keycloak_theme/src/bin/keycloakify/replacers/replaceImportsInCssCode.ts
Joseph Garrone 5a57bb59e5 Refactor
2024-01-30 06:38:26 +01:00

58 lines
2.0 KiB
TypeScript

import * as crypto from "crypto";
import type { BuildOptions } from "../buildOptions";
import { assert } from "tsafe/assert";
import { basenameOfTheKeycloakifyResourcesDir } from "../../constants";
export type BuildOptionsLike = {
urlPathname: string | undefined;
};
assert<BuildOptions extends BuildOptionsLike ? true : false>();
export function replaceImportsInCssCode(params: { cssCode: string }): {
fixedCssCode: string;
cssGlobalsToDefine: Record<string, string>;
} {
const { cssCode } = params;
const cssGlobalsToDefine: Record<string, string> = {};
new Set(cssCode.match(/url\(["']?\/[^/][^)"']+["']?\)[^;}]*?/g) ?? []).forEach(
match => (cssGlobalsToDefine["url" + crypto.createHash("sha256").update(match).digest("hex").substring(0, 15)] = match)
);
let fixedCssCode = cssCode;
Object.keys(cssGlobalsToDefine).forEach(
cssVariableName =>
//NOTE: split/join pattern ~ replace all
(fixedCssCode = fixedCssCode.split(cssGlobalsToDefine[cssVariableName]).join(`var(--${cssVariableName})`))
);
return { fixedCssCode, cssGlobalsToDefine };
}
export function generateCssCodeToDefineGlobals(params: { cssGlobalsToDefine: Record<string, string>; buildOptions: BuildOptionsLike }): {
cssCodeToPrependInHead: string;
} {
const { cssGlobalsToDefine, buildOptions } = params;
return {
"cssCodeToPrependInHead": [
":root {",
...Object.keys(cssGlobalsToDefine)
.map(cssVariableName =>
[
`--${cssVariableName}:`,
cssGlobalsToDefine[cssVariableName].replace(
new RegExp(`url\\(${(buildOptions.urlPathname ?? "/").replace(/\//g, "\\/")}`, "g"),
`url(\${url.resourcesPath}/${basenameOfTheKeycloakifyResourcesDir}/`
)
].join(" ")
)
.map(line => ` ${line};`),
"}"
].join("\n")
};
}