83 lines
2.2 KiB
TypeScript
83 lines
2.2 KiB
TypeScript
import * as _ from "lodash";
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import * as yargs from "yargs";
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import * as scanner from "../scanner";
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import * as handlebars from "handlebars";
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import * as fs from "fs";
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export var command = "list";
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export var describe = "Extracts a YAML field into an ordered list";
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export function builder(yargs: yargs.Arguments) {
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return yargs
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.help("help")
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.alias("t", "template")
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.default("template", "{{_number}}. {{{title}}}: {{{summary}}}")
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.alias("s", "trim-whitespace")
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.boolean("trim-whitspace")
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.alias("o", "output")
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.default("output", "-")
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.demand(1);
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}
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export function handler(argv: any) {
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var files = argv._.splice(1);
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var data = scanner.scanFiles(argv, files);
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render(argv, data);
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}
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export function render(argv, files) {
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// Compile the handlebars template.
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handlebars.registerHelper("eq", function (a, b) {
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return a === b;
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});
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handlebars.registerHelper("gt", function (a, b) {
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return a > b;
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});
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handlebars.registerHelper("gte", function (a, b) {
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return a >= b;
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});
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handlebars.registerHelper("lt", function (a, b) {
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return a < b;
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});
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handlebars.registerHelper("lte", function (a, b) {
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return a <= b;
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});
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handlebars.registerHelper("ne", function (a, b) {
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return a !== b;
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});
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const template = handlebars.compile(argv.template);
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// Go through each of the files and create a row from each one.
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const trim = /\s+/g;
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let output: string[] = [];
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for (var key in files) {
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// Combine everything into a single parameters object including `_number`
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// to represent the one-based index from the beginning.
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const number = 1 + parseInt(key.toString());
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let params = { ...files[key], _number: number };
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// Render the results and write it out.
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let result = template(params);
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if (argv.trimWhitespace) {
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result = result.replace(trim, " ").trim();
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}
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output.push(result);
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}
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// Write out the results as requested.
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if (argv.output === "-") {
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console.log(output.join("\n"));
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} else {
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fs.writeFileSync(argv.output, Buffer.from(output.join("\n"), "utf-8"));
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}
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}
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