Github user nikhilkh commented on a diff in the pull request:
https://github.com/apache/cordova-docs/pull/523#discussion_r54315457
--- Diff: tools/bin/util.js ---
@@ -22,45 +22,93 @@ module.exports = function () {
var fs = require("fs");
var path = require("path");
- return {
+ function stripFrontMatter(text) {
+
+ // get and replace front matter if it's there
+ // NOTE:
+ // String.replace() replaces only the first occurrence
+ // of a string, which is what we want
+ var rawFrontMatterString = getRawFrontMatterString(text);
+ if (rawFrontMatterString !== null) {
+ return text.replace(rawFrontMatterString, "");
+ }
- stripFrontMatter: function(text) {
+ return text;
+ }
- var marker = "---";
+ function getFrontMatterString(text) {
+ var rawFrontMatterString = getRawFrontMatterString(text);
+ if (rawFrontMatterString !== null) {
- var firstMarker = text.indexOf(marker);
- if (firstMarker === (-1)) {
- return text;
- }
+ // strip out front matter markers
+ var frontMatterString =
rawFrontMatterString.replace(/^---\s*$/gm, "")
+ return frontMatterString;
+ }
- var secondMarker = text.indexOf(marker, firstMarker +
marker.length);
- var start = secondMarker + marker.length;
+ return null;
+ }
- return text.slice(start);
- },
+ function setFrontMatterString(text, frontMatterString) {
+ var textOnly = stripFrontMatter(text);
+ var newText = "---\n" + frontMatterString + "---\n\n" + textOnly;
+ return newText;
+ }
- listdirsSync: function (root) {
- return fs.readdirSync(root).filter(function(fileName) {
- return fs.statSync(path.join(root,
fileName)).isDirectory();
- });
- },
+ function getRawFrontMatterString(text) {
+ // NOTE:
+ // [\s\S] matches all characters
+ // *? non-greedy *-match
+ var match = text.match(/^(---\s*\n[\s\S]*?\n---\s*\n)[\s\S]*$/);
--- End diff --
This might not work with Windows line endings. Here's another approach to
doing this: https://github.com/jxson/front-matter/blob/master/index.js
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