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fix: make rearrangeRules update the array itself

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This commit is contained in:
Reda Al Sulais
2023-11-05 02:03:58 +03:00
parent 0c57433567
commit cf1880343b
1 changed files with 19 additions and 5 deletions
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24
packages/parser/src/language/common/tokenBuilder.ts
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@@ -34,12 +34,26 @@ export abstract class MermaidTokenBuilder extends DefaultTokenBuilder {
return tokenTypes; return tokenTypes;
} }
private rearrangeRules(rules: GrammarAST.AbstractRule[]): GrammarAST.AbstractRule[] { /**
const pivotIndex = rules.findIndex((rule) => rule.name === 'TitleAndAccessibilities'); * Reorders rules using a pivot rule.
if (pivotIndex === -1) { *
return rules; * We use this function to reorder rules because imported rules are
* inserted at the end of the array.
*
* @param rules - the grammar rules.
*/
private rearrangeRules(rules: GrammarAST.AbstractRule[]): void {
const index = rules.findIndex((rule) => rule.name === 'TitleAndAccessibilities');
if (index === -1) {
return;
} }
return [...rules.slice(pivotIndex), ...rules.slice(0, pivotIndex)];
const [item] = rules.splice(index, 1);
rules.unshift(item);
const itemsToMove = rules.splice(1, index);
rules.push(...itemsToMove);
} }
} }