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Allow to have middleware for the path same with a HTML page

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HTTP allows to change the type of the content to serve by Accept field in
the request. The middleware for the path same with a HTML page will
be inserted before the HTML renderer, and can take advantage of this
feature, using expressjs's "accepts" method, for example.
This commit is contained in:
Akihiko Odaki
2018-04-15 23:11:08 +09:00
parent 2758382c68
commit 917dd60cc3
5 changed files with 344 additions and 252 deletions
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112
src/core/create_routes.ts
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@@ -5,9 +5,8 @@ import { Route } from '../interfaces';
export default function create_routes({ files } = { files: glob.sync('**/*.*', { cwd: locations.routes(), nodir: true }) }) {
const routes: Route[] = files
.filter((file: string) => !/(^|\/|\\)_/.test(file))
.map((file: string) => {
if (/(^|\/|\\)_/.test(file)) return;
if (/]\[/.test(file)) {
throw new Error(`Invalid route ${file} — parameters must be separated`);
}
@@ -16,6 +15,59 @@ export default function create_routes({ files } = { files: glob.sync('**/*.*', {
const parts = base.split('/'); // glob output is always posix-style
if (parts[parts.length - 1] === 'index') parts.pop();
return {
files: [file],
base,
parts
};
})
.filter((a, index, array) => {
const found = array.slice(index + 1).find(b => a.base === b.base);
if (found) found.files.push(...a.files);
return !found;
})
.sort((a, b) => {
const max = Math.max(a.parts.length, b.parts.length);
if (max === 1) {
if (a.parts[0] === '4xx' || a.parts[0] === '5xx') return -1;
if (b.parts[0] === '4xx' || b.parts[0] === '5xx') return 1;
}
for (let i = 0; i < max; i += 1) {
const a_part = a.parts[i];
const b_part = b.parts[i];
if (!a_part) return -1;
if (!b_part) return 1;
const a_sub_parts = get_sub_parts(a_part);
const b_sub_parts = get_sub_parts(b_part);
const max = Math.max(a_sub_parts.length, b_sub_parts.length);
for (let i = 0; i < max; i += 1) {
const a_sub_part = a_sub_parts[i];
const b_sub_part = b_sub_parts[i];
if (!a_sub_part) return 1; // b is more specific, so goes first
if (!b_sub_part) return -1;
if (a_sub_part.dynamic !== b_sub_part.dynamic) {
return a_sub_part.dynamic ? 1 : -1;
}
if (!a_sub_part.dynamic && a_sub_part.content !== b_sub_part.content) {
return (
(b_sub_part.content.length - a_sub_part.content.length) ||
(a_sub_part.content < b_sub_part.content ? -1 : 1)
);
}
}
}
throw new Error(`The ${a.base} and ${b.base} routes clash`);
})
.map(({ files, base, parts }) => {
const id = (
parts.join('_').replace(/[[\]]/g, '$').replace(/^\d/, '_$&').replace(/[^a-zA-Z0-9_$]/g, '_')
) || '_';
@@ -63,54 +115,26 @@ export default function create_routes({ files } = { files: glob.sync('**/*.*', {
return {
id,
type: path.extname(file) === '.html' ? 'page' : 'route',
file,
handlers: files.map(file => ({
type: path.extname(file) === '.html' ? 'page' : 'route',
file
})).sort((a, b) => {
if (a.type === 'page' && b.type === 'route') {
return 1;
}
if (a.type === 'route' && b.type === 'page') {
return -1;
}
return 0;
}),
pattern,
test,
exec,
parts,
params
};
})
.filter(Boolean)
.sort((a: Route, b: Route) => {
if (a.file === '4xx.html' || a.file === '5xx.html') return -1;
if (b.file === '4xx.html' || b.file === '5xx.html') return 1;
const max = Math.max(a.parts.length, b.parts.length);
for (let i = 0; i < max; i += 1) {
const a_part = a.parts[i];
const b_part = b.parts[i];
if (!a_part) return -1;
if (!b_part) return 1;
const a_sub_parts = get_sub_parts(a_part);
const b_sub_parts = get_sub_parts(b_part);
const max = Math.max(a_sub_parts.length, b_sub_parts.length);
for (let i = 0; i < max; i += 1) {
const a_sub_part = a_sub_parts[i];
const b_sub_part = b_sub_parts[i];
if (!a_sub_part) return 1; // b is more specific, so goes first
if (!b_sub_part) return -1;
if (a_sub_part.dynamic !== b_sub_part.dynamic) {
return a_sub_part.dynamic ? 1 : -1;
}
if (!a_sub_part.dynamic && a_sub_part.content !== b_sub_part.content) {
return (
(b_sub_part.content.length - a_sub_part.content.length) ||
(a_sub_part.content < b_sub_part.content ? -1 : 1)
);
}
}
}
throw new Error(`The ${a.file} and ${b.file} routes clash`);
});
return routes;