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eslint-plugin-jsdoc

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import iterateJsdoc from '../iterateJsdoc.js'; export default iterateJsdoc(({ context, jsdoc, utils, }) => { const [ alwaysNever = 'never', { applyToEndTag = true, count = 1, endLines = 0, startLines = 0, tags = {}, } = {}, ] = context.options; // eslint-disable-next-line complexity -- Temporary jsdoc.tags.some((tg, tagIdx) => { let lastTag; /** * @type {null|import('../iterateJsdoc.js').Integer} */ let lastEmpty = null; /** * @type {null|import('../iterateJsdoc.js').Integer} */ let reportIndex = null; let emptyLinesCount = 0; for (const [ idx, { tokens: { description, end, name, tag, type, }, }, ] of tg.source.entries()) { // May be text after a line break within a tag description if (description) { reportIndex = null; } if (lastTag && [ 'always', 'any', ].includes(tags[lastTag.slice(1)]?.lines)) { continue; } const empty = !tag && !name && !type && !description; if ( empty && !end && (alwaysNever === 'never' || lastTag && tags[lastTag.slice(1)]?.lines === 'never' ) ) { reportIndex = idx; continue; } if (!end) { if (empty) { emptyLinesCount++; } else { emptyLinesCount = 0; } lastEmpty = empty ? idx : null; } lastTag = tag; } if ( typeof endLines === 'number' && lastEmpty !== null && tagIdx === jsdoc.tags.length - 1 ) { const lineDiff = endLines - emptyLinesCount; if (lineDiff < 0) { const fixer = () => { utils.removeTag(tagIdx, { tagSourceOffset: /** @type {import('../iterateJsdoc.js').Integer} */ ( lastEmpty ) + lineDiff + 1, }); }; utils.reportJSDoc( `Expected ${endLines} trailing lines`, { line: tg.source[lastEmpty].number + lineDiff + 1, }, fixer, ); } else if (lineDiff > 0) { const fixer = () => { utils.addLines( tagIdx, /** @type {import('../iterateJsdoc.js').Integer} */ (lastEmpty), endLines - emptyLinesCount, ); }; utils.reportJSDoc( `Expected ${endLines} trailing lines`, { line: tg.source[lastEmpty].number, }, fixer, ); } return true; } if (reportIndex !== null) { const fixer = () => { utils.removeTag(tagIdx, { tagSourceOffset: /** @type {import('../iterateJsdoc.js').Integer} */ ( reportIndex ), }); }; utils.reportJSDoc( 'Expected no lines between tags', { line: tg.source[0].number + 1, }, fixer, ); return true; } return false; }); (applyToEndTag ? jsdoc.tags : jsdoc.tags.slice(0, -1)).some((tg, tagIdx) => { /** * @type {{ * idx: import('../iterateJsdoc.js').Integer, * number: import('../iterateJsdoc.js').Integer * }[]} */ const lines = []; let currentTag; let tagSourceIdx = 0; for (const [ idx, { number, tokens: { description, end, name, tag, type, }, }, ] of tg.source.entries()) { if (description) { lines.splice(0, lines.length); tagSourceIdx = idx; } if (tag) { currentTag = tag; } if (!tag && !name && !type && !description && !end) { lines.push({ idx, number, }); } } const currentTg = currentTag && tags[currentTag.slice(1)]; const tagCount = currentTg?.count; const defaultAlways = alwaysNever === 'always' && currentTg?.lines !== 'never' && currentTg?.lines !== 'any' && lines.length < count; let overrideAlways; let fixCount = count; if (!defaultAlways) { fixCount = typeof tagCount === 'number' ? tagCount : count; overrideAlways = currentTg?.lines === 'always' && lines.length < fixCount; } if (defaultAlways || overrideAlways) { const fixer = () => { utils.addLines(tagIdx, lines[lines.length - 1]?.idx || tagSourceIdx + 1, fixCount - lines.length); }; const line = lines[lines.length - 1]?.number || tg.source[tagSourceIdx].number; utils.reportJSDoc( `Expected ${fixCount} line${fixCount === 1 ? '' : 's'} between tags but found ${lines.length}`, { line, }, fixer, ); return true; } return false; }); if (typeof startLines === 'number') { if (!jsdoc.tags.length) { return; } const { description, lastDescriptionLine, } = utils.getDescription(); if (!(/\S/u).test(description)) { return; } const trailingLines = description.match(/\n+$/u)?.[0]?.length; const trailingDiff = (trailingLines ?? 0) - startLines; if (trailingDiff > 0) { utils.reportJSDoc( `Expected only ${startLines} line after block description`, { line: lastDescriptionLine - trailingDiff, }, () => { utils.setBlockDescription((info, seedTokens, descLines) => { return descLines.slice(0, -trailingDiff).map((desc) => { return { number: 0, source: '', tokens: seedTokens({ ...info, description: desc, postDelimiter: desc.trim() ? info.postDelimiter : '', }), }; }); }); }, ); } else if (trailingDiff < 0) { utils.reportJSDoc( `Expected ${startLines} lines after block description`, { line: lastDescriptionLine, }, () => { utils.setBlockDescription((info, seedTokens, descLines) => { return [ ...descLines, ...Array.from({ length: -trailingDiff, }, () => { return ''; }), ].map((desc) => { return { number: 0, source: '', tokens: seedTokens({ ...info, description: desc, postDelimiter: desc.trim() ? info.postDelimiter : '', }), }; }); }); }, ); } } }, { iterateAllJsdocs: true, meta: { docs: { description: 'Enforces lines (or no lines) between tags.', url: 'https://github.com/gajus/eslint-plugin-jsdoc/blob/main/docs/rules/tag-lines.md#repos-sticky-header', }, fixable: 'code', schema: [ { enum: [ 'always', 'any', 'never', ], type: 'string', }, { additionalProperties: false, properties: { applyToEndTag: { type: 'boolean', }, count: { type: 'integer', }, endLines: { anyOf: [ { type: 'integer', }, { type: 'null', }, ], }, startLines: { anyOf: [ { type: 'integer', }, { type: 'null', }, ], }, tags: { patternProperties: { '.*': { additionalProperties: false, properties: { count: { type: 'integer', }, lines: { enum: [ 'always', 'never', 'any', ], type: 'string', }, }, }, }, type: 'object', }, }, type: 'object', }, ], type: 'suggestion', }, });