63 lines
1.8 KiB
JavaScript
63 lines
1.8 KiB
JavaScript
module.exports = function() {
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// var MIXIN_PATTERN = /\S*\+\S*\(.*/;
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return {
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name: 'indentForMarkdown',
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process: function(str, width) {
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if (str == null || str.length === 0) {
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return '';
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}
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width = width || 4;
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var lines = str.split('\n');
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var newLines = [];
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var sp = spaces(width);
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var spMixin = spaces(width - 2);
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var isAfterMarkdownTag = true;
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lines.forEach(function(line) {
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// indent lines that match mixin pattern by 2 less than specified width
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if (line.indexOf('{@example') >= 0) {
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if (isAfterMarkdownTag) {
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// happens if example follows example
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if (newLines.length > 0) {
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newLines.pop();
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} else {
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// wierd case - first expression in str is an @example
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// in this case the :marked appear above the str passed in,
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// so we need to put 'something' into the markdown tag.
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newLines.push(sp + '.'); // '.' is a dummy char
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}
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}
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newLines.push(spMixin + line);
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// after a mixin line we need to reenter markdown.
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newLines.push(spMixin + ':marked');
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isAfterMarkdownTag = true;
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} else {
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if ((!isAfterMarkdownTag) || (line.trim().length > 0)) {
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newLines.push(sp + line);
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isAfterMarkdownTag = false;
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}
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}
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});
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if (isAfterMarkdownTag) {
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if (newLines.length > 0) {
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// if last line is a markdown tag remove it.
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newLines.pop();
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}
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}
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// force character to be a newLine.
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if (newLines.length > 0) newLines.push('');
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var res = newLines.join('\n');
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return res;
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}
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};
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function spaces(n) {
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var str = '';
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for (var i = 0; i < n; i++) {
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str += ' ';
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}
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return str;
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}
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};
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