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This should be backward compatible, as all "header" aliases are still available, though documented as discouraged for future use.
26 lines
726 B
JavaScript
26 lines
726 B
JavaScript
// @ts-check
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"use strict";
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var shared = require("./shared");
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module.exports = {
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"names": [ "MD025", "single-h1" ],
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"description": "Multiple top level headings in the same document",
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"tags": [ "headings", "headers" ],
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"function": function MD025(params, onError) {
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var level = params.config.level || 1;
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var tag = "h" + level;
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var hasTopLevelHeading = false;
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shared.filterTokens(params, "heading_open", function forToken(token) {
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if (token.tag === tag) {
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if (hasTopLevelHeading) {
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shared.addErrorContext(onError, token.lineNumber,
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token.line.trim());
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} else if (token.lineNumber === 1) {
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hasTopLevelHeading = true;
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}
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}
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});
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}
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};
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