discourse/plugins/poll/assets/javascripts/lib/discourse-markdown/poll.js
David Taylor 32665cf9dd
DEV: Consolidate i18n import paths (#29804)
Enables our new eslint rules which enforce consistent i18n imports. For more info, see 0d58b40cd7
2024-11-19 20:45:18 +00:00

395 lines
11 KiB
JavaScript

/*eslint no-bitwise:0 */
import { i18n } from "discourse-i18n";
const DATA_PREFIX = "data-poll-";
const DEFAULT_POLL = { name: "poll", status: "open" };
const ALLOWED_ATTRIBUTES = [
"chartType",
"close",
"groups",
"max",
"min",
"name",
"order",
"public",
"results",
"status",
"step",
"type",
];
function addNumberListItems(state, pollTokens, min, max, step) {
pollTokens.push(new state.Token("bullet_list_open", "ul", 1));
for (let i = min; i <= max; i += step) {
pollTokens.push(new state.Token("list_item_open", "li", 1));
let token = new state.Token("text", "", 0);
token.content = String(i);
pollTokens.push(token);
pollTokens.push(new state.Token("list_item_close", "li", -1));
}
pollTokens.push(new state.Token("bullet_list_close", "ul", -1));
}
function addPollContainer(state, titleTokens, pollTokens) {
let token = state.push("poll_container_open", "div", 1);
token.attrs = [["class", "poll-container"]];
if (titleTokens.length > 0) {
token = state.push("poll_title_open", "div", 1);
token.attrs = [["class", "poll-title"]];
state.tokens.push(...titleTokens);
state.push("poll_title_close", "div", -1);
}
for (let i = 0; i < pollTokens.length; i++) {
if (pollTokens[i].type === "list_item_open") {
let listItemCloseIndex = pollTokens.findIndex(
(t, j) => j > i && t.type === "list_item_close"
);
if (listItemCloseIndex === -1) {
continue;
}
let text = pollTokens
.slice(i, listItemCloseIndex + 1)
.filter((c) => c.type === "text" || c.type === "inline")
.map((c) => c.content)
.join(" ");
let hash = md5(JSON.stringify([text]));
pollTokens[i].attrs ||= [];
pollTokens[i].attrs.push([DATA_PREFIX + "option-id", hash]);
}
}
state.tokens.push(...pollTokens);
state.push("poll_container_close", "div", -1);
}
function addPollInfo(state) {
let token = state.push("poll_info_open", "div", 1);
token.attrs = [["class", "poll-info"]];
token = state.push("poll_info_counts_open", "div", 1);
token.attrs = [["class", "poll-info_counts"]];
token = state.push("poll_info_counts_count_open", "div", 1);
token.attrs = [["class", "poll-info_counts-count"]];
token = state.push("poll_info_number_open", "span", 1);
token.attrs = [["class", "info-number"]];
token.block = false;
token = state.push("text", "", 0);
token.content = "0";
state.push("poll_info_number_close", "span", -1);
token = state.push("poll_info_label_open", "span", 1);
token.attrs = [["class", "info-label"]];
token.block = false;
token = state.push("text", "", 0);
token.content = i18n("poll.voters", { count: 0 });
state.push("poll_info_label_close", "span", -1);
state.push("poll_info_counts_count_close", "div", -1);
state.push("poll_info_counts_close", "div", -1);
state.push("poll_info_close", "div", -1);
}
const rule = {
tag: "poll",
before(state, { attrs }) {
let open = state.tokens.filter((t) => t.type === "poll_open").length;
let closed = state.tokens.filter((t) => t.type === "poll_close").length;
if (open > closed) {
return; // poll-ception is now allowed
}
let token = state.push("poll_open", "div", 1);
token.poll_attrs = { ...DEFAULT_POLL, ...attrs };
},
after(state, openToken) {
if (openToken.type !== "poll_open") {
return;
}
let attrs = openToken.poll_attrs;
let openTokenIndex = state.tokens.indexOf(openToken);
let pollTokens = state.tokens.slice(openTokenIndex + 1);
let titleTokens = [];
if (pollTokens.length > 0 && pollTokens[0].type === "heading_open") {
let idx = pollTokens.findIndex((t) => t.type === "heading_close");
if (idx !== -1) {
titleTokens = pollTokens.splice(0, idx + 1).slice(1, -1);
state.tokens.splice(openTokenIndex + 1, idx + 1);
}
}
if (attrs.type === "number") {
let min = parseInt(attrs.min, 10);
let max = parseInt(attrs.max, 10);
let step = parseInt(attrs.step, 10);
if (isNaN(min)) {
min = 1;
}
if (isNaN(max)) {
max = state.md.options.discourse.pollMaximumOptions;
}
if (isNaN(step) || step < 1) {
step = 1;
}
if (pollTokens.length > 0) {
state.tokens.splice(openTokenIndex, 1);
return;
} else if (min <= max) {
addNumberListItems(state, pollTokens, min, max, step);
}
}
state.tokens.splice(openTokenIndex + 1);
openToken.attrs ||= [];
openToken.attrs.push(["class", "poll"]);
for (let n of ALLOWED_ATTRIBUTES) {
if (attrs[n]) {
openToken.attrs.push([DATA_PREFIX + n, attrs[n]]);
}
}
if (pollTokens.length > 0) {
if (!pollTokens[0].type.endsWith("_list_open")) {
return;
}
}
addPollContainer(state, titleTokens, pollTokens);
addPollInfo(state);
state.push("poll_close", "div", -1);
},
};
export function setup(helper) {
helper.allowList([
"a.button.cast-votes",
"a.button.toggle-results",
"div.poll-buttons",
"div.poll-container",
"div.poll-info_counts-count",
"div.poll-info_counts",
"div.poll-info",
"div.poll-title",
"div.poll",
"div[data-*]",
"li[data-*]",
"span.info-label",
"span.info-number",
"span.info-text",
]);
helper.registerOptions((opts, siteSettings) => {
opts.features.poll = siteSettings.poll_enabled;
opts.pollMaximumOptions = siteSettings.poll_maximum_options;
});
helper.registerPlugin((md) => md.block.bbcode.ruler.push("poll", rule));
}
/*!
* Joseph Myer's md5() algorithm wrapped in a self-invoked function to prevent
* global namespace pollution, modified to hash unicode characters as UTF-8.
*
* Copyright 1999-2010, Joseph Myers, Paul Johnston, Greg Holt, Will Bond <will@wbond.net>
* http://www.myersdaily.org/joseph/javascript/md5-text.html
* http://pajhome.org.uk/crypt/md5
*
* Released under the BSD license
* http://www.opensource.org/licenses/bsd-license
*/
function md5cycle(x, k) {
let a = x[0],
b = x[1],
c = x[2],
d = x[3];
a = ff(a, b, c, d, k[0], 7, -680876936);
d = ff(d, a, b, c, k[1], 12, -389564586);
c = ff(c, d, a, b, k[2], 17, 606105819);
b = ff(b, c, d, a, k[3], 22, -1044525330);
a = ff(a, b, c, d, k[4], 7, -176418897);
d = ff(d, a, b, c, k[5], 12, 1200080426);
c = ff(c, d, a, b, k[6], 17, -1473231341);
b = ff(b, c, d, a, k[7], 22, -45705983);
a = ff(a, b, c, d, k[8], 7, 1770035416);
d = ff(d, a, b, c, k[9], 12, -1958414417);
c = ff(c, d, a, b, k[10], 17, -42063);
b = ff(b, c, d, a, k[11], 22, -1990404162);
a = ff(a, b, c, d, k[12], 7, 1804603682);
d = ff(d, a, b, c, k[13], 12, -40341101);
c = ff(c, d, a, b, k[14], 17, -1502002290);
b = ff(b, c, d, a, k[15], 22, 1236535329);
a = gg(a, b, c, d, k[1], 5, -165796510);
d = gg(d, a, b, c, k[6], 9, -1069501632);
c = gg(c, d, a, b, k[11], 14, 643717713);
b = gg(b, c, d, a, k[0], 20, -373897302);
a = gg(a, b, c, d, k[5], 5, -701558691);
d = gg(d, a, b, c, k[10], 9, 38016083);
c = gg(c, d, a, b, k[15], 14, -660478335);
b = gg(b, c, d, a, k[4], 20, -405537848);
a = gg(a, b, c, d, k[9], 5, 568446438);
d = gg(d, a, b, c, k[14], 9, -1019803690);
c = gg(c, d, a, b, k[3], 14, -187363961);
b = gg(b, c, d, a, k[8], 20, 1163531501);
a = gg(a, b, c, d, k[13], 5, -1444681467);
d = gg(d, a, b, c, k[2], 9, -51403784);
c = gg(c, d, a, b, k[7], 14, 1735328473);
b = gg(b, c, d, a, k[12], 20, -1926607734);
a = hh(a, b, c, d, k[5], 4, -378558);
d = hh(d, a, b, c, k[8], 11, -2022574463);
c = hh(c, d, a, b, k[11], 16, 1839030562);
b = hh(b, c, d, a, k[14], 23, -35309556);
a = hh(a, b, c, d, k[1], 4, -1530992060);
d = hh(d, a, b, c, k[4], 11, 1272893353);
c = hh(c, d, a, b, k[7], 16, -155497632);
b = hh(b, c, d, a, k[10], 23, -1094730640);
a = hh(a, b, c, d, k[13], 4, 681279174);
d = hh(d, a, b, c, k[0], 11, -358537222);
c = hh(c, d, a, b, k[3], 16, -722521979);
b = hh(b, c, d, a, k[6], 23, 76029189);
a = hh(a, b, c, d, k[9], 4, -640364487);
d = hh(d, a, b, c, k[12], 11, -421815835);
c = hh(c, d, a, b, k[15], 16, 530742520);
b = hh(b, c, d, a, k[2], 23, -995338651);
a = ii(a, b, c, d, k[0], 6, -198630844);
d = ii(d, a, b, c, k[7], 10, 1126891415);
c = ii(c, d, a, b, k[14], 15, -1416354905);
b = ii(b, c, d, a, k[5], 21, -57434055);
a = ii(a, b, c, d, k[12], 6, 1700485571);
d = ii(d, a, b, c, k[3], 10, -1894986606);
c = ii(c, d, a, b, k[10], 15, -1051523);
b = ii(b, c, d, a, k[1], 21, -2054922799);
a = ii(a, b, c, d, k[8], 6, 1873313359);
d = ii(d, a, b, c, k[15], 10, -30611744);
c = ii(c, d, a, b, k[6], 15, -1560198380);
b = ii(b, c, d, a, k[13], 21, 1309151649);
a = ii(a, b, c, d, k[4], 6, -145523070);
d = ii(d, a, b, c, k[11], 10, -1120210379);
c = ii(c, d, a, b, k[2], 15, 718787259);
b = ii(b, c, d, a, k[9], 21, -343485551);
x[0] = add32(a, x[0]);
x[1] = add32(b, x[1]);
x[2] = add32(c, x[2]);
x[3] = add32(d, x[3]);
}
function cmn(q, a, b, x, s, t) {
a = add32(add32(a, q), add32(x, t));
return add32((a << s) | (a >>> (32 - s)), b);
}
function ff(a, b, c, d, x, s, t) {
return cmn((b & c) | (~b & d), a, b, x, s, t);
}
function gg(a, b, c, d, x, s, t) {
return cmn((b & d) | (c & ~d), a, b, x, s, t);
}
function hh(a, b, c, d, x, s, t) {
return cmn(b ^ c ^ d, a, b, x, s, t);
}
function ii(a, b, c, d, x, s, t) {
return cmn(c ^ (b | ~d), a, b, x, s, t);
}
function md51(s) {
// Converts the string to UTF-8 "bytes"
s = unescape(encodeURI(s));
let n = s.length,
state = [1732584193, -271733879, -1732584194, 271733878],
i;
for (i = 64; i <= s.length; i += 64) {
md5cycle(state, md5blk(s.substring(i - 64, i)));
}
s = s.substring(i - 64);
let tail = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
for (i = 0; i < s.length; i++) {
tail[i >> 2] |= s.charCodeAt(i) << (i % 4 << 3);
}
tail[i >> 2] |= 0x80 << (i % 4 << 3);
if (i > 55) {
md5cycle(state, tail);
for (i = 0; i < 16; i++) {
tail[i] = 0;
}
}
tail[14] = n * 8;
md5cycle(state, tail);
return state;
}
function md5blk(s) {
/* I figured global was faster. */
let md5blks = [],
i; /* Andy King said do it this way. */
for (i = 0; i < 64; i += 4) {
md5blks[i >> 2] =
s.charCodeAt(i) +
(s.charCodeAt(i + 1) << 8) +
(s.charCodeAt(i + 2) << 16) +
(s.charCodeAt(i + 3) << 24);
}
return md5blks;
}
let hex_chr = "0123456789abcdef".split("");
function rhex(n) {
let s = "",
j = 0;
for (; j < 4; j++) {
s += hex_chr[(n >> (j * 8 + 4)) & 0x0f] + hex_chr[(n >> (j * 8)) & 0x0f];
}
return s;
}
function hex(x) {
for (let i = 0; i < x.length; i++) {
x[i] = rhex(x[i]);
}
return x.join("");
}
function add32(a, b) {
return (a + b) & 0xffffffff;
}
function md5(s) {
return hex(md51(s));
}