60 lines
2.9 KiB
TypeScript
60 lines
2.9 KiB
TypeScript
import { ISettings, Product } from './interfaces/ISettings';
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import verifyProductName from './verifyProductName';
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const settings: ISettings = {};
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/** Sets the given setting to the given value. Throws an error if key is invalid, or value doesn't match the key. */
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export const set = (key: string, value: any) => {
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switch (key) {
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case 'product':
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//TODO: need to verify input (one of allowed products)
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if (typeof value !== 'string') { throw new Error(`product must be a string but it's a "${typeof value}".`); }
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if (!verifyProductName(value)) { throw new Error(`"${value}" is not an allowed product.`); }
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settings.product = value as Product;
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break;
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case 'release':
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//verify input (must be a number >=0, and >settings.from)
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if (typeof value !== 'number') { throw new Error(`release must be a number but it's a "${typeof value}".`); }
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if ((value | 0) !== value) { throw new Error(`release must be an integer but it's ${value}.`); }
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if (value < 0) { throw new Error(`release must be a non-negative integer but it's ${value}.`); }
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if (settings.from !== undefined && value <= settings.from ) { throw new Error(`release must be bigger than from but ${value} is not bigger than ${settings.from}.`); }
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settings.release = value;
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break;
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case 'from':
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//TODO: need to verify input (it's a number >=-1 and <setting.release)
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if (typeof value !== 'number') { throw new Error(`from must be a number but it's a "${typeof value}".`); }
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if ((value | 0) !== value) { throw new Error(`from must be an integer but it's ${value}.`); }
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if (value < -1) { throw new Error(`from must be a non-negative integer or -1, but it's ${value}.`); }
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if (settings.release !== undefined && value >= settings.release ) { throw new Error(`from must be smaller than release but ${value} is not smaller than ${settings.release}.`); }
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settings.from = value;
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break;
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case 'outputType':
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//need to verify input (it's info or file)
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if (typeof value !== 'string') { throw new Error(`outputType must be a string but it's a "${typeof value}".`); }
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if (value !== 'info' && value !== 'file') { throw new Error(`outputType must be "info" or "file" but it's "${value}".`); }
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settings.outputType = value;
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break;
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default:
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throw new Error(`The configuration setting ${key} does not exist.`);
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}
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};
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/** Verify that all required settings were set. Throws an error if not. */
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export const verify = () => {
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if (settings.product === undefined) {
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throw new Error('No product set.');
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}
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if (settings.release === undefined) {
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throw new Error('No release set.');
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}
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if (settings.from === undefined) {
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throw new Error('No from set.');
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}
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if (settings.outputType === undefined) {
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throw new Error('No outputType set.');
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}
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return true;
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};
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/** Gets the value for the given setting. */
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export const get = (key: string) => settings[key];
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