文件操作 - regexp-exec-abstract.js
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文件: /usr/share/nodejs/core-js/internals/regexp-exec-abstract.js
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var call = require('../internals/function-call'); var anObject = require('../internals/an-object'); var isCallable = require('../internals/is-callable'); var classof = require('../internals/classof-raw'); var regexpExec = require('../internals/regexp-exec'); var $TypeError = TypeError; // `RegExpExec` abstract operation // https://tc39.es/ecma262/#sec-regexpexec module.exports = function (R, S) { var exec = R.exec; if (isCallable(exec)) { var result = call(exec, R, S); if (result !== null) anObject(result); return result; } if (classof(R) === 'RegExp') return call(regexpExec, R, S); throw $TypeError('RegExp#exec called on incompatible receiver'); };
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