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38 lines
881 B
38 lines
881 B
9 years ago
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var utils = require('../utils')
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, nodes = require('../nodes')
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, Compiler = require('../visitor/compiler');
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/**
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* Return a `Literal` with the given `fmt`, and
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* variable number of arguments.
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*
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* @param {String} fmt
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* @param {Node} ...
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* @return {Literal}
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* @api public
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*/
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(module.exports = function s(fmt){
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fmt = utils.unwrap(fmt).nodes[0];
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utils.assertString(fmt);
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var self = this
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, str = fmt.string
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, args = arguments
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, i = 1;
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// format
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str = str.replace(/%(s|d)/g, function(_, specifier){
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var arg = args[i++] || nodes.null;
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switch (specifier) {
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case 's':
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return new Compiler(arg, self.options).compile();
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case 'd':
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arg = utils.unwrap(arg).first;
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if ('unit' != arg.nodeName) throw new Error('%d requires a unit');
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return arg.val;
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}
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});
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return new nodes.Literal(str);
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}).raw = true;
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