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