45 lines
938 B
Plaintext
45 lines
938 B
Plaintext
/**
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* Compares two script coverages.
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*
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* The result corresponds to the comparison of their `url` value (alphabetical sort).
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*/
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function compareScriptCovs(a, b) {
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if (a.url === b.url) {
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return 0;
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} else if (a.url < b.url) {
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return -1;
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} else {
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return 1;
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}
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}
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/**
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* Compares two function coverages.
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*
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* The result corresponds to the comparison of the root ranges.
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*/
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function compareFunctionCovs(a, b) {
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return compareRangeCovs(a.ranges[0], b.ranges[0]);
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}
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/**
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* Compares two range coverages.
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*
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* The ranges are first ordered by ascending `startOffset` and then by
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* descending `endOffset`.
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* This corresponds to a pre-order tree traversal.
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*/
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function compareRangeCovs(a, b) {
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if (a.startOffset !== b.startOffset) {
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return a.startOffset - b.startOffset;
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} else {
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return b.endOffset - a.endOffset;
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}
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}
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module.exports = {
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compareScriptCovs,
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compareFunctionCovs,
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compareRangeCovs,
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};
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