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Refactor to remove micromark helper matchAndGetTokensByType.

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This commit is contained in:
David Anson 2024-09-18 21:02:59 -07:00
parent 2ea3f95fd1
commit 87daa5b06c
4 changed files with 66 additions and 184 deletions
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63
helpers/helpers.js
View file

@ -471,60 +471,33 @@ function getReferenceLinkImageData(tokens) {
case "image":
case "link":
{
let isShortcut = false;
let isFullOrCollapsed = false;
let labelText = null;
let referenceStringText = null;
const shortcutCandidate =
micromark.matchAndGetTokensByType(token.children, [ "label" ]);
if (shortcutCandidate) {
labelText =
micromark.getTokenTextByType(
shortcutCandidate[0].children, "labelText"
);
isShortcut = (labelText !== null);
}
const fullAndCollapsedCandidate =
micromark.matchAndGetTokensByType(
token.children, [ "label", "reference" ]
// Identify if shortcut or full/collapsed
let isShortcut = (token.children.length === 1);
const isFullOrCollapsed = (token.children.length === 2) && !token.children.some((t) => t.type === "resource");
const [ labelText ] = micromark.getDescendantsByType(token, [ "label", "labelText" ]);
const [ referenceString ] = micromark.getDescendantsByType(token, [ "reference", "referenceString" ]);
let label = labelText?.text;
// Identify if footnote
if (!isShortcut && !isFullOrCollapsed) {
const [ footnoteCallMarker, footnoteCallString ] = token.children.filter(
(t) => [ "gfmFootnoteCallMarker", "gfmFootnoteCallString" ].includes(t.type)
);
if (fullAndCollapsedCandidate) {
labelText =
micromark.getTokenTextByType(
fullAndCollapsedCandidate[0].children, "labelText"
);
referenceStringText =
micromark.getTokenTextByType(
fullAndCollapsedCandidate[1].children, "referenceString"
);
isFullOrCollapsed = (labelText !== null);
if (footnoteCallMarker && footnoteCallString) {
label = `${footnoteCallMarker.text}${footnoteCallString.text}`;
isShortcut = true;
}
}
const footnote = micromark.matchAndGetTokensByType(
token.children,
[
"gfmFootnoteCallLabelMarker", "gfmFootnoteCallMarker",
"gfmFootnoteCallString", "gfmFootnoteCallLabelMarker"
],
[ "gfmFootnoteCallMarker", "gfmFootnoteCallString" ]
);
if (footnote) {
const callMarkerText = footnote[0].text;
const callString = footnote[1].text;
labelText = `${callMarkerText}${callString}`;
isShortcut = true;
}
// Track shortcuts separately due to ambiguity in "text [text] text"
// Track link (handle shortcuts separately due to ambiguity in "text [text] text")
if (isShortcut || isFullOrCollapsed) {
const referenceDatum = [
token.startLine - 1,
token.startColumn - 1,
token.text.length,
// @ts-ignore
labelText.length,
(referenceStringText || "").length
label.length,
(referenceString?.text || "").length
];
const reference =
normalizeReference(referenceStringText || labelText);
normalizeReference(referenceString?.text || label);
const dictionary = isShortcut ? shortcuts : references;
const referenceData = dictionary.get(reference) || [];
referenceData.push(referenceDatum);

26
helpers/micromark.cjs
View file

@ -475,31 +475,6 @@ function getTokenTextByType(tokens, type) {
return null;
}
/**
* Determines a list of Micromark tokens matches and returns a subset.
*
* @param {Token[]} tokens Micromark tokens.
* @param {TokenType[]} matchTypes Types to match.
* @param {TokenType[]} [resultTypes] Types to return.
* @returns {Token[] | null} Matching tokens.
*/
function matchAndGetTokensByType(tokens, matchTypes, resultTypes) {
if (tokens.length !== matchTypes.length) {
return null;
}
resultTypes = resultTypes || matchTypes;
const result = [];
// eslint-disable-next-line unicorn/no-for-loop
for (let i = 0; i < matchTypes.length; i++) {
if (tokens[i].type !== matchTypes[i]) {
return null;
} else if (resultTypes.includes(matchTypes[i])) {
result.push(tokens[i]);
}
}
return result;
}
/**
* Set containing token types that do not contain content.
*
@ -531,6 +506,5 @@ module.exports = {
getTokenTextByType,
inHtmlFlow,
isHtmlFlowComment,
matchAndGetTokensByType,
nonContentTokens
};