Beau/requestCache.js

47 lines
845 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('Key not found in cache: ', path);
}
return result;
}
safely(val) {
if (typeof val === 'undefined')
return {};
return this.parse(val);
}
parse(item) {
if (typeof item === 'string') {
return item.replace(replacementRegex, key => this.get(key));
} else if(typeof item === 'object' && item !== null) {
Object.keys(item).forEach(k => item[k] = this.parse(item[k]));
return item;
} else {
return item;
}
}
}
module.exports = RequestCache;