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shrine-medco/shrine-webclient/src/main/js/client/js-shrine/node_modules/es6-template-strings/compile.js
579487abddbcrelease/1.23.1

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compile.js
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'use strict';
var esniff = require('esniff')
, i, current, literals, substitutions, sOut, sEscape, sAhead, sIn, sInEscape, template;
sOut = function (char) {
if (char === '\\') return sEscape;
if (char === '$') return sAhead;
current += char;
return sOut;
};
sEscape = function (char) {
if ((char !== '\\') && (char !== '$')) current += '\\';
current += char;
return sOut;
};
sAhead = function (char) {
if (char === '{') {
literals.push(current);
current = '';
return sIn;
}
if (char === '$') {
current += '$';
return sAhead;
}
current += '$' + char;
return sOut;
};
sIn = function (char) {
var code = template.slice(i), end;
esniff(code, '}', function (j) {
if (esniff.nest >= 0) return esniff.next();
end = j;
});
if (end != null) {
substitutions.push(template.slice(i, i + end));
i += end;
current = '';
return sOut;
}
end = code.length;
i += end;
current += code;
return sIn;
};
sInEscape = function (char) {
if ((char !== '\\') && (char !== '}')) current += '\\';
current += char;
return sIn;
};
module.exports = function (str) {
var length, state, result;
current = '';
literals = [];
substitutions = [];
template = String(str);
length = template.length;
state = sOut;
for (i = 0; i < length; ++i) state = state(template[i]);
if (state === sOut) {
literals.push(current);
} else if (state === sEscape) {
literals.push(current + '\\');
} else if (state === sAhead) {
literals.push(current + '$');
} else if (state === sIn) {
literals[literals.length - 1] += '${' + current;
} else if (state === sInEscape) {
literals[literals.length - 1] += '${' + current + '\\';
}
result = { literals: literals, substitutions: substitutions };
literals = substitutions = null;
return result;
};
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