66 lines
1.6 KiB
TypeScript
66 lines
1.6 KiB
TypeScript
import { type Component, createMemo, createSignal, onMount } from "solid-js"
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import { diffLines, type ChangeObject } from "diff"
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import CodeBlock from "./CodeBlock"
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import styles from "./diffview.module.css"
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type DiffRow = {
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left: string
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right: string
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type: "added" | "removed" | "unchanged"
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}
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interface DiffViewProps {
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changes: ChangeObject<string>[]
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lang?: string
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class?: string
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}
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const DiffView: Component<DiffViewProps> = (props) => {
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const rows = createMemo(() => {
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const diffRows: DiffRow[] = []
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for (const item of props.changes) {
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const lines = item.value.split(/\r?\n/)
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if (lines.at(-1) === "") lines.pop()
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for (const line of lines) {
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diffRows.push({
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left: item.removed ? line : item.added ? "" : line,
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right: item.added ? line : item.removed ? "" : line,
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type: item.added ? "added" : item.removed ? "removed" : "unchanged",
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})
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}
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}
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return diffRows
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})
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return (
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<div class={`${styles.diff} ${props.class ?? ""}`}>
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<div class={styles.column}>
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{rows().map((r) => (
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<CodeBlock
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code={r.left}
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lang={props.lang}
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data-section="cell"
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data-diff-type={r.type === "removed" ? "removed" : ""}
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/>
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))}
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</div>
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<div class={styles.column}>
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{rows().map((r) => (
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<CodeBlock
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code={r.right}
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lang={props.lang}
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data-section="cell"
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data-diff-type={r.type === "added" ? "added" : ""}
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/>
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))}
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</div>
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</div>
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)
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}
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export default DiffView
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