35 lines
852 B
JavaScript
35 lines
852 B
JavaScript
/* eslint no-param-reassign: off */
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module.exports = {
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interpolation(token) {
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let first = token;
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const tokens = [token];
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const validTypes = ['word', '{', '}'];
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token = this.tokenizer.nextToken();
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// look for @{ but not @[word]{
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if (first[1].length > 1 || token[0] !== '{') {
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this.tokenizer.back(token);
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return false;
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}
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while (token && validTypes.includes(token[0])) {
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tokens.push(token);
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token = this.tokenizer.nextToken();
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}
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const words = tokens.map((tokn) => tokn[1]);
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[first] = tokens;
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const last = tokens.pop();
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const start = [first[2], first[3]];
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const end = [last[4] || last[2], last[5] || last[3]];
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const newToken = ['word', words.join('')].concat(start, end);
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this.tokenizer.back(token);
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this.tokenizer.back(newToken);
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return true;
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}
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};
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