This commit is contained in:
Rich Harris
2018-07-15 23:12:14 -04:00
parent c90d8ee3cd
commit 624f17364c
3 changed files with 0 additions and 553 deletions

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@@ -1,7 +1,6 @@
import * as fs from 'fs'; import * as fs from 'fs';
import * as path from 'path'; import * as path from 'path';
import { locations } from '../config'; import { locations } from '../config';
import { Route } from '../interfaces';
type Component = { type Component = {
name: string; name: string;

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@@ -1,186 +0,0 @@
import * as path from 'path';
import glob from 'glob';
import { locations } from '../config';
import { Route } from '../interfaces';
export default function create_routes({
files
} = {
files: glob.sync('**/*.*', {
cwd: locations.routes(),
dot: true,
nodir: true
})
}) {
const all_routes = files
.filter((file: string) => !/(^|\/|\\)(_(?!error\.html)|\.(?!well-known))/.test(file))
.map((file: string) => {
if (/]\[/.test(file)) {
throw new Error(`Invalid route ${file} — parameters must be separated`);
}
if (file === '4xx.html' || file === '5xx.html') {
throw new Error('As of Sapper 0.14, 4xx.html and 5xx.html should be replaced with _error.html');
}
const base = file.replace(/\.[^/.]+$/, '');
const parts = base.split('/'); // glob output is always posix-style
if (/^index(\..+)?/.test(parts[parts.length - 1])) {
const part = parts.pop();
if (parts.length > 0) parts[parts.length - 1] += part.slice(5);
}
const id = (
parts.join('_').replace(/[[\]]/g, '$').replace(/^\d/, '_$&').replace(/[^a-zA-Z0-9_$]/g, '_')
) || '_';
const type = file.endsWith('.html') ? 'page' : 'route';
const params: string[] = [];
const match_patterns: Record<string, string> = {};
const param_pattern = /\[([^\(\]]+)(?:\((.+?)\))?\]/g;
let match;
while (match = param_pattern.exec(base)) {
params.push(match[1]);
if (typeof match[2] !== 'undefined') {
if (/[\(\)\?\:]/.exec(match[2])) {
throw new Error('Sapper does not allow (, ), ? or : in RegExp routes yet');
}
// Make a map of the regexp patterns
match_patterns[match[1]] = `(${match[2]}?)`;
}
}
// TODO can we do all this with sub-parts? or does
// nesting make that impossible?
let pattern_string = '';
let i = parts.length;
let nested = true;
while (i--) {
const part = encodeURI(parts[i].normalize()).replace(/\?/g, '%3F').replace(/#/g, '%23').replace(/%5B/g, '[').replace(/%5D/g, ']');
const dynamic = ~part.indexOf('[');
if (dynamic) {
// Get keys from part and replace with stored match patterns
const keys = part.replace(/\(.*?\)/, '').split(/[\[\]]/).filter((x, i) => { if (i % 2) return x });
let matcher = part;
keys.forEach(k => {
const key_pattern = new RegExp('\\[' + k + '(?:\\((.+?)\\))?\\]');
matcher = matcher.replace(key_pattern, match_patterns[k] || `([^/]+?)`);
})
pattern_string = (nested && type === 'page') ? `(?:\\/${matcher}${pattern_string})?` : `\\/${matcher}${pattern_string}`;
} else {
nested = false;
pattern_string = `\\/${part}${pattern_string}`;
}
}
const pattern = new RegExp(`^${pattern_string}\\/?$`);
const test = (url: string) => pattern.test(url);
const exec = (url: string) => {
const match = pattern.exec(url);
if (!match) return;
const result: Record<string, string> = {};
params.forEach((param, i) => {
result[param] = match[i + 1];
});
return result;
};
return {
id,
base,
type,
file,
pattern,
test,
exec,
parts,
params
};
});
const pages = all_routes
.filter(r => r.type === 'page')
.sort(comparator);
const server_routes = all_routes
.filter(r => r.type === 'route')
.sort(comparator);
return { pages, server_routes };
}
function comparator(a, b) {
if (a.parts[0] === '_error') return -1;
if (b.parts[0] === '_error') 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)
);
}
// If both parts dynamic, check for regexp patterns
if (a_sub_part.dynamic && b_sub_part.dynamic) {
const regexp_pattern = /\((.*?)\)/;
const a_match = regexp_pattern.exec(a_sub_part.content);
const b_match = regexp_pattern.exec(b_sub_part.content);
if (!a_match && b_match) {
return 1; // No regexp, so less specific than b
}
if (!b_match && a_match) {
return -1;
}
if (a_match && b_match && a_match[1] !== b_match[1]) {
return b_match[1].length - a_match[1].length;
}
}
}
}
throw new Error(`The ${a.base} and ${b.base} routes clash`);
}
function get_sub_parts(part: string) {
return part.split(/\[(.+)\]/)
.map((content, i) => {
if (!content) return null;
return {
content,
dynamic: i % 2 === 1
};
})
.filter(Boolean);
}

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@@ -1,366 +0,0 @@
const assert = require('assert');
const { create_routes } = require('../../dist/core.ts.js');
describe('create_routes', () => {
it('encodes characters not allowed in path', () => {
const { server_routes } = create_routes({
files: [
'"',
'#',
'?'
]
});
assert.deepEqual(
server_routes.map(r => r.pattern),
[
/^\/%22\/?$/,
/^\/%23\/?$/,
/^\/%3F\/?$/
]
);
});
it('sorts routes correctly', () => {
const { pages, server_routes } = create_routes({
files: [
'index.html',
'about.html',
'post/f[xx].html',
'[wildcard].html',
'post/foo.html',
'post/[id].html',
'post/bar.html',
'post/[id].json.js',
'post/[id([0-9-a-z]{3,})].html',
]
});
assert.deepEqual(
pages.map(r => r.file),
[
'index.html',
'about.html',
'post/bar.html',
'post/foo.html',
'post/f[xx].html',
'post/[id([0-9-a-z]{3,})].html', // RegExp is more specific
'post/[id].html',
'[wildcard].html'
]
);
assert.deepEqual(
server_routes.map(r => r.file),
[
'post/[id].json.js'
]
);
});
it('distinguishes and sorts regexp routes correctly', () => {
const { pages } = create_routes({
files: [
'[slug].html',
'[slug([a-z]{2})].html',
'[slug([0-9-a-z]{3,})].html',
]
});
assert.deepEqual(
pages.map(r => r.file),
[
'[slug([0-9-a-z]{3,})].html',
'[slug([a-z]{2})].html',
'[slug].html',
]
);
});
it('prefers index page to nested route', () => {
let { pages, server_routes } = create_routes({
files: [
'api/examples/[slug].js',
'api/examples/index.js',
'blog/[slug].html',
'api/gists/[id].js',
'api/gists/index.js',
'_error.html',
'blog/index.html',
'blog/rss.xml.js',
'guide/index.html',
'index.html'
]
});
assert.deepEqual(
pages.map(r => r.file),
[
'_error.html',
'index.html',
'guide/index.html',
'blog/index.html',
'blog/[slug].html'
]
);
assert.deepEqual(
server_routes.map(r => r.file),
[
'blog/rss.xml.js',
'api/examples/index.js',
'api/examples/[slug].js',
'api/gists/index.js',
'api/gists/[id].js',
]
);
({ pages, server_routes } = create_routes({
files: [
'_error.html',
'api/blog/[slug].js',
'api/blog/index.js',
'api/guide/contents.js',
'api/guide/index.js',
'blog/[slug].html',
'blog/index.html',
'blog/rss.xml.js',
'gist/[id].js',
'gist/create.js',
'guide/index.html',
'index.html',
'repl/index.html'
]
}));
assert.deepEqual(
pages.map(r => r.file),
[
'_error.html',
'index.html',
'guide/index.html',
'blog/index.html',
'blog/[slug].html',
'repl/index.html'
]
);
assert.deepEqual(
server_routes.map(r => r.file),
[
'blog/rss.xml.js',
'gist/create.js',
'gist/[id].js',
'api/guide/index.js',
'api/guide/contents.js',
'api/blog/index.js',
'api/blog/[slug].js',
]
);
// RegExp routes
({ pages } = create_routes({
files: [
'blog/[slug].html',
'blog/index.html',
'blog/[slug([^0-9]+)].html',
]
}));
assert.deepEqual(
pages.map(r => r.file),
[
'blog/index.html',
'blog/[slug([^0-9]+)].html',
'blog/[slug].html',
]
);
});
it('generates params', () => {
const { pages } = create_routes({
files: ['index.html', 'about.html', '[wildcard].html', 'post/[id].html']
});
let file;
let params;
for (let i = 0; i < pages.length; i += 1) {
const route = pages[i];
if (params = route.exec('/post/123')) {
file = route.file;
break;
}
}
assert.equal(file, 'post/[id].html');
assert.deepEqual(params, {
id: '123'
});
});
it('ignores files and directories with leading underscores', () => {
const { pages } = create_routes({
files: ['index.html', '_foo.html', 'a/_b/c/d.html', 'e/f/g/h.html', 'i/_j.html']
});
assert.deepEqual(
pages.map(r => r.file),
[
'index.html',
'e/f/g/h.html'
]
);
});
it('ignores files and directories with leading dots except .well-known', () => {
const { server_routes } = create_routes({
files: ['.well-known/dnt-policy.txt.js', '.unknown/foo.txt.js']
});
assert.deepEqual(
server_routes.map(r => r.file),
['.well-known/dnt-policy.txt.js']
);
});
it('matches /foo/:bar before /:baz/qux', () => {
const a = create_routes({
files: ['foo/[bar].html', '[baz]/qux.html']
});
const b = create_routes({
files: ['[baz]/qux.html', 'foo/[bar].html']
});
assert.deepEqual(
a.pages.map(r => r.file),
['foo/[bar].html', '[baz]/qux.html']
);
assert.deepEqual(
b.pages.map(r => r.file),
['foo/[bar].html', '[baz]/qux.html']
);
});
it('fails if routes are indistinguishable', () => {
assert.throws(() => {
create_routes({
files: ['[foo].html', '[bar]/index.html']
});
}, /The \[foo\] and \[bar\]\/index routes clash/);
assert.throws(() => {
create_routes({
files: ['[foo([0-9-a-z]+)].html', '[bar([0-9-a-z]+)]/index.html']
});
}, /The \[foo\(\[0-9-a-z\]\+\)\] and \[bar\(\[0-9-a-z\]\+\)\]\/index routes clash/);
});
it('matches nested routes', () => {
const page = create_routes({
files: ['settings/[submenu].html']
}).pages[0];
assert.deepEqual(page.exec('/settings/foo'), {
submenu: 'foo'
});
assert.deepEqual(page.exec('/settings'), {
submenu: null
});
});
it('prefers index routes to nested routes', () => {
const { pages } = create_routes({
files: ['settings/[submenu].html', 'settings.html']
});
assert.deepEqual(
pages.map(r => r.file),
['settings.html', 'settings/[submenu].html']
);
});
it('matches deeply nested routes', () => {
const page = create_routes({
files: ['settings/[a]/[b]/index.html']
}).pages[0];
assert.deepEqual(page.exec('/settings/foo/bar'), {
a: 'foo',
b: 'bar'
});
assert.deepEqual(page.exec('/settings/foo'), {
a: 'foo',
b: null
});
assert.deepEqual(page.exec('/settings'), {
a: null,
b: null
});
});
it('matches a dynamic part within a part', () => {
const route = create_routes({
files: ['things/[slug].json.js']
}).server_routes[0];
assert.deepEqual(route.exec('/things/foo.json'), {
slug: 'foo'
});
});
it('matches multiple dynamic parts within a part', () => {
const route = create_routes({
files: ['things/[id]_[slug].json.js']
}).server_routes[0];
assert.deepEqual(route.exec('/things/someid_someslug.json'), {
id: 'someid',
slug: 'someslug'
});
});
it('fails if dynamic params are not separated', () => {
assert.throws(() => {
create_routes({
files: ['[foo][bar].js']
});
}, /Invalid route \[foo\]\[bar\]\.js — parameters must be separated/);
});
it('errors when trying to use reserved characters in route regexp', () => {
assert.throws(() => {
create_routes({
files: ['[lang([a-z]{2}(?:-[a-z]{2,4})?)]']
});
}, /Sapper does not allow \(, \), \? or \: in RegExp routes yet/);
});
it('errors on 4xx.html', () => {
assert.throws(() => {
create_routes({
files: ['4xx.html']
});
}, /As of Sapper 0.14, 4xx.html and 5xx.html should be replaced with _error.html/);
});
it('errors on 5xx.html', () => {
assert.throws(() => {
create_routes({
files: ['5xx.html']
});
}, /As of Sapper 0.14, 4xx.html and 5xx.html should be replaced with _error.html/);
});
it('treats foo/index.json.js the same as foo.json.js', () => {
const route = create_routes({
files: ['foo/index.json.js']
}).server_routes[0];
assert.ok(route.test('/foo.json'));
});
});