@brightkyefoo/form-data/src/index.ts

Extension de FormData pour ajouter JSON stringifié si nécessaire

export default class BrightFormData extends FormData {
    override append(name: string, value: any) {
        if (typeof value === 'string' || value instanceof Blob) {
            super.append(name, value)
        } else {
            super.append(name, JSON.stringify(value))
        }
    }

    override get(name: string): FormDataEntryValue | null {
        const notComputedValue = super.get(name)
        if (!notComputedValue)
            return null

        if (notComputedValue instanceof File)
            return notComputedValue

        try {
            return JSON.parse(notComputedValue)
        } catch (_) {
            return notComputedValue
        }
    }

    override set(name: string, value: any) {
        if (typeof value === 'string' || value instanceof Blob) {
            super.set(name, value)
        } else {
            super.set(name, JSON.stringify(value))
        }
    }

    /**
     * This method help appending multiple files as an array to the key name specified
     * @param name is the name of the key you want to append
     * @param files is an array of files
     */
    addFiles(name: string, files: File[]) {
        for (let i = 0; i < files.length; i++) {
            this.append(`${name}[]`, files[i]);
        }
    }
}