Hash :
e7702ae1
Author :
Date :
2019-07-22T01:27:48
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(function (Prism) {
Prism.languages.diff = {
'coord': [
// Match all kinds of coord lines (prefixed by "+++", "---" or "***").
/^(?:\*{3}|-{3}|\+{3}).*$/m,
// Match "@@ ... @@" coord lines in unified diff.
/^@@.*@@$/m,
// Match coord lines in normal diff (starts with a number).
/^\d+.*$/m
]
// deleted, inserted, unchanged, diff
};
/**
* A map from the name of a block to its line prefix.
*
* @type {Object<string, string>}
*/
var PREFIXES = {
'deleted-sign': '-',
'deleted-arrow': '<',
'inserted-sign': '+',
'inserted-arrow': '>',
'unchanged': ' ',
'diff': '!',
};
// add a token for each prefix
Object.keys(PREFIXES).forEach(function (name) {
var prefix = PREFIXES[name];
var alias = [];
if (!/^\w+$/.test(name)) { // "deleted-sign" -> "deleted"
alias.push(/\w+/.exec(name)[0]);
}
if (name === "diff") {
alias.push("bold");
}
Prism.languages.diff[name] = {
// pattern: /^(?:[_].*(?:\r\n?|\n|(?![\s\S])))+/m
pattern: RegExp('^(?:[' + prefix + '].*(?:\r\n?|\n|(?![\\s\\S])))+', 'm'),
alias: alias
};
});
// make prefixes available to Diff plugin
Object.defineProperty(Prism.languages.diff, 'PREFIXES', {
value: PREFIXES
});
}(Prism));