2018-10-15 18:21:43 +00:00
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// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-intl-segmenter
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const seg = new Intl.Segmenter([], {granularity: "sentence"})
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for (const text of [
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"Hello world!", // English
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" Hello world! ", // English with space before/after
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" Hello world? Foo bar!", // English
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"Jedovatou mambu objevila žena v zahrádkářské kolonii.", // Czech
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"Việt Nam: Nhất thể hóa sẽ khác Trung Quốc?", // Vietnamese
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"Σοβαρές ενστάσεις Κομισιόν για τον προϋπολογισμό της Ιταλίας", // Greek
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"Решение Индии о покупке российских С-400 расценили как вызов США", // Russian
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"הרופא שהציל נשים והנערה ששועבדה ע", // Hebrew,
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"ترامب للملك سلمان: أنا جاد للغاية.. عليك دفع المزيد", // Arabic
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"भारत की एस 400 मिसाइल के मुकाबले पाक की थाड, जानें कौन कितना ताकतवर", // Hindi
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"ரெட் அலர்ட் எச்சரிக்கை; புதுச்சேரியில் நாளை அரசு விடுமுறை!", // Tamil
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"'ఉత్తర్వులు అందే వరకు ఓటర్ల తుది జాబితాను వెబ్సైట్లో పెట్టవద్దు'", // Telugu
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"台北》抹黑柯P失敗？朱學恒酸：姚文智氣pupu嗆大老闆", // Chinese
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"วัดไทรตีระฆังเบาลงช่วงเข้าพรรษา เจ้าอาวาสเผยคนร้องเรียนรับผลกรรมแล้ว", // Thai
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"九州北部の一部が暴風域に入りました(日直予報士 2018年10月06日) - 日本気象協会 tenki.jp", // Japanese
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"법원 “다스 지분 처분권·수익권 모두 MB가 보유”", // Korean
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]) {
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const iter = seg.segment(text);
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let prev = text.length;
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let segments = [];
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iter.preceding(prev);
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assertTrue(["sep", "term"].includes(iter.breakType), iter.breakType);
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2018-12-17 23:09:06 +00:00
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assertTrue(iter.index >= 0);
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assertTrue(iter.index < prev);
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segments.push(text.substring(iter.index, prev));
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prev = iter.index;
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2018-10-15 18:21:43 +00:00
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while (!iter.preceding()) {
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assertTrue(["sep", "term"].includes(iter.breakType), iter.breakType);
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2018-12-17 23:09:06 +00:00
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assertTrue(iter.index >= 0);
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assertTrue(iter.index <= text.length);
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assertTrue(iter.index < prev);
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segments.push(text.substring(iter.index, prev));
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prev = iter.index;
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2018-10-15 18:21:43 +00:00
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}
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assertEquals(text, segments.reverse().join(""));
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}
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