discourse/app/assets/javascripts/pretty-text/engines/discourse-markdown/newline.js
Josh Soref 59097b207f
DEV: Correct typos and spelling mistakes (#12812)
Over the years we accrued many spelling mistakes in the code base. 

This PR attempts to fix spelling mistakes and typos in all areas of the code that are extremely safe to change 

- comments
- test descriptions
- other low risk areas
2021-05-21 11:43:47 +10:00

57 lines
1.4 KiB
JavaScript

// see: https://github.com/markdown-it/markdown-it/issues/375
//
// we use a custom paragraph rule cause we have to signal when a
// link starts with a space, so we can bypass a onebox
// this is a freedom patch, so careful, may break on updates
function newline(state, silent) {
let token,
pmax,
max,
pos = state.pos;
if (state.src.charCodeAt(pos) !== 0x0a /* \n */) {
return false;
}
pmax = state.pending.length - 1;
max = state.posMax;
// ' \n' -> hardbreak
// Lookup in pending chars is bad practice! Don't copy to other rules!
// Pending string is stored in concat mode, indexed lookups will cause
// conversion to flat mode.
if (!silent) {
if (pmax >= 0 && state.pending.charCodeAt(pmax) === 0x20) {
if (pmax >= 1 && state.pending.charCodeAt(pmax - 1) === 0x20) {
state.pending = state.pending.replace(/ +$/, "");
token = state.push("hardbreak", "br", 0);
} else {
state.pending = state.pending.slice(0, -1);
token = state.push("softbreak", "br", 0);
}
} else {
token = state.push("softbreak", "br", 0);
}
}
pos++;
// skip heading spaces for next line
while (pos < max && state.md.utils.isSpace(state.src.charCodeAt(pos))) {
if (token) {
token.leading_space = true;
}
pos++;
}
state.pos = pos;
return true;
}
export function setup(helper) {
helper.registerPlugin((md) => {
md.inline.ruler.at("newline", newline);
});
}