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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | 1x 1x 1x 17x 1x 88x 78x 78x 78x 1x 11x 11x 11x 16x 16x 10x 6x 5x 1x 3x 3x 5x 5x 1x 1x 4x 3x 3x 1x 3x 1x 5x 5x 5x 5x 5x 4x 5x 5x 1x 11x 11x 1x 3x 3x 3x 1x 3x 3x 3x 1x 2x 1x 3x 3x 3x 1x 2x 2x 2x 1x | import {ParseableFile} from './parsable_file';
export type JSONValue = null | number | string | boolean | JSONValue[] | {[k: string]: undefined | JSONValue};
export type JSONObject = {[k: string]: undefined | JSONValue};
export class JSONFile<T extends JSONObject = JSONObject> extends ParseableFile<T> {
stringify(content?: T): string {
return JSON.stringify(content, null, 2) || '{}';
}
parse(content: string): T {
return JSON.parse(content);
}
get parsedContent(): Promise<T> {
return (async () => {
return this.parse(await this.content);
})();
}
/** @see https://stackoverflow.com/a/8817461/340688 */
static getDeep(obj: JSONObject, key: string): undefined | JSONValue {
const paths = key.split('.');
// eslint-disable-next-line
let current: any = obj;
let i;
for (i = 0; i < paths.length; ++i) {
const m = current[paths[i]];
if (m !== undefined && m !== null) {
current = current[paths[i]];
} else {
return undefined;
}
}
return current as JSONValue;
}
/** @see https://stackoverflow.com/a/18937118/340688 */
static setDeep(obj: JSONObject, key: string, value: JSONValue): JSONObject {
const path = key.split('.');
// eslint-disable-next-line
path.reduce((a, b, level): any => {
const len = path.length - 1;
if (typeof a[b] === 'undefined' && level !== len) {
a[b] = {};
return a[b];
}
if (level === len) {
a[b] = value;
return value;
}
return a[b];
}, obj);
return obj;
}
/** @see https://stackoverflow.com/a/48666737/340688 */
static unsetDeep(obj: JSONObject, key: string) {
const path = key.split('.');
for (let i = 0; i < path.length - 1; i++) {
const v = obj[path[i]];
console.log(v);
if (typeof v === 'object' && v && !Array.isArray(v)) {
obj = v;
}
}
const value = path.pop();
if (value) delete obj[value];
}
async getDeep(prop: string) {
const content = await this.parsedContent;
return JSONFile.getDeep(content, prop);
}
async setDeep(prop: string, value: JSONValue) {
const content = await this.parsedContent;
JSONFile.setDeep(content, prop, value);
return await this.update(content);
}
async unsetDeep(prop: string) {
const content = await this.parsedContent;
JSONFile.unsetDeep(content, prop);
return await this.update(content);
}
async get(prop: keyof T) {
return (await this.parsedContent)[prop];
}
async set(prop: keyof T, value: JSONValue) {
const content = await this.parsedContent;
Object.assign(content, {[prop]: value});
return await this.update(content);
}
async unset(prop: keyof T) {
const content = await this.parsedContent;
delete content[prop];
return await this.update(content);
}
}
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