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Make undefined a keyword in JS (#1740)
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@RunDevelopment @mAAdhaTTah
RunDevelopment authored and mAAdhaTTah committed Feb 15, 2019
1 parent bd0378f commit d9fa29a
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Showing 4 changed files with 7 additions and 6 deletions.
4 changes: 2 additions & 2 deletions components/prism-javascript.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ Prism.languages.javascript = Prism.languages.extend('clike', {
pattern: /((?:^|})\s*)(?:catch|finally)\b/,
lookbehind: true
},
/\b(?:as|async|await|break|case|class|const|continue|debugger|default|delete|do|else|enum|export|extends|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/
/\b(?:as|async|await|break|case|class|const|continue|debugger|default|delete|do|else|enum|export|extends|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|undefined|var|void|while|with|yield)\b/
],
'number': /\b(?:(?:0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+)n?|\d+n|NaN|Infinity)\b|(?:\b\d+\.?\d*|\B\.\d+)(?:[Ee][+-]?\d+)?/,
// Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444)
Expand Down Expand Up @@ -48,7 +48,7 @@ Prism.languages.insertBefore('javascript', 'keyword', {
inside: Prism.languages.javascript
},
{
pattern: /((?:\b|\s|^)(?!(?:as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)(?![$\w\xA0-\uFFFF]))(?:[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*\s*)\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*\{)/,
pattern: /((?:\b|\s|^)(?!(?:as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|undefined|var|void|while|with|yield)(?![$\w\xA0-\uFFFF]))(?:[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*\s*)\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*\{)/,
lookbehind: true,
inside: Prism.languages.javascript
}
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2 changes: 1 addition & 1 deletion components/prism-javascript.min.js
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4 changes: 2 additions & 2 deletions prism.js
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Original file line number Diff line number Diff line change
Expand Up @@ -720,7 +720,7 @@ Prism.languages.javascript = Prism.languages.extend('clike', {
pattern: /((?:^|})\s*)(?:catch|finally)\b/,
lookbehind: true
},
/\b(?:as|async|await|break|case|class|const|continue|debugger|default|delete|do|else|enum|export|extends|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/
/\b(?:as|async|await|break|case|class|const|continue|debugger|default|delete|do|else|enum|export|extends|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|undefined|var|void|while|with|yield)\b/
],
'number': /\b(?:(?:0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+)n?|\d+n|NaN|Infinity)\b|(?:\b\d+\.?\d*|\B\.\d+)(?:[Ee][+-]?\d+)?/,
// Allow for all non-ASCII characters (See http://stackoverflow.com/a/2008444)
Expand Down Expand Up @@ -757,7 +757,7 @@ Prism.languages.insertBefore('javascript', 'keyword', {
inside: Prism.languages.javascript
},
{
pattern: /((?:\b|\s|^)(?!(?:as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)(?![$\w\xA0-\uFFFF]))(?:[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*\s*)\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*\{)/,
pattern: /((?:\b|\s|^)(?!(?:as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|undefined|var|void|while|with|yield)(?![$\w\xA0-\uFFFF]))(?:[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*\s*)\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*\{)/,
lookbehind: true,
inside: Prism.languages.javascript
}
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3 changes: 2 additions & 1 deletion tests/languages/javascript/keyword_feature.test
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ import; in; instanceof; interface; let;
new; null; of; package; private;
protected; public; return; set; static;
super; switch; this; throw; try;
typeof; var; void; while;
typeof; undefined; var; void; while;
with; yield;

----------------------------------------------------
Expand Down Expand Up @@ -61,6 +61,7 @@ with; yield;
["keyword", "throw"], ["punctuation", ";"],
["keyword", "try"], ["punctuation", ";"],
["keyword", "typeof"], ["punctuation", ";"],
["keyword", "undefined"], ["punctuation", ";"],
["keyword", "var"], ["punctuation", ";"],
["keyword", "void"], ["punctuation", ";"],
["keyword", "while"], ["punctuation", ";"],
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