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const {
compareFunctionCovs,
compareRangeCovs,
compareScriptCovs,
} = require("./compare");
const { RangeTree } = require("./range-tree");
/**
* Normalizes a process coverage.
*
* Sorts the scripts alphabetically by `url`.
* Reassigns script ids: the script at index `0` receives `"0"`, the script at
* index `1` receives `"1"` etc.
* This does not normalize the script coverages.
*
* @param processCov Process coverage to normalize.
*/
function normalizeProcessCov(processCov) {
processCov.result.sort(compareScriptCovs);
for (const [scriptId, scriptCov] of processCov.result.entries()) {
scriptCov.scriptId = scriptId.toString(10);
}
}
/**
* Normalizes a process coverage deeply.
*
* Normalizes the script coverages deeply, then normalizes the process coverage
* itself.
*
* @param processCov Process coverage to normalize.
*/
function deepNormalizeProcessCov(processCov) {
for (const scriptCov of processCov.result) {
deepNormalizeScriptCov(scriptCov);
}
normalizeProcessCov(processCov);
}
/**
* Normalizes a script coverage.
*
* Sorts the function by root range (pre-order sort).
* This does not normalize the function coverages.
*
* @param scriptCov Script coverage to normalize.
*/
function normalizeScriptCov(scriptCov) {
scriptCov.functions.sort(compareFunctionCovs);
}
/**
* Normalizes a script coverage deeply.
*
* Normalizes the function coverages deeply, then normalizes the script coverage
* itself.
*
* @param scriptCov Script coverage to normalize.
*/
function deepNormalizeScriptCov(scriptCov) {
for (const funcCov of scriptCov.functions) {
normalizeFunctionCov(funcCov);
}
normalizeScriptCov(scriptCov);
}
/**
* Normalizes a function coverage.
*
* Sorts the ranges (pre-order sort).
* TODO: Tree-based normalization of the ranges.
*
* @param funcCov Function coverage to normalize.
*/
function normalizeFunctionCov(funcCov) {
funcCov.ranges.sort(compareRangeCovs);
const tree = RangeTree.fromSortedRanges(funcCov.ranges);
normalizeRangeTree(tree);
funcCov.ranges = tree.toRanges();
}
/**
* @internal
*/
function normalizeRangeTree(tree) {
tree.normalize();
}
module.exports = {
normalizeProcessCov,
deepNormalizeProcessCov,
normalizeScriptCov,
deepNormalizeScriptCov,
normalizeFunctionCov,
normalizeRangeTree,
};
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