chore: migrate to eslint (#3086)

Signed-off-by: Akshat Patel <38994122+Akshat55@users.noreply.github.com>
Co-authored-by: Akshat Patel <38994122+Akshat55@users.noreply.github.com>
Co-authored-by: Zvonimir Fras <zvonimir@zvonimirfras.com>

Author: 3 people

eslint.config.js

@@ -0,0 +1,145 @@
+const eslint = require("@eslint/js");
+const tseslint = require("typescript-eslint");
+const angular = require("angular-eslint");
+
+module.exports = tseslint.config({
+	files: ["src/**/*.ts"],
+	extends: [
+		eslint.configs.recommended,
+		...tseslint.configs.recommended,
+		...tseslint.configs.stylistic,
+		...angular.configs.tsRecommended,
+	],
+	rules: {
+		// @todo - Enable v7/8?
+		"@angular-eslint/component-class-suffix": "off",
+		"@angular-eslint/component-selector": [
+			"error",
+			{
+				type: "element",
+				prefix: ["ibm", "cds", "app", "test"],
+				style: "kebab-case"
+			}
+		],
+		// @todo - Enable v7/8?
+		"@angular-eslint/directive-class-suffix": "off",
+		"@angular-eslint/directive-selector": [
+			"error",
+			{
+				type: "attribute",
+				prefix: ["ibm", "cds", "app", "test"],
+				style: "camelCase"
+			}
+		],
+		"@angular-eslint/no-host-metadata-property": "error",
+		"@angular-eslint/no-input-rename": "error",
+		"@angular-eslint/no-inputs-metadata-property": "error",
+		// @todo - Enable v7/8 - Need to prepare a schematic
+		"@angular-eslint/no-output-native": "warn",
+		"@angular-eslint/no-output-on-prefix": "warn",
+		"@angular-eslint/no-output-rename": "error",
+		"@angular-eslint/no-outputs-metadata-property": "error",
+		"@angular-eslint/use-lifecycle-interface": "error",
+		"@angular-eslint/use-pipe-transform-interface": "error",
+		"@angular-eslint/no-attribute-decorator": "error",
+		"@typescript-eslint/adjacent-overload-signatures": "off",
+		"@typescript-eslint/array-type": "off",
+		"@typescript-eslint/ban-ts-comment": "off",
+		"@typescript-eslint/class-literal-property-style": "off",
+		"@typescript-eslint/consistent-generic-constructors": "off",
+		"@typescript-eslint/consistent-indexed-object-style": "off",
+		"@typescript-eslint/member-ordering": [
+			"error",
+			{
+				default: [
+					"public-static-field",
+					"protected-static-field",
+					"private-static-field",
+					"public-static-method",
+					"protected-static-method",
+					"private-static-method",
+					"public-instance-field",
+					"protected-instance-field",
+					"private-instance-field",
+					"public-constructor",
+					"protected-constructor",
+					"private-constructor",
+					"public-instance-method",
+					"protected-instance-method",
+					"private-instance-method"
+				]
+			}
+		],
+		"@typescript-eslint/naming-convention": [
+			"error",
+			{
+				selector: "class",
+				format: ["PascalCase"]
+			}
+		],
+		"@typescript-eslint/no-empty-function": "off",
+		"@typescript-eslint/no-explicit-any": "off",
+		"@typescript-eslint/no-inferrable-types": "error",
+		"@typescript-eslint/no-unsafe-function-type": "off",
+		"@typescript-eslint/no-unused-vars": "off",
+		"@typescript-eslint/no-wrapper-object-types": "off",
+		"@typescript-eslint/prefer-for-of": "off",
+		"@typescript-eslint/triple-slash-reference": "off",
+		"brace-style": ["error", "1tbs", { "allowSingleLine": true }],
+		"comma-dangle": ["error", "never"],
+		"comma-spacing": ["error", { "before": false, "after": true }],
+		"curly": "error",
+		"eol-last": "error",
+		"eqeqeq": ["error", "always", { null: "ignore" }],
+		"guard-for-in": "error",
+		"indent": ["error", "tab", { "SwitchCase": 1 }],
+		"keyword-spacing": ["error", { "before": true, "after": true }],
+		"max-len": ["error", { "code": 140, "ignoreTemplateLiterals": true }],
+		"no-bitwise": "error",
+		"no-caller": "error",
+		"no-case-declarations": "error",
+		"no-console": ["warn", { "allow": ["warn", "error"] }],
+		"no-debugger": "error",
+		"no-duplicate-case": "error",
+		"no-empty": "off",
+		"no-eval": "error",
+		"no-new-wrappers": "error",
+		"no-prototype-builtins": "off",
+		"no-restricted-globals": ["error", "event", "fdescribe", "fit"],
+		"no-self-assign": "off",
+		"no-shadow": "off",
+		"no-trailing-spaces": "error",
+		"no-unused-expressions": "off",
+		"no-useless-catch": "off",
+		"no-var": "error",
+		"prefer-const": "off",
+		"quotes": ["error", "double", { "avoidEscape": true, "allowTemplateLiterals": true }],
+		"radix": "error",
+		"semi": ["error", "always"],
+		"sort-keys": "off",
+		"space-before-blocks": "error",
+		"space-before-function-paren": "off",
+		"space-infix-ops": "error",
+		"spaced-comment": "off"
+	}
+},
+	{
+		// Everything in this config object targets our HTML files (external templates,
+		// and inline templates as long as we have the `processor` set on our TypeScript config above)
+		extends: [
+			...angular.configs.templateRecommended,
+			...angular.configs.templateAccessibility,
+		],
+		files: ["**/*.html"],
+		processor: angular.processInlineTemplates,
+		rules: {
+			"max-len": "off",
+			"@angular-eslint/template/elements-content": "warn",
+			"@angular-eslint/template/label-has-associated-control": "warn",
+			"@angular-eslint/template/interactive-supports-focus": "warn",
+			"@angular-eslint/template/click-events-have-key-events": "warn",
+			"@angular-eslint/template/role-has-required-aria": "warn",
+			"@angular-eslint/template/alt-text": "warn"
+		},
+	}
+);