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96 lines
3.3 KiB
96 lines
3.3 KiB
3 years ago
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"use strict";
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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const make_prehandler_1 = __importDefault(require("./lib/make-prehandler"));
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const disk_1 = __importDefault(require("./storage/disk"));
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const memory_1 = __importDefault(require("./storage/memory"));
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const multer_error_1 = __importDefault(require("./lib/multer-error"));
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const content_parser_1 = __importDefault(require("./lib/content-parser"));
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function allowAll(_req, _file, cb) {
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cb(null, true);
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}
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class Multer {
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constructor(options) {
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if (options.storage) {
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this.storage = options.storage;
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}
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else if (options.dest) {
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this.storage = (0, disk_1.default)({ destination: options.dest });
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}
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else {
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this.storage = (0, memory_1.default)();
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}
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this.limits = options.limits;
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this.preservePath = options.preservePath;
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this.fileFilter = options.fileFilter || allowAll;
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this.contentParser = content_parser_1.default;
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}
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_makePreHandler(fields, fileStrategy) {
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const setup = () => {
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const fileFilter = this.fileFilter;
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const filesLeft = Object.create(null);
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fields.forEach(function (field) {
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if (typeof field.maxCount === 'number') {
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filesLeft[field.name] = field.maxCount;
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}
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else {
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filesLeft[field.name] = Infinity;
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}
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});
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function wrappedFileFilter(req, file, cb) {
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if ((filesLeft[file.fieldname] || 0) <= 0) {
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return cb(new multer_error_1.default('LIMIT_UNEXPECTED_FILE', file.fieldname));
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}
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filesLeft[file.fieldname] -= 1;
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fileFilter(req, file, cb);
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}
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return {
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limits: this.limits,
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preservePath: this.preservePath,
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storage: this.storage,
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fileFilter: wrappedFileFilter,
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fileStrategy,
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};
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};
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return (0, make_prehandler_1.default)(setup);
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}
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single(name) {
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return this._makePreHandler([{ name, maxCount: 1 }], 'VALUE');
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}
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array(name, maxCount) {
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return this._makePreHandler([{ name, maxCount }], 'ARRAY');
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}
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fields(fields) {
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return this._makePreHandler(fields, 'OBJECT');
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}
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none() {
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return this._makePreHandler([], 'NONE');
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}
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any() {
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const setup = () => ({
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limits: this.limits,
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preservePath: this.preservePath,
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storage: this.storage,
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fileFilter: this.fileFilter,
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fileStrategy: 'ARRAY',
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});
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return (0, make_prehandler_1.default)(setup);
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}
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}
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const multer = function (options) {
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if (options === undefined) {
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return new Multer({});
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}
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if (typeof options === 'object' && options !== null) {
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return new Multer(options);
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}
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throw new TypeError('Expected object for argument options');
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};
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multer.contentParser = content_parser_1.default;
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multer.diskStorage = disk_1.default;
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multer.memoryStorage = memory_1.default;
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multer.MulterError = multer_error_1.default;
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multer.default = multer;
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module.exports = multer;
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//# sourceMappingURL=index.js.map
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