@platform/css/lib/node.tools/toObject.js

Helpers for working with inline CSS.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.toObject = void 0;
var tslib_1 = require("tslib");
function toObject(args) {
    return tslib_1.__awaiter(this, void 0, void 0, function () {
        var root, object;
        return tslib_1.__generator(this, function (_a) {
            root = args;
            object = toDeclarations(args.text).reduce(function (acc, next) {
                acc[next.selector] = next.items.reduce(function (acc, next) {
                    acc[next.name] = next.value;
                    return acc;
                }, {});
                return acc;
            }, {});
            return [2, {
                    object: object,
                    toString: function (args) {
                        if (args === void 0) { args = {}; }
                        var text = root.inspect(object, { colors: false, compact: false });
                        text = args.const ? "const ".concat(args.const, " = ").concat(text, ";") : text;
                        text = args.export ? "export ".concat(text) : text;
                        var header = (args.header || root.header || '').trim();
                        text = header ? "".concat(header, "\n\n").concat(text) : text;
                        text = "".concat(text, "\n");
                        return text;
                    },
                }];
        });
    });
}
exports.toObject = toObject;
function toDeclarations(text) {
    var lines = stripComments(text.split('\n'));
    var result = [];
    var isStart = function (line) {
        return line.length > 2 && !line.startsWith('/') && line.endsWith('{');
    };
    var isSelector = function (line) {
        return isStart(line) || (line.length > 2 && line.endsWith(','));
    };
    var isEnd = function (line) {
        return line.endsWith('}');
    };
    var isStyleLine = function (line) {
        return line.length > 2 && !line.startsWith('/') && line.includes(':');
    };
    var selector = [];
    var current;
    for (var _i = 0, lines_1 = lines; _i < lines_1.length; _i++) {
        var item = lines_1[_i];
        var line = trimLine(item || '');
        if (!current && isSelector(line)) {
            selector.push(line.replace(/\{$/, '').replace(/,$/, '').trim().replace(/'/g, '"'));
        }
        if (!current && isStart(line)) {
            current = { selector: selector.join(', '), items: [] };
        }
        if (current && !isStart(line) && !isEnd(line) && isStyleLine(line)) {
            current.items.push(toStyle(line));
        }
        if (current && isEnd(line)) {
            result.push(current);
            current = undefined;
            selector = [];
        }
    }
    return result;
}
function stripComments(lines) {
    var result = [];
    var withinComment = false;
    for (var _i = 0, lines_2 = lines; _i < lines_2.length; _i++) {
        var line = lines_2[_i];
        var trimmed = line.trim();
        if (trimmed.startsWith('/*')) {
            withinComment = true;
        }
        if (withinComment && line.endsWith('*/')) {
            withinComment = false;
        }
        if (!withinComment) {
            result.push(line);
        }
    }
    return result;
}
function formatName(name) {
    return name
        .split('-')
        .map(function (part, i) { return (i === 0 ? part : "".concat(part[0].toUpperCase()).concat(part.substring(1))); })
        .join('')
        .replace(/'/g, '"');
}
function trimLine(line) {
    line = line.trim();
    line = line.replace(/\/\*.*\*\/$/, '').trim();
    line = line.replace(/;$/, '');
    return line.trim();
}
function toStyle(line) {
    var parts = trimLine(line).split(':');
    var name = formatName(parts[0].trim());
    var value = parts[1].trim().replace(/;$/, '');
    return { name: name, value: value };
}