tslint-to-eslint-config/src/utils.js

Converts your TSLint configuration to the closest reasonable ESLint equivalent.

"use strict";
var __importDefault =
    (this && this.__importDefault) ||
    function (mod) {
        return mod && mod.__esModule ? mod : { default: mod };
    };
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseJson =
    exports.uniqueFromSources =
    exports.separateErrors =
    exports.removeEmptyMembers =
    exports.isTruthy =
    exports.isError =
    exports.isDefined =
    exports.asError =
        void 0;
const json5_1 = __importDefault(require("json5"));
const asError = (error) => (error instanceof Error ? error : new Error(`${error}`));
exports.asError = asError;
const isDefined = (item) => item !== undefined;
exports.isDefined = isDefined;
const isError = (item) => item instanceof Error;
exports.isError = isError;
const isTruthy = (item) => !!item;
exports.isTruthy = isTruthy;
const removeEmptyMembers = (items) => {
    const result = {};
    for (const [key, value] of Object.entries(items)) {
        if (
            !(value instanceof Array && value.length === 0) &&
            !(value instanceof Object && Object.keys(value).length === 0)
        ) {
            result[key] = value;
        }
    }
    return result;
};
exports.removeEmptyMembers = removeEmptyMembers;
const separateErrors = (mixed) => {
    const errors = [];
    const items = [];
    for (const item of mixed) {
        if (item instanceof Error) {
            errors.push(item);
        } else {
            items.push(item);
        }
    }
    return [errors, items];
};
exports.separateErrors = separateErrors;
const uniqueFromSources = (...sources) => {
    const items = [];
    for (const source of sources) {
        if (source instanceof Array) {
            items.push(...source.filter(exports.isDefined));
        } else if (source !== undefined) {
            items.push(source);
        }
    }
    return Array.from(new Set(items));
};
exports.uniqueFromSources = uniqueFromSources;
const parseJson = (text) => json5_1.default.parse(text);
exports.parseJson = parseJson;
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