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remove html tag shown in problem description (in terminal) #40

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remove html tag shown in problem description (in terminal) #40

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17 changes: 16 additions & 1 deletion lib/commands/show.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,8 @@
'use strict';
var util = require('util');

var cheerio = require('cheerio');
var he = require('he');
var _ = require('underscore');
var childProcess = require('child_process');

Expand Down Expand Up @@ -89,6 +91,19 @@ function genFileName(problem, opts) {
}
}

// removes html tags from problem description before printing it to the terminal
function cleanProblemDesc(desc){
// Replace <sup/> with '^' as the power operator
desc = desc.replace(/<\/sup>/gm, '').replace(/<sup>/gm, '^');
desc = he.decode(cheerio.load(desc).root().text());
// NOTE: wordwrap internally uses '\n' as EOL, so here we have to
// remove all '\r' in the raw string.
desc = desc.replace(/\r\n/g, '\n').replace(/^ /mg, '⁠');
// const wrap = require('wordwrap')(79);
// desc = wrap(desc);
return desc;
}

function showProblem(problem, argv) {
const taglist = [problem.category]
.concat(problem.companies || [])
Expand Down Expand Up @@ -168,7 +183,7 @@ function showProblem(problem, argv) {
log.printf('* Source Code: %s', chalk.yellow.underline(filename));

log.info();
log.info(problem.desc);
log.info(cleanProblemDesc(problem.desc));
}

cmd.handler = function(argv) {
Expand Down