47 lines
937 B
JavaScript
47 lines
937 B
JavaScript
'use strict';
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var env = require('env-variable');
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/**
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* Checks if a given namespace is allowed by the environment variables.
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*
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* @param {String} name namespace that should be included.
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* @param {Array} variables
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* @returns {Boolean}
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* @api public
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*/
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module.exports = function enabled(name, variables) {
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var envy = env()
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, variable
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, i = 0;
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variables = variables || ['diagnostics', 'debug'];
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for (; i < variables.length; i++) {
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if ((variable = envy[variables[i]])) break;
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}
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if (!variable) return false;
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variables = variable.split(/[\s,]+/);
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i = 0;
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for (; i < variables.length; i++) {
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variable = variables[i].replace('*', '.*?');
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if ('-' === variable.charAt(0)) {
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if ((new RegExp('^'+ variable.substr(1) +'$')).test(name)) {
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return false;
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}
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continue;
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}
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if ((new RegExp('^'+ variable +'$')).test(name)) {
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return true;
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}
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}
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return false;
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};
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