83 lines
2.1 KiB
TypeScript
83 lines
2.1 KiB
TypeScript
import { YAML } from "$sb/syscalls.ts";
|
|
import { LintDiagnostic } from "$sb/types.ts";
|
|
import {
|
|
findNodeOfType,
|
|
renderToText,
|
|
traverseTreeAsync,
|
|
} from "$sb/lib/tree.ts";
|
|
import { LintEvent } from "$sb/app_event.ts";
|
|
|
|
export async function lintYAML({ tree }: LintEvent): Promise<LintDiagnostic[]> {
|
|
const diagnostics: LintDiagnostic[] = [];
|
|
await traverseTreeAsync(tree, async (node) => {
|
|
if (node.type === "FrontMatterCode") {
|
|
const lintResult = await lintYaml(
|
|
renderToText(node),
|
|
node.from!,
|
|
);
|
|
if (lintResult) {
|
|
diagnostics.push(lintResult);
|
|
}
|
|
return true;
|
|
}
|
|
if (node.type === "FencedCode") {
|
|
const codeInfo = findNodeOfType(node, "CodeInfo")!;
|
|
if (!codeInfo) {
|
|
return true;
|
|
}
|
|
const codeLang = codeInfo.children![0].text!;
|
|
// All known YAML formats
|
|
if (
|
|
codeLang === "template" || codeLang === "yaml" ||
|
|
codeLang.startsWith("#")
|
|
) {
|
|
const codeText = findNodeOfType(node, "CodeText");
|
|
if (!codeText) {
|
|
return true;
|
|
}
|
|
const yamlCode = renderToText(codeText);
|
|
const lintResult = await lintYaml(
|
|
yamlCode,
|
|
codeText.from!,
|
|
);
|
|
if (lintResult) {
|
|
diagnostics.push(lintResult);
|
|
}
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
});
|
|
return diagnostics;
|
|
}
|
|
|
|
const errorRegex = /\((\d+):(\d+)\)/;
|
|
|
|
async function lintYaml(
|
|
yamlText: string,
|
|
from: number,
|
|
): Promise<LintDiagnostic | undefined> {
|
|
try {
|
|
await YAML.parse(yamlText);
|
|
} catch (e) {
|
|
const errorMatch = errorRegex.exec(e.message);
|
|
if (errorMatch) {
|
|
console.log("YAML error", e.message);
|
|
const line = parseInt(errorMatch[1], 10) - 1;
|
|
const yamlLines = yamlText.split("\n");
|
|
let pos = from;
|
|
for (let i = 0; i < line; i++) {
|
|
pos += yamlLines[i].length + 1;
|
|
}
|
|
const endPos = pos + yamlLines[line]?.length || pos;
|
|
|
|
return {
|
|
from: pos,
|
|
to: endPos,
|
|
severity: "error",
|
|
message: e.message,
|
|
};
|
|
}
|
|
}
|
|
}
|