24 lines
710 B
TypeScript
24 lines
710 B
TypeScript
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import fs from 'fs-extra';
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import { TypeValidation } from './TypeValidation';
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export class PathType extends TypeValidation {
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public get string_type (): 'string'|'number'|'boolean'|'array' {
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return 'string';
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}
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public async to_type (value: unknown): Promise<unknown> {
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if (typeof value !== 'string')
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throw new Error (`invalid type for ${this.general_type}`);
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if (!await fs.pathExists (value))
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throw new Error ('path does not exist');
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if (this.general_type === 'path')
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return value;
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const stat = await fs.stat (value);
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if (stat.isDirectory () === (this.general_type === 'folder'))
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return value;
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throw new Error ('cannot assign folder to file');
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}
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}
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