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Sort of fail-safe for google map reload #25

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Sort of fail-safe for google map reload #25

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9b0332d
Lint fixes
May 19, 2020
39c5963
Change the id name to avoid ambiguity
May 19, 2020
3b006d5
removed semi-colan
May 20, 2020
6962e80
Since I done have another way to do this
May 20, 2020
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16 changes: 16 additions & 0 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,11 +1,26 @@
const API_URL = 'https://maps.googleapis.com/maps/api/js'
const CALLBACK_NAME = '__googleMapsApiOnLoadCallback'
const GOOGLE_SCRIPT_ID = 'google-map-script'

const optionsKeys = ['channel', 'client', 'key', 'language', 'region', 'v']

let promise = null
let preOptions = null

function isOptEq (preOptions, options) {
return JSON.stringify(preOptions) !== JSON.stringify(options)
}

module.exports = function (options = {}) {
if (isOptEq(preOptions, options) && promise !== null) {
promise = null
preOptions = options
const child = document.getElementById(GOOGLE_SCRIPT_ID)
if (child) {
child.parentNode.removeChild(child)
delete window.google.maps
}
}
promise =
promise ||
new Promise(function (resolve, reject) {
Expand Down Expand Up @@ -36,6 +51,7 @@ module.exports = function (options = {}) {
params.push(`libraries=${options.libraries.join(',')}`)
}
scriptElement.src = `${options.apiUrl || API_URL}?${params.join('&')}`
scriptElement.id = GOOGLE_SCRIPT_ID

// Insert the `script` tag
document.body.appendChild(scriptElement)
Expand Down