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Diff: Added prefix token (#2281)
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This adds a token to match line prefixes.
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chenxsan authored Apr 4, 2020
1 parent 8167005 commit fd432a5
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Showing 3 changed files with 19 additions and 9 deletions.
14 changes: 12 additions & 2 deletions components/prism-diff.js
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Expand Up @@ -40,10 +40,20 @@
}

Prism.languages.diff[name] = {
// pattern: /^(?:[_].*(?:\r\n?|\n|(?![\s\S])))+/m
pattern: RegExp('^(?:[' + prefix + '].*(?:\r\n?|\n|(?![\\s\\S])))+', 'm'),
alias: alias
alias: alias,
inside: {
'line': {
pattern: /(.)(?=[\s\S]).*(?:\r\n?|\n)?/,
lookbehind: true
},
'prefix': {
pattern: /[\s\S]/,
alias: /\w+/.exec(name)[0]
}
}
};

});

// make prefixes available to Diff plugin
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2 changes: 1 addition & 1 deletion components/prism-diff.min.js

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12 changes: 6 additions & 6 deletions tests/languages/diff/diff_feature.test
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Expand Up @@ -11,12 +11,12 @@
----------------------------------------------------

[
["diff", "! qt: core\r\n"],
["unchanged", " unchanged\r\n"],
["deleted-sign", "- qt: core\r\n"],
["inserted-sign", "+ qt: core gui\r\n"],
["deleted-arrow", "< qt: core\r\n"],
["inserted-arrow", "> qt: core quick"]
["diff", [["prefix", "!"], ["line", " qt: core\r\n"]]],
["unchanged", [["prefix", " "], ["line", " unchanged\r\n"]]],
["deleted-sign", [["prefix", "-"], ["line", " qt: core\r\n"]]],
["inserted-sign", [["prefix", "+"], ["line", " qt: core gui\r\n"]]],
["deleted-arrow", [["prefix", "<"], ["line", " qt: core\r\n"]]],
["inserted-arrow", [["prefix", ">"], ["line", " qt: core quick"]]]
]

----------------------------------------------------
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