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' +\n 'You can find your Transloadit API key at https://transloadit.com/account/api-settings.')\n }\n}\n\n/**\n * Turn Transloadit plugin options and a list of files into a list of Assembly\n * options.\n */\nclass AssemblyOptions {\n constructor (files, opts) {\n this.files = files\n this.opts = opts\n }\n\n /**\n * Normalize Uppy-specific Assembly option features to a Transloadit-\n * compatible object.\n */\n _normalizeAssemblyOptions (file, assemblyOptions) {\n if (Array.isArray(assemblyOptions.fields)) {\n const fieldNames = assemblyOptions.fields\n assemblyOptions.fields = {}\n fieldNames.forEach((fieldName) => {\n assemblyOptions.fields[fieldName] = file.meta[fieldName]\n })\n }\n\n if (!assemblyOptions.fields) {\n assemblyOptions.fields = {}\n }\n\n return assemblyOptions\n }\n\n /**\n * Get Assembly options for a file.\n */\n _getAssemblyOptions (file) {\n const options = this.opts\n\n return Promise.resolve()\n .then(() => {\n return options.getAssemblyOptions(file, options)\n })\n .then((assemblyOptions) => {\n return this._normalizeAssemblyOptions(file, assemblyOptions)\n })\n .then((assemblyOptions) => {\n validateParams(assemblyOptions.params)\n\n return {\n fileIDs: [file.id],\n options: assemblyOptions\n }\n })\n }\n\n /**\n * Combine Assemblies with the same options into a single Assembly for all the\n * relevant files.\n */\n _dedupe (list) {\n const dedupeMap = Object.create(null)\n list.forEach(({ fileIDs, options }) => {\n const id = JSON.stringify(options)\n if (dedupeMap[id]) {\n dedupeMap[id].fileIDs.push(...fileIDs)\n } else {\n dedupeMap[id] = {\n options,\n fileIDs: [...fileIDs]\n }\n }\n })\n\n return Object.keys(dedupeMap).map((id) => dedupeMap[id])\n }\n\n /**\n * Generate a set of Assemblies that will handle the upload.\n * Returns a Promise for an object with keys:\n * - fileIDs - an array of file IDs to add to this Assembly\n * - options - Assembly options\n */\n build () {\n const options = this.opts\n\n if (this.files.length > 0) {\n return Promise.all(\n this.files.map((file) => this._getAssemblyOptions(file))\n ).then((list) => {\n return this._dedupe(list)\n })\n }\n\n if (options.alwaysRunAssembly) {\n // No files, just generate one Assembly\n return Promise.resolve(\n options.getAssemblyOptions(null, options)\n ).then((assemblyOptions) => {\n validateParams(assemblyOptions.params)\n return [{\n fileIDs: this.files.map((file) => file.id),\n options: assemblyOptions\n }]\n })\n }\n\n // If there are no files and we do not `alwaysRunAssembly`,\n // don't do anything.\n return Promise.resolve([])\n }\n}\n\nmodule.exports = AssemblyOptions\nmodule.exports.validateParams = validateParams\n"]} |