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36 lines
865 B
36 lines
865 B
var traverse = require('../'); |
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var test = require('tape'); |
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|
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test('subexpr', function (t) { |
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var obj = [ 'a', 4, 'b', 5, 'c', 6 ]; |
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var r = traverse(obj).map(function (x) { |
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if (typeof x === 'number') { |
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this.update([ x - 0.1, x, x + 0.1 ], true); |
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} |
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}); |
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t.same(obj, [ 'a', 4, 'b', 5, 'c', 6 ]); |
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t.same(r, [ |
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'a', [ 3.9, 4, 4.1 ], |
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'b', [ 4.9, 5, 5.1 ], |
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'c', [ 5.9, 6, 6.1 ], |
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]); |
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t.end(); |
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}); |
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|
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test('block', function (t) { |
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var obj = [ [ 1 ], [ 2 ], [ 3 ] ]; |
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var r = traverse(obj).map(function (x) { |
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if (Array.isArray(x) && !this.isRoot) { |
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if (x[0] === 5) this.block() |
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else this.update([ [ x[0] + 1 ] ]) |
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} |
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}); |
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t.same(r, [ |
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[ [ [ [ [ 5 ] ] ] ] ], |
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[ [ [ [ 5 ] ] ] ], |
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[ [ [ 5 ] ] ], |
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]); |
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t.end(); |
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});
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