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domdiff.js
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955 lines (831 loc) · 15.8 KB
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var domdiff = hyperHTML.diff;
var assert = tressa.assert;
var clean = function () {
for (var cn = document.body.childNodes, i = cn.length; i--;) {
document.body.removeChild(cn[i]);
}
};
var compare = function (state, value) {
assert(
state.length === value.length &&
value.split('').every(function (v, i) {
return state[i] === nodes[v];
}),
value || '[empy]'
);
};
var notNull = function (any) { return any != null; };
tressa.title('domdiff');
assert(typeof domdiff === 'function', 'is a function');
var nodes = {
'a': document.createTextNode('a'),
'b': document.createTextNode('b'),
'c': document.createTextNode('c'),
'd': document.createTextNode('d'),
'e': document.createTextNode('e'),
'f': document.createTextNode('f'),
'g': document.createTextNode('g'),
'h': document.createTextNode('h'),
'i': document.createTextNode('i'),
'j': document.createTextNode('j'),
'k': document.createTextNode('k')
};
clean();
var newState = domdiff(
document.body,
[],
[nodes.d, nodes.f, nodes.g]
);
compare(newState, 'dfg');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c].concat(newState)
);
compare(newState, 'abcdfg');
newState = domdiff(
document.body,
newState,
[
nodes.a, nodes.b, nodes.c,
nodes.d, nodes.e, nodes.f,
nodes.g
]
);
compare(newState, 'abcdefg');
newState = domdiff(
document.body,
newState,
newState.slice().reverse()
);
compare(newState, 'gfedcba');
newState = domdiff(
document.body,
newState,
[
nodes.f, nodes.d, nodes.b,
nodes.a, nodes.e, nodes.g
]
);
compare(newState, 'fdbaeg');
newState = domdiff(
document.body,
newState,
[
nodes.a, nodes.b, nodes.c,
nodes.d, nodes.e, nodes.f
]
);
compare(newState, 'abcdef');
newState = domdiff(
document.body,
newState,
[
nodes.a, nodes.b, nodes.c,
nodes.d, nodes.e, nodes.f,
nodes.h, nodes.i, nodes.j
]
);
compare(newState, 'abcdefhij');
newState = domdiff(
document.body,
newState,
[
nodes.a, nodes.b, nodes.c,
nodes.d, nodes.e, nodes.f,
nodes.g, nodes.h, nodes.i,
nodes.j, nodes.k
],
Object
);
compare(newState, 'abcdefghijk');
newState = domdiff(
document.body,
newState,
[
nodes.g, nodes.h, nodes.i
],
Object
);
compare(newState, 'ghi');
document.body.insertBefore(nodes.f, nodes.g);
if ('onclick' in document.body) {
console.log('browser only');
compare([].slice.call(document.body.childNodes), 'fghi');
}
clean();
document.body.insertBefore(nodes.k, null);
newState = domdiff(
document.body,
[],
[
nodes.c, nodes.d, nodes.e
],
null,
nodes.k
);
compare(newState, 'cde');
newState = domdiff(
document.body,
newState,
[
null, nodes.c, nodes.d, nodes.e, null
],
null,
nodes.k
);
compare(newState.filter(notNull), 'cde');
newState = domdiff(
document.body,
newState,
[
nodes.a, nodes.c, null, nodes.e, nodes.f
],
null,
nodes.k
);
compare(newState.filter(notNull), 'acef');
newState = domdiff(
document.body,
newState,
[
nodes.c, nodes.d, nodes.e,
nodes.g, nodes.h, nodes.i
],
null,
nodes.k
);
compare(newState, 'cdeghi');
newState = domdiff(
document.body,
newState,
[
nodes.a, nodes.b, nodes.c,
nodes.d, nodes.e, nodes.f,
nodes.g, nodes.h, nodes.i
],
null,
nodes.k
);
compare(newState, 'abcdefghi');
newState = domdiff(
document.body,
newState,
[
nodes.b, nodes.a, nodes.c,
nodes.d, nodes.e, nodes.f,
nodes.g, nodes.i, nodes.h
],
null,
nodes.k
);
compare(newState, 'bacdefgih');
newState = domdiff(
document.body,
newState,
[],
null,
nodes.k
);
compare(newState, '');
// https://github.com/snabbdom/snabbdom/blob/master/test/core.js
tressa.log('## snabbdom - updating children');
newState = domdiff(
document.body,
newState,
[nodes.a],
null,
nodes.k
);
compare(newState, 'a');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c],
null,
nodes.k
);
compare(newState, 'abc');
newState = domdiff(
document.body,
newState,
[nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'de');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'abde');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.b, nodes.c, nodes.d],
null,
nodes.k
);
compare(newState, 'bcd');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[],
null,
nodes.k
);
compare(newState, '');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c],
null,
nodes.k
);
compare(newState, 'abc');
newState = domdiff(
document.body,
newState,
[nodes.a, document.createTextNode('b'), nodes.c],
null,
nodes.k
);
assert(
newState[1] !== nodes.b &&
newState.length === 3 &&
newState[0] === nodes.a &&
newState[2] === nodes.c,
'replace one child'
);
tressa.log('## snabbdom - removal of elements');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.c, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'cde');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c],
null,
nodes.k
);
compare(newState, 'abc');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'abde');
tressa.log('## snabbdom - element reordering');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d],
null,
nodes.k
);
compare(newState, 'abcd');
newState = domdiff(
document.body,
newState,
[nodes.b, nodes.c, nodes.a, nodes.d],
null,
nodes.k
);
compare(newState, 'bcad');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c],
null,
nodes.k
);
compare(newState, 'abc');
newState = domdiff(
document.body,
newState,
[nodes.b, nodes.c, nodes.a, nodes.d],
null,
nodes.k
);
compare(newState, 'bcad');
newState = domdiff(
document.body,
newState,
[nodes.c, nodes.b, nodes.d],
null,
nodes.k
);
compare(newState, 'cbd');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c],
null,
nodes.k
);
compare(newState, 'abc');
newState = domdiff(
document.body,
newState,
[nodes.b, nodes.c, nodes.a],
null,
nodes.k
);
compare(newState, 'bca');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d],
null,
nodes.k
);
compare(newState, 'abcd');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.d, nodes.b, nodes.c],
null,
nodes.k
);
compare(newState, 'adbc');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.d, nodes.b, nodes.c],
null,
nodes.k
);
compare(newState, 'adbc');
tressa.log('## snabbdom - combination');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.d, nodes.a, nodes.b, nodes.c, nodes.f],
null,
nodes.k
);
compare(newState, 'dabcf');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'ade');
newState = domdiff(
document.body,
newState,
[nodes.d, nodes.f],
null,
nodes.k
);
compare(newState, 'df');
newState = domdiff(
document.body,
newState,
[nodes.b, nodes.d, nodes.e],
null,
nodes.k
);
compare(newState, 'bde');
newState = domdiff(
document.body,
newState,
[nodes.d, nodes.e, nodes.c],
null,
nodes.k
);
compare(newState, 'dec');
newState = domdiff(
document.body,
newState,
[nodes.j, nodes.a, nodes.b, nodes.c],
null,
nodes.k
);
compare(newState, 'jabc');
newState = domdiff(
document.body,
newState,
[nodes.d, nodes.a, nodes.b, nodes.c, nodes.j, nodes.e],
null,
nodes.k
);
compare(newState, 'dabcje');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f, nodes.g, nodes.h],
null,
nodes.k
);
compare(newState, 'abcdefgh');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f, nodes.g, nodes.h].reverse(),
null,
nodes.k
);
compare(newState, 'hgfedcba');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f],
null,
nodes.k
);
compare(newState, 'abcdef');
newState = domdiff(
document.body,
newState,
[nodes.e, nodes.d, nodes.c, nodes.b, nodes.f, nodes.a],
null,
nodes.k
);
compare(newState, 'edcbfa');
tressa.log('## snabbdom - random values');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f],
null,
nodes.k
);
compare(newState, 'abcdef');
newState = domdiff(
document.body,
newState,
[null, nodes.c, undefined, null, nodes.b, nodes.a, null, nodes.f, nodes.e, null, nodes.d, undefined],
null,
nodes.k
);
compare(newState.filter(notNull), 'cbafed');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f],
null,
nodes.k
);
compare(newState, 'abcdef');
newState = domdiff(
document.body,
newState,
[null, null, undefined, null, null, undefined],
null,
nodes.k
);
compare(newState.filter(notNull), '');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f].reverse(),
null,
nodes.k
);
compare(newState, 'fedcba');
clean();
tressa.log('## snabbdom - updating children (unpinned)');
newState = domdiff(
document.body,
[],
[nodes.a]
);
compare(newState, 'a');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c]
);
compare(newState, 'abc');
newState = domdiff(
document.body,
newState,
[nodes.d, nodes.e]
);
compare(newState, 'de');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e]
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.d, nodes.e]
);
compare(newState, 'abde');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e]
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.b, nodes.c, nodes.d]
);
compare(newState, 'bcd');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e]
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[]
);
compare(newState, '');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c]
);
compare(newState, 'abc');
newState = domdiff(
document.body,
newState,
[nodes.a, document.createTextNode('b'), nodes.c]
);
assert(
newState[1] !== nodes.b &&
newState.length === 3 &&
newState[0] === nodes.a &&
newState[2] === nodes.c,
'replace one child'
);
tressa.log('## snabbdom - removal of elements (unpinned)');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e]
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.c, nodes.d, nodes.e]
);
compare(newState, 'cde');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e]
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c]
);
compare(newState, 'abc');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e]
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.d, nodes.e]
);
compare(newState, 'abde');
tressa.log('## snabbdom - element reordering (unpinned)');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d]
);
compare(newState, 'abcd');
newState = domdiff(
document.body,
newState,
[nodes.b, nodes.c, nodes.a, nodes.d]
);
compare(newState, 'bcad');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c]
);
compare(newState, 'abc');
newState = domdiff(
document.body,
newState,
[nodes.b, nodes.c, nodes.a]
);
compare(newState, 'bca');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d]
);
compare(newState, 'abcd');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.d, nodes.b, nodes.c]
);
compare(newState, 'adbc');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.d, nodes.b, nodes.c]
);
compare(newState, 'adbc');
tressa.log('## snabbdom - combination (unpinned)');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e]
);
compare(newState, 'abcde');
newState = domdiff(
document.body,
newState,
[nodes.d, nodes.a, nodes.b, nodes.c, nodes.f]
);
compare(newState, 'dabcf');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.d, nodes.e]
);
compare(newState, 'ade');
newState = domdiff(
document.body,
newState,
[nodes.d, nodes.f]
);
compare(newState, 'df');
newState = domdiff(
document.body,
newState,
[nodes.b, nodes.d, nodes.e]
);
compare(newState, 'bde');
newState = domdiff(
document.body,
newState,
[nodes.d, nodes.e, nodes.c]
);
compare(newState, 'dec');
newState = domdiff(
document.body,
newState,
[nodes.j, nodes.a, nodes.b, nodes.c]
);
compare(newState, 'jabc');
newState = domdiff(
document.body,
newState,
[nodes.d, nodes.a, nodes.b, nodes.c, nodes.j, nodes.e]
);
compare(newState, 'dabcje');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f, nodes.g, nodes.h]
);
compare(newState, 'abcdefgh');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f, nodes.g, nodes.h].reverse()
);
compare(newState, 'hgfedcba');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f]
);
compare(newState, 'abcdef');
newState = domdiff(
document.body,
newState,
[nodes.e, nodes.d, nodes.c, nodes.b, nodes.f, nodes.a]
);
compare(newState, 'edcbfa');
tressa.log('## snabbdom - random values (unpinned)');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f]
);
compare(newState, 'abcdef');
newState = domdiff(
document.body,
newState,
[null, nodes.c, undefined, null, nodes.b, nodes.a, null, nodes.f, nodes.e, null, nodes.d, undefined]
);
compare(newState.filter(notNull), 'cbafed');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f]
);
compare(newState, 'abcdef');
newState = domdiff(
document.body,
newState,
[null, null, undefined, null, null, undefined]
);
compare(newState.filter(notNull), '');
newState = domdiff(
document.body,
newState,
[nodes.a, nodes.b, nodes.c, nodes.d, nodes.e, nodes.f].reverse()
);
compare(newState, 'fedcba');
newState = domdiff(
document.body,
newState,
[nodes.a]
);
compare(newState, 'a');
newState = domdiff(
document.body,
newState,
[nodes.b, nodes.c, nodes.d]
);
compare(newState, 'bcd');
newState = domdiff(
document.body,
newState,
[nodes.a]
);
compare(newState, 'a');
tressa.end();