Files
zulip/static/js/muting_ui.js
Anders Kaseorg 02511bff1c js: Automatically convert _.each to for…of.
This commit was automatically generated by the following script,
followed by lint --fix and a few small manual lint-related cleanups.

import * as babelParser from "recast/parsers/babel";
import * as recast from "recast";
import * as tsParser from "recast/parsers/typescript";
import { builders as b, namedTypes as n } from "ast-types";
import { Context } from "ast-types/lib/path-visitor";
import K from "ast-types/gen/kinds";
import { NodePath } from "ast-types/lib/node-path";
import assert from "assert";
import fs from "fs";
import path from "path";
import process from "process";

const checkExpression = (node: n.Node): node is K.ExpressionKind =>
  n.Expression.check(node);
const checkStatement = (node: n.Node): node is K.StatementKind =>
  n.Statement.check(node);

for (const file of process.argv.slice(2)) {
  console.log("Parsing", file);
  const ast = recast.parse(fs.readFileSync(file, { encoding: "utf8" }), {
    parser: path.extname(file) === ".ts" ? tsParser : babelParser,
  });
  let changed = false;
  let inLoop = false;
  let replaceReturn = false;

  const visitLoop = (...args: string[]) =>
    function(this: Context, path: NodePath) {
      for (const arg of args) {
        this.visit(path.get(arg));
      }
      const old = { inLoop };
      inLoop = true;
      this.visit(path.get("body"));
      inLoop = old.inLoop;
      return false;
    };

  recast.visit(ast, {
    visitDoWhileStatement: visitLoop("test"),

    visitExpressionStatement(path) {
      const { expression, comments } = path.node;
      let valueOnly;
      if (
        n.CallExpression.check(expression) &&
        n.MemberExpression.check(expression.callee) &&
        !expression.callee.computed &&
        n.Identifier.check(expression.callee.object) &&
        expression.callee.object.name === "_" &&
        n.Identifier.check(expression.callee.property) &&
        ["each", "forEach"].includes(expression.callee.property.name) &&
        [2, 3].includes(expression.arguments.length) &&
        checkExpression(expression.arguments[0]) &&
        (n.FunctionExpression.check(expression.arguments[1]) ||
          n.ArrowFunctionExpression.check(expression.arguments[1])) &&
        [1, 2].includes(expression.arguments[1].params.length) &&
        n.Identifier.check(expression.arguments[1].params[0]) &&
        ((valueOnly = expression.arguments[1].params[1] === undefined) ||
          n.Identifier.check(expression.arguments[1].params[1])) &&
        (expression.arguments[2] === undefined ||
          n.ThisExpression.check(expression.arguments[2]))
      ) {
        const old = { inLoop, replaceReturn };
        inLoop = false;
        replaceReturn = true;
        this.visit(
          path
            .get("expression")
            .get("arguments")
            .get(1)
            .get("body")
        );
        inLoop = old.inLoop;
        replaceReturn = old.replaceReturn;

        const [right, { body, params }] = expression.arguments;
        const loop = b.forOfStatement(
          b.variableDeclaration("let", [
            b.variableDeclarator(
              valueOnly ? params[0] : b.arrayPattern([params[1], params[0]])
            ),
          ]),
          valueOnly
            ? right
            : b.callExpression(
                b.memberExpression(right, b.identifier("entries")),
                []
              ),
          checkStatement(body) ? body : b.expressionStatement(body)
        );
        loop.comments = comments;
        path.replace(loop);
        changed = true;
      }
      this.traverse(path);
    },

    visitForStatement: visitLoop("init", "test", "update"),

    visitForInStatement: visitLoop("left", "right"),

    visitForOfStatement: visitLoop("left", "right"),

    visitFunction(path) {
      this.visit(path.get("params"));
      const old = { replaceReturn };
      replaceReturn = false;
      this.visit(path.get("body"));
      replaceReturn = old.replaceReturn;
      return false;
    },

    visitReturnStatement(path) {
      if (replaceReturn) {
        assert(!inLoop); // could use labeled continue if this ever fires
        const { argument, comments } = path.node;
        if (argument === null) {
          const s = b.continueStatement();
          s.comments = comments;
          path.replace(s);
        } else {
          const s = b.expressionStatement(argument);
          s.comments = comments;
          path.replace(s, b.continueStatement());
        }
        return false;
      }
      this.traverse(path);
    },

    visitWhileStatement: visitLoop("test"),
  });

  if (changed) {
    console.log("Writing", file);
    fs.writeFileSync(file, recast.print(ast).code, { encoding: "utf8" });
  }
}

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
2020-02-07 14:09:47 -08:00

145 lines
4.4 KiB
JavaScript

const render_muted_topic_ui_row = require('../templates/muted_topic_ui_row.hbs');
const render_topic_muted = require('../templates/topic_muted.hbs');
function timestamp_ms() {
return new Date().getTime();
}
let last_topic_update = 0;
exports.rerender = function () {
// Note: We tend to optimistically rerender muting preferences before
// the back end actually acknowledges the mute. This gives a more
// immediate feel to the user, and if the back end fails temporarily,
// re-doing a mute or unmute is a pretty recoverable thing.
stream_list.update_streams_sidebar();
if (current_msg_list.muting_enabled) {
current_msg_list.update_muting_and_rerender();
}
if (current_msg_list !== home_msg_list) {
home_msg_list.update_muting_and_rerender();
}
};
exports.persist_mute = function (stream_id, topic_name) {
const data = {
stream_id: stream_id,
topic: topic_name,
op: 'add',
};
last_topic_update = timestamp_ms();
channel.patch({
url: '/json/users/me/subscriptions/muted_topics',
idempotent: true,
data: data,
});
};
exports.persist_unmute = function (stream_id, topic_name) {
const data = {
stream_id: stream_id,
topic: topic_name,
op: 'remove',
};
last_topic_update = timestamp_ms();
channel.patch({
url: '/json/users/me/subscriptions/muted_topics',
idempotent: true,
data: data,
});
};
exports.handle_updates = function (muted_topics) {
if (timestamp_ms() < last_topic_update + 1000) {
// This topic update is either the one that we just rendered, or,
// much less likely, it's coming from another device and would probably
// be overwriting this device's preferences with stale data.
return;
}
exports.update_muted_topics(muted_topics);
exports.rerender();
};
exports.update_muted_topics = function (muted_topics) {
muting.set_muted_topics(muted_topics);
unread_ui.update_unread_counts();
};
exports.set_up_muted_topics_ui = function (muted_topics) {
const muted_topics_table = $("#muted_topics_table tbody");
muted_topics_table.empty();
for (const tup of muted_topics) {
const stream_id = tup[0];
const topic = tup[1];
const stream = stream_data.maybe_get_stream_name(stream_id);
if (!stream) {
blueslip.warn('Unknown stream_id in set_up_muted_topics_ui: ' + stream_id);
continue;
}
const template_data = {
stream: stream,
stream_id: stream_id,
topic: topic,
};
const row = render_muted_topic_ui_row(template_data);
muted_topics_table.append(row);
}
};
exports.mute = function (stream_id, topic) {
const stream_name = stream_data.maybe_get_stream_name(stream_id);
stream_popover.hide_topic_popover();
muting.add_muted_topic(stream_id, topic);
unread_ui.update_unread_counts();
exports.rerender();
exports.persist_mute(stream_id, topic);
feedback_widget.show({
populate: function (container) {
const rendered_html = render_topic_muted();
container.html(rendered_html);
container.find(".stream").text(stream_name);
container.find(".topic").text(topic);
},
on_undo: function () {
exports.unmute(stream_id, topic);
},
title_text: i18n.t("Topic muted"),
undo_button_text: i18n.t("Unmute"),
});
exports.set_up_muted_topics_ui(muting.get_muted_topics());
};
exports.unmute = function (stream_id, topic) {
// we don't run a unmute_notify function because it isn't an issue as much
// if someone accidentally unmutes a stream rather than if they mute it
// and miss out on info.
stream_popover.hide_topic_popover();
muting.remove_muted_topic(stream_id, topic);
unread_ui.update_unread_counts();
exports.rerender();
exports.persist_unmute(stream_id, topic);
exports.set_up_muted_topics_ui(muting.get_muted_topics());
feedback_widget.dismiss();
};
exports.toggle_mute = function (message) {
const stream_id = message.stream_id;
const topic = util.get_message_topic(message);
if (muting.is_topic_muted(stream_id, topic)) {
exports.unmute(stream_id, topic);
} else if (message.type === 'stream') {
exports.mute(stream_id, topic);
}
};
window.muting_ui = exports;