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prefer-string-replace-all.mjs
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prefer-string-replace-all.mjs
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import outdent from 'outdent';
import {getTester} from './utils/test.mjs';
const {test} = getTester(import.meta);
test.snapshot({
valid: [
// No global flag
'foo.replace(/a/, bar)',
'foo.replaceAll(/a/, bar)',
// Not regex literal
'foo.replace("string", bar)',
'foo.replaceAll("string", bar)',
// Not 2 arguments
'foo.replace(/a/g)',
'foo.replaceAll(/a/g)',
'foo.replace(/\\\\./g)',
'foo.replaceAll(/\\\\./g)',
// Not `CallExpression`
'new foo.replace(/a/g, bar)',
'new foo.replaceAll(/a/g, bar)',
// Not `MemberExpression`
'replace(/a/g, bar)',
'replaceAll(/a/g, bar)',
// Computed
'foo[replace](/a/g, bar);',
'foo[replaceAll](/a/g, bar);',
// Not replace
'foo.methodNotReplace(/a/g, bar);',
// `callee.property` is not a `Identifier`
'foo[\'replace\'](/a/g, bar)',
'foo[\'replaceAll\'](/a/g, bar)',
// More or less argument(s)
'foo.replace(/a/g, bar, extra);',
'foo.replaceAll(/a/g, bar, extra);',
'foo.replace();',
'foo.replaceAll();',
'foo.replace(...argumentsArray, ...argumentsArray2)',
'foo.replaceAll(...argumentsArray, ...argumentsArray2)',
// Unknown/non-regexp/non-global value
'foo.replace(unknown, bar)',
'const pattern = new RegExp("foo", unknown); foo.replace(pattern, bar)',
'const pattern = new RegExp("foo"); foo.replace(pattern, bar)',
'const pattern = new RegExp(); foo.replace(pattern, bar)',
'const pattern = "string"; foo.replace(pattern, bar)',
'const pattern = new RegExp("foo", "g"); foo.replace(...[pattern], bar)',
'const pattern = "not-a-regexp"; foo.replace(pattern, bar)',
'const pattern = new RegExp("foo", "i"); foo.replace(pattern, bar)',
'foo.replace(new NotRegExp("foo", "g"), bar)',
],
invalid: [
'foo.replace(/a/g, bar)',
// Comments
outdent`
foo/* comment 1 */
.replace/* comment 2 */(
/* comment 3 */
/a/g // comment 4
,
bar
)
`,
// Quotes
'foo.replace(/"\'/g, \'\\\'\')',
// Escaped symbols
'foo.replace(/\\./g, bar)',
'foo.replace(/\\\\\\./g, bar)',
'foo.replace(/\\|/g, bar)',
// `u` flag
'foo.replace(/a/gu, bar)',
'foo.replace(/a/ug, bar)',
// Special characters
'foo.replace(/[a]/g, bar)',
'foo.replace(/a?/g, bar)',
'foo.replace(/.*/g, bar)',
'foo.replace(/a|b/g, bar)',
'foo.replace(/\\W/g, bar)',
'foo.replace(/\\u{61}/g, bar)',
'foo.replace(/\\u{61}/gu, bar)',
'foo.replace(/\\u{61}/gv, bar)',
'foo.replace(/]/g, "bar")',
// Extra flag
'foo.replace(/a/gi, bar)',
'foo.replace(/a/gui, bar)',
'foo.replace(/a/uig, bar)',
'foo.replace(/a/vig, bar)',
// Variables
'const pattern = new RegExp("foo", "g"); foo.replace(pattern, bar)',
'foo.replace(new RegExp("foo", "g"), bar)',
'foo.replace(/a]/g, _)',
'foo.replace(/[a]/g, _)',
'foo.replace(/a{1/g, _)',
'foo.replace(/a{1}/g, _)',
'foo.replace(/\\u0022/g, _)',
'foo.replace(/\\u0027/g, _)',
'foo.replace(/\\cM\\cj/g, _)',
'foo.replace(/\\x22/g, _)',
'foo.replace(/\\x27/g, _)',
'foo.replace(/\\uD83D\\ude00/g, _)',
'foo.replace(/\\u{1f600}/gu, _)',
'foo.replace(/\\n/g, _)',
'foo.replace(/\\u{20}/gu, _)',
'foo.replace(/\\u{20}/gv, _)',
'foo.replaceAll(/a]/g, _)',
'foo.replaceAll(/\\r\\n\\u{1f600}/gu, _)',
'foo.replaceAll(/\\r\\n\\u{1f600}/gv, _)',
`foo.replaceAll(/a${' very'.repeat(30)} long string/g, _)`,
// Invalid RegExp #2010
'foo.replace(/(?!a)+/g, "")',
],
});