@naktibalda/stub-azure-function-context/dist/bindings/http-binding.js

Unmaintained fork of stub-azure-function-context

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.HttpBinding = void 0;
const content_type_1 = require("content-type");
const url_1 = require("url");
function safeJSONParse(text, reviver) {
    try {
        return JSON.parse(text, reviver);
    }
    catch (e) {
        return undefined;
    }
}
class ObjectIterator {
    constructor(data) {
        this.index = 0;
        this.data = Object.entries(data);
    }
    next() {
        try {
            return {
                value: this.data[this.index],
                done: this.data.length === this.index,
            };
        }
        finally {
            this.index++;
        }
    }
}
class FormData {
    constructor(data) {
        this.data = data;
    }
    get length() {
        return Object.keys(this.data).length;
    }
    [Symbol.iterator]() {
        return new ObjectIterator(this.data);
    }
    get(name) {
        var _a;
        return (_a = this.data[name]) !== null && _a !== void 0 ? _a : null;
    }
    getAll(name) {
        if (this.has(name)) {
            return [this.get(name)];
        }
        return [];
    }
    has(name) {
        return Object.prototype.hasOwnProperty.call(this.data, name);
    }
}
function createHttpRequest(data = {}) {
    var _a, _b, _c, _d, _e, _f, _g, _h;
    return {
        headers: Object.entries(data.headers || {}).reduce((headers, [key, value]) => {
            return {
                ...headers,
                [key.toLowerCase()]: value,
            };
        }, {}),
        body: (_b = (_a = data.body) !== null && _a !== void 0 ? _a : safeJSONParse(data.rawBody)) !== null && _b !== void 0 ? _b : data.rawBody,
        method: (_c = data.method) !== null && _c !== void 0 ? _c : 'GET',
        params: (_d = data.params) !== null && _d !== void 0 ? _d : {},
        query: (_e = data.query) !== null && _e !== void 0 ? _e : {},
        rawBody: (_f = data.rawBody) !== null && _f !== void 0 ? _f : JSON.stringify(data.body),
        url: (_g = data.url) !== null && _g !== void 0 ? _g : 'https://example.com/',
        user: (_h = data.user) !== null && _h !== void 0 ? _h : null,
        parseFormBody() {
            if (!this.headers['content-type']) {
                throw new Error('No content-type specified, cannot parse form body');
            }
            const contentType = (0, content_type_1.parse)(this.headers['content-type']);
            if (['multipart/form-data', 'application/x-www-form-urlencoded'].includes(contentType.type)) {
                throw new Error('content-type must be one of multipart/form-data or application/x-www-form-urlencoded');
            }
            if (contentType.type === 'application/x-www-form-urlencoded') {
                const data = new url_1.URL(this.rawBody);
                return new FormData(Object.entries(data.searchParams).reduce((formData, [name, value]) => {
                    return {
                        ...formData,
                        [name]: { value: Buffer.from(value) },
                    };
                }, {}));
            }
            throw new Error('multipart/form-data support not yet implemented');
        },
    };
}
class HttpBinding {
    constructor(bindingData) {
        this.data = createHttpRequest(bindingData);
    }
    toTrigger() {
        return this.data;
    }
    toContextBinding() {
        return this.data;
    }
}
exports.HttpBinding = HttpBinding;
//# sourceMappingURL=http-binding.js.map