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84 lines
2.4 KiB
Markdown
84 lines
2.4 KiB
Markdown
Overview
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========
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[](https://ci.testling.com/lydell/resolve-url)
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Like Node.js’ [`path.resolve`]/[`url.resolve`] for the browser.
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```js
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var resolveUrl = require("resolve-url")
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window.location
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// https://example.com/articles/resolving-urls/edit
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resolveUrl("remove")
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// https://example.com/articles/resolving-urls/remove
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resolveUrl("/static/scripts/app.js")
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// https://example.com/static/scripts/app.js
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// Imagine /static/scripts/app.js contains `//# sourceMappingURL=../source-maps/app.js.map`
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resolveUrl("/static/scripts/app.js", "../source-maps/app.js.map")
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// https://example.com/static/source-maps/app.js.map
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resolveUrl("/static/scripts/app.js", "../source-maps/app.js.map", "../coffee/app.coffee")
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// https://example.com/static/coffee/app.coffee
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resolveUrl("//cdn.example.com/jquery.js")
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// https://cdn.example.com/jquery.js
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resolveUrl("http://foo.org/")
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// http://foo.org/
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```
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Installation
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============
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- `npm install resolve-url`
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- `bower install resolve-url`
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- `component install lydell/resolve-url`
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Works with CommonJS, AMD and browser globals, through UMD.
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Usage
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=====
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### `resolveUrl(...urls)` ###
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Pass one or more urls. Resolves the last one to an absolute url, using the
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previous ones and `window.location`.
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It’s like starting out on `window.location`, and then clicking links with the
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urls as `href` attributes in order, from left to right.
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Unlike Node.js’ [`path.resolve`], this function always goes through all of the
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arguments, from left to right. `path.resolve` goes from right to left and only
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in the worst case goes through them all. Should that matter.
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Actually, the function is _really_ like clicking a lot of links in series: An
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actual `<a>` gets its `href` attribute set for each url! This means that the
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url resolution of the browser is used, which makes this module really
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light-weight.
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Also note that this functions deals with urls, not paths, so in that respect it
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has more in common with Node.js’ [`url.resolve`]. But the arguments are more
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like [`path.resolve`].
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[`path.resolve`]: http://nodejs.org/api/path.html#path_path_resolve_from_to
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[`url.resolve`]: http://nodejs.org/api/url.html#url_url_resolve_from_to
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Tests
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=====
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Run `npm test`, which lints the code and then gives you a link to open in a
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browser of choice (using `testling`).
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License
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=======
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[The X11 (“MIT”) License](LICENSE).
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