q247-models-core/dist/q247-models-core.esm.js

Models for effort/calories in q247 plugin

/**
 * Will calculate diff information (resulting code, and original code)
 * for each file from a provided git diff (unified diff format)
 * @param diffText
 * @returns
 */
const parseGitDiff = (diffText) => {
    const files = {};
    const lines = diffText.split('\n');
    let currentFile = null;
    let original = [];
    let resulting = [];
    let changed = [];
    let inHunk = false;
    for (let i = 0; i < lines.length; i++) {
        const line = lines[i];
        // New file diff
        if (line.startsWith('diff --git')) {
            inHunk = false;
            original = [];
            resulting = [];
            changed = [];
            const match = line.match(/^diff --git a\/(.+?) b\/(.+)$/);
            if (match) {
                currentFile = match[1]; // original file path
                files[currentFile] = { original: '', resulting: '', changed: [] };
            }
            continue;
        }
        // Hunk header
        if (line.startsWith('@@')) {
            inHunk = true;
            continue;
        }
        if (!inHunk || !currentFile)
            continue;
        // Actual diff content
        if (line.startsWith('-')) {
            const content = line.slice(1);
            original.push(content);
            changed.push({ type: 'removed', line: content });
        }
        else if (line.startsWith('+')) {
            const content = line.slice(1);
            resulting.push(content);
            changed.push({ type: 'added', line: content });
        }
        else if (line.startsWith(' ')) {
            const content = line.slice(1);
            original.push(content);
            resulting.push(content);
        }
    }
    // Save file output
    if (currentFile) {
        files[currentFile].original = original.join('\n');
        files[currentFile].resulting = resulting.join('\n');
        files[currentFile].changed = changed;
    }
    return files;
};
/**
* This is a FMW factor function that applies following modification to the score:
* - Is linear when score < upper
* - Smoothly flattens and asymptotically approaches border for score ≥ upper
*
* f(x)=border−(border−upper)⋅e^(−(x−upper/L)
* @param score original score <0, inf)
* @param upper up to upper we do not modify the score, after upper we asymptotically reach border
* @param border asymptotic border for scores that are greater than upper
* @param L the bigger the L the slower approach towards border
* @returns modified score <0, border)
*/
const fmwFactor = (score, upper = 377, border = 610, L = 100) => {
    if (score < upper) {
        return score;
    }
    const factor = border - (border - upper) / (1 + (score - upper) / L);
    return factor;
};

export { fmwFactor, parseGitDiff };