diff options
Diffstat (limited to 'node_modules/pretty-hrtime/index.js')
-rw-r--r-- | node_modules/pretty-hrtime/index.js | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/node_modules/pretty-hrtime/index.js b/node_modules/pretty-hrtime/index.js new file mode 100644 index 0000000..bed3f89 --- /dev/null +++ b/node_modules/pretty-hrtime/index.js @@ -0,0 +1,80 @@ +/*jshint node:true */
+
+"use strict";
+
+var minimalDesc = ['h', 'min', 's', 'ms', 'μs', 'ns'];
+var verboseDesc = ['hour', 'minute', 'second', 'millisecond', 'microsecond', 'nanosecond'];
+var convert = [60*60, 60, 1, 1e6, 1e3, 1];
+
+module.exports = function (source, opts) {
+ var verbose, precise, i, spot, sourceAtStep, valAtStep, decimals, strAtStep, results, totalSeconds;
+
+ verbose = false;
+ precise = false;
+ if (opts) {
+ verbose = opts.verbose || false;
+ precise = opts.precise || false;
+ }
+
+ if (!Array.isArray(source) || source.length !== 2) {
+ return '';
+ }
+ if (typeof source[0] !== 'number' || typeof source[1] !== 'number') {
+ return '';
+ }
+
+ // normalize source array due to changes in node v5.4+
+ if (source[1] < 0) {
+ totalSeconds = source[0] + source[1] / 1e9;
+ source[0] = parseInt(totalSeconds);
+ source[1] = parseFloat((totalSeconds % 1).toPrecision(9)) * 1e9;
+ }
+
+ results = '';
+
+ // foreach unit
+ for (i = 0; i < 6; i++) {
+ spot = i < 3 ? 0 : 1; // grabbing first or second spot in source array
+ sourceAtStep = source[spot];
+ if (i !== 3 && i !== 0) {
+ sourceAtStep = sourceAtStep % convert[i-1]; // trim off previous portions
+ }
+ if (i === 2) {
+ sourceAtStep += source[1]/1e9; // get partial seconds from other portion of the array
+ }
+ valAtStep = sourceAtStep / convert[i]; // val at this unit
+ if (valAtStep >= 1) {
+ if (verbose) {
+ valAtStep = Math.floor(valAtStep); // deal in whole units, subsequent laps will get the decimal portion
+ }
+ if (!precise) {
+ // don't fling too many decimals
+ decimals = valAtStep >= 10 ? 0 : 2;
+ strAtStep = valAtStep.toFixed(decimals);
+ } else {
+ strAtStep = valAtStep.toString();
+ }
+ if (strAtStep.indexOf('.') > -1 && strAtStep[strAtStep.length-1] === '0') {
+ strAtStep = strAtStep.replace(/\.?0+$/,''); // remove trailing zeros
+ }
+ if (results) {
+ results += ' '; // append space if we have a previous value
+ }
+ results += strAtStep; // append the value
+ // append units
+ if (verbose) {
+ results += ' '+verboseDesc[i];
+ if (strAtStep !== '1') {
+ results += 's';
+ }
+ } else {
+ results += ' '+minimalDesc[i];
+ }
+ if (!verbose) {
+ break; // verbose gets as many groups as necessary, the rest get only one
+ }
+ }
+ }
+
+ return results;
+};
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