23 lines
657 B
JavaScript
23 lines
657 B
JavaScript
'use strict';
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var match = require('gulp-match');
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var ternaryStream = require('ternary-stream');
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var through2 = require('through2');
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module.exports = function (condition, trueChild, falseChild, minimatchOptions) {
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if (!trueChild) {
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throw new Error('gulp-if: child action is required');
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}
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if (typeof condition === 'boolean') {
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// no need to evaluate the condition for each file
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// other benefit is it never loads the other stream
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return condition ? trueChild : (falseChild || through2.obj());
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}
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function classifier (file) {
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return !!match(file, condition, minimatchOptions);
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}
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return ternaryStream(classifier, trueChild, falseChild);
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};
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