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author | Steve Klebanoff <steve.klebanoff@gmail.com> | 2019-01-12 00:53:15 +0800 |
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committer | Steve Klebanoff <steve.klebanoff@gmail.com> | 2019-01-12 00:53:15 +0800 |
commit | faee7513952a4b87d5f9e9dde9deb20126f58834 (patch) | |
tree | 8168000e484e621e1526cf48fb0f979a6d98d972 /packages/dev-tools-pages/ts/highlight.tsx | |
parent | 742e5e039dd4e821209b5511fb6a194d11c6291c (diff) | |
parent | 2cf57a48dd2857dd5cf2f31f4c60dd47ae4d34a5 (diff) | |
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Merge branch 'development' into feature/instant/asset-buyer-check-liquidity
Diffstat (limited to 'packages/dev-tools-pages/ts/highlight.tsx')
-rw-r--r-- | packages/dev-tools-pages/ts/highlight.tsx | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/packages/dev-tools-pages/ts/highlight.tsx b/packages/dev-tools-pages/ts/highlight.tsx new file mode 100644 index 000000000..02f4a753e --- /dev/null +++ b/packages/dev-tools-pages/ts/highlight.tsx @@ -0,0 +1,67 @@ +import * as hljs from 'highlight.js/lib/highlight'; +import * as javascript from 'highlight.js/lib/languages/javascript'; +import * as json from 'highlight.js/lib/languages/json'; +import * as _ from 'lodash'; + +hljs.registerLanguage('javascript', javascript); +hljs.registerLanguage('json', json); + +interface PatchInterface { + [key: string]: string; +} + +const PATCH_TYPES: PatchInterface = { + '+': 'addition', + '-': 'deletion', + '!': 'change', +}; + +function diffHighlight(language: string, code: any, gutter: any): string { + return _.map(code.split(/\r?\n/g), (line: string, index: number) => { + let type; + let currentLine = line; + + if (/^-{3} [^-]+ -{4}$|^\*{3} [^*]+ \*{4}$|^@@ [^@]+ @@$/.test(currentLine)) { + type = 'chunk'; + } else if (/^Index: |^[+\-*]{3}|^[*=]{5,}$/.test(currentLine)) { + type = 'header'; + } else { + type = PATCH_TYPES[currentLine[0]] || 'null'; + currentLine = currentLine.replace(/^[+\-! ]/, ''); + } + + const g = gutter[index]; + + return `<span data-gutter="${g !== undefined ? `${g}x` : ''}" class="line-${type}">${ + hljs.highlight(language, currentLine).value + }</span>`; + }).join('\n'); +} + +interface HighlightProps { + language: string; + code: string; + isDiff?: boolean; + gutter?: []; + isEtc?: boolean; +} + +function highlight({ language, code, isDiff, gutter, isEtc }: HighlightProps): string { + if (isDiff) { + return diffHighlight(language, code, gutter); + } + + const hlCode = hljs.highlight(language, code).value; + + if (!isEtc) { + return hlCode; + } + + const hc = hlCode.split(/\r?\n/g); + hc.splice(1, 0, ' ...'); + hc.splice(hc.length - 1, 0, ' ...'); + + return hc.join('\n'); +} + +export { highlight }; |