FontoXML / fontoxpath / 812
travis-ci
web-flow3296 of 4011 branches covered (82.17%)
Branch coverage included in aggregate %.
8 of 8 new or added lines in 1 file covered. (100.0%)
6540 of 7392 relevant lines covered (88.47%)
635438.03 hits per line
Source File
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import ISequence from '../dataTypes/ISequence'; |
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import sequenceFactory from '../dataTypes/sequenceFactory'; |
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export default function createDoublyIterableSequence(sequence: ISequence): () => ISequence { |
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const savedValues = [];
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const backingIterator = sequence.value;
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return () => {
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let i = 0;
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return sequenceFactory.create({
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next: () => {
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if (savedValues[i] !== undefined) {
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return savedValues[i++];
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} |
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const val = backingIterator.next();
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if (!val.ready) {
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return val;
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} |
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if (val.done) {
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return val;
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} |
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savedValues[i++] = val; |
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return val;
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} |
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}); |
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}; |
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} |