| 1 |
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| 2 | var wcwidth;
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| 3 |
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| 4 | wcwidth = require('wcwidth');
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| 5 |
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| 6 | module.exports = function(text, length, options) {
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| 7 | var escapecolor, invert, pad, padlength, textnocolors;
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| 8 | if (options == null) {
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| 9 | options = {};
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| 10 | }
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| 11 | invert = typeof text === 'number';
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| 12 | if (invert) {
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| 13 | [length, text] = [text, length];
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| 14 | }
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| 15 | if (typeof options === 'string') {
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| 16 | options = {
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| 17 | char: options
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| 18 | };
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| 19 | }
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| 20 | if (options.char == null) {
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| 21 | options.char = ' ';
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| 22 | }
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| 23 | if (options.strip == null) {
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| 24 | options.strip = false;
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| 25 | }
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| 26 | if (typeof text !== 'string') {
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| 27 | text = text.toString();
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| 28 | }
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| 29 | textnocolors = null;
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| 30 | pad = '';
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| 31 | if (options.colors) {
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| 32 | escapecolor = /\x1B\[(?:[0-9]{1,2}(?:;[0-9]{1,2})?)?[m|K]/g;
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| 33 | textnocolors = text.replace(escapecolor, '');
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| 34 | }
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| 35 | padlength = options.fixed_width ? length - (textnocolors || text).length : length - wcwidth.config(options.wcwidth_options)(textnocolors || text);
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| 36 | if (padlength < 0) {
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| 37 | if (options.strip) {
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| 38 | if (invert) {
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| 39 | return text.substr(length * -1);
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| 40 | } else {
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| 41 | return text.substr(0, length);
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| 42 | }
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| 43 | }
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| 44 | return text;
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| 45 | }
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| 46 | pad += options.char.repeat(padlength);
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| 47 | if (invert) {
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| 48 | return pad + text;
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| 49 | } else {
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| 50 | return text + pad;
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| 51 | }
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| 52 | };
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