approvals/lib/Utilities/Printers.js

Approval Tests Library - Capturing Human Intelligence

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.printArray = printArray;
exports.printJson = printJson;
exports.printCombinations = printCombinations;
function printArray(header, list, formatter) {
    function getDefaultFormatter() {
        let count = 0;
        return (t) => `[${count++}] => ${t}`;
    }
    formatter = formatter || getDefaultFormatter();
    let text = "";
    if (header) {
        text = header + "\n\n\n";
    }
    for (let t of list) {
        text += formatter(t) + "\n";
    }
    return text;
}
function printJson(data) {
    return JSON.stringify(data, null, "  ");
}
function printCombinations(func, ...variations) {
    const parameterCombinations = generateParameterCombinations(variations);
    let text = "";
    parameterCombinations.forEach((parameters) => {
        text += print(func, parameters);
    });
    return text;
}
function generateParameterCombinations(variations, parameterCombinations = [], index = 0, currentParameterCombination = []) {
    const allParametersProcessed = index === variations.length;
    if (allParametersProcessed) {
        parameterCombinations.push(currentParameterCombination);
        return parameterCombinations;
    }
    for (let nextParameter of variations[index]) {
        generateParameterCombinations(variations, parameterCombinations, index + 1, [...currentParameterCombination, nextParameter]);
    }
    return parameterCombinations;
}
function print(func, parameters) {
    let output;
    try {
        output = func(...parameters);
    }
    catch (e) {
        output = `${e}`;
    }
    return `[${parameters}] => ${output}\n`;
}