Last change
on this file since 6a80231 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
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File size:
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1 | var classof = require('./classof-raw');
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2 | var regexpExec = require('./regexp-exec');
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3 |
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4 | // `RegExpExec` abstract operation
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5 | // https://tc39.es/ecma262/#sec-regexpexec
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6 | module.exports = function (R, S) {
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7 | var exec = R.exec;
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8 | if (typeof exec === 'function') {
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9 | var result = exec.call(R, S);
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10 | if (typeof result !== 'object') {
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11 | throw TypeError('RegExp exec method returned something other than an Object or null');
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12 | }
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13 | return result;
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14 | }
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15 |
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16 | if (classof(R) !== 'RegExp') {
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17 | throw TypeError('RegExp#exec called on incompatible receiver');
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18 | }
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19 |
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20 | return regexpExec.call(R, S);
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21 | };
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22 |
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