27 lines
515 B
JavaScript
27 lines
515 B
JavaScript
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'use strict';
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const { MESSAGE } = require('triple-beam');
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class Printf {
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constructor(templateFn) {
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this.template = templateFn;
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}
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transform(info) {
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info[MESSAGE] = this.template(info);
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return info;
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}
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}
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/*
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* function printf (templateFn)
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* Returns a new instance of the printf Format that creates an
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* intermediate prototype to store the template string-based formatter
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* function.
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*/
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module.exports = opts => new Printf(opts);
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module.exports.Printf
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= module.exports.Format
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= Printf;
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