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Improve code explanation in load.js

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This commit is contained in:
Jürg Lehni 2016-01-18 10:21:28 +01:00
parent 5fd0640d5f
commit 5cb4ab732b
1 changed files with 9 additions and 6 deletions
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15
src/load.js
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@ -21,12 +21,15 @@ if (typeof window === 'object') {
// Browser based loading through Prepro.js: // Browser based loading through Prepro.js:
if (!window.include) { if (!window.include) {
var scripts = document.getElementsByTagName('script'); // Get the last script tag and assume it's the one that loaded this file
var src = scripts[scripts.length - 1].getAttribute('src'); // then get its src attribute and figure out the location of our root.
// Assume that we're loading browser.js from a root folder, either var scripts = document.getElementsByTagName('script'),
// through dist/paper-full.js, or directly through src/load.js, and src = scripts[scripts.length - 1].getAttribute('src');
// match root as all the parts of the path that lead to that folder. // Assume that we're loading from a non-root folder, either through
var root = src.match(/^(.*\/)\w*\//)[1]; // ../../dist/paper-full.js, or directly through ../../src/load.js,
// and match root as all the parts of the path that lead to that folder.
// So we basically just want all the leading '.' and '/' characters:
var root = src.match(/^([.\/]*)/)[1];
// First load the prepro's browser.js file, which provides the include() // First load the prepro's browser.js file, which provides the include()
// function for the browser. // function for the browser.
load(root + 'node_modules/prepro/lib/browser.js'); load(root + 'node_modules/prepro/lib/browser.js');