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clone.ts
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Fri, Feb 21, 23:16

clone.ts
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import { FunctionCov, ProcessCov, RangeCov, ScriptCov } from "./types";
/**
* Creates a deep copy of a process coverage.
*
* @param processCov Process coverage to clone.
* @return Cloned process coverage.
*/
export function cloneProcessCov(processCov: Readonly<ProcessCov>): ProcessCov {
const result: ScriptCov[] = [];
for (const scriptCov of processCov.result) {
result.push(cloneScriptCov(scriptCov));
}
return {
result,
};
}
/**
* Creates a deep copy of a script coverage.
*
* @param scriptCov Script coverage to clone.
* @return Cloned script coverage.
*/
export function cloneScriptCov(scriptCov: Readonly<ScriptCov>): ScriptCov {
const functions: FunctionCov[] = [];
for (const functionCov of scriptCov.functions) {
functions.push(cloneFunctionCov(functionCov));
}
return {
scriptId: scriptCov.scriptId,
url: scriptCov.url,
functions,
};
}
/**
* Creates a deep copy of a function coverage.
*
* @param functionCov Function coverage to clone.
* @return Cloned function coverage.
*/
export function cloneFunctionCov(functionCov: Readonly<FunctionCov>): FunctionCov {
const ranges: RangeCov[] = [];
for (const rangeCov of functionCov.ranges) {
ranges.push(cloneRangeCov(rangeCov));
}
return {
functionName: functionCov.functionName,
ranges,
isBlockCoverage: functionCov.isBlockCoverage,
};
}
/**
* Creates a deep copy of a function coverage.
*
* @param rangeCov Range coverage to clone.
* @return Cloned range coverage.
*/
export function cloneRangeCov(rangeCov: Readonly<RangeCov>): RangeCov {
return {
startOffset: rangeCov.startOffset,
endOffset: rangeCov.endOffset,
count: rangeCov.count,
};
}

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