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import { DiffLineAnnotation, FileContents, FileDiffOptions, type SelectedLineRange } from "@pierre/diffs"
import { ComponentProps } from "solid-js"
import { lineCommentStyles } from "../components/line-comment-styles"
export type DiffProps<T = {}> = FileDiffOptions<T> & {
before: FileContents
after: FileContents
annotations?: DiffLineAnnotation<T>[]
selectedLines?: SelectedLineRange | null
commentedLines?: SelectedLineRange[]
onLineNumberSelectionEnd?: (selection: SelectedLineRange | null) => void
onRendered?: () => void
class?: string
classList?: ComponentProps<"div">["classList"]
}
const unsafeCSS = `
[data-diff],
[data-file] {
--diffs-bg: light-dark(var(--diffs-light-bg), var(--diffs-dark-bg));
--diffs-bg-buffer: var(--diffs-bg-buffer-override, light-dark( color-mix(in lab, var(--diffs-bg) 92%, var(--diffs-mixer)), color-mix(in lab, var(--diffs-bg) 92%, var(--diffs-mixer))));
--diffs-bg-hover: var(--diffs-bg-hover-override, light-dark( color-mix(in lab, var(--diffs-bg) 97%, var(--diffs-mixer)), color-mix(in lab, var(--diffs-bg) 91%, var(--diffs-mixer))));
--diffs-bg-context: var(--diffs-bg-context-override, light-dark( color-mix(in lab, var(--diffs-bg) 98.5%, var(--diffs-mixer)), color-mix(in lab, var(--diffs-bg) 92.5%, var(--diffs-mixer))));
--diffs-bg-separator: var(--diffs-bg-separator-override, light-dark( color-mix(in lab, var(--diffs-bg) 96%, var(--diffs-mixer)), color-mix(in lab, var(--diffs-bg) 85%, var(--diffs-mixer))));
--diffs-fg: light-dark(var(--diffs-light), var(--diffs-dark));
--diffs-fg-number: var(--diffs-fg-number-override, light-dark(color-mix(in lab, var(--diffs-fg) 65%, var(--diffs-bg)), color-mix(in lab, var(--diffs-fg) 65%, var(--diffs-bg))));
--diffs-deletion-base: var(--syntax-diff-delete);
--diffs-addition-base: var(--syntax-diff-add);
--diffs-modified-base: var(--syntax-diff-unknown);
--diffs-bg-deletion: var(--diffs-bg-deletion-override, light-dark( color-mix(in lab, var(--diffs-bg) 98%, var(--diffs-deletion-base)), color-mix(in lab, var(--diffs-bg) 92%, var(--diffs-deletion-base))));
--diffs-bg-deletion-number: var(--diffs-bg-deletion-number-override, light-dark( color-mix(in lab, var(--diffs-bg) 91%, var(--diffs-deletion-base)), color-mix(in lab, var(--diffs-bg) 85%, var(--diffs-deletion-base))));
--diffs-bg-deletion-hover: var(--diffs-bg-deletion-hover-override, light-dark( color-mix(in lab, var(--diffs-bg) 80%, var(--diffs-deletion-base)), color-mix(in lab, var(--diffs-bg) 75%, var(--diffs-deletion-base))));
--diffs-bg-deletion-emphasis: var(--diffs-bg-deletion-emphasis-override, light-dark(rgb(from var(--diffs-deletion-base) r g b / 0.7), rgb(from var(--diffs-deletion-base) r g b / 0.1)));
--diffs-bg-addition: var(--diffs-bg-addition-override, light-dark( color-mix(in lab, var(--diffs-bg) 98%, var(--diffs-addition-base)), color-mix(in lab, var(--diffs-bg) 92%, var(--diffs-addition-base))));
--diffs-bg-addition-number: var(--diffs-bg-addition-number-override, light-dark( color-mix(in lab, var(--diffs-bg) 91%, var(--diffs-addition-base)), color-mix(in lab, var(--diffs-bg) 85%, var(--diffs-addition-base))));
--diffs-bg-addition-hover: var(--diffs-bg-addition-hover-override, light-dark( color-mix(in lab, var(--diffs-bg) 80%, var(--diffs-addition-base)), color-mix(in lab, var(--diffs-bg) 70%, var(--diffs-addition-base))));
--diffs-bg-addition-emphasis: var(--diffs-bg-addition-emphasis-override, light-dark(rgb(from var(--diffs-addition-base) r g b / 0.07), rgb(from var(--diffs-addition-base) r g b / 0.1)));
--diffs-selection-base: var(--surface-warning-strong);
--diffs-selection-border: var(--border-warning-base);
--diffs-selection-number-fg: #1c1917;
/* Use explicit alpha instead of color-mix(..., transparent) to avoid Safari's non-premultiplied interpolation bugs. */
--diffs-bg-selection: var(--diffs-bg-selection-override, rgb(from var(--surface-warning-base) r g b / 0.65));
--diffs-bg-selection-number: var(
--diffs-bg-selection-number-override,
rgb(from var(--surface-warning-base) r g b / 0.85)
);
--diffs-bg-selection-text: rgb(from var(--surface-warning-strong) r g b / 0.2);
}
:host([data-color-scheme='dark']) [data-diff],
:host([data-color-scheme='dark']) [data-file] {
--diffs-selection-number-fg: #fdfbfb;
--diffs-bg-selection: var(--diffs-bg-selection-override, rgb(from var(--solaris-dark-6) r g b / 0.65));
--diffs-bg-selection-number: var(
--diffs-bg-selection-number-override,
rgb(from var(--solaris-dark-6) r g b / 0.85)
);
}
[data-diff] ::selection,
[data-file] ::selection {
background-color: var(--diffs-bg-selection-text);
}
::highlight(opencode-find) {
background-color: rgb(from var(--surface-warning-base) r g b / 0.35);
}
::highlight(opencode-find-current) {
background-color: rgb(from var(--surface-warning-strong) r g b / 0.55);
}
[data-diff] [data-line][data-comment-selected]:not([data-selected-line]) {
box-shadow: inset 0 0 0 9999px var(--diffs-bg-selection);
}
[data-file] [data-line][data-comment-selected]:not([data-selected-line]) {
box-shadow: inset 0 0 0 9999px var(--diffs-bg-selection);
}
[data-diff] [data-column-number][data-comment-selected]:not([data-selected-line]) {
box-shadow: inset 0 0 0 9999px var(--diffs-bg-selection-number);
color: var(--diffs-selection-number-fg);
}
[data-file] [data-column-number][data-comment-selected]:not([data-selected-line]) {
box-shadow: inset 0 0 0 9999px var(--diffs-bg-selection-number);
color: var(--diffs-selection-number-fg);
}
[data-diff] [data-line-annotation][data-comment-selected]:not([data-selected-line]) [data-annotation-content] {
box-shadow: inset 0 0 0 9999px var(--diffs-bg-selection);
}
[data-file] [data-line-annotation][data-comment-selected]:not([data-selected-line]) [data-annotation-content] {
box-shadow: inset 0 0 0 9999px var(--diffs-bg-selection);
}
[data-diff] [data-line][data-selected-line] {
background-color: var(--diffs-bg-selection);
box-shadow: inset 2px 0 0 var(--diffs-selection-border);
}
[data-file] [data-line][data-selected-line] {
background-color: var(--diffs-bg-selection);
box-shadow: inset 2px 0 0 var(--diffs-selection-border);
}
[data-diff] [data-column-number][data-selected-line] {
background-color: var(--diffs-bg-selection-number);
color: var(--diffs-selection-number-fg);
}
[data-file] [data-column-number][data-selected-line] {
background-color: var(--diffs-bg-selection-number);
color: var(--diffs-selection-number-fg);
}
[data-diff] [data-column-number][data-line-type='context'][data-selected-line],
[data-diff] [data-column-number][data-line-type='context-expanded'][data-selected-line],
[data-diff] [data-column-number][data-line-type='change-addition'][data-selected-line],
[data-diff] [data-column-number][data-line-type='change-deletion'][data-selected-line] {
color: var(--diffs-selection-number-fg);
}
/* The deletion word-diff emphasis is stronger than additions; soften it while selected so the selection highlight reads consistently. */
[data-diff] [data-line][data-line-type='change-deletion'][data-selected-line] {
--diffs-bg-deletion-emphasis: light-dark(
rgb(from var(--diffs-deletion-base) r g b / 0.07),
rgb(from var(--diffs-deletion-base) r g b / 0.1)
);
}
[data-diff-header],
[data-diff],
[data-file] {
[data-separator] {
height: 24px;
}
[data-column-number] {
background-color: var(--background-stronger);
cursor: default !important;
}
&[data-interactive-line-numbers] [data-column-number] {
cursor: default !important;
}
&[data-interactive-lines] [data-line] {
cursor: auto !important;
}
[data-code] {
overflow-x: auto !important;
overflow-y: clip !important;
}
}
${lineCommentStyles}
`
export function createDefaultOptions<T>(style: FileDiffOptions<T>["diffStyle"]) {
return {
theme: "OpenCode",
themeType: "system",
disableLineNumbers: false,
overflow: "wrap",
diffStyle: style ?? "unified",
diffIndicators: "bars",
lineHoverHighlight: "both",
disableBackground: false,
expansionLineCount: 20,
hunkSeparators: "line-info-basic",
lineDiffType: style === "split" ? "word-alt" : "none",
maxLineDiffLength: 1000,
maxLineLengthForHighlighting: 1000,
disableFileHeader: true,
unsafeCSS,
} as const
}
export const styleVariables = {
"--diffs-font-family": "var(--font-family-mono)",
"--diffs-font-size": "var(--font-size-small)",
"--diffs-line-height": "24px",
"--diffs-tab-size": 2,
"--diffs-font-features": "var(--font-family-mono--font-feature-settings)",
"--diffs-header-font-family": "var(--font-family-sans)",
"--diffs-gap-block": 0,
"--diffs-min-number-column-width": "4ch",
}
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