stale/node_modules/@octokit/endpoint/dist-node/index.js

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var isPlainObject = _interopDefault(require('is-plain-object'));
var universalUserAgent = require('universal-user-agent');

function lowercaseKeys(object) {
  if (!object) {
    return {};
  }

  return Object.keys(object).reduce((newObj, key) => {
    newObj[key.toLowerCase()] = object[key];
    return newObj;
  }, {});
}

function mergeDeep(defaults, options) {
  const result = Object.assign({}, defaults);
  Object.keys(options).forEach(key => {
    if (isPlainObject(options[key])) {
      if (!(key in defaults)) Object.assign(result, {
        [key]: options[key]
      });else result[key] = mergeDeep(defaults[key], options[key]);
    } else {
      Object.assign(result, {
        [key]: options[key]
      });
    }
  });
  return result;
}

function merge(defaults, route, options) {
  if (typeof route === "string") {
    let [method, url] = route.split(" ");
    options = Object.assign(url ? {
      method,
      url
    } : {
      url: method
    }, options);
  } else {
    options = Object.assign({}, route);
  } // lowercase header names before merging with defaults to avoid duplicates


  options.headers = lowercaseKeys(options.headers);
  const mergedOptions = mergeDeep(defaults || {}, options); // mediaType.previews arrays are merged, instead of overwritten

  if (defaults && defaults.mediaType.previews.length) {
    mergedOptions.mediaType.previews = defaults.mediaType.previews.filter(preview => !mergedOptions.mediaType.previews.includes(preview)).concat(mergedOptions.mediaType.previews);
  }

  mergedOptions.mediaType.previews = mergedOptions.mediaType.previews.map(preview => preview.replace(/-preview/, ""));
  return mergedOptions;
}

function addQueryParameters(url, parameters) {
  const separator = /\?/.test(url) ? "&" : "?";
  const names = Object.keys(parameters);

  if (names.length === 0) {
    return url;
  }

  return url + separator + names.map(name => {
    if (name === "q") {
      return "q=" + parameters.q.split("+").map(encodeURIComponent).join("+");
    }

    return `${name}=${encodeURIComponent(parameters[name])}`;
  }).join("&");
}

const urlVariableRegex = /\{[^}]+\}/g;

function removeNonChars(variableName) {
  return variableName.replace(/^\W+|\W+$/g, "").split(/,/);
}

function extractUrlVariableNames(url) {
  const matches = url.match(urlVariableRegex);

  if (!matches) {
    return [];
  }

  return matches.map(removeNonChars).reduce((a, b) => a.concat(b), []);
}

function omit(object, keysToOmit) {
  return Object.keys(object).filter(option => !keysToOmit.includes(option)).reduce((obj, key) => {
    obj[key] = object[key];
    return obj;
  }, {});
}

// Based on https://github.com/bramstein/url-template, licensed under BSD
// TODO: create separate package.
//
// Copyright (c) 2012-2014, Bram Stein
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//  1. Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
//  2. Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in the
//     documentation and/or other materials provided with the distribution.
//  3. The name of the author may not be used to endorse or promote products
//     derived from this software without specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
// EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

/* istanbul ignore file */
function encodeReserved(str) {
  return str.split(/(%[0-9A-Fa-f]{2})/g).map(function (part) {
    if (!/%[0-9A-Fa-f]/.test(part)) {
      part = encodeURI(part).replace(/%5B/g, "[").replace(/%5D/g, "]");
    }

    return part;
  }).join("");
}

function encodeUnreserved(str) {
  return encodeURIComponent(str).replace(/[!'()*]/g, function (c) {
    return "%" + c.charCodeAt(0).toString(16).toUpperCase();
  });
}

function encodeValue(operator, value, key) {
  value = operator === "+" || operator === "#" ? encodeReserved(value) : encodeUnreserved(value);

  if (key) {
    return encodeUnreserved(key) + "=" + value;
  } else {
    return value;
  }
}

function isDefined(value) {
  return value !== undefined && value !== null;
}

function isKeyOperator(operator) {
  return operator === ";" || operator === "&" || operator === "?";
}

function getValues(context, operator, key, modifier) {
  var value = context[key],
      result = [];

  if (isDefined(value) && value !== "") {
    if (typeof value === "string" || typeof value === "number" || typeof value === "boolean") {
      value = value.toString();

      if (modifier && modifier !== "*") {
        value = value.substring(0, parseInt(modifier, 10));
      }

      result.push(encodeValue(operator, value, isKeyOperator(operator) ? key : ""));
    } else {
      if (modifier === "*") {
        if (Array.isArray(value)) {
          value.filter(isDefined).forEach(function (value) {
            result.push(encodeValue(operator, value, isKeyOperator(operator) ? key : ""));
          });
        } else {
          Object.keys(value).forEach(function (k) {
            if (isDefined(value[k])) {
              result.push(encodeValue(operator, value[k], k));
            }
          });
        }
      } else {
        const tmp = [];

        if (Array.isArray(value)) {
          value.filter(isDefined).forEach(function (value) {
            tmp.push(encodeValue(operator, value));
          });
        } else {
          Object.keys(value).forEach(function (k) {
            if (isDefined(value[k])) {
              tmp.push(encodeUnreserved(k));
              tmp.push(encodeValue(operator, value[k].toString()));
            }
          });
        }

        if (isKeyOperator(operator)) {
          result.push(encodeUnreserved(key) + "=" + tmp.join(","));
        } else if (tmp.length !== 0) {
          result.push(tmp.join(","));
        }
      }
    }
  } else {
    if (operator === ";") {
      if (isDefined(value)) {
        result.push(encodeUnreserved(key));
      }
    } else if (value === "" && (operator === "&" || operator === "?")) {
      result.push(encodeUnreserved(key) + "=");
    } else if (value === "") {
      result.push("");
    }
  }

  return result;
}

function parseUrl(template) {
  return {
    expand: expand.bind(null, template)
  };
}

function expand(template, context) {
  var operators = ["+", "#", ".", "/", ";", "?", "&"];
  return template.replace(/\{([^\{\}]+)\}|([^\{\}]+)/g, function (_, expression, literal) {
    if (expression) {
      let operator = "";
      const values = [];

      if (operators.indexOf(expression.charAt(0)) !== -1) {
        operator = expression.charAt(0);
        expression = expression.substr(1);
      }

      expression.split(/,/g).forEach(function (variable) {
        var tmp = /([^:\*]*)(?::(\d+)|(\*))?/.exec(variable);
        values.push(getValues(context, operator, tmp[1], tmp[2] || tmp[3]));
      });

      if (operator && operator !== "+") {
        var separator = ",";

        if (operator === "?") {
          separator = "&";
        } else if (operator !== "#") {
          separator = operator;
        }

        return (values.length !== 0 ? operator : "") + values.join(separator);
      } else {
        return values.join(",");
      }
    } else {
      return encodeReserved(literal);
    }
  });
}

function parse(options) {
  // https://fetch.spec.whatwg.org/#methods
  let method = options.method.toUpperCase(); // replace :varname with {varname} to make it RFC 6570 compatible

  let url = (options.url || "/").replace(/:([a-z]\w+)/g, "{+$1}");
  let headers = Object.assign({}, options.headers);
  let body;
  let parameters = omit(options, ["method", "baseUrl", "url", "headers", "request", "mediaType"]); // extract variable names from URL to calculate remaining variables later

  const urlVariableNames = extractUrlVariableNames(url);
  url = parseUrl(url).expand(parameters);

  if (!/^http/.test(url)) {
    url = options.baseUrl + url;
  }

  const omittedParameters = Object.keys(options).filter(option => urlVariableNames.includes(option)).concat("baseUrl");
  const remainingParameters = omit(parameters, omittedParameters);
  const isBinaryRequset = /application\/octet-stream/i.test(headers.accept);

  if (!isBinaryRequset) {
    if (options.mediaType.format) {
      // e.g. application/vnd.github.v3+json => application/vnd.github.v3.raw
      headers.accept = headers.accept.split(/,/).map(preview => preview.replace(/application\/vnd(\.\w+)(\.v3)?(\.\w+)?(\+json)?$/, `application/vnd$1$2.${options.mediaType.format}`)).join(",");
    }

    if (options.mediaType.previews.length) {
      const previewsFromAcceptHeader = headers.accept.match(/[\w-]+(?=-preview)/g) || [];
      headers.accept = previewsFromAcceptHeader.concat(options.mediaType.previews).map(preview => {
        const format = options.mediaType.format ? `.${options.mediaType.format}` : "+json";
        return `application/vnd.github.${preview}-preview${format}`;
      }).join(",");
    }
  } // for GET/HEAD requests, set URL query parameters from remaining parameters
  // for PATCH/POST/PUT/DELETE requests, set request body from remaining parameters


  if (["GET", "HEAD"].includes(method)) {
    url = addQueryParameters(url, remainingParameters);
  } else {
    if ("data" in remainingParameters) {
      body = remainingParameters.data;
    } else {
      if (Object.keys(remainingParameters).length) {
        body = remainingParameters;
      } else {
        headers["content-length"] = 0;
      }
    }
  } // default content-type for JSON if body is set


  if (!headers["content-type"] && typeof body !== "undefined") {
    headers["content-type"] = "application/json; charset=utf-8";
  } // GitHub expects 'content-length: 0' header for PUT/PATCH requests without body.
  // fetch does not allow to set `content-length` header, but we can set body to an empty string


  if (["PATCH", "PUT"].includes(method) && typeof body === "undefined") {
    body = "";
  } // Only return body/request keys if present


  return Object.assign({
    method,
    url,
    headers
  }, typeof body !== "undefined" ? {
    body
  } : null, options.request ? {
    request: options.request
  } : null);
}

function endpointWithDefaults(defaults, route, options) {
  return parse(merge(defaults, route, options));
}

function withDefaults(oldDefaults, newDefaults) {
  const DEFAULTS = merge(oldDefaults, newDefaults);
  const endpoint = endpointWithDefaults.bind(null, DEFAULTS);
  return Object.assign(endpoint, {
    DEFAULTS,
    defaults: withDefaults.bind(null, DEFAULTS),
    merge: merge.bind(null, DEFAULTS),
    parse
  });
}

const VERSION = "6.0.1";

const userAgent = `octokit-endpoint.js/${VERSION} ${universalUserAgent.getUserAgent()}`; // DEFAULTS has all properties set that EndpointOptions has, except url.
// So we use RequestParameters and add method as additional required property.

const DEFAULTS = {
  method: "GET",
  baseUrl: "https://api.github.com",
  headers: {
    accept: "application/vnd.github.v3+json",
    "user-agent": userAgent
  },
  mediaType: {
    format: "",
    previews: []
  }
};

const endpoint = withDefaults(null, DEFAULTS);

exports.endpoint = endpoint;
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