Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | 48x 976x 976x 976x 976x 976x 61544x 220x 220x 220x 220x 61544x 348x 348x 348x 348x 348x 24x 324x 236x 236x 61520x 952x | /*
* Most parsers don't emit comments in AST like Acorn does,
* so parse comments manually instead.
*/
import jsTokens from "js-tokens";
export interface IgnoreHint {
type: "if" | "else" | "next" | "file";
loc: { start: number; end: number };
}
const IGNORE_PATTERN =
/^\s*(?:istanbul|[cv]8|node:coverage)\s+ignore\s+(if|else|next|file)(?=\W|$)/;
export function getIgnoreHints(code: string): IgnoreHint[] {
const ignoreHints: IgnoreHint[] = [];
const tokens = jsTokens(code);
let current = 0;
let previousTokenWasIgnoreHint = false;
for (const token of tokens) {
if (
previousTokenWasIgnoreHint &&
token.type !== "WhiteSpace" &&
token.type !== "LineTerminatorSequence"
) {
// Make the comment end reach all the way to the next node so that
// it's easier to check for ignore hints when inspecting node, kind of like
// leadingComments AST attribute.
const previous = ignoreHints.at(-1);
Eif (previous) {
previous.loc.end = current;
}
previousTokenWasIgnoreHint = false;
}
if (
token.type === "SingleLineComment" ||
token.type === "MultiLineComment"
) {
const loc = { start: current, end: current + token.value.length };
const comment = token.value
// Start of multiline comment
.replace(/^\/\*\*/, "")
.replace(/^\/\*/, "")
// End of multiline comment
.replace(/\*\*\/$/, "")
.replace(/\*\/$/, "")
// Inline comment
.replace(/^\/\//, "");
const groups = comment.match(IGNORE_PATTERN);
const type = groups?.[1];
if (type === "file") {
return [{ type: "file", loc: { start: 0, end: 0 } }];
}
if (type === "if" || type === "else" || type === "next") {
ignoreHints.push({ type, loc });
previousTokenWasIgnoreHint = true;
}
}
current += token.value.length;
}
return ignoreHints;
}
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