|
| 1 | +/* eslint-disable radar/cognitive-complexity */ |
| 2 | + |
| 3 | +export class ToStringEscape { |
| 4 | + readonly value: string; |
| 5 | + |
| 6 | + constructor(value: string) { |
| 7 | + this.value = value; |
| 8 | + } |
| 9 | +} |
| 10 | + |
| 11 | +export function isObject(object: Record<string, any>, strict = true): boolean { |
| 12 | + return typeof object === 'object' && object !== null && (!strict || !Array.isArray(object)); |
| 13 | +} |
| 14 | + |
| 15 | +export function isEmpty(object: Record<string, any>): boolean { |
| 16 | + // eslint-disable-next-line no-unreachable-loop |
| 17 | + for (const key in object) { |
| 18 | + return false; |
| 19 | + } |
| 20 | + |
| 21 | + return true; |
| 22 | +} |
| 23 | + |
| 24 | +export function isEqual(object1: Record<string, any>, object2: Record<string, any>): boolean { |
| 25 | + if (object1 === object2) { |
| 26 | + return true; |
| 27 | + } |
| 28 | + |
| 29 | + if (isObject(object1, false) && isObject(object2, false)) { |
| 30 | + if (Object.keys(object1).length !== Object.keys(object2).length) { |
| 31 | + return false; |
| 32 | + } |
| 33 | + |
| 34 | + for (const prop in object1) { |
| 35 | + if (object2.hasOwnProperty(prop)) { |
| 36 | + if (!isEqual(object1[prop], object2[prop])) { |
| 37 | + return false; |
| 38 | + } |
| 39 | + } else { |
| 40 | + return false; |
| 41 | + } |
| 42 | + } |
| 43 | + |
| 44 | + return true; |
| 45 | + } |
| 46 | + |
| 47 | + return false; |
| 48 | +} |
| 49 | + |
| 50 | +/** |
| 51 | + * Delete all object's properties |
| 52 | + */ |
| 53 | +export function clear(object: Record<string, any>) { |
| 54 | + for (const key in object) { |
| 55 | + delete object[key]; |
| 56 | + } |
| 57 | +} |
| 58 | + |
| 59 | +export function copy<T extends Record<string, any> = Record<string, any>>(object: T): T { |
| 60 | + if (typeof object !== 'object' || object === null) { |
| 61 | + return object; |
| 62 | + } |
| 63 | + |
| 64 | + if (object instanceof Array) { |
| 65 | + return object.map(copy) as any; |
| 66 | + } |
| 67 | + |
| 68 | + const copyObject: Record<string, any> = {}; |
| 69 | + |
| 70 | + for (const key in object) { |
| 71 | + const value: any = object[key]; |
| 72 | + |
| 73 | + if (typeof value === 'object' && value !== null) { |
| 74 | + if (value instanceof Array) { |
| 75 | + copyObject[key] = value.map((item) => copy(item)); |
| 76 | + } else { |
| 77 | + copyObject[key] = copy(value); |
| 78 | + } |
| 79 | + } else { |
| 80 | + copyObject[key] = value; |
| 81 | + } |
| 82 | + } |
| 83 | + |
| 84 | + return copyObject as T; |
| 85 | +} |
| 86 | + |
| 87 | +/** |
| 88 | + * Deep assign implementation (merge) |
| 89 | + */ |
| 90 | +export function merge(dest: Record<string, any>, src: Record<string, any>, strategy = 'append') { |
| 91 | + if (isObject(dest) && isObject(src)) { |
| 92 | + for (const key in src) { |
| 93 | + if (isObject(src[key])) { |
| 94 | + dest[key] = key in dest && isObject(dest[key]) |
| 95 | + ? merge(dest[key], src[key], strategy) |
| 96 | + : copy(src[key]); |
| 97 | + } else if (dest[key] instanceof Array) { |
| 98 | + if (strategy === 'replace') { |
| 99 | + dest[key].splice(0); |
| 100 | + } |
| 101 | + |
| 102 | + dest[key].push(...copy(src[key])); |
| 103 | + } else { |
| 104 | + Object.assign(dest, { [key]: src[key] }); |
| 105 | + } |
| 106 | + } |
| 107 | + } else if (src instanceof Array && dest instanceof Array) { |
| 108 | + dest.push(...copy(src)); |
| 109 | + } |
| 110 | + |
| 111 | + return dest; |
| 112 | +} |
| 113 | + |
| 114 | +export function get<T = unknown>(object: Record<string, any>, path: string): T | undefined { |
| 115 | + const paths = parsePath(path); |
| 116 | + |
| 117 | + return paths.length |
| 118 | + ? foundPaths(object, paths, null, (result, o, key, val) => (result ? o[key] : undefined)) |
| 119 | + : object as T; |
| 120 | +} |
| 121 | + |
| 122 | +export function set(object: Record<string, any>, path: string, value: unknown): boolean { |
| 123 | + return applyPaths<boolean>(object, path, value, (result, o, key, val) => { |
| 124 | + if (result) { |
| 125 | + o[key] = val; |
| 126 | + } |
| 127 | + |
| 128 | + return result; |
| 129 | + }, true); |
| 130 | +} |
| 131 | + |
| 132 | +export function del(object: Record<string, any>, path: string): boolean { |
| 133 | + return applyPaths<boolean>(object, path, null, (result, o, key, val) => { |
| 134 | + if (result) { |
| 135 | + delete o[key]; |
| 136 | + } |
| 137 | + |
| 138 | + return result; |
| 139 | + }); |
| 140 | +} |
| 141 | + |
| 142 | +/** |
| 143 | + * Converts a JavaScript object or value to a JSON string with support of function value |
| 144 | + * |
| 145 | + * @param object The value to convert to a JSON string |
| 146 | + * @param space The space argument may be used to control spacing in the final string. |
| 147 | + * - If it is a number, successive levels in the stringification will each |
| 148 | + * be indented by this many space characters (up to 10). |
| 149 | + * - If it is a string, successive levels will be indented by this string |
| 150 | + * (or the first ten characters of it). |
| 151 | + * @returns A JSON string representing the given value with stringified functions, or undefined. |
| 152 | + */ |
| 153 | +export function toString(object: object, space?: string | number): string { |
| 154 | + let index = 0; |
| 155 | + const cache: Record<string, string> = {}; |
| 156 | + let objectString = JSON.stringify(object, (key, value) => { |
| 157 | + if (value instanceof Function) { |
| 158 | + const cacheKey = `__${key}${index++}__`; |
| 159 | + const body = value.toString(); |
| 160 | + |
| 161 | + cache[cacheKey] = body.startsWith(`${key}(`) |
| 162 | + ? 'function ' + body.substring(key.length) |
| 163 | + : body; |
| 164 | + |
| 165 | + return cacheKey; |
| 166 | + } |
| 167 | + |
| 168 | + if (value instanceof ToStringEscape) { |
| 169 | + const cacheKey = `__${key}${index++}__`; |
| 170 | + |
| 171 | + cache[cacheKey] = value.value; |
| 172 | + |
| 173 | + return cacheKey; |
| 174 | + } |
| 175 | + |
| 176 | + return value; |
| 177 | + }, space); |
| 178 | + |
| 179 | + Object.entries(cache).forEach(([cacheKey, cacheValue]) => { |
| 180 | + objectString = objectString.replace(`"${cacheKey}"`, cacheValue); |
| 181 | + }); |
| 182 | + |
| 183 | + return objectString; |
| 184 | +} |
| 185 | + |
| 186 | +function parsePath(path: string) { |
| 187 | + return path.split(/\./).filter((item) => item); |
| 188 | +} |
| 189 | + |
| 190 | +function applyPaths<T>( |
| 191 | + object: Record<string, any>, |
| 192 | + path: string, |
| 193 | + value: unknown, |
| 194 | + callback: (result: boolean, o: Record<string, any>, key: string, value?: unknown) => unknown, |
| 195 | + initMode = false |
| 196 | +): T { |
| 197 | + const paths = parsePath(path); |
| 198 | + const results = foundPaths<boolean | boolean[]>(object, paths, value, callback, initMode); |
| 199 | + |
| 200 | + return results instanceof Array |
| 201 | + ? results.every((result) => result) |
| 202 | + : results as any; |
| 203 | +} |
| 204 | + |
| 205 | +function foundPaths<T>( |
| 206 | + object: Record<string, any>, |
| 207 | + [key, ...nextKeys]: string[], |
| 208 | + value: unknown, |
| 209 | + callback: (result: boolean, o: Record<string, any>, key: string, value?: unknown) => unknown, |
| 210 | + initMode = false |
| 211 | +): T { |
| 212 | + if (typeof object === 'object' && object !== null) { |
| 213 | + const nextKey = nextKeys[0]; |
| 214 | + |
| 215 | + if (initMode && !(key in object)) { |
| 216 | + object[key] = {}; |
| 217 | + } |
| 218 | + |
| 219 | + if (nextKeys.length === 1 && nextKey) { |
| 220 | + const entry = object[key]; |
| 221 | + const entryIsArray = entry instanceof Array; |
| 222 | + const entries = entryIsArray ? entry as Record<string, any>[] : [entry]; |
| 223 | + const results = value instanceof Array |
| 224 | + ? entries.filter((item) => item).map((item, index) => callback(true, item, nextKey, value[index])) as T[] |
| 225 | + : entries.filter((item) => item).map((item) => callback(true, item, nextKey, value)); |
| 226 | + |
| 227 | + return entryIsArray ? results as any : results[0]; |
| 228 | + } |
| 229 | + |
| 230 | + if (key in object) { |
| 231 | + return nextKey |
| 232 | + ? foundPaths(object[key], nextKeys, value, callback, initMode) |
| 233 | + : callback(true, object, key, value) as T; |
| 234 | + } |
| 235 | + |
| 236 | + if (object instanceof Array) { |
| 237 | + return object.map((item) => foundPaths(item, nextKeys, value, callback, initMode)) as any; |
| 238 | + } |
| 239 | + } |
| 240 | + |
| 241 | + return callback(false, object, key) as T; |
| 242 | +} |
0 commit comments