Files
TechRadarAJR/scripts/radar.js
2017-01-22 22:29:02 +01:00

130 lines
3.2 KiB
JavaScript

import { walk } from 'walk';
import fs, { readFile, outputFile } from 'fs-extra';
import path from 'path';
import frontmatter from 'front-matter';
import marked from 'marked';
import { srcPath, distPath } from './file';
import { item as itemTemplate } from './template';
export const createRadar = async (tree) => {
const fileNames = await getAllMarkdownFiles();
const revisions = await createRevisionsFromFiles(fileNames);
const quadrants = createQuadrants(revisions);
return quadrants;
};
const getAllMarkdownFiles = () => (
new Promise((resolve, reject) => {
const walker = walk(srcPath(), { followLinks: false });
const files = [];
walker.on("file", (root, fileStat, next) => {
if (isMarkdownFile(fileStat.name)) {
files.push(path.resolve(root, fileStat.name));
}
next();
});
walker.on("errors", (root, nodeStatsArray, next) => {
nodeStatsArray.forEach(function (n) {
console.error("[ERROR] " + n.name)
console.error(n.error.message || (n.error.code + ": " + n.error.path));
});
next();
});
walker.on("end", () => {
resolve(files.sort().reverse());
});
})
);
const isMarkdownFile = (name) => name.match(/\.md$/);
const createRevisionsFromFiles = (fileNames) => (
Promise.all(fileNames.map((fileName) => {
return new Promise((resolve, reject) => {
readFile(fileName, 'utf8', (err, data) => {
if(err) {
reject(err);
} else {
const fm = frontmatter(data);
resolve({
...itemInfoFromFilename(fileName),
fileName,
attributes: fm.attributes,
body: marked(fm.body),
});
}
});
})
}))
)
const itemInfoFromFilename = (fileName) => {
const [
version,
quadrant,
nameWithSuffix,
] = fileName.split('/').slice(-3);
return {
name: nameWithSuffix.substr(0, nameWithSuffix.length - 3),
version,
quadrant,
}
};
const createQuadrants = (revisions) => (
revisions.reduce((quadrants, revision) => {
return {
...quadrants,
[revision.quadrant]: addRevisionToQuadrant(quadrants[revision.quadrant], revision),
};
}, {})
);
const addRevisionToQuadrant = (quadrant = {}, revision) => ({
...quadrant,
[revision.name]: addRevisionToItem(quadrant[revision.name], revision),
});
const addRevisionToItem = (item = {
attributes: {},
revisions: [],
}, revision) => {
const {
name,
quadrant,
fileName,
...rest,
} = revision;
return {
quadrant,
attributes: {
...item.attributes,
...revision.attributes,
},
revisions: item.revisions.concat(rest),
};
};
export const outputRadar = (radar) => {
return Promise.all(
Object.entries(radar).map(([quadrantName, quadrant]) => (
Object.entries(quadrant).map(([itemName, item]) => (
new Promise((resolve, reject) => {
console.log(JSON.stringify(item, null, 2));
outputFile(distPath(quadrantName, `${itemName}.html`), itemTemplate(item), (err, data) => {
if (err) {
reject(err);
} else {
resolve(data);
}
})
})
))
))
);
};