json-joy
Version:
Collection of libraries for building collaborative editing apps.
39 lines (38 loc) • 1.54 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.toTree = void 0;
const printTree_1 = require("tree-dump/lib/printTree");
const stringify_1 = require("./stringify");
const isPrimitive = (value) => typeof value !== 'object' || value === null;
const isOneLineValue = (value) => {
if (isPrimitive(value))
return true;
if (value instanceof Array && !value.length)
return true;
if (value && typeof value === 'object' && !Object.keys(value).length)
return true;
return false;
};
const isSimpleString = (str) => /^[a-z0-9]+$/i.test(str);
const toTree = (value, tab = '') => {
if (value instanceof Array) {
if (value.length === 0)
return '[]';
return (0, printTree_1.printTree)(tab, value.map((v, i) => (tab) => {
return `[${i}]${isOneLineValue(v) ? ': ' : ''}${(0, exports.toTree)(v, tab + ' ')}`;
})).slice(tab ? 0 : 1);
}
else if (value && typeof value === 'object') {
const keys = Object.keys(value);
if (keys.length === 0)
return '{}';
return (0, printTree_1.printTree)(tab, keys.map((k) => (tab) => {
const addQuotes = !isSimpleString(k);
const formattedKey = addQuotes ? JSON.stringify(k) : k;
const val = value[k];
return `${formattedKey}${isOneLineValue(val) ? ' = ' : ''}${(0, exports.toTree)(val, tab)}`;
})).slice(tab ? 0 : 1);
}
return (0, stringify_1.stringify)(value);
};
exports.toTree = toTree;