gulp-dedupe

Check for duplicates in the stream and filter them or throw an error

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gulp-dedupe
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gulp-dedupe Build Status
Check for duplicates in the stream and filter them or throw an error.
Install:
npm install gulp-dedupe --save-dev

Example:
var dedupe = require('gulp-dedupe');

...
    .pipe(dedupe()) // Remove duplicates from previous tasks (if any).
    .pipe(concat('bundle.css')) // For example, we need to concat the result without duplicates.
    .pipe(gulp.dest('./build'));

dedupe(options) optionally accepts options object. There are two options:
  • error to emit an error in case of duplicate (false by default).
  • same to emit an error in case duplicates have different contents (true by
default).
  • diff to supply duplicates with different contents error (same: true)
with actual diff (false by default).