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Because Zulip Mobile supports some older iOS browser versions that don't have replaceAll support yet, and mobile is averse to doing the infrastructure work required to add a, polyfill we avoid using them in the shared module for now. See https://caniuse.com/mdn-javascript_builtins_string_replaceall
57 lines
1.8 KiB
JavaScript
57 lines
1.8 KiB
JavaScript
const hashReplacements = new Map([
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["%", "."],
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["(", ".28"],
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[")", ".29"],
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[".", ".2E"],
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]);
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// Some browsers zealously URI-decode the contents of
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// window.location.hash. So we hide our URI-encoding
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// by replacing % with . (like MediaWiki).
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export function encodeHashComponent(str) {
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return encodeURIComponent(str).replace(/[%().]/g, (matched) => hashReplacements.get(matched));
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}
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export function decodeHashComponent(str) {
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// This fails for URLs containing
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// foo.foo or foo%foo due to our fault in special handling
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// of such characters when encoding. This can also,
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// fail independent of our fault.
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// Here we let the calling code handle the exception.
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return decodeURIComponent(str.replace(/\./g, "%"));
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}
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export function stream_id_to_slug(stream_id, maybe_get_stream_name) {
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let name = maybe_get_stream_name(stream_id) || "unknown";
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// The name part of the URL doesn't really matter, so we try to
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// make it pretty.
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// TODO: Convert this to replaceAll once mobile no longer supports
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// browsers that don't have it.
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name = name.replace(/ /g, "-");
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return stream_id + "-" + name;
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}
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export function encode_stream_id(stream_id, maybe_get_stream_name) {
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// stream_id_to_slug appends the stream name, but it does not do the
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// URI encoding piece.
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const slug = stream_id_to_slug(stream_id, maybe_get_stream_name);
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return encodeHashComponent(slug);
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}
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export function by_stream_url(stream_id, maybe_get_stream_name) {
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return "#narrow/stream/" + encode_stream_id(stream_id, maybe_get_stream_name);
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}
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export function by_stream_topic_url(stream_id, topic, maybe_get_stream_name) {
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return (
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"#narrow/stream/" +
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encode_stream_id(stream_id, maybe_get_stream_name) +
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"/topic/" +
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encodeHashComponent(topic)
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);
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}
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