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56 lines
1.2 KiB
56 lines
1.2 KiB
/* global openstreetbrowserPrefix */
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var loadClash = {}
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var cache = {}
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function applyOptions (code, options) {
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var style = ''
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for (var k in options) {
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if (k !== 'size') {
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style += k + ':' + options[k] + ';'
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}
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}
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return code.replace(/<path/i, '<path style="' + style + '"')
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}
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function maki (file, options, callback) {
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var size = options.size || 15
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var m = file.match(/^(.*)-(11|15)/)
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if (!m) {
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file += '-' + size
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}
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var url = (typeof openstreetbrowserPrefix === 'undefined' ? './' : openstreetbrowserPrefix) +
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'node_modules/@mapbox/maki/icons/' + file + '.svg'
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if (file in cache) {
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return callback(null, applyOptions(cache[file], options))
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}
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if (file in loadClash) {
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loadClash[file].push([ options, callback ])
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return
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} else {
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loadClash[file] = [ [ options, callback ] ]
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}
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var req = new XMLHttpRequest()
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req.addEventListener('load', function () {
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if (req.status !== 200) {
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loadClash[file].forEach(p => p[1](req.statusText, null))
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delete loadClash[file]
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return
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}
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cache[file] = req.responseText
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loadClash[file].forEach(p => p[1](null, applyOptions(cache[file], p[0])))
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delete loadClash[file]
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})
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req.open('GET', url)
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req.send()
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}
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module.exports = maki
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