8000 Adds support for comments in JSON (#1595) · PrismJS/prism@8720b3e · GitHub
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Adds support for comments in JSON (#1595)
While JSON doesn't explicitly support comments, they're commonly used and there are supersets of JSON that do make comments available. PrismJS is not a linter, and this is a useful feature to include when displaying JSON.
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‎components/prism-json.js

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Prism.languages.json = {
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'property': /"(?:\\.|[^\\"\r\n])*"(?=\s*:)/i,
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'comment': /\/\/.*|\/\*[\s\S]*?(?:\*\/|$)/,
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'property': {
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pattern: /"(?:\\.|[^\\"\r\n])*"(?=\s*:)/i,
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greedy: true
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},
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'string': {
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pattern: /"(?:\\.|[^\\"\r\n])*"(?!\s*:)/,
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greedy: true

‎components/prism-json.min.js

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‎tests/languages/json/comment_feature.test

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{
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// Line comment
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"//": "//",
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/* Block comment */
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"/*": "*/"
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}
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----------------------------------------------------
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[
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["punctuation", "{"],
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["comment", "// Line comment"],
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["property", "\"//\""],
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["operator", ":"],
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["string", "\"//\""],
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["punctuation", ","],
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["comment", "/* Block comment */"],
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["property", "\"/*\""],
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["operator", ":"],
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["string", "\"*/\""],
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["punctuation", "}"]
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]
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----------------------------------------------------
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Checks for single-line and multi-line comments.

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