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Remove unused plus typescript tightening #3527

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merged 11 commits into from
Nov 18, 2024
Merged

Remove unused plus typescript tightening #3527

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495e098
chore: remove unused build file
SpencerWhitehead7 Jan 6, 2024
95d0cdd
chore: remove unused package
SpencerWhitehead7 Nov 9, 2024
69e0ab6
chore: remove unused function
SpencerWhitehead7 Jan 1, 2024
0e51be0
chore: remove unnecessary | undefineds
SpencerWhitehead7 Jan 1, 2024
7261366
core: replace unnecessary &&s with optional chaining
SpencerWhitehead7 Jan 5, 2024
dd97338
chore: use .at(-x) instead of .length - x property access
SpencerWhitehead7 Jan 5, 2024
afc0b07
chore: tighten TS types
SpencerWhitehead7 Jan 5, 2024
e657582
chore: sort tokens alphabetically
SpencerWhitehead7 Jan 5, 2024
6cf6cb3
fix: typeof plus !== null check
SpencerWhitehead7 Nov 13, 2024
3bc9c13
chore: type test for .parse, .use
SpencerWhitehead7 Nov 13, 2024
a93bfe0
fix: if check
SpencerWhitehead7 Nov 17, 2024
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23 changes: 0 additions & 23 deletions bower.json
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2 changes: 1 addition & 1 deletion docs/demo/demo.js
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Original file line number Diff line number Diff line change
Expand Up @@ -185,7 +185,7 @@ function setOptions(opts) {
$optionsElem.value = JSON.stringify(
opts,
(key, value) => {
if (value && typeof value === 'object' && Object.getPrototypeOf(value) !== Object.prototype) {
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if (value !== null && typeof value === 'object' && Object.getPrototypeOf(value) !== Object.prototype) {
return undefined;
}
return value;
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7 changes: 0 additions & 7 deletions package-lock.json
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1 change: 0 additions & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -76,7 +76,6 @@
"rollup": "^4.25.0",
"semantic-release": "^24.2.0",
"titleize": "^4.0.0",
"ts-expect": "^1.3.0",
"tslib": "^2.8.1",
"typescript": "5.6.3"
},
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2 changes: 1 addition & 1 deletion src/Hooks.ts
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Expand Up @@ -6,7 +6,7 @@ import type { Token, TokensList } from './Tokens.ts';

export class _Hooks {
options: MarkedOptions;
block: boolean | undefined;
block?: boolean;
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Note that these do not have the same meaning.

https://x.com/DavidKPiano/status/1856701854102557026

Although I think in this case that's okay.


constructor(options?: MarkedOptions) {
this.options = options || _defaults;
Expand Down
4 changes: 2 additions & 2 deletions src/Instance.ts
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Expand Up @@ -265,11 +265,11 @@ export class Marked {
type overloadedParse = {
(src: string, options: MarkedOptions & { async: true }): Promise<string>;
(src: string, options: MarkedOptions & { async: false }): string;
(src: string, options?: MarkedOptions | undefined | null): string | Promise<string>;
(src: string, options?: MarkedOptions | null): string | Promise<string>;
};

// eslint-disable-next-line @typescript-eslint/no-explicit-any
const parse: overloadedParse = (src: string, options?: MarkedOptions | undefined | null): any => {
const parse: overloadedParse = (src: string, options?: MarkedOptions | null): any => {
const origOpt = { ...options };
const opt = { ...this.defaults, ...origOpt };

Expand Down
114 changes: 57 additions & 57 deletions src/Lexer.ts
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Expand Up @@ -2,7 +2,7 @@ import { _Tokenizer } from './Tokenizer.ts';
import { _defaults } from './defaults.ts';
import { other, block, inline } from './rules.ts';
import type { Token, TokensList, Tokens } from './Tokens.ts';
import type { MarkedOptions, TokenizerExtension } from './MarkedOptions.ts';
import type { MarkedOptions } from './MarkedOptions.ts';

/**
* Block Lexer
Expand Down Expand Up @@ -85,8 +85,7 @@ export class _Lexer {
* Preprocessing
*/
lex(src: string) {
src = src
.replace(other.carriageReturn, '\n');
src = src.replace(other.carriageReturn, '\n');

this.blockTokens(src, this.tokens);

Expand All @@ -109,31 +108,28 @@ export class _Lexer {
src = src.replace(other.tabCharGlobal, ' ').replace(other.spaceLine, '');
}

let token: Tokens.Generic | undefined;
let lastToken;
let cutSrc;

while (src) {
if (this.options.extensions
&& this.options.extensions.block
&& this.options.extensions.block.some((extTokenizer: TokenizerExtension['tokenizer']) => {
if (token = extTokenizer.call({ lexer: this }, src, tokens)) {
src = src.substring(token.raw.length);
tokens.push(token);
return true;
}
return false;
})) {
let token: Tokens.Generic | undefined;

if (this.options.extensions?.block?.some((extTokenizer) => {
if (token = extTokenizer.call({ lexer: this }, src, tokens)) {
src = src.substring(token.raw.length);
tokens.push(token);
return true;
}
return false;
})) {
continue;
}

// newline
if (token = this.tokenizer.space(src)) {
src = src.substring(token.raw.length);
if (token.raw.length === 1 && tokens.length > 0) {
const lastToken = tokens.at(-1);
if (token.raw.length === 1 && lastToken !== undefined) {
// if there's a single \n as a spacer, it's terminating the last line,
// so move it there so that we don't get unnecessary paragraph tags
tokens[tokens.length - 1].raw += '\n';
lastToken.raw += '\n';
} else {
tokens.push(token);
}
Expand All @@ -143,12 +139,12 @@ export class _Lexer {
// code
if (token = this.tokenizer.code(src)) {
src = src.substring(token.raw.length);
lastToken = tokens[tokens.length - 1];
const lastToken = tokens.at(-1);
// An indented code block cannot interrupt a paragraph.
if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) {
if (lastToken?.type === 'paragraph' || lastToken?.type === 'text') {
lastToken.raw += '\n' + token.raw;
lastToken.text += '\n' + token.text;
this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
this.inlineQueue.at(-1)!.src = lastToken.text;
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Not a fan of using ! but it is logically the same as the previous code.

We should look at making this safer in a follow up PR.

} else {
tokens.push(token);
}
Expand Down Expand Up @@ -200,11 +196,11 @@ export class _Lexer {
// def
if (token = this.tokenizer.def(src)) {
src = src.substring(token.raw.length);
lastToken = tokens[tokens.length - 1];
if (lastToken && (lastToken.type === 'paragraph' || lastToken.type === 'text')) {
const lastToken = tokens.at(-1);
if (lastToken?.type === 'paragraph' || lastToken?.type === 'text') {
lastToken.raw += '\n' + token.raw;
lastToken.text += '\n' + token.raw;
this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
this.inlineQueue.at(-1)!.src = lastToken.text;
} else if (!this.tokens.links[token.tag]) {
this.tokens.links[token.tag] = {
href: token.href,
Expand All @@ -230,43 +226,45 @@ export class _Lexer {

// top-level paragraph
// prevent paragraph consuming extensions by clipping 'src' to extension start
cutSrc = src;
if (this.options.extensions && this.options.extensions.startBlock) {
let cutSrc = src;
if (this.options.extensions?.startBlock) {
let startIndex = Infinity;
const tempSrc = src.slice(1);
let tempStart;
this.options.extensions.startBlock.forEach((getStartIndex) => {
tempStart = getStartIndex.call({ lexer: this }, tempSrc);
if (typeof tempStart === 'number' && tempStart >= 0) { startIndex = Math.min(startIndex, tempStart); }
if (typeof tempStart === 'number' && tempStart >= 0) {
startIndex = Math.min(startIndex, tempStart);
}
});
if (startIndex < Infinity && startIndex >= 0) {
cutSrc = src.substring(0, startIndex + 1);
}
}
if (this.state.top && (token = this.tokenizer.paragraph(cutSrc))) {
lastToken = tokens[tokens.length - 1];
const lastToken = tokens.at(-1);
if (lastParagraphClipped && lastToken?.type === 'paragraph') {
lastToken.raw += '\n' + token.raw;
lastToken.text += '\n' + token.text;
this.inlineQueue.pop();
this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
this.inlineQueue.at(-1)!.src = lastToken.text;
} else {
tokens.push(token);
}
lastParagraphClipped = (cutSrc.length !== src.length);
lastParagraphClipped = cutSrc.length !== src.length;
src = src.substring(token.raw.length);
continue;
}

// text
if (token = this.tokenizer.text(src)) {
src = src.substring(token.raw.length);
lastToken = tokens[tokens.length - 1];
if (lastToken && lastToken.type === 'text') {
const lastToken = tokens.at(-1);
if (lastToken?.type === 'text') {
lastToken.raw += '\n' + token.raw;
lastToken.text += '\n' + token.text;
this.inlineQueue.pop();
this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
this.inlineQueue.at(-1)!.src = lastToken.text;
} else {
tokens.push(token);
}
Expand Down Expand Up @@ -297,20 +295,19 @@ export class _Lexer {
* Lexing/Compiling
*/
inlineTokens(src: string, tokens: Token[] = []): Token[] {
let token, lastToken, cutSrc;

// String with links masked to avoid interference with em and strong
let maskedSrc = src;
let match;
let keepPrevChar, prevChar;
let match: RegExpExecArray | null = null;

// Mask out reflinks
if (this.tokens.links) {
const links = Object.keys(this.tokens.links);
if (links.length > 0) {
while ((match = this.tokenizer.rules.inline.reflinkSearch.exec(maskedSrc)) != null) {
if (links.includes(match[0].slice(match[0].lastIndexOf('[') + 1, -1))) {
maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex);
maskedSrc = maskedSrc.slice(0, match.index)
+ '[' + 'a'.repeat(match[0].length - 2) + ']'
+ maskedSrc.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex);
}
}
}
Expand All @@ -325,23 +322,25 @@ export class _Lexer {
maskedSrc = maskedSrc.slice(0, match.index) + '++' + maskedSrc.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex);
}

let keepPrevChar = false;
let prevChar = '';
while (src) {
if (!keepPrevChar) {
prevChar = '';
}
keepPrevChar = false;

let token: Tokens.Generic | undefined;

// extensions
if (this.options.extensions
&& this.options.extensions.inline
&& this.options.extensions.inline.some((extTokenizer) => {
if (token = extTokenizer.call({ lexer: this }, src, tokens)) {
src = src.substring(token.raw.length);
tokens.push(token);
return true;
}
return false;
})) {
if (this.options.extensions?.inline?.some((extTokenizer) => {
if (token = extTokenizer.call({ lexer: this }, src, tokens)) {
src = src.substring(token.raw.length);
tokens.push(token);
return true;
}
return false;
})) {
continue;
}

Expand All @@ -355,7 +354,6 @@ export class _Lexer {
// tag
if (token = this.tokenizer.tag(src)) {
src = src.substring(token.raw.length);
lastToken = tokens[tokens.length - 1];
tokens.push(token);
continue;
}
Expand All @@ -370,8 +368,8 @@ export class _Lexer {
// reflink, nolink
if (token = this.tokenizer.reflink(src, this.tokens.links)) {
src = src.substring(token.raw.length);
lastToken = tokens[tokens.length - 1];
if (lastToken && token.type === 'text' && lastToken.type === 'text') {
const lastToken = tokens.at(-1);
if (token.type === 'text' && lastToken?.type === 'text') {
lastToken.raw += token.raw;
lastToken.text += token.text;
} else {
Expand Down Expand Up @@ -424,14 +422,16 @@ export class _Lexer {

// text
// prevent inlineText consuming extensions by clipping 'src' to extension start
cutSrc = src;
if (this.options.extensions && this.options.extensions.startInline) {
let cutSrc = src;
if (this.options.extensions?.startInline) {
let startIndex = Infinity;
const tempSrc = src.slice(1);
let tempStart;
this.options.extensions.startInline.forEach((getStartIndex) => {
tempStart = getStartIndex.call({ lexer: this }, tempSrc);
if (typeof tempStart === 'number' && tempStart >= 0) { startIndex = Math.min(startIndex, tempStart); }
if (typeof tempStart === 'number' && tempStart >= 0) {
startIndex = Math.min(startIndex, tempStart);
}
});
if (startIndex < Infinity && startIndex >= 0) {
cutSrc = src.substring(0, startIndex + 1);
Expand All @@ -443,8 +443,8 @@ export class _Lexer {
prevChar = token.raw.slice(-1);
}
keepPrevChar = true;
lastToken = tokens[tokens.length - 1];
if (lastToken && lastToken.type === 'text') {
const lastToken = tokens.at(-1);
if (lastToken?.type === 'text') {
lastToken.raw += token.raw;
lastToken.text += token.text;
} else {
Expand Down
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