node_modules/@covalent/core/esm2015/common/functions/convert.js

/**
 * @fileoverview added by tsickle
 * Generated from: functions/convert.ts
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingRequire,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
/**
 * Conversion function that takes an array of objects and converts
 * them to CSV format. Custom key and line separators can be specified.
 *
 * @param {?} objects list of strings in JSON format or actual objects
 * @param {?=} keySeparator optional parameter to specify custom value separator
 * @param {?=} lineSeparator optional parameter to specify custom end of line separator
 * @return {?} CSV formatted string
 */
export function convertObjectsToCSV(objects, keySeparator = ',', lineSeparator = '\r\n') {
    if (!objects) {
        return '';
    }
    /** @type {?} */
    let outputString = '';
    // Iterate through array, creating one output line per object
    objects.forEach((/**
     * @param {?} value
     * @param {?} key
     * @return {?}
     */
    (value, key) => {
        /** @type {?} */
        let line = '';
        for (const index of Object.keys(objects[key])) {
            if (line !== '') {
                line += keySeparator;
            }
            if (objects[key][index] === null || objects[key][index] === undefined) {
                objects[key][index] = '';
            }
            line += objects[key][index];
        }
        outputString += `${line}${lineSeparator}`;
    }));
    // Append header row identifying keys into output
    if (objects[0]) {
        /** @type {?} */
        const headers = Object.keys(objects[0]).join(keySeparator);
        outputString = `${headers}${lineSeparator}${outputString}`;
    }
    return outputString;
}
/**
 * Conversion function that takes a CSV representation
 * of objects and converts them to JSON.
 * The first row in the input must be the object keys.
 * Custom key separator and line separator can be specified.
 * Indentation size for output JSON can be specified.
 *
 * @param {?} csv list of strings in JSON format or actual objects
 * @param {?=} keySeparator optional parameter to specify custom value separator
 * @param {?=} lineSeparator optional parameter to specify custom end of line separator
 * @param {?=} indent optional parameter indicating space indentation for pretty output. Default is 2.
 * @return {?} JSON formatted string
 */
export function convertCSVToJSON(csv, keySeparator = ',', lineSeparator = '\r\n', indent = 2) {
    if (!csv) {
        return '';
    }
    /** @type {?} */
    const csvArray = csv.split(lineSeparator);
    // Input CSV must have a minimum of two rows
    if (csvArray.length < 2) {
        return '';
    }
    /** @type {?} */
    const newObjects = [];
    // Extract object keys from header row
    /** @type {?} */
    const keys = csvArray[0].split(keySeparator);
    // Iterate through array, creating one output line per object
    for (let i = 1; i < csvArray.length; i++) {
        /** @type {?} */
        const newObject = {};
        /** @type {?} */
        const values = csvArray[i].split(keySeparator);
        if (values.length !== keys.length) {
            continue;
        }
        for (let j = 0; j < keys.length; j++) {
            newObject[keys[j]] = values[j];
        }
        newObjects.push(newObject);
    }
    return formatJSON(newObjects, indent);
}
/**
 * Convert object to JSON using stringify. Indentation size for output JSON can be specified.
 *
 * @param {?} json object to be converted
 * @param {?=} indent optional parameter indicating space indentation for pretty output. Default is 2.
 * @return {?}
 */
export function formatJSON(json, indent = 2) {
    return JSON.stringify(json, undefined, indent);
}
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