You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.8 KiB
58 lines
1.8 KiB
'use strict';
|
|
|
|
var PACKAGE_NAME = require('../../package.json').name,
|
|
PADDING = (new Array(11)).join(' ');
|
|
|
|
/**
|
|
* Format a debug message
|
|
* @param {{resourcePath:string, loaders:Array, loaderIndex:number}} context A loader or compilation
|
|
* @param {{input:Array.<string>, absolute:Array.<string>, output:Array.<string>, root:string}} info Source-map info
|
|
* @returns {string} An encoded debug string
|
|
*/
|
|
function debugMessage(context, info) {
|
|
return [
|
|
' ',
|
|
PACKAGE_NAME + ':',
|
|
' ' + context.resourcePath,
|
|
formatField('@', precedingRequest(context)),
|
|
formatField('INPUT', info.input || '(source-map absent)'),
|
|
formatField('ABSOLUTE', info.absolute),
|
|
formatField('OUTPUT', info.output),
|
|
formatField('ROOT', info.root)
|
|
]
|
|
.filter(Boolean)
|
|
.join('\n');
|
|
}
|
|
|
|
module.exports = debugMessage;
|
|
|
|
/**
|
|
* Find the request that precedes this loader in the loader chain
|
|
* @param {{loaders:Array, loaderIndex:number}} loader The loader context
|
|
* @returns {string} The request of the preceding loader
|
|
*/
|
|
function precedingRequest(loader) {
|
|
var isLoader = ('loaderIndex' in loader) && ('loaders' in loader) && Array.isArray(loader.loaders);
|
|
if (isLoader) {
|
|
var index = loader.loaderIndex + 1;
|
|
return (index in loader.loaders) ? loader.loaders[index].request : '(no preceding loader)';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Where the data is truthy then format it with a right-aligned title.
|
|
* @param {string} title
|
|
* @param {*} data The data to display
|
|
* @returns {boolean|string} False where data is falsey, else formatted message
|
|
*/
|
|
function formatField(title, data) {
|
|
return !!data && (rightAlign(title) + formatData(data));
|
|
|
|
function rightAlign(text) {
|
|
return (PADDING + text + ' ').slice(-PADDING.length);
|
|
}
|
|
|
|
function formatData(data) {
|
|
return Array.isArray(data) ? data.join('\n' + PADDING) : data;
|
|
}
|
|
} |