re = /(?<=^|[\n;](?:[\t ]*(?:\w+ )?)?)export\s*default(?:\s*(?<modifiers>(?:abstract(?= *class)|async(?=[\S ]))+))?(?:\s*(?<kind>class|const +enum|enum|function\*?(?=[ (])|interface|namespace|type(?! *\{)))?(?:\s*(?<exports>[$_\p{ID_Start}][$\u200C\u200D\p{ID_Continue}]*)(?=(?:\s*[\n({;])|(?:\s*=\s*\{)|$))?/
str = 'export default function () { /* … */ }
export default async function() { /* … */ }
export default function* () { /* … */ }
export default async function* () { /* … */ }
export default class { /* … */ }
export default async function functionName() { /* … */ }
export default function functionName() { /* … */ }
export default function* generatorName() { /* … */ }
export default async function* generatorNameAsync() { /* … */ }
export default class ClassName { /* … */ }
export default abstract class ClassName { /* … */ }
export default type Options = {}
export default async () => {}
export default async arg => {}
export default () => {}
export default arg => {}
export default (arg) => {}
export default foo
export default foo;export default foo
export default 1 + 1;
export default {};
declare module \'module-name\' {
export default class ClassName { /* … */ }
}
"export default type Options = {}"
/*export default foo */
/* export default foo */
//export default foo
// export default foo
/**
* Resolvable file extensions.
*
* @example
* export default async function read () {}
*/
export default type Options = {}'
# Print the match result
str.scan(re) do |match|
puts match.to_s
end
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Ruby, please visit: http://ruby-doc.org/core-2.2.0/Regexp.html