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Add 'auto' support for prepAnsi() rows/height

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This commit is contained in:
Bryan Ashby
2017-08-17 21:31:57 -06:00
parent 8a619b5138
commit b896046bff
3 changed files with 15 additions and 5 deletions
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16
core/string_util.js
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@@ -384,11 +384,11 @@ function prepAnsi(input, options, cb) {
options.termHeight = options.termHeight || 25;
options.cols = options.cols || options.termWidth || 80;
options.rows = options.rows || options.termHeight || 25;
options.rows = options.rows || options.termHeight || 'auto';
options.startCol = options.startCol || 1;
const canvas = Array.from( { length : options.rows }, () => Array.from( { length : options.cols}, () => new Object() ) );
const canvas = Array.from( { length : 'auto' === options.rows ? 25 : options.rows }, () => Array.from( { length : options.cols}, () => new Object() ) );
const parser = new ANSIEscapeParser( { termHeight : options.termHeight, termWidth : options.termWidth } );
const state = {
@@ -398,6 +398,14 @@ function prepAnsi(input, options, cb) {
let lastRow = 0;
function ensureRow(row) {
if(Array.isArray(canvas[row])) {
return;
}
canvas[row] = Array.from( { length : options.cols}, () => new Object() );
}
parser.on('position update', (row, col) => {
state.row = row - 1;
state.col = col - 1;
@@ -412,7 +420,9 @@ function prepAnsi(input, options, cb) {
literal = literal.replace(/\r?\n|[\r\u2028\u2029]/g, '');
for(let c of literal) {
if(state.col < options.cols && state.row < options.rows) {
if(state.col < options.cols && ('auto' === options.rows || state.row < options.rows)) {
ensureRow(state.row);
canvas[state.row][state.col].char = c;
if(state.sgr) {