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Merge pull request #3624 from G-Ambatte/fixVarNameSubstringClash-#3613

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Fix var name substring clash #3613
This commit is contained in:
Trevor Buckner
2024-08-11 21:49:31 -04:00
committed by GitHub
parent e1ad6f8114 3ba67fb3d0
commit 284bfe565b
2 changed files with 15 additions and 1 deletions
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2
shared/naturalcrit/markdown.js
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@@ -462,7 +462,7 @@ const replaceVar = function(input, hoist=false, allowUnresolved=false) {
mathVars?.forEach((variable)=>{
const foundVar = lookupVar(variable, globalPageNumber, hoist);
if(foundVar && foundVar.resolved && foundVar.content && !isNaN(foundVar.content)) // Only subsitute math values if fully resolved, not empty strings, and numbers
replacedLabel = replacedLabel.replaceAll(variable, foundVar.content);
replacedLabel = replacedLabel.replaceAll(new RegExp(`(?<!\\w)(${variable})(?!\\w)`, 'g'), foundVar.content);
});
try {

14
tests/markdown/variables.test.js
View File

@@ -370,4 +370,18 @@ describe('Cross-page variables', ()=>{
const rendered = renderAllPages([source0, source1]).join('\n\\page\n').trimReturns();
expect(rendered, `Input:\n${[source0, source1].join('\n\\page\n')}`, { showPrefix: false }).toBe('<p>two</p><p>one</p>\\page<p>two</p>');
});
});
describe('Variable name as a subset of a function or other variable name', ()=>{
it('Variable name as a subset of a function', function() {
const source = `[a]: -1\n\n$[abs(a)]`;
const rendered = Markdown.render(source).trimReturns();
expect(rendered).toBe('<p>1</p>');
});
it('Variable name as a subset of another variable name', function() {
const source = `[ab]: 2\n\n[aba]: 8\n\n[ba]: 4\n\n$[ab + aba + ba]`;
const rendered = Markdown.render(source).trimReturns();
expect(rendered).toBe('<p>14</p>');
});
});