n8n-nodes-comfyui-media/dist/nodes/ComfyUI/inputProviders.js

n8n node to integrate with ComfyUI stable diffusion workflows for image to video conversion

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.BinaryInputProvider = exports.Base64InputProvider = exports.UrlInputProvider = void 0;
class UrlInputProvider {
    constructor(api, url) {
        this.api = api;
        this.url = url;
    }
    async getBuffer() {
        const response = await this.api.request({ method: 'GET', url: this.url, encoding: null });
        return Buffer.from(response);
    }
}
exports.UrlInputProvider = UrlInputProvider;
class Base64InputProvider {
    constructor(base64) {
        this.base64 = base64;
    }
    async getBuffer() {
        return Buffer.from(this.base64, 'base64');
    }
}
exports.Base64InputProvider = Base64InputProvider;
class BinaryInputProvider {
    constructor(helpers, binaryProperty, items) {
        this.helpers = helpers;
        this.binaryProperty = binaryProperty;
        this.items = items;
    }
    async getBuffer() {
        var _a;
        let propertyName = this.binaryProperty;
        if (!((_a = this.items[0].binary) === null || _a === void 0 ? void 0 : _a[propertyName])) {
            const fallback = Object.keys(this.items[0].binary || {})
                .find(k => { var _a; return (_a = this.items[0].binary[k].mimeType) === null || _a === void 0 ? void 0 : _a.startsWith('image/'); });
            if (!fallback)
                throw new Error(`No valid binary property found`);
            propertyName = fallback;
        }
        return this.helpers.getBinaryDataBuffer(0, propertyName);
    }
}
exports.BinaryInputProvider = BinaryInputProvider;
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