsIgnorePattern:
"^(util|proxies|documentUtil|documentHelper|browser|svg2image|document2svg|rasterize|rasterizeHTML)$",
},
],
// strict: true
strict: ["error", "function"],
},
},
{
files: ["test/**/*.js"],
languageOptions: {
ecmaVersion: 2018,
sourceType: "script",
globals: {
...globals.browser,
...globals.node,
Promise: true,
// console etc from devel
console: true,
alert: true,
// jasmine globals
jasmine: true,
describe: true,
it: true,
xit: true,
beforeEach: true,
afterEach: true,
expect: true,
fail: true,
spyOn: true,
// project test helpers
ifNotInWebkitOrBlinkIt: true,
testHelper: true,
diffHelper: true,
// project globals
util: true,
proxies: true,
documentUtil: true,
documentHelper: true,
browser: true,
svg2image: true,
document2svg: true,
rasterize: true,
rasterizeHTML: true,
imagediff: true,
// external dependencies
inlineresources: true,
isEqual: true,
},
},
rules: {
...commonRules,
// unused: true - allow unused function parameters (common in test callbacks)
"no-unused-vars": ["error", { args: "none" }],
// strict: true - disabled in test files as they have mixed patterns
strict: "off",
},
},
{
files: ["Gruntfile.js"],
languageOptions: {
ecmaVersion: 2018,
sourceType: "script",
globals: {
...globals.node,
module: true,
},
},
rules: {
...commonRules,
"no-unused-vars": "error",
strict: "off",
},
},
]);