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| 1 | +/** |
| 2 | + * @fileoverview Tests for ES2025 Import Attributes. |
| 3 | + * @author Yosuke Ota |
| 4 | + */ |
| 5 | + |
| 6 | +import assert from "node:assert"; |
| 7 | +import * as espree from "espree"; |
| 8 | +import { KEYS } from "eslint-visitor-keys"; |
| 9 | +import { analyze } from "../lib/index.js"; |
| 10 | + |
| 11 | +describe("Import Attributes", () => { |
| 12 | + |
| 13 | + describe("const type = \"json\"; import pkg from \"./package.json\" with { type: \"json\" };", () => { |
| 14 | + let ast; |
| 15 | + let scopeManager; |
| 16 | + let globalScope; |
| 17 | + |
| 18 | + beforeEach(() => { |
| 19 | + ast = espree.parse("const type = \"json\"; import pkg from \"./package.json\" with { type: \"json\" };", { ecmaVersion: 16, sourceType: "module" }); |
| 20 | + scopeManager = analyze(ast, { ecmaVersion: 16, sourceType: "module", childVisitorKeys: KEYS }); |
| 21 | + ({ globalScope } = scopeManager); |
| 22 | + }); |
| 23 | + |
| 24 | + it("the global scope should not have any variables", () => { |
| 25 | + assert.strictEqual(globalScope.variables.length, 0); |
| 26 | + }); |
| 27 | + |
| 28 | + it("the global scope should have one child scope, a module scope", () => { |
| 29 | + assert.strictEqual(globalScope.childScopes.length, 1); |
| 30 | + assert.strictEqual(globalScope.childScopes[0].type, "module"); |
| 31 | + }); |
| 32 | + |
| 33 | + it("the module scope should not have any child scopes", () => { |
| 34 | + const moduleScope = globalScope.childScopes[0]; |
| 35 | + |
| 36 | + assert.strictEqual(moduleScope.childScopes.length, 0); |
| 37 | + }); |
| 38 | + |
| 39 | + it("the module scope should have two variables", () => { |
| 40 | + const moduleScope = globalScope.childScopes[0]; |
| 41 | + |
| 42 | + assert.strictEqual(moduleScope.variables.length, 2); |
| 43 | + assert.strictEqual(moduleScope.variables[0].name, "type"); |
| 44 | + assert.strictEqual(moduleScope.variables[1].name, "pkg"); |
| 45 | + }); |
| 46 | + |
| 47 | + it("the type variable should have one reference, a variable declaration", () => { |
| 48 | + const moduleScope = globalScope.childScopes[0]; |
| 49 | + const typeVariable = moduleScope.variables[0]; |
| 50 | + |
| 51 | + assert.strictEqual(typeVariable.references.length, 1); |
| 52 | + assert.strictEqual(typeVariable.references[0].identifier, ast.body[0].declarations[0].id); |
| 53 | + }); |
| 54 | + }); |
| 55 | + |
| 56 | + describe("const type = \"json\"; export * from \"./package.json\" with { type: \"json\" };", () => { |
| 57 | + let ast; |
| 58 | + let scopeManager; |
| 59 | + let globalScope; |
| 60 | + |
| 61 | + beforeEach(() => { |
| 62 | + ast = espree.parse("const type = \"json\"; export * from \"./package.json\" with { type: \"json\" };", { ecmaVersion: 16, sourceType: "module" }); |
| 63 | + scopeManager = analyze(ast, { ecmaVersion: 16, sourceType: "module", childVisitorKeys: KEYS }); |
| 64 | + ({ globalScope } = scopeManager); |
| 65 | + }); |
| 66 | + |
| 67 | + it("the global scope should not have any variables", () => { |
| 68 | + assert.strictEqual(globalScope.variables.length, 0); |
| 69 | + }); |
| 70 | + |
| 71 | + it("the global scope should have one child scope, a module scope", () => { |
| 72 | + assert.strictEqual(globalScope.childScopes.length, 1); |
| 73 | + assert.strictEqual(globalScope.childScopes[0].type, "module"); |
| 74 | + }); |
| 75 | + |
| 76 | + it("the module scope should not have any child scopes", () => { |
| 77 | + const moduleScope = globalScope.childScopes[0]; |
| 78 | + |
| 79 | + assert.strictEqual(moduleScope.childScopes.length, 0); |
| 80 | + }); |
| 81 | + |
| 82 | + it("the module scope should have one variable, a type variable", () => { |
| 83 | + const moduleScope = globalScope.childScopes[0]; |
| 84 | + |
| 85 | + assert.strictEqual(moduleScope.variables.length, 1); |
| 86 | + assert.strictEqual(moduleScope.variables[0].name, "type"); |
| 87 | + }); |
| 88 | + |
| 89 | + it("the type variable should have one reference, a variable declaration", () => { |
| 90 | + const moduleScope = globalScope.childScopes[0]; |
| 91 | + const typeVariable = moduleScope.variables[0]; |
| 92 | + |
| 93 | + assert.strictEqual(typeVariable.references.length, 1); |
| 94 | + assert.strictEqual(typeVariable.references[0].identifier, ast.body[0].declarations[0].id); |
| 95 | + }); |
| 96 | + }); |
| 97 | + |
| 98 | + |
| 99 | + describe("const type = \"json\"; export { default } from \"./package.json\" with { type: \"json\" };", () => { |
| 100 | + let ast; |
| 101 | + let scopeManager; |
| 102 | + let globalScope; |
| 103 | + |
| 104 | + beforeEach(() => { |
| 105 | + ast = espree.parse("const type = \"json\"; export { default } from \"./package.json\" with { type: \"json\" };", { ecmaVersion: 16, sourceType: "module" }); |
| 106 | + scopeManager = analyze(ast, { ecmaVersion: 16, sourceType: "module", childVisitorKeys: KEYS }); |
| 107 | + ({ globalScope } = scopeManager); |
| 108 | + }); |
| 109 | + |
| 110 | + it("the global scope should not have any variables", () => { |
| 111 | + assert.strictEqual(globalScope.variables.length, 0); |
| 112 | + }); |
| 113 | + |
| 114 | + it("the global scope should have one child scope, a module scope", () => { |
| 115 | + assert.strictEqual(globalScope.childScopes.length, 1); |
| 116 | + assert.strictEqual(globalScope.childScopes[0].type, "module"); |
| 117 | + }); |
| 118 | + |
| 119 | + it("the module scope should not have any child scopes", () => { |
| 120 | + const moduleScope = globalScope.childScopes[0]; |
| 121 | + |
| 122 | + assert.strictEqual(moduleScope.childScopes.length, 0); |
| 123 | + }); |
| 124 | + |
| 125 | + it("the module scope should have one variable, a type variable", () => { |
| 126 | + const moduleScope = globalScope.childScopes[0]; |
| 127 | + |
| 128 | + assert.strictEqual(moduleScope.variables.length, 1); |
| 129 | + assert.strictEqual(moduleScope.variables[0].name, "type"); |
| 130 | + }); |
| 131 | + |
| 132 | + it("the type variable should have one reference, a variable declaration", () => { |
| 133 | + const moduleScope = globalScope.childScopes[0]; |
| 134 | + const typeVariable = moduleScope.variables[0]; |
| 135 | + |
| 136 | + assert.strictEqual(typeVariable.references.length, 1); |
| 137 | + assert.strictEqual(typeVariable.references[0].identifier, ast.body[0].declarations[0].id); |
| 138 | + }); |
| 139 | + }); |
| 140 | + |
| 141 | + |
| 142 | + describe("const type = \"json\"; import(\"./package.json\", { with: { type } });", () => { |
| 143 | + let ast; |
| 144 | + let scopeManager; |
| 145 | + let globalScope; |
| 146 | + |
| 147 | + beforeEach(() => { |
| 148 | + ast = espree.parse("const type = \"json\"; import(\"./package.json\", { with: { type } });", { ecmaVersion: 16, sourceType: "module" }); |
| 149 | + scopeManager = analyze(ast, { ecmaVersion: 16, sourceType: "module", childVisitorKeys: KEYS }); |
| 150 | + ({ globalScope } = scopeManager); |
| 151 | + }); |
| 152 | + |
| 153 | + it("the global scope should not have any variables", () => { |
| 154 | + assert.strictEqual(globalScope.variables.length, 0); |
| 155 | + }); |
| 156 | + |
| 157 | + it("the global scope should have one child scope, a module scope", () => { |
| 158 | + assert.strictEqual(globalScope.childScopes.length, 1); |
| 159 | + assert.strictEqual(globalScope.childScopes[0].type, "module"); |
| 160 | + }); |
| 161 | + |
| 162 | + it("the module scope should not have any child scopes", () => { |
| 163 | + const moduleScope = globalScope.childScopes[0]; |
| 164 | + |
| 165 | + assert.strictEqual(moduleScope.childScopes.length, 0); |
| 166 | + }); |
| 167 | + |
| 168 | + it("the module scope should have one variable, a type variable", () => { |
| 169 | + const moduleScope = globalScope.childScopes[0]; |
| 170 | + |
| 171 | + assert.strictEqual(moduleScope.variables.length, 1); |
| 172 | + assert.strictEqual(moduleScope.variables[0].name, "type"); |
| 173 | + }); |
| 174 | + |
| 175 | + |
| 176 | + it("the type variable should have two references, a variable declaration and import options", () => { |
| 177 | + const moduleScope = globalScope.childScopes[0]; |
| 178 | + const typeVariable = moduleScope.variables[0]; |
| 179 | + |
| 180 | + assert.strictEqual(typeVariable.references.length, 2); |
| 181 | + assert.strictEqual(typeVariable.references[0].identifier, ast.body[0].declarations[0].id); |
| 182 | + assert.strictEqual(typeVariable.references[1].identifier, ast.body[1].expression.options.properties[0].value.properties[0].value); |
| 183 | + }); |
| 184 | + }); |
| 185 | +}); |
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