A fork of https://github.com/ueokande/vim-vixen
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58 lines
1.3 KiB
58 lines
1.3 KiB
import Validator from './Validator'; |
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const Schema = { |
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type: 'object', |
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properties: { |
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default: { type: 'string' }, |
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engines: { |
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type: 'object', |
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propertyNames: { |
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pattern: '^[A-Za-z_][A-Za-z0-9_]+$', |
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}, |
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patternProperties: { |
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'.*': { type: 'string' }, |
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}, |
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}, |
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}, |
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required: ['default'], |
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}; |
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type Entries = { [name: string]: string }; |
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export type SearchJSON = { |
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default: string; |
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engines: { [key: string]: string }; |
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}; |
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export default class Search { |
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constructor( |
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public defaultEngine: string, |
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public engines: Entries, |
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) { |
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} |
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static fromJSON(json: unknown): Search { |
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let obj = new Validator<SearchJSON>(Schema).validate(json); |
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for (let [name, url] of Object.entries(obj.engines)) { |
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let matches = url.match(/{}/g); |
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if (matches === null) { |
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throw new TypeError(`No {}-placeholders in URL of "${name}"`); |
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} else if (matches.length > 1) { |
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throw new TypeError(`Multiple {}-placeholders in URL of "${name}"`); |
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} |
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} |
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if (!Object.keys(obj.engines).includes(obj.default)) { |
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throw new TypeError(`Default engine "${obj.default}" not found`); |
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} |
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return new Search(obj.default, obj.engines); |
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} |
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toJSON(): SearchJSON { |
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return { |
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default: this.defaultEngine, |
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engines: this.engines, |
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}; |
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} |
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}
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