nx
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JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.updateJson = exports.writeJson = exports.readJson = void 0;
const json_1 = require("../../utils/json");
/**
* Reads a json file, removes all comments and parses JSON.
*
* @param tree - file system tree
* @param path - file path
* @param options - Optional JSON Parse Options
*/
function readJson(tree, path, options) {
if (!tree.exists(path)) {
throw new Error(`Cannot find ${path}`);
}
try {
return (0, json_1.parseJson)(tree.read(path, 'utf-8'), options);
}
catch (e) {
throw new Error(`Cannot parse ${path}: ${e.message}`);
}
}
exports.readJson = readJson;
/**
* Writes a JSON value to the file system tree
* @param tree File system tree
* @param path Path of JSON file in the Tree
* @param value Serializable value to write
* @param options Optional JSON Serialize Options
*/
function writeJson(tree, path, value, options) {
tree.write(path, (0, json_1.serializeJson)(value, options));
}
exports.writeJson = writeJson;
/**
* Updates a JSON value to the file system tree
*
* @param tree File system tree
* @param path Path of JSON file in the Tree
* @param updater Function that maps the current value of a JSON document to a new value to be written to the document
* @param options Optional JSON Parse and Serialize Options
*/
function updateJson(tree, path, updater, options) {
const updatedValue = updater(readJson(tree, path, options));
writeJson(tree, path, updatedValue, options);
}
exports.updateJson = updateJson;
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