Fork Notesium source and restructure into Go package layout
Initial fork of github.com/alonswartz/notesium into librenotes: - Source moved to internal/notesium/ (package notesium) - Thin entry point at cmd/librenotes/main.go - Module renamed to git.librete.ch/public/librenotes - main() exposed as notesium.Run() - LICENSE preserved (MIT), NOTICE added with attribution - Web assets and completion.bash co-located with embedding code to satisfy go:embed path constraints Closes #3, #34, #35. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Claude Opus 4.7
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function isTableRow(cm, lineNum) {
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return cm.getLine(lineNum).trim().startsWith('|');
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}
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function findTableBoundaries(cm, lineNum) {
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let startLine = lineNum, endLine = lineNum;
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while (startLine > 0 && isTableRow(cm, startLine - 1)) startLine--;
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while (endLine < cm.lineCount() - 1 && isTableRow(cm, endLine + 1)) endLine++;
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return { startLine, endLine };
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}
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function getColumnAlignments(cm, lineNum) {
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return cm.getLine(lineNum).split('|').slice(1, -1).map(col => {
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const trimmedCol = col.trim();
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if (trimmedCol.startsWith(':') && trimmedCol.endsWith(':')) return 'center'
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if (trimmedCol.endsWith(':')) return 'right';
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return 'left';
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});
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}
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function getColumnPositions(cm, lineNum) {
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const lineText = cm.getLine(lineNum);
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let positions = [];
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let pos = lineText.indexOf('|');
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while (pos !== -1) { positions.push(pos); pos = lineText.indexOf('|', pos + 1); }
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return positions;
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}
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function getColumnMaxLengths(cm, startLine, endLine, conceal) {
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let maxLengths = [];
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for (let lineNum = startLine; lineNum <= endLine; lineNum++) {
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if (lineNum == startLine + 1) continue;
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const columns = cm.getLine(lineNum).trim().split('|').map(col => col.trim());
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columns.slice(1, -1).forEach((col, index) => {
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const colLength = conceal ? getConcealLength(col) : col.length;
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if (!maxLengths[index] || colLength > maxLengths[index]) {
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maxLengths[index] = colLength;
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}
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});
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}
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return maxLengths;
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}
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function formatRowSep(cm, lineNum, colMaxLengths, colAlignments) {
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const line = cm.getLine(lineNum);
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let columns = line.split('|');
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columns = columns.map((col, index) => {
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if (index === 0 || index === columns.length - 1) return col;
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switch (colAlignments[index - 1]) {
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case 'center': return ` :${"-".repeat(colMaxLengths[index - 1] - 2)}: `;
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case 'right': return ` ${"-".repeat(colMaxLengths[index - 1] - 1)}: `;
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default: return ` ${"-".repeat(colMaxLengths[index - 1])} `;
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}
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});
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cm.replaceRange(columns.join('|'), {line: lineNum, ch: 0}, {line: lineNum, ch: line.length});
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}
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function formatRow(cm, lineNum, colMaxLengths, colAlignments, conceal) {
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const line = cm.getLine(lineNum);
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let columns = line.split('|');
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columns = columns.map((col, index) => {
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if (index === 0 || index === columns.length - 1) return col;
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const colTrimmed = col.trim();
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const colLength = conceal ? getConcealLength(colTrimmed) : colTrimmed.length;
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const paddingLength = Math.max(0, colMaxLengths[index - 1] - colLength);
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const halfPadding = Math.floor(paddingLength / 2);
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switch (colAlignments[index - 1]) {
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case 'center': return ` ${' '.repeat(halfPadding)}${colTrimmed}${' '.repeat(paddingLength - halfPadding)} `;
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case 'right': return ` ${' '.repeat(paddingLength)}${colTrimmed} `;
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default: return ` ${colTrimmed}${' '.repeat(paddingLength)} `;
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}
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});
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cm.replaceRange(columns.join('|'), {line: lineNum, ch: 0}, {line: lineNum, ch: line.length});
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}
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function formatRows(cm, conceal) {
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const cursorPos = cm.getCursor();
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if (!isTableRow(cm, cursorPos.line)) return;
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const { startLine, endLine } = findTableBoundaries(cm, cursorPos.line);
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const colAlignments = getColumnAlignments(cm, startLine + 1);
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const colMaxLengths = getColumnMaxLengths(cm, startLine, endLine, conceal);
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for (let lineNum = startLine; lineNum <= endLine; lineNum++) {
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if (lineNum == startLine + 1) {
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formatRowSep(cm, lineNum, colMaxLengths, colAlignments);
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} else {
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formatRow(cm, lineNum, colMaxLengths, colAlignments, conceal);
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}
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}
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}
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function addOrUpdateRowSep(cm) {
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const cursorPos = cm.getCursor();
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const { startLine, endLine } = findTableBoundaries(cm, cursorPos.line);
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if (startLine !== cursorPos.line) return;
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const columnsCount = getColumnPositions(cm, startLine).length;
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if (startLine == endLine) {
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cm.replaceRange("\n" + `${"|".repeat(columnsCount)}`, {line: startLine, ch: cm.getLine(startLine).length});
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return;
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}
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const sepLineNum = startLine + 1;
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const sepLineText = cm.getLine(sepLineNum);
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const columnsCountSep = getColumnPositions(cm, sepLineNum).length;
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if (columnsCount > columnsCountSep) {
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cm.replaceRange(`${"|".repeat(columnsCount - columnsCountSep)}`, {line: sepLineNum, ch: sepLineText.length});
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} else {
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const newSepLineText = sepLineText.split('|').slice(0, columnsCount).join('|') + '|';
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cm.replaceRange(newSepLineText, {line: sepLineNum, ch: 0}, {line: sepLineNum, ch: sepLineText.length});
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}
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}
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export function isCursorInTable(cm) {
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const cursorPos = cm.getCursor();
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return isTableRow(cm, cursorPos.line);
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}
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export function formatTableAndAdvance(cm, conceal) {
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const cursorPos = cm.getCursor();
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if (!isTableRow(cm, cursorPos.line)) return;
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const currentPositions = getColumnPositions(cm, cursorPos.line);
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const currentColumn = currentPositions.filter(pos => pos < cursorPos.ch).length;
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if (currentColumn == currentPositions.length) {
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cm.replaceRange('|', {line: cursorPos.line, ch: cm.getLine(cursorPos.line).length});
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addOrUpdateRowSep(cm);
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formatRows(cm, conceal);
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cm.setCursor(cursorPos.line, cm.getLine(cursorPos.line).length);
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} else {
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formatRows(cm, conceal);
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const newPositions = getColumnPositions(cm, cursorPos.line);
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cm.setCursor(cursorPos.line, newPositions[currentColumn] + 2);
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}
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}
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export function navigateTable(cm, direction) {
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const cursorPos = cm.getCursor();
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if (!isTableRow(cm, cursorPos.line)) return CodeMirror.Pass;
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const currentPositions = getColumnPositions(cm, cursorPos.line);
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const currentColumn = currentPositions.filter(pos => pos < cursorPos.ch).length;
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const moveCursorVertically = (targetLine) => {
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const targetPositions = getColumnPositions(cm, targetLine);
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const targetCh = currentColumn <= targetPositions.length
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? targetPositions[currentColumn - 1] + 2
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: cm.getLine(targetLine).length;
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cm.setCursor(targetLine, targetCh);
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};
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switch (direction) {
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case 'left':
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if (currentColumn > 1) {
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cm.setCursor(cursorPos.line, currentPositions[currentColumn - 2] + 2);
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}
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break;
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case 'right':
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if (currentColumn < currentPositions.length) {
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cm.setCursor(cursorPos.line, currentPositions[currentColumn] + 2);
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}
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break;
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case 'up':
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const {startLine} = findTableBoundaries(cm, cursorPos.line);
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if (cursorPos.line > startLine) moveCursorVertically(cursorPos.line - 1);
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break;
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case 'down':
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const {endLine} = findTableBoundaries(cm, cursorPos.line);
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if (cursorPos.line < endLine) moveCursorVertically(cursorPos.line + 1);
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break;
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}
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}
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function getConcealLength(s) {
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s = s.replace(/\[([^\]]+)\]\([^)]+\)/g, '$1'); // Links
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s = s.replace(/(\*\*\*|___)(.*?)\1/g, '$2'); // Bold + Italic
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s = s.replace(/(\*\*|__)(.*?)\1/g, '$2'); // Bold
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s = s.replace(/(\*|_)(.*?)\1/g, '$2'); // Italic
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s = s.replace(/(~~)(.*?)\1/g, '$2'); // Strikethrough
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s = s.replace(/(`)(.*?)\1/g, '$2'); // Inline code
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return s.length;
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}
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