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Wikiapi.js
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/**
* @name Wikiapi.js
*
* @fileoverview Main codes of module wikiapi (class Wikiapi)
*/
'use strict';
/**
* @description CeJS controller
*
* @type Function
*
* @ignore
* @inner
*
* @see https://github.com/kanasimi/CeJS
*/
let CeL;
try {
// Load CeJS library.
CeL = require('cejs');
if (typeof CeL.then === 'function' && typeof window === "object" && window.CeL) {
// assert: @Snowpack
CeL = window.CeL;
}
} catch (e) /* istanbul ignore next: Only for debugging locally */ {
// https://github.com/gotwarlost/istanbul/blob/master/ignoring-code-for-coverage.md
// const Wikiapi = require('./wikiapi.js');
require('./_CeL.loader.nodejs.js');
CeL = globalThis.CeL;
}
// assert: typeof CeL === 'function'
// Load modules.
// @see `wiki loader.js`:
// https://github.com/kanasimi/wikibot/blob/master/wiki%20loader.js
CeL.run(['interact.DOM', 'application.debug',
// 載入不同地區語言的功能 for wiki.work()。
'application.locale',
// 載入操作維基百科的主要功能。
'application.net.wiki',
// Optional 可選功能
'application.net.wiki.data', 'application.net.wiki.admin',
// Add color to console messages. 添加主控端報告的顏色。
'interact.console',
// for 'application.platform.nodejs': CeL.env.arg_hash, wiki_API.cache(),
// CeL.fs_mkdir(), wiki_API.read_dump()
'application.storage']);
// --------------------------------------------------------
/**
* @description syntactic sugar for CeJS MediaWiki module. CeL.net.wiki === CeL.wiki
*
* @ignore
* @inner
*/
const wiki_API = CeL.net.wiki;
/**
* key to get {@link wiki_API} operator when using {@link wiki_API}.
*
* @type Symbol
*
* @ignore
* @inner
*/
const KEY_SESSION = wiki_API.KEY_SESSION;
// Set default language. 改變預設之語言。
wiki_API.set_language('en');
/**
* @description key to get {@link wiki_API} operator inside {@link Wikiapi}.
* <code>this[KEY_wiki_session]</code> inside module code will get {@link wiki_API} operator.
*
* @type Symbol
*
* @ignore
* @inner
*/
const KEY_wiki_session = Symbol('wiki_API session');
// for debug
// Wikiapi.KEY_wiki_session = KEY_wiki_session;
/**
* @description main Wikiapi operator 操作子.
*
* @param {String|Object} [API_URL] - language code or service endpoint of MediaWiki project.<br />
* Input {Object} will be treat as options.
*
* @class
*/
function Wikiapi(API_URL) {
const wiki_session = new wiki_API(null, null, API_URL);
// this[KEY_wiki_session] = new wiki_API(null, null, API_URL);
setup_wiki_session.call(this, wiki_session);
}
// --------------------------------------------------------
/**
* @description Bind {@link wiki_API} instance to {@link Wikiapi} instance
*
* @param {wiki_API} wiki_session - wiki_API session
*
* @ignore
* @inner
*/
function setup_wiki_session(wiki_session) {
Object.defineProperty(this, KEY_wiki_session, {
value: wiki_session,
writable: true,
});
}
/**
* @alias login
* @description login into the target MediaWiki API using the provided username and password.
* For bots, see [[Special:BotPasswords]] on your wiki.
*
* @param {String} user_name - Account username.
* @param {String} password - Account's password.
* @param {String} [API_URL] - API URL of target wiki site.
*
* @returns {Promise} Promise object represents {String} login_name
*
* @example <caption><span id="example__Login to wiki site 1">Login to wiki site method 1 (recommend).</span></caption>
// <code>
const wiki = new Wikiapi;
const login_options = {
user_name: '', password: '', API_URL: 'en',
// e.g., lingualibre. @see https://github.com/kanasimi/wikibot/blob/master/wiki%20configuration.sample.js
//data_API_URL: 'https://lingualibre.org/api.php',
//SPARQL_API_URL: 'https://lingualibre.org/bigdata/namespace/wdq/sparql',
// Calling in another domain
origin: '*'
};
await wiki.login(login_options);
// </code>
*
* @example <caption><span id="example__Login to wiki site 2">Login to wiki site method 2.</span></caption>
// <code>
const wiki = new Wikiapi;
await wiki.login('user_name', 'password', 'en');
// </code>
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_login(user_name, password, API_URL) {
let options;
if (!password && !API_URL && CeL.is_Object(user_name)) {
options = user_name;
} else if (CeL.is_Object(API_URL)) {
options = { ...API_URL, user_name, password };
} else {
options = { user_name, password, API_URL };
}
function Wikiapi_login_executor(resolve, reject) {
const wiki_session = wiki_API.login({
preserve_password: true,
...options,
API_URL: options.API_URL || this[KEY_wiki_session].API_URL,
callback(login_name, error) {
if (error) {
reject(error);
} else {
resolve(login_name);
}
},
// task_configuration_page: 'page title',
});
setup_wiki_session.call(this, wiki_session);
}
return new Promise(Wikiapi_login_executor.bind(this));
}
// --------------------------------------------------------
/**
* @description attributes of {Object} page_data, will setup by {@link set_page_data_attributes}.
*
* @type Object
*
* @ignore
* @inner
*/
const page_data_attributes = {
/**
* @description get {String}page content, maybe undefined.
* 條目/頁面內容 = wiki_API.revision_content(revision)
*
* @type String
*/
wikitext: {
get() {
// console.trace(this);
// console.log(wiki_API.content_of(this, 0));
return wiki_API.content_of(this, 0);
}
},
/**
* @description get {Object}revisions
*
* @type Object
*/
revision: {
value: function revision(revision_NO) {
return wiki_API.content_of(this, revision_NO);
}
},
/**
* @description get {Attay} parsed data of page_data
*
* @type Array
*/
parse: {
value: function parse(options) {
// this === page_data
// options = { ...options, [KEY_SESSION]: this[KEY_wiki_session] };
options = Wikiapi.prototype.append_session_to_options.call(this, options);
// using function parse_page(options) @ wiki_API
return wiki_API.parser(this, options).parse();
// return {Array}parsed
}
},
};
/**
* @description Bind {@link page_data_attributes} to <code>page_data</code>
*
* @param {Object} page_data - page data
* @param {wiki_API} wiki - wiki_API session
*
* @returns {Promise} Promise object represents {Object} page's data
*
* @ignore
* @inner
*/
function set_page_data_attributes(page_data, wiki) {
// `page_data` maybe non-object when error occurres.
if (page_data) {
page_data[KEY_wiki_session] = wiki;
Object.defineProperties(page_data, page_data_attributes);
}
return page_data;
}
/**
* @alias page
* @description Given a title, returns the page's data.
*
* @param {String} title - page title
* @param {Object} [options] - options to run this function
*
* @returns {Promise} Promise object represents {Object} page's data
*
* @example <caption>load page</caption>
// <code>
// on Wikipedia...
const wiki = new Wikiapi('en');
// ...or other MediaWiki websites
//const wiki = new Wikiapi('https://awoiaf.westeros.org/api.php');
let page_data = await wiki.page('Universe', {
// You may also set rvprop.
//rvprop: 'ids|content|timestamp|user',
});
console.log(page_data.wikitext);
// </code>
*
* @example <caption>Get multi revisions</caption>
// <code>
const wiki = new Wikiapi;
let page_data = await wiki.page('Universe', {
// Get multi revisions
revisions: 2
});
console.log(page_data.wikitext);
// </code>
*
* @example <caption>parse wiki page (The parser is more powerful than the example. Please refer to link of wikitext parser examples showing in "Features" section of README.md.)</caption>
// <code>
// Usage with other language
const zhwiki = new Wikiapi('zh');
await zhwiki.login('user', 'password');
let page_data = await zhwiki.page('Universe');
// `page_data.parse(options)` will startup the parser process, create page_data.parsed. After .parse(), we can use parsed.each().
const parsed = page_data.parse();
// See all type in wiki_toString @ https://github.com/kanasimi/CeJS/tree/master/application/net/wiki/parser/wikitext.js
// List all template name.
parsed.each('template', token => console.log(token.name));
// List all [[Template:Tl]] token.
parsed.each('Template:Tl', token => console.log(token));
// </code>
*
* @example <caption>Get information from Infobox template</caption>
// <code>
const wiki = new Wikiapi('en');
const page_data = await wiki.page('JavaScript');
const parsed = page_data.parse();
let infobox;
// Read [[w:en:MOS:INFOBOX|Infobox templates]], convert to JSON.
parsed.each('template', template_token => {
if (template_token.name.startsWith('Infobox')) {
infobox = template_token.parameters;
return parsed.each.exit;
}
});
for (const [key, value] of Object.entries(infobox))
infobox[key] = value.toString();
// print json of the infobox
console.log(infobox);
// </code>
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_page(title, options) {
function Wikiapi_page_executor(resolve, reject) {
const wiki = this[KEY_wiki_session];
wiki.page(title, (page_data, error) => {
if (error) {
reject(error);
} else {
resolve(set_page_data_attributes(page_data, wiki));
}
}, {
// node.js v12.22.7: Cannot use "?."
rvlimit: options && options.revisions,
...options
});
}
return new Promise(Wikiapi_page_executor.bind(this));
}
// --------------------------------------------------------
/**
* @alias tracking_revisions
* @description tracking revisions to lookup what revision had added / removed <code>to_search</code>.
*
* @param {String} title - page title
* @param {String} to_search - filter / text to search. to_search(diff, revision, old_revision): `diff` 為從舊的版本 `old_revision` 改成 `revision` 時的差異。
* @param {Object} [options] - options to run this function
*
* @returns {Promise} Promise object represents {Object} newer_revision,
* newer_revision.page: page_data
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_tracking_revisions(title, to_search, options) {
function Wikiapi_tracking_revisions_executor(resolve, reject) {
const wiki = this[KEY_wiki_session];
wiki.tracking_revisions(title, to_search, (revision, page_data, error) => {
if (error) {
reject(error);
} else {
if (!revision)
revision = Object.create(null);
revision.page = page_data;
resolve(revision);
}
}, options);
}
return new Promise(Wikiapi_tracking_revisions_executor.bind(this));
}
// --------------------------------------------------------
/**
* @description Handle the result of MediaWiki API when executing edit operation.
*
* @param {Function} reject - reject function
* @param {any} error - error object / message
* @param {any} [result] - result of MediaWiki API
*
* @returns {Boolean} Return <code>true</code> if the edit operation failed.
*
* @ignore
* @inner
*/
function reject_edit_error(reject, error, result) {
// skip_edit is not error
if (!error
// e.g., set options.skip_nochange
// @see function do_batch_work_summary @ CeL.application.net.wiki.task
|| error === 'nochange' || error === 'skip'
// @see wiki_API_edit.check_data
|| Array.isArray(error) && error[0] === Wikiapi.skip_edit[0]) {
return;
}
if (Array.isArray(error) && typeof error[1] === 'string') {
// console.log('' + reject);
// console.trace(error);
error = error[1];
const error_object = new Error(error);
error_object.from_string = error;
error = error_object
// console.log(error);
}
if (result && error && typeof error === 'object')
error.result = result;
reject(error);
return true;
}
/**
* @alias edit_page
* @description edits content of target page.<br />
* Note: for multiple pages, you should use {@link Wikiapi#for_each_page}.<br />
* Note: The function will check sections of [[User talk:user name/Stop]] if somebody tells us needed to stop edit. See <a href="https://en.wikipedia.org/wiki/User:Cewbot/Stop">mechanism to stop operations</a>.
*
* @param {String} title - page title
* @param {String|Function} content - 'wikitext page content' || page_data => 'wikitext'
* @param {Object} [options] - options to run this function. e.g., { summary: '', bot: 1, nocreate: 1, minor: 1 }
*
* @returns {Promise} Promise object represents {Object} result of MediaWiki API
*
* @example <caption>edit page: method 1: basic operation</caption>
// <code>
const enwiki = new Wikiapi;
await enwiki.login('bot name', 'password', 'en');
const SB_page_data = await enwiki.page('Wikipedia:Sandbox');
// You may do some operations on SB_page_data
const parsed = SB_page_data.parse();
parsed.each('template', template_token => {
// modify template token
});
// and then edit it. ** You MUST call enwiki.page() before enwiki.edit()! **
await enwiki.edit(parsed.toString(), { bot: 1, minor: 1, nocreate: 1 });
// exmaple 2: append text in the tail of page content
await enwiki.edit(page_data => {
return page_data.wikitext
+ '\nTest edit using {{GitHub|kanasimi/wikiapi}}.';
}, { bot: 1 });
// exmaple 3: replace page content
await enwiki.edit('Just replace by this wikitext', { bot: 1, minor: 1, nocreate: 1, summary: 'test edit' });
// exmaple 4: append a new section
await enwiki.edit('section content', {
section: 'new',
sectiontitle: 'section title',
nocreate : 1,
summary: 'test edit',
});
// </code>
*
* @example <caption>edit page: method 2: modify summary inside function</caption>
// <code>
const enwiki = new Wikiapi;
await enwiki.login('bot name', 'password', 'en');
await enwiki.edit_page('Wikipedia:Sandbox', function (page_data) {
this.summary += ': You may set additional summary inside the function';
delete this.minor;
return page_data.wikitext
+ '\nTest edit using {{GitHub|kanasimi/wikiapi}}.';
}, { bot: 1, nocreate: 1, minor: 1, redirects: 1, summary: 'test edit' });
// </code>
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_edit_page(title, content, options) {
function Wikiapi_edit_page_executor(resolve, reject) {
const wiki = this[KEY_wiki_session];
// console.trace([title, content]);
// console.trace(`Wikiapi_edit_page 1: ${wiki_API.title_link_of(title)}, ${wiki.actions.length} actions, ${wiki.running}/${wiki.thread_count}/${wiki.actions[wiki_API.KEY_waiting_callback_result_relying_on_this]}.`);
// console.trace(title);
// CeL.set_debug(6);
if (title) {
// console.trace(wiki);
options = { ...options, error_with_symbol: true };
if (false && options.page_to_edit && wiki_API.title_of(options.page_to_edit) !== wiki_API.title_of(title)) {
console.trace('delete options.page_to_edit!');
delete options.page_to_edit;
}
// 預防 page 本身是非法的頁面標題。當 session.page() 出錯時，將導致沒有 .last_page。
if (wiki_API.content_of.had_fetch_content(title)) {
options.page_to_edit = title;
} else {
options.page_title_to_edit = title;
options.page_to_edit = wiki_API.VALUE_set_page_to_edit;
// 設定個僅 debug 用、無功能的註記。
//options[Symbol('page title to edit')] = title;
}
// call wiki_API_prototype_method() @ CeL.application.net.wiki.list
wiki.page(title, (page_data, error) => {
// console.trace(`Set .page_to_edit: ${wiki_API.title_link_of(page_data)} (${title}) (${wiki_API.title_link_of(options.page_to_edit)})`);
// console.trace(options);
// console.log([page_data, error]);
// console.log(wiki.actions[0]);
// if (!page_data) console.trace(page_data);
// 手動指定要編輯的頁面。避免多執行續打亂 wiki.last_page。
// Will set at wiki_API.prototype.next
//options.page_to_edit = page_data;
}, options);
}
// console.trace(`Wikiapi_edit_page 2: ${wiki_API.title_link_of(title)}, ${wiki.actions.length} actions, ${wiki.running}/${wiki.thread_count}/${wiki.actions[wiki_API.KEY_waiting_callback_result_relying_on_this]}.`);
// console.trace(wiki);
// console.trace(wiki.last_page);
// wiki.edit(page contents, options, callback)
wiki.edit(typeof content === 'function' ? function (page_data) {
// console.trace(`Get page_data of ${wiki_API.title_link_of(page_data)} (${title})`);
return content.call(this, set_page_data_attributes(page_data, wiki));
} : content, options, (title, error, result) => {
// console.trace(`Wikiapi_edit_page: callbacked: ${wiki_API.title_link_of(title)} (${wiki.running})`);
// CeL.set_debug(6);
if (!reject_edit_error(reject, error, result)) {
// console.log('Wikiapi_edit_page: resolve');
resolve(title);
}
// console.log('Wikiapi_edit_page: callback() return');
});
// console.trace(`Wikiapi_edit_page 3: ${wiki_API.title_link_of(title)}, ${wiki.actions.length} actions, ${wiki.running}/${wiki.thread_count}/${wiki.actions[wiki_API.KEY_waiting_callback_result_relying_on_this]}.`);
}
return new Promise(Wikiapi_edit_page_executor.bind(this));
}
// <code>return Wikiapi.skip_edit;</code> as a symbol to skip this edit, do not generate
// warning message.
// 可以利用 ((return [ wiki_API.edit.cancel, 'reason' ];)) 來回傳 reason。
// ((return [ wiki_API.edit.cancel, 'skip' ];)) 來跳過 (skip) 本次編輯動作，不特別顯示或處理。
// 被 skip/pass 的話，連警告都不顯現，當作正常狀況。
/**
* @description Return <code>Wikiapi.skip_edit</code> when we running edit function, but do not want to edit current page.
*
* @memberof Wikiapi
*/
Wikiapi.skip_edit = [wiki_API.edit.cancel, 'skip'];
// --------------------------------------------------------
/**
* @alias move_page
* @description Move page <code>move_from_title</code> to <code>move_to_title</code>.
*
* @param {Object|String} move_from_title - move from title
* @param {Object|String} move_to_title - move to title
* @param {Object} [options] - options to run this function
*
* @returns {Promise} Promise object represents {String} result of MediaWiki API
*
* @example <caption>Move <code>move_from_title</code> to <code>move_to_title</code>.</caption>
// <code>
await wiki.move_page(move_from_title, move_to_title, { reason, noredirect: true, movetalk: true });
// </code>
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_move_page(move_from_title, move_to_title, options) {
function Wikiapi_move_page_executor(resolve, reject) {
const wiki = this[KEY_wiki_session];
// using wiki_API.prototype.move_page()
wiki.move_page(move_from_title, move_to_title, options, (data, error) => {
if (error) {
/**
* <code>
e.g., { code: 'articleexists', info: 'A page of that name already exists, or the name you have chosen is not valid. Please choose another name.', '*': '...' }
e.g., { code: 'missingtitle', info: "The page you specified doesn't exist.", '*': '...' }
</code>
*/
reject(error);
} else {
/**
* <code>
e.g., { from: 'from', to: 'to', reason: 'move', redirectcreated: '', moveoverredirect: '' }
</code>
*/
resolve(data);
}
}, options);
}
return new Promise(Wikiapi_move_page_executor.bind(this));
}
/**
* @alias move_to
* @description Move to <code>move_to_title</code>. <em>Must call {@link Wikiapi#page} first!</em>
*
* @param {Object|String} move_to_title - move to title
* @param {Object} [options] - options to run this function
*
* @returns {Promise} Promise object represents {String} result of MediaWiki API
*
* @example <caption>Move <code>move_from_title</code> to <code>move_to_title</code>.</caption>
// <code>
page_data = await wiki.page(move_from_title);
await wiki.move_to(move_to_title, { reason: reason, noredirect: true, movetalk: true });
// </code>
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_move_to(move_to_title, options) {
function Wikiapi_move_to_executor(resolve, reject) {
const wiki = this[KEY_wiki_session];
if (!wiki.last_page) {
reject(new Error(Wikiapi_move_to.name + ': Must call .page() first! '
// gettext_config:{"id":"cannot-move-to-$1"}
+ CeL.gettext('Cannot move to %1', wiki_API.title_link_of(move_to_title))));
return;
}
// using wiki_API.prototype.move_to()
wiki.move_to(move_to_title, options, (data, error) => {
if (error) {
/**
* <code>
e.g., { code: 'articleexists', info: 'A page of that name already exists, or the name you have chosen is not valid. Please choose another name.', '*': '...' }
e.g., { code: 'missingtitle', info: "The page you specified doesn't exist.", '*': '...' }
</code>
*/
reject(error);
} else {
/**
* <code>
e.g., { from: 'from', to: 'to', reason: 'move', redirectcreated: '', moveoverredirect: '' }
</code>
*/
resolve(data);
}
}, options);
}
return new Promise(Wikiapi_move_to_executor.bind(this));
}
// --------------------------------------------------------
/**
* @alias query
* @description query MediaWiki API manually
*
* @param {Object} parameters - parameters to call MediaWiki API
* @param {Object} [options] - options to run this function
*
* @returns {Promise} Promise object represents {Object} result of MediaWiki API
*
* @example <caption>query flow-parsoid-utils</caption>
// <code>
const wiki = new Wikiapi('mediawiki');
const results = await wiki.query({
action: "flow-parsoid-utils",
content: "<b>bold</b> & <i>italic</i>",
title: "MediaWiki", from: "html", to: "wikitext"
});
// </code>
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_query(parameters, options) {
function Wikiapi_query_executor(resolve, reject) {
const wiki = this[KEY_wiki_session];
wiki.query_API(parameters, (data, error) => {
if (error) {
reject(error);
} else {
resolve(data);
}
}, {
post_data_only: true,
...options
});
}
return new Promise(Wikiapi_query_executor.bind(this));
}
// --------------------------------------------------------
/**
* @alias purge
* @description Purge the cache for the given title.
*
* @param {Object} title - page title
* @param {Object} [options] - options to run this function
*
* @returns {Promise} Promise object represents {Object} page_data
*
* @example <caption>query flow-parsoid-utils</caption>
// <code>
const metawiki = new Wikiapi('meta');
let page_data = await metawiki.purge('Project:Sandbox');
// </code>
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_purge(title, options) {
if (CeL.is_Object(title) && !options) {
// shift arguments.
[title, options] = [null, title];
}
function Wikiapi_purge_executor(resolve, reject) {
const wiki = this[KEY_wiki_session];
if (title) {
wiki.page(title);
}
// using wiki_API.purge
wiki.purge((data, error) => {
if (error) {
reject(error);
} else {
resolve(data);
}
}, options);
}
return new Promise(Wikiapi_purge_executor.bind(this));
}
// --------------------------------------------------------
/**
* @description Bind properties to {@link wiki_API} data entity.
* 設定 wikidata entity object，讓我們能直接操作 entity.modify()，並且避免洩露 wiki_API session。
*
* @param {Object} data_entity - wiki_API data entity
*
* @ignore
* @inner
*/
function setup_data_entity(data_entity) {
if (!data_entity)
return;
// assert: data_entity[KEY_SESSION].host === this
// console.trace(data_entity[KEY_SESSION].host === this);
delete data_entity[KEY_SESSION];
Object.defineProperties(data_entity, {
[KEY_wiki_session]: { value: this },
modify: { value: modify_data_entity },
});
}
/**
* @description Modify data entity
*
* @param {Object} data_entity - wiki_API data entity
* @param {Object} [options] - options to run this function
*
* @returns {Promise} Promise object represents {Object} result data entity
*
* @ignore
* @inner
*/
function modify_data_entity(data_to_modify, options) {
function modify_data_entity_executor(resolve, reject) {
const wiki = this[KEY_wiki_session];
// console.trace(wiki);
// using function wikidata_edit() @
// https://github.com/kanasimi/CeJS/blob/master/application/net/wiki/data.js
// wiki.edit_data(id, data, options, callback)
wiki.data(this).edit_data(data_to_modify || this, options, (data_entity, error) => {
// console.trace([data_entity, error]);
if (error) {
reject(error);
} else {
setup_data_entity.call(wiki, data_entity);
resolve(data_entity);
}
});
}
return new Promise(modify_data_entity_executor.bind(this));
}
/**
* @alias data
* @description Get wikidata entity / property
*
* @param {Object} data_entity - wiki_API data entity
* @param {Object} [options] - options to run this function
*
* @returns {Promise} Promise object represents {Object} wikidata entity / property
*
* @example <caption>Get wikidata entity method 1</caption>
// <code>
const wiki = new Wikiapi;
const data_entity = await wiki.data('Q1');
// Work with other language
console.assert(CeL.wiki.data.value_of(data_entity.labels.zh) === '宇宙');
// </code>
*
* @example <caption>Get wikidata entity of [[Human]]</caption>
// <code>
const wiki = new Wikiapi;
const page_data = await wiki.page('Human');
const data_entity = await wiki.data(page_data);
console.assert(CeL.wiki.data.value_of(data_entity.labels.zh) === '人類');
// </code>
*
* @example <caption>Get wikidata entity method 2: Get P1419 of wikidata entity: 'Universe'</caption>
// <code>
const wiki = new Wikiapi;
// Read, access by title (English), access property P1419
let data = await wiki.data('Universe', 'P1419');
// assert: {Array}data = [ 'shape of the universe', '', ... ]
console.assert(data.includes('shape of the universe'));
// </code>
*
* @example <caption>update wikidata</caption>
// <code>
// Just for test
delete CeL.wiki.query.default_maxlag;
const wiki = new Wikiapi;
await wiki.login('user', 'password', 'test');
// Get https://test.wikidata.org/wiki/Q7
let entity = await wiki.data('Q7');
// search [ language, label ]
//entity = await wiki.data(['en', 'Earth']);
// Reset claim
entity = await wiki.data('Q1841');
await entity.modify({ claims: [{ P3: "old.wav", remove: true }] }, { bot: 1, summary: 'test edit: Remove specific value' });
// Warning: If you want to perform multiple operations on the same property, you need to get the entity again!
entity = await wiki.data('Q1841');
await entity.modify({ claims: [{ P3: "new.wav" }] }, { bot: 1, summary: 'test edit: Add value' });
// Update claim
await entity.modify({ claims: [{ P17: 'Q213280' }] }, { bot: 1, summary: 'test edit: Update claim' });
// Update claim: set country (P17) to 'Test Country 1' (Q213280) ([language, label] as entity)
await entity.modify({ claims: [{ language: 'en', country: [, 'Test Country 1'] }] }, { summary: '' });
// Remove country (P17) : 'Test Country 1' (Q213280)
await entity.modify({ claims: [{ language: 'en', country: [, 'Test Country 1'], remove: true }] }, { summary: '' });
// Update label
await entity.modify({ labels: [{ language: 'zh-tw', value: '地球' }] }, { summary: '' });
// </code>
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_data(key, property, options) {
if (CeL.is_Object(property) && !options) {
// shift arguments.
[property, options] = [null, property];
}
function Wikiapi_data_executor(resolve, reject) {
const wiki = this[KEY_wiki_session];
if (false && wiki_API.is_page_data(key)) {
// get entity (wikidata item) of page_data: key
// .page(key): 僅僅設定 .last_page，不會真的再獲取一次頁面內容。
wiki.page(key);
}
if (key.title && !key.site) {
// @see function wikidata_entity() @ CeL.application.net.wiki.data
// 確保引用到的是本 wiki session，不會引用到其他 site。
key = { ...key, site: this.site_name() };
}
// using wikidata_entity() → wikidata_datavalue()
wiki.data(key, property, (data_entity, error) => {
if (error) {
reject(error);
} else {
setup_data_entity.call(wiki, data_entity);
resolve(data_entity);
}
}, options);
}
return new Promise(Wikiapi_data_executor.bind(this));
}
/**
* @alias new_data_entity
* @description Create new entity or property
*
* @param {Object} data_to_modify - Initial data.
* @param {Object} [options] - options to run this function
*
* @returns {Promise} Promise object represents {Object} new entity or property.
*
* @example <caption>Create new entity</caption>
// <code>
const new_entity = await wiki.new_data_entity({ labels: { en: "Evolution in Mendelian Populations" }, P698: "17246615", P932: "1201091" }, { new: 'item' });
// </code>
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_new_data_entity(data_to_modify, options) {
function Wikiapi_new_data_entity_executor(resolve, reject) {
options = { new: 'item', ...options };
const wiki = this[KEY_wiki_session];
wiki.edit_data({}, options, (data_entity, error) => {
if (error) {
reject(error);
} else if (data_to_modify) {
delete options.new;
//console.trace([data_entity, options]);
wiki.edit_data(data_entity, data_to_modify, options, (result, error) => {
if (error) {
reject(error);
} else if (false && options.retrieve_entity) {
// reget modified data
this.data(data_entity.id, options).then(resolve, reject);
} else {
//console.trace([data_entity, result]);
//data_entity.latest_result = result;
// data_entity: e.g.,
// {"type":"item","id":"Q123456","labels":{},"descriptions":{},"aliases":{},"claims":{},"sitelinks":{},"lastrevid":123456}
resolve(data_entity);
}
});
} else {
setup_data_entity.call(wiki, data_entity);
resolve(data_entity);
}
});
}
return new Promise(Wikiapi_new_data_entity_executor.bind(this));
}
// --------------------------------------------------------
/**
* @alias SPARQL
* @description Query wikidata via SPARQL
*
* @param {Object} SPARQL - SPARQL to query. Please test it on <a href="https://query.wikidata.org/">Wikidata Query Service</a> first.
* @param {Object} [options] - options to run this function
*
* @returns {Promise} Promise object represents {Array} query result of `SPARQL`.
*
* @example <caption>Get cats</caption>
// <code>
const wikidata_item_list = await wiki.SPARQL(`
SELECT ?item ?itemLabel WHERE {
?item wdt:P31 wd:Q146.
SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
}
`);
// </code>
*
* @example <caption>Get specific DOI</caption>
// <code>
// for case-insensitive DOI
const wikidata_item_list = await wiki.search('haswbstatement:' + JSON.stringify('P356=10.1371/journal.pone.0029797'), { namespace: 0 });
//wikidata_item_list.map(item => item.title)
// for case-sensitive DOI
const wikidata_item_list = await wiki.SPARQL(`
SELECT ?doi ?item ?itemLabel WHERE {
VALUES ?doi { "10.1371/JOURNAL.PONE.0029797" }
?item wdt:P356 ?doi.
SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
}`, {
// options.API_URL: custom SPARQL endpoint
API_URL: ''
});
//wikidata_item_list.id_list()
// </code>
*
* @memberof Wikiapi.prototype
*/
function Wikiapi_SPARQL(SPARQL, options) {
function Wikiapi_SPARQL_executor(resolve, reject) {
wiki_API.SPARQL(SPARQL, (result, error) => {
if (error) {
reject(error);
} else {
resolve(result);
}
}, this.append_session_to_options(options));