Source code
Revision control
Copy as Markdown
Other Tools
/* Any copyright is dedicated to the Public Domain.
"use strict";
// ------------------------------------------------------------------------------
// Requirements
// ------------------------------------------------------------------------------
var rule = require("../lib/rules/use-static-import");
var RuleTester = require("eslint").RuleTester;
const ruleTester = new RuleTester({
parserOptions: { ecmaVersion: "latest", sourceType: "module" },
});
// ------------------------------------------------------------------------------
// Tests
// ------------------------------------------------------------------------------
function callError() {
return [{ messageId: "useStaticImport", type: "VariableDeclaration" }];
}
ruleTester.run("use-static-import", rule, {
valid: [
{
// Already converted, no issues.
code: 'import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";',
filename: "test.sys.mjs",
},
{
// Inside an if statement.
code: 'if (foo) { const { XPCOMUtils } = ChromeUtils.importESModule("resource://gre/modules/XPCOMUtils.sys.mjs") }',
filename: "test.sys.mjs",
},
{
// Inside a function.
code: 'function foo() { const { XPCOMUtils } = ChromeUtils.importESModule("resource://gre/modules/XPCOMUtils.sys.mjs") }',
filename: "test.sys.mjs",
},
{
// importESModule with two args cannot be converted.
code: 'const { f } = ChromeUtils.importESModule("some/module.sys.mjs", { global : "shared" });',
filename: "test.sys.mjs",
},
{
// A non-system file attempting to import a system file should not be
// converted.
code: 'const { XPCOMUtils } = ChromeUtils.importESModule("resource://gre/modules/XPCOMUtils.sys.mjs")',
filename: "test.mjs",
},
],
invalid: [
{
// Simple import in system module should be converted.
code: 'const { XPCOMUtils } = ChromeUtils.importESModule("resource://gre/modules/XPCOMUtils.sys.mjs")',
errors: callError(),
filename: "test.sys.mjs",
output:
'import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs"',
},
{
// Should handle rewritten variables as well.
code: 'const { XPCOMUtils: foo } = ChromeUtils.importESModule("resource://gre/modules/XPCOMUtils.sys.mjs")',
errors: callError(),
filename: "test.sys.mjs",
output:
'import { XPCOMUtils as foo } from "resource://gre/modules/XPCOMUtils.sys.mjs"',
},
{
// Should handle multiple variables.
code: 'const { foo, XPCOMUtils } = ChromeUtils.importESModule("resource://gre/modules/XPCOMUtils.sys.mjs")',
errors: callError(),
filename: "test.sys.mjs",
output:
'import { foo, XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs"',
},
],
});