epiphany/node_modules/camelcase-keys/index.js
2023-12-09 22:48:07 -08:00

77 lines
1.6 KiB
JavaScript

'use strict';
const mapObj = require('map-obj');
const camelCase = require('camelcase');
const QuickLru = require('quick-lru');
const has = (array, key) => array.some(x => {
if (typeof x === 'string') {
return x === key;
}
x.lastIndex = 0;
return x.test(key);
});
const cache = new QuickLru({maxSize: 100000});
// Reproduces behavior from `map-obj`
const isObject = value =>
typeof value === 'object' &&
value !== null &&
!(value instanceof RegExp) &&
!(value instanceof Error) &&
!(value instanceof Date);
const camelCaseConvert = (input, options) => {
if (!isObject(input)) {
return input;
}
options = {
deep: false,
pascalCase: false,
...options
};
const {exclude, pascalCase, stopPaths, deep} = options;
const stopPathsSet = new Set(stopPaths);
const makeMapper = parentPath => (key, value) => {
if (deep && isObject(value)) {
const path = parentPath === undefined ? key : `${parentPath}.${key}`;
if (!stopPathsSet.has(path)) {
value = mapObj(value, makeMapper(path));
}
}
if (!(exclude && has(exclude, key))) {
const cacheKey = pascalCase ? `${key}_` : key;
if (cache.has(cacheKey)) {
key = cache.get(cacheKey);
} else {
const returnValue = camelCase(key, {pascalCase, locale: false});
if (key.length < 100) { // Prevent abuse
cache.set(cacheKey, returnValue);
}
key = returnValue;
}
}
return [key, value];
};
return mapObj(input, makeMapper(undefined));
};
module.exports = (input, options) => {
if (Array.isArray(input)) {
return Object.keys(input).map(key => camelCaseConvert(input[key], options));
}
return camelCaseConvert(input, options);
};