1 |
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2 |
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3 | module.exports = {
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4 | interpolation(token) {
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5 | let first = token;
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6 | const tokens = [token];
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7 | const validTypes = ['word', '{', '}'];
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8 |
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9 | token = this.tokenizer.nextToken();
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10 |
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11 |
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12 | if (first[1].length > 1 || token[0] !== '{') {
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13 | this.tokenizer.back(token);
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14 | return false;
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15 | }
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16 |
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17 | while (token && validTypes.includes(token[0])) {
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18 | tokens.push(token);
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19 | token = this.tokenizer.nextToken();
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20 | }
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21 |
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22 | const words = tokens.map((tokn) => tokn[1]);
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23 | [first] = tokens;
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24 | const last = tokens.pop();
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25 | const start = [first[2], first[3]];
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26 | const end = [last[4] || last[2], last[5] || last[3]];
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27 | const newToken = ['word', words.join('')].concat(start, end);
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28 |
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29 | this.tokenizer.back(token);
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30 | this.tokenizer.back(newToken);
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31 |
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32 | return true;
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33 | }
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34 | };
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