Beau/requestCache.js

52 lines
832 B
JavaScript

const { replacementRegex } = require('./shared');
class RequestCache {
constructor() {
this.$cache = {};
}
add(key, value) {
this.$cache[key] = value;
}
get(path) {
let result = this.$cache;
path.split('.').forEach(part => {
if (result === undefined) return;
result = result[part];
});
if (typeof result === 'undefined') {
throw new Error(`${path} not found in cache: `, path);
}
return result;
}
parse(item) {
let type = typeof item;
if (type === 'undefined') {
return {};
}
if (item === null) {
return null;
}
if (type === 'string') {
return item.replace(replacementRegex, key => this.get(key));
}
if (type === 'object') {
Object.keys(item).forEach(k => item[k] = this.parse(item[k]));
return item;
}
return item;
}
}
module.exports = RequestCache;