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fix: Replace custom repeatString function with repeat() (#2820)
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chore: Replace custom repeatString functions with ECMAScript String.repeat()
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@DreierF
DreierF committed May 30, 2023
1 parent 5203b44 commit 72ee2d6
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Showing 8 changed files with 11 additions and 108 deletions.
10 changes: 1 addition & 9 deletions docs/demo/demo.js
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Original file line number Diff line number Diff line change
Expand Up @@ -326,14 +326,6 @@ function isArray(arr) {
return Object.prototype.toString.call(arr) === '[object Array]';
}

function stringRepeat(char, times) {
var s = '';
for (var i = 0; i < times; i++) {
s += char;
}
return s;
}

function jsonString(input, level) {
level = level || 0;
if (isArray(input)) {
Expand All @@ -344,7 +336,7 @@ function jsonString(input, level) {
i;
if (!isArray(input[0]) && typeof input[0] === 'object' && input[0] !== null) {
for (i = 0; i < input.length; i++) {
items.push(stringRepeat(' ', 2 * level) + jsonString(input[i], level + 1));
items.push(' '.repeat(2 * level) + jsonString(input[i], level + 1));
}
return '[\n' + items.join('\n') + '\n]';
}
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10 changes: 1 addition & 9 deletions docs/demo/worker.js
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Original file line number Diff line number Diff line change
Expand Up @@ -87,14 +87,6 @@ function parse(e) {
}
}

function stringRepeat(char, times) {
var s = '';
for (var i = 0; i < times; i++) {
s += char;
}
return s;
}

function jsonString(input, level) {
level = level || 0;
if (Array.isArray(input)) {
Expand All @@ -105,7 +97,7 @@ function jsonString(input, level) {
i;
if (!Array.isArray(input[0]) && typeof input[0] === 'object' && input[0] !== null) {
for (i = 0; i < input.length; i++) {
items.push(stringRepeat(' ', 2 * level) + jsonString(input[i], level + 1));
items.push(' '.repeat(2 * level) + jsonString(input[i], level + 1));
}
return '[\n' + items.join('\n') + '\n]';
}
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24 changes: 2 additions & 22 deletions lib/marked.cjs
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Original file line number Diff line number Diff line change
Expand Up @@ -372,26 +372,6 @@ function checkDeprecations(opt, callback) {
}
}

// copied from https://stackoverflow.com/a/5450113/806777
/**
* @param {string} pattern
* @param {number} count
*/
function repeatString(pattern, count) {
if (count < 1) {
return '';
}
var result = '';
while (count > 1) {
if (count & 1) {
result += pattern;
}
count >>= 1;
pattern += pattern;
}
return result + pattern;
}

function outputLink(cap, link, raw, lexer) {
var href = link.href;
var title = link.title ? escape(link.title) : null;
Expand Down Expand Up @@ -1649,14 +1629,14 @@ var Lexer = /*#__PURE__*/function () {
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) + '[' + repeatString('a', 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);
}
}
}
}
// Mask out other blocks
while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) {
maskedSrc = maskedSrc.slice(0, match.index) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
}

// Mask out escaped em & strong delimiters
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24 changes: 2 additions & 22 deletions lib/marked.esm.js
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Original file line number Diff line number Diff line change
Expand Up @@ -312,26 +312,6 @@ function checkDeprecations(opt, callback) {
}
}

// copied from https://stackoverflow.com/a/5450113/806777
/**
* @param {string} pattern
* @param {number} count
*/
function repeatString(pattern, count) {
if (count < 1) {
return '';
}
let result = '';
while (count > 1) {
if (count & 1) {
result += pattern;
}
count >>= 1;
pattern += pattern;
}
return result + pattern;
}

function outputLink(cap, link, raw, lexer) {
const href = link.href;
const title = link.title ? escape(link.title) : null;
Expand Down Expand Up @@ -1761,14 +1741,14 @@ class Lexer {
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) + '[' + repeatString('a', 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);
}
}
}
}
// Mask out other blocks
while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) {
maskedSrc = maskedSrc.slice(0, match.index) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
}

// Mask out escaped em & strong delimiters
Expand Down
24 changes: 2 additions & 22 deletions lib/marked.umd.js
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Original file line number Diff line number Diff line change
Expand Up @@ -376,26 +376,6 @@
}
}

// copied from https://stackoverflow.com/a/5450113/806777
/**
* @param {string} pattern
* @param {number} count
*/
function repeatString(pattern, count) {
if (count < 1) {
return '';
}
var result = '';
while (count > 1) {
if (count & 1) {
result += pattern;
}
count >>= 1;
pattern += pattern;
}
return result + pattern;
}

function outputLink(cap, link, raw, lexer) {
var href = link.href;
var title = link.title ? escape(link.title) : null;
Expand Down Expand Up @@ -1653,14 +1633,14 @@
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) + '[' + repeatString('a', 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);
}
}
}
}
// Mask out other blocks
while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) {
maskedSrc = maskedSrc.slice(0, match.index) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
}

// Mask out escaped em & strong delimiters
Expand Down
2 changes: 1 addition & 1 deletion marked.min.js
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5 changes: 2 additions & 3 deletions src/Lexer.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,6 @@
import { Tokenizer } from './Tokenizer.js';
import { defaults } from './defaults.js';
import { block, inline } from './rules.js';
import { repeatString } from './helpers.js';

/**
* smartypants text replacement
Expand Down Expand Up @@ -338,14 +337,14 @@ export class Lexer {
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) + '[' + repeatString('a', 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);
}
}
}
}
// Mask out other blocks
while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) {
maskedSrc = maskedSrc.slice(0, match.index) + '[' + repeatString('a', match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
maskedSrc = maskedSrc.slice(0, match.index) + '[' + 'a'.repeat(match[0].length - 2) + ']' + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
}

// Mask out escaped em & strong delimiters
Expand Down
20 changes: 0 additions & 20 deletions src/helpers.js
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Original file line number Diff line number Diff line change
Expand Up @@ -269,23 +269,3 @@ export function checkDeprecations(opt, callback) {
console.warn('marked(): headerIds and headerPrefix parameters enabled by default, but are deprecated since version 5.0.0, and will be removed in the future. To clear this warning, install https://www.npmjs.com/package/marked-gfm-heading-id, or disable by setting `{headerIds: false}`.');
}
}

// copied from https://stackoverflow.com/a/5450113/806777
/**
* @param {string} pattern
* @param {number} count
*/
export function repeatString(pattern, count) {
if (count < 1) {
return '';
}
let result = '';
while (count > 1) {
if (count & 1) {
result += pattern;
}
count >>= 1;
pattern += pattern;
}
return result + pattern;
}

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