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normalize.ts
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Wed, Feb 19, 01:34

normalize.ts
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import { compareFunctionCovs, compareRangeCovs, compareScriptCovs } from "./compare";
import { RangeTree } from "./range-tree";
import { FunctionCov, ProcessCov, ScriptCov } from "./types";
/**
* 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.
*/
export function normalizeProcessCov(processCov: ProcessCov): void {
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.
*/
export function deepNormalizeProcessCov(processCov: ProcessCov): void {
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.
*/
export function normalizeScriptCov(scriptCov: ScriptCov): void {
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.
*/
export function deepNormalizeScriptCov(scriptCov: ScriptCov): void {
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.
*/
export function normalizeFunctionCov(funcCov: FunctionCov): void {
funcCov.ranges.sort(compareRangeCovs);
const tree: RangeTree = RangeTree.fromSortedRanges(funcCov.ranges)!;
normalizeRangeTree(tree);
funcCov.ranges = tree.toRanges();
}
/**
* @internal
*/
export function normalizeRangeTree(tree: RangeTree): void {
tree.normalize();
}

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