34 lines
1019 B
JavaScript
34 lines
1019 B
JavaScript
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// This example shows how prefiltering can be used.
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const diff = require('../'); // deep-diff
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const { log, inspect } = require('util');
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const assert = require('assert');
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const data = {
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issue: 126,
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submittedBy: 'abuzarhamza',
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title: 'readme.md need some additional example prefilter',
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posts: [
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{
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date: '2018-04-16',
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text: `additional example for prefilter for deep-diff would be great.
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https://stackoverflow.com/questions/38364639/pre-filter-condition-deep-diff-node-js`
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}
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]
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};
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const clone = JSON.parse(JSON.stringify(data));
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clone.title = 'README.MD needs additional example illustrating how to prefilter';
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clone.disposition = 'completed';
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const two = diff(data, clone);
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const none = diff(data, clone,
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(path, key) => path.length === 0 && ~['title', 'disposition'].indexOf(key)
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);
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assert.equal(two.length, 2, 'should reflect two differences');
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assert.ok(typeof none === 'undefined', 'should reflect no differences');
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log(inspect(two, false, 9));
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log(inspect(none, false, 9));
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